Context Navigation

source: trunk/src/kernel32/HandleManager.cpp@ 6725

Visit:

Last change on this file since 6725 was 6584, checked in by sandervl, 24 years ago
Set last error to ERROR_ALREADY_EXISTS when CreateMutex, CreateEvent or CreateSemaphore is called with existing semaphore name.
File size: 188.8 KB

Line
1	/* $Id: HandleManager.cpp,v 1.70 2001-08-25 10:38:50 sandervl Exp $ */
2
3	/*
4	* Win32 Unified Handle Manager for OS/2
5	*
6	* 1998/02/11 PH Patrick Haller (haller@zebra.fh-weingarten.de)
7	*
8	* @(#) HandleManager.Cpp 1.0.0 1998/02/11 PH start
9	*
10	* Project Odin Software License can be found in LICENSE.TXT
11	*
12	*/
13
14	//#undef DEBUG_LOCAL
15	//#define DEBUG_LOCAL
16
17
18	/*****************************************************************************
19	* Remark *
20	*****************************************************************************
21
22	1998/02/11 PH Even overlapped I/O could be simulated by another subsystem
23	thread with a request queue. We'll see if required ...
24
25
26	Flush (flush handle buffer)
27	WaitForSingleObject
28	WaitForMultipleObjects (?)
29
30	1998/02/12 PH IBM and Microsoft disagree about the definition of FILE_TYPE_xxx
31	Interesting, Open32 returns Microsoft's values ...
32
33	1998/02/12 PH Handles should be equipped with a locking mechanism, in particular
34	as we publish a pointer into the handle table via HMHandleQueryHandleData
35
36	*/
37
38
39	/*****************************************************************************
40	* Includes *
41	*****************************************************************************/
42
43	#include <os2win.h>
44	#include <stdlib.h>
45	#include <string.h>
46
47	#include "unicode.h"
48	#include "misc.h"
49
50	#include "HandleManager.H"
51	#include "HMDevice.h"
52	#include "HMDisk.h"
53	#include "HMOpen32.h"
54	#include "HMEvent.h"
55	#include "HMFile.h"
56	#include "HMMutex.h"
57	#include "HMSemaphore.h"
58	#include "HMMMap.h"
59	#include "HMComm.h"
60	#include "HMToken.h"
61	#include "HMThread.h"
62	#include "HMNPipe.h"
63	#include "HMStd.h"
64	#include "HMMailslot.h"
65
66	#include <vmutex.h>
67	#include <win\thread.h>
68
69	#define DBG_LOCALLOG DBG_handlemanager
70	#include "dbglocal.h"
71
72	/*****************************************************************************
73	* Defines *
74	*****************************************************************************/
75
76	/* this is the size of our currently static handle table */
77	#define MAX_OS2_HMHANDLES 4096
78
79
80	/*****************************************************************************
81	* Structures *
82	*****************************************************************************/
83
84	typedef struct _HMDEVICE;
85
86	typedef struct _HMHANDLE
87	{
88	HMDeviceHandler pDeviceHandler; / handler for this pseudo-device */
89	HMHANDLEDATA hmHandleData; /* attributes of the handle */
90	} HMHANDLE, *PHMHANDLE;
91
92
93	typedef struct _HMDEVICE
94	{
95	struct _HMDEVICE pNext; / pointer to next device in chain */
96
97	LPSTR pszDeviceName; /* name or alias of the pseudo-device */
98	HMDeviceHandler pDeviceHandler; / handler for this pseudo-device */
99	VOID pDevData; / Pointer To Device data */
100	} HMDEVICE, *PHMDEVICE;
101
102
103	/*****************************************************************************
104	* This pseudo-device logs all device requests to the logfile and returns *
105	* ERROR_INVALID_FUNCTION to virtually all requests -> debugging *
106	*****************************************************************************/
107	class HMDeviceDebugClass : public HMDeviceHandler
108	{
109	public:
110	HMDeviceDebugClass(LPCSTR lpDeviceName) : HMDeviceHandler(lpDeviceName) {}
111	};
112
113
114	/*****************************************************************************
115	* Process Global Structures *
116	*****************************************************************************/
117
118
119	/* the device name is repeated here to enable device alias names */
120	static PHMDEVICE TabWin32Devices = NULL;
121
122	static HMHANDLE TabWin32Handles[MAX_OS2_HMHANDLES]; /* static handle table */
123	VMutex handleMutex;
124
125	struct _HMGlobals
126	{
127	HANDLE hStandardIn; /* stdin handle to CONIN$ */
128	HANDLE hStandardOut; /* stdout handle to CONOUT$ */
129	HANDLE hStandardError; /* stderr handle to CONOUT$ */
130
131	BOOL fIsInitialized; /* if HM is initialized already ? */
132	/* this MUST !!! be false initially */
133
134	HMDeviceHandler pHMStandard; / default handle manager instance */
135	HMDeviceHandler pHMOpen32; / default handle manager instance */
136	HMDeviceHandler pHMEvent; / static instances of subsystems */
137	HMDeviceHandler *pHMFile;
138	HMDeviceHandler *pHMDisk;
139	HMDeviceHandler *pHMMutex;
140	HMDeviceHandler *pHMSemaphore;
141	HMDeviceHandler pHMFileMapping; / static instances of subsystems */
142	HMDeviceHandler pHMComm; / serial communication */
143	HMDeviceHandler pHMToken; / security tokens */
144	HMDeviceHandler *pHMThread;
145	HMDeviceHandler *pHMNamedPipe;
146	HMDeviceHandler *pHMMailslot;
147
148	ULONG ulHandleLast; /* index of last used handle */
149	} HMGlobals;
150
151
152	/*****************************************************************************
153	* Local Prototypes *
154	*****************************************************************************/
155
156	/* get appropriate device handler by the device name */
157	static HMDeviceHandler* _Optlink _HMDeviceFind(LPSTR pszDeviceName);
158
159	/* get next free handle from the handle table */
160	static ULONG _Optlink _HMHandleGetFree(void);
161
162	/* get handle table entry from handle */
163	static ULONG _Optlink _HMHandleQuery(HANDLE hHandle);
164
165	// Get GlobalDeviceData
166	static VOID *_HMDeviceGetData (LPSTR pszDeviceName);
167
168
169	/*****************************************************************************
170	* Name : static HMDeviceHandler * _HMDeviceFind
171	* Purpose : obtain appropriate device handler from the table by searching
172	* for a device name or alias
173	* Parameters: PSZ pszDeviceName
174	* Variables :
175	* Result : HMDeviceHandler * - pointer to the handler object
176	* Remark :
177	* Status :
178	*
179	* Author : Patrick Haller [Wed, 1998/02/11 20:42]
180	*****************************************************************************/
181
182	static HMDeviceHandler *_HMDeviceFind (LPSTR pszDeviceName)
183	{
184	PHMDEVICE pHMDevice; /* iterator over the device table */
185	int namelength = strlen(pszDeviceName);
186
187	if (pszDeviceName != NULL)
188	{
189	for (pHMDevice = TabWin32Devices; /* loop over all devices in the table */
190	pHMDevice != NULL;
191	pHMDevice = pHMDevice->pNext)
192	{
193	if(pHMDevice->pDeviceHandler->FindDevice(pHMDevice->pszDeviceName, pszDeviceName, namelength) == TRUE)
194	{
195	return pHMDevice->pDeviceHandler;
196	}
197	}
198	}
199	return (HMGlobals.pHMOpen32); /* haven't found anything, return default */
200	}
201	/*****************************************************************************
202	* Name : static VOID *_HMDeviceGetData
203	* Purpose : obtain pointer to device data from the table by searching
204	* for a device name or alias
205	* Parameters: PSZ pszDeviceName
206	* Variables :
207	* Result : VOID * - pointer to the handlers device data
208	* Remark :
209	* Status :
210	*
211	* Author : Markus Montkowski
212	*****************************************************************************/
213
214	static VOID *_HMDeviceGetData (LPSTR pszDeviceName)
215	{
216	PHMDEVICE pHMDevice; /* iterator over the device table */
217	int namelength = strlen(pszDeviceName);
218
219	if (pszDeviceName != NULL)
220	{
221	for (pHMDevice = TabWin32Devices; /* loop over all devices in the table */
222	pHMDevice != NULL;
223	pHMDevice = pHMDevice->pNext)
224	{
225	if(pHMDevice->pDeviceHandler->FindDevice(pHMDevice->pszDeviceName, pszDeviceName, namelength) == TRUE)
226	{
227	return (pHMDevice->pDevData); /* OK, we've found our device */
228	}
229	}
230	}
231	return (NULL); /* haven't found anything, return NULL */
232	}
233
234	/*****************************************************************************
235	* Name : static int _HMHandleGetFree
236	* Purpose : get index to first free handle in the handle table
237	* Parameters:
238	* Variables :
239	* Result : int iIndex - index to the table or -1 in case of error
240	* Remark :
241	* Status :
242	*
243	* Author : Patrick Haller [Wed, 1998/02/11 20:43]
244	*****************************************************************************/
245
246	static ULONG _HMHandleGetFree(void)
247	{
248	register ULONG ulLoop;
249
250	handleMutex.enter();
251
252	for (ulLoop = 1; // @@@PH Note, this is an experimental change
253	// 0L as hHandle is sometimes considered invalid!
254	// this will never return 0l as free handle now.
255	ulLoop < MAX_OS2_HMHANDLES;
256	ulLoop++)
257	{
258	/* free handle found ? */
259	if (INVALID_HANDLE_VALUE == TabWin32Handles[ulLoop].hmHandleData.hHMHandle) {
260	//SvL: Mark handle as allocated here. Doing it outside of this function
261	// isn't thread safe. (and not very smart)
262	TabWin32Handles[ulLoop].hmHandleData.hHMHandle = ulLoop;
263	TabWin32Handles[ulLoop].hmHandleData.dwUserData = 0;
264	TabWin32Handles[ulLoop].hmHandleData.dwInternalType = HMTYPE_UNKNOWN;
265	TabWin32Handles[ulLoop].hmHandleData.lpDeviceData = NULL;
266	handleMutex.leave();
267	return (ulLoop); /* OK, then return it to the caller */
268	}
269	}
270
271	handleMutex.leave();
272	return (INVALID_HANDLE_VALUE); /* haven't found any free handle */
273	}
274
275
276	/*****************************************************************************
277	* Name : HMHandleGetUserData
278	* Purpose : Get the dwUserData dword for a specific handle
279	* Parameters: HANDLE hHandle
280	* Variables :
281	* Result : -1 or dwUserData
282	* Remark :
283	* Status :
284	*
285	* Author : SvL
286	*****************************************************************************/
287	DWORD HMHandleGetUserData(ULONG hHandle)
288	{
289	if (hHandle > MAX_OS2_HMHANDLES) /* check the table range */
290	return (-1);
291	/* Oops, invalid handle ! */
292	if (INVALID_HANDLE_VALUE == TabWin32Handles[hHandle].hmHandleData.hHMHandle)
293	return (-1); /* nope, ERROR_INVALID_HANDLE */
294
295	return TabWin32Handles[hHandle].hmHandleData.dwUserData;
296	}
297
298	/*****************************************************************************
299	* Name : static int _HMHandleQuery
300	* Purpose : gets the index of handle table entry as fast as possible from
301	* the specified handle
302	* Parameters: HANDLE hHandle
303	* Variables :
304	* Result : index or -1 in case of error
305	* Remark : Should fail for standard handles (in/out/err)!!!!!!!!!!
306	* HMGetFileType depends on this!!!
307	* Status :
308	*
309	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
310	*****************************************************************************/
311
312	static ULONG _HMHandleQuery(HANDLE hHandle)
313	{
314	if (hHandle > MAX_OS2_HMHANDLES) /* check the table range */
315	return (INVALID_HANDLE_VALUE); /* nope, ERROR_INVALID_HANDLE */
316
317	/* Oops, invalid handle ! */
318	if (INVALID_HANDLE_VALUE == TabWin32Handles[hHandle].hmHandleData.hHMHandle)
319	return (INVALID_HANDLE_VALUE); /* nope, ERROR_INVALID_HANDLE */
320
321	return ( hHandle); /* OK, we've got our handle index */
322	}
323
324
325	/*****************************************************************************
326	* Name : DWORD HMDeviceRegister
327	* Purpose : register a device with the handle manager
328	* Parameters: PSZ pszDeviceName
329	* HMDeviceHandler *pDeviceHandler
330	* Variables :
331	* Result : API returncode
332	* Remark :
333	* Status :
334	*
335	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
336	*****************************************************************************/
337
338	DWORD HMDeviceRegisterEx(LPSTR pszDeviceName,
339	HMDeviceHandler *pDeviceHandler,
340	VOID *pDevData)
341	{
342	PHMDEVICE pHMDevice; /* our new device to be allocated */
343
344	if ( (pszDeviceName == NULL) \|\| /* check parameters */
345	(pDeviceHandler == NULL) )
346	return (ERROR_INVALID_PARAMETER); /* raise error conditon */
347
348
349	pHMDevice = (PHMDEVICE) malloc (sizeof (HMDEVICE) ); /* allocate memory */
350	if (pHMDevice == NULL) /* check proper allocation */
351	return (ERROR_NOT_ENOUGH_MEMORY); /* signal error */
352
353	pHMDevice->pszDeviceName = strdup(pszDeviceName); /* copy name */
354	if (pHMDevice->pszDeviceName == NULL) /* check proper allocation */
355	{
356	free (pHMDevice); /* free previously allocated memory */
357	return (ERROR_NOT_ENOUGH_MEMORY); /* signal error */
358	}
359
360	pHMDevice->pDeviceHandler = pDeviceHandler; /* store pointer to device */
361	pHMDevice->pNext = TabWin32Devices; /* establish linkage */
362	pHMDevice->pDevData = pDevData;
363
364	TabWin32Devices = pHMDevice; /* insert new node as root in the list */
365
366	return (NO_ERROR);
367	}
368
369	DWORD HMDeviceRegister(LPSTR pszDeviceName,
370	HMDeviceHandler *pDeviceHandler)
371	{
372	return HMDeviceRegisterEx(pszDeviceName, pDeviceHandler, NULL);
373	}
374
375	/*****************************************************************************
376	* Name : DWORD HMInitialize
377	* Purpose : Initialize the handlemanager
378	* Parameters: -
379	* Variables : -
380	* Result : always NO_ERROR
381	* Remark : this routine just stores the standard handles in the
382	* internal table within the HandleManager
383	* Status :
384	*
385	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
386	*****************************************************************************/
387
388	DWORD HMInitialize(void)
389	{
390	ULONG ulIndex;
391
392	if (HMGlobals.fIsInitialized != TRUE)
393	{
394	handleMutex.enter();
395	// fill handle table
396	for(ulIndex = 0; ulIndex < MAX_OS2_HMHANDLES; ulIndex++) {
397	TabWin32Handles[ulIndex].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
398	}
399	handleMutex.leave();
400
401	dprintf(("KERNEL32:HandleManager:HMInitialize() storing handles.\n"));
402
403	memset(&HMGlobals, /* zero out the structure first */
404	0,
405	sizeof(HMGlobals));
406
407	HMGlobals.fIsInitialized = TRUE; /* OK, done */
408
409	/* copy standard handles from OS/2's Open32 Subsystem */
410	HMGlobals.pHMStandard = new HMDeviceStandardClass("\\\\STANDARD_HANDLE\\");
411	HMSetStdHandle(STD_INPUT_HANDLE, O32_GetStdHandle(STD_INPUT_HANDLE));
412	HMSetStdHandle(STD_OUTPUT_HANDLE, O32_GetStdHandle(STD_OUTPUT_HANDLE));
413	HMSetStdHandle(STD_ERROR_HANDLE, O32_GetStdHandle(STD_ERROR_HANDLE));
414
415	/* create handle manager instance for Open32 handles */
416	HMGlobals.pHMOpen32 = new HMDeviceOpen32Class("\\\\.\\");
417	HMGlobals.pHMEvent = new HMDeviceEventClass("\\\\EVENT\\");
418	HMGlobals.pHMFile = new HMDeviceFileClass("\\\\FILE\\");
419	HMGlobals.pHMDisk = new HMDeviceDiskClass("\\\\DISK\\");
420	HMGlobals.pHMMutex = new HMDeviceMutexClass("\\\\MUTEX\\");
421	HMGlobals.pHMSemaphore = new HMDeviceSemaphoreClass("\\\\SEM\\");
422	HMGlobals.pHMFileMapping= new HMDeviceMemMapClass("\\\\MEMMAP\\");
423	HMGlobals.pHMComm = new HMDeviceCommClass("\\\\COM\\");
424	HMGlobals.pHMToken = new HMDeviceTokenClass("\\\\TOKEN\\");
425	HMGlobals.pHMThread = new HMDeviceThreadClass("\\\\THREAD\\");
426	HMGlobals.pHMNamedPipe = new HMDeviceNamedPipeClass("\\\\PIPE\\");
427	HMGlobals.pHMMailslot = new HMMailslotClass("\\MAILSLOT\\");
428	}
429	return (NO_ERROR);
430	}
431
432
433	/*****************************************************************************
434	* Name : DWORD HMTerminate
435	* Purpose : Terminate the handlemanager
436	* Parameters:
437	* Variables :
438	* Result :
439	* Remark :
440	* Status :
441	*
442	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
443	*****************************************************************************/
444
445	DWORD HMTerminate(void)
446	{
447	/* @@@PH we could deallocate the device list here */
448
449	if(HMGlobals.pHMOpen32)
450	delete HMGlobals.pHMOpen32;
451	if(HMGlobals.pHMEvent)
452	delete HMGlobals.pHMEvent;
453	if(HMGlobals.pHMFile)
454	delete HMGlobals.pHMFile;
455	if(HMGlobals.pHMMutex)
456	delete HMGlobals.pHMMutex;
457	if(HMGlobals.pHMSemaphore)
458	delete HMGlobals.pHMSemaphore;
459	if(HMGlobals.pHMFileMapping)
460	delete HMGlobals.pHMFileMapping;
461	if(HMGlobals.pHMComm)
462	delete HMGlobals.pHMComm;
463	if(HMGlobals.pHMToken)
464	delete HMGlobals.pHMToken;
465	if(HMGlobals.pHMThread)
466	delete HMGlobals.pHMThread;
467	if(HMGlobals.pHMNamedPipe)
468	delete HMGlobals.pHMNamedPipe;
469	if(HMGlobals.pHMMailslot)
470	delete HMGlobals.pHMMailslot;
471	if(HMGlobals.pHMDisk)
472	delete HMGlobals.pHMDisk;
473	if(HMGlobals.pHMStandard);
474	delete HMGlobals.pHMStandard;
475
476	return (NO_ERROR);
477	}
478
479
480	/*****************************************************************************/
481	/* handle translation buffer management */
482	/* */
483	/* Since some Win32 applications rely (!) on 16-bit handles, we've got to do */
484	/* 32-bit to 16-bit and vs vsa translation here. */
485	/* Filehandle-based functions should be routed via the handlemanager instead */
486	/* of going to Open32 directly. */
487	/*****************************************************************************/
488
489
490	/*****************************************************************************
491	* Name : DWORD HMHandleAllocate
492	* Purpose : allocate a handle in the translation table
493	* Parameters: PULONG pHandle16 - to return the allocated handle
494	* ULONG hHandle32 - the associated OS/2 handle
495	* Variables :
496	* Result : API returncode
497	* Remark : no parameter checking is done, phHandle may not be invalid
498	* hHandle32 shouldn't be 0
499	* Should be protected with a HM-Mutex !
500	* Status :
501	*
502	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
503	*****************************************************************************/
504
505	DWORD HMHandleAllocate (PULONG phHandle16,
506	ULONG hHandleOS2)
507	{
508	register ULONG ulHandle;
509
510	#ifdef DEBUG_LOCAL
511	dprintf(("KERNEL32: HMHandleAllocate (%08xh,%08xh)\n",
512	phHandle16,
513	hHandleOS2));
514	#endif
515
516	ulHandle = HMGlobals.ulHandleLast; /* get free handle */
517
518	handleMutex.enter();
519
520	if(ulHandle == 0) {
521	ulHandle = 1; //SvL: Start searching from index 1
522	}
523	do
524	{
525	/* check if handle is free */
526	if (TabWin32Handles[ulHandle].hmHandleData.hHMHandle == INVALID_HANDLE_VALUE)
527	{
528	*phHandle16 = ulHandle;
529	TabWin32Handles[ulHandle].hmHandleData.hHMHandle = hHandleOS2;
530	TabWin32Handles[ulHandle].hmHandleData.lpDeviceData = NULL;
531	HMGlobals.ulHandleLast = ulHandle; /* to shorten search times */
532
533	handleMutex.leave();
534	return (NO_ERROR); /* OK */
535	}
536
537	ulHandle++; /* skip to next entry */
538
539	if (ulHandle >= MAX_OS2_HMHANDLES) /* check boundary */
540	ulHandle = 1;
541	}
542	while (ulHandle != HMGlobals.ulHandleLast);
543
544	handleMutex.leave();
545
546	return (ERROR_TOO_MANY_OPEN_FILES); /* OK, we're done */
547	}
548
549
550	/*****************************************************************************
551	* Name : DWORD HMHandleFree
552	* Purpose : free a handle from the translation table
553	* Parameters: ULONG hHandle16 - the handle to be freed
554	* Variables :
555	* Result : API returncode
556	* Remark : no parameter checking is done, hHandle16 MAY NEVER exceed
557	* the MAX_TRANSLATION_HANDLES boundary
558	* Status :
559	*
560	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
561	*****************************************************************************/
562
563	DWORD HMHandleFree (ULONG hHandle16)
564	{
565	ULONG rc; /* API returncode */
566
567	#ifdef DEBUG_LOCAL
568	dprintf(("KERNEL32: HMHandleFree (%08xh)\n",
569	hHandle16));
570	#endif
571
572	rc = HMHandleValidate(hHandle16); /* verify handle */
573	if (rc != NO_ERROR) /* check errors */
574	return (rc); /* raise error condition */
575
576	TabWin32Handles[hHandle16].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
577	/* OK, done */
578
579	return (NO_ERROR);
580	}
581
582
583	/*****************************************************************************
584	* Name : DWORD HMHandleValidate
585	* Purpose : validate a handle through the translation table
586	* Parameters: ULONG hHandle16 - the handle to be verified
587	* Variables :
588	* Result : API returncode
589	* Remark :
590	* Status :
591	*
592	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
593	*****************************************************************************/
594
595	DWORD HMHandleValidate (ULONG hHandle16)
596	{
597	#ifdef DEBUG_LOCAL
598	dprintf(("KERNEL32: HMHandleValidate (%08xh)\n",
599	hHandle16));
600	#endif
601
602	if (hHandle16 >= MAX_OS2_HMHANDLES) /* check boundary */
603	return (ERROR_INVALID_HANDLE); /* raise error condition */
604
605	if (TabWin32Handles[hHandle16].hmHandleData.hHMHandle == INVALID_HANDLE_VALUE)
606	/* valid ? */
607	return (ERROR_INVALID_HANDLE); /* raise error condition */
608
609	return (NO_ERROR);
610	}
611	//*****************************************************************************
612	//*****************************************************************************
613	PHMHANDLEDATA HMQueryHandleData(HANDLE handle)
614	{
615	int iIndex;
616
617	iIndex = _HMHandleQuery(handle); /* get the index */
618	if (-1 == iIndex) /* error ? */
619	{
620	return NULL;
621	}
622	return &TabWin32Handles[iIndex].hmHandleData; /* call device handler */
623	}
624
625	/*****************************************************************************
626	* Name : DWORD HMHandleTranslateToWin
627	* Purpose : translate a 32-bit OS/2 handle to the associated windows handle
628	* Parameters: ULONG hHandle32 - the OS/2 handle
629	* PULONG phHandle16 - the associated windows handle
630	* Variables :
631	* Result : API returncode
632	* Remark :
633	* Status :
634	*
635	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
636	*****************************************************************************/
637
638	DWORD HMHandleTranslateToWin (ULONG hHandleOS2,
639	PULONG phHandle16)
640	{
641	ULONG rc; /* API returncode */
642	register ULONG ulIndex; /* index counter over the table */
643
644	#ifdef DEBUG_LOCAL
645	dprintf(("KERNEL32: HMHandleTranslateToWin (%08xh, %08xh)\n",
646	hHandleOS2,
647	phHandle16));
648	#endif
649
650	for (ulIndex = 1;
651	ulIndex < MAX_OS2_HMHANDLES;
652	ulIndex++)
653	{
654	/* look for the handle */
655	if (TabWin32Handles[ulIndex].hmHandleData.hHMHandle == hHandleOS2)
656	{
657	phHandle16 = ulIndex; / deliver result */
658	return (NO_ERROR); /* OK */
659	}
660	}
661
662	return (ERROR_INVALID_HANDLE); /* raise error condition */
663	}
664
665
666	/*****************************************************************************
667	* Name : DWORD HMHandleTranslateToOS2
668	* Purpose : translate a 16-bit Win32 handle to the associated OS/2 handle
669	* Parameters: ULONG hHandle16 - the windows handle
670	* PULONG phHandle32 - the associated OS/2 handle
671	* Variables :
672	* Result : API returncode
673	* Remark :
674	* Status :
675	*
676	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
677	*****************************************************************************/
678
679	DWORD HMHandleTranslateToOS2 (ULONG hHandle16,
680	PULONG phHandleOS2)
681	{
682	#ifdef DEBUG_LOCAL
683	dprintf(("KERNEL32: HMHandleTranslateToOS2 (%08xh, %08xh)\n",
684	hHandle16,
685	phHandleOS2));
686	#endif
687
688	if (HMHandleValidate(hHandle16) == NO_ERROR) /* verify handle */
689	{
690	*phHandleOS2 = TabWin32Handles[hHandle16].hmHandleData.hHMHandle;
691	return (NO_ERROR);
692	}
693
694	return (ERROR_INVALID_HANDLE); /* raise error condition */
695	}
696
697
698	/*****************************************************************************
699	* Name : DWORD HMHandleTranslateToOS2i
700	* Purpose : translate a 16-bit Win32 handle to the associated OS/2 handle
701	* Parameters: ULONG hHandle16 - the windows handle
702	* Variables :
703	* Result : OS/2 handle
704	* Remark : no checkinf
705	* Status :
706	*
707	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
708	*****************************************************************************/
709
710	DWORD HMHandleTranslateToOS2i (ULONG hHandle16)
711	{
712	#ifdef DEBUG_LOCAL
713	dprintf(("KERNEL32: HMHandleTranslateToOS2i (%08xh)\n",
714	hHandle16));
715	#endif
716
717	return(TabWin32Handles[hHandle16].hmHandleData.hHMHandle);
718	}
719
720	/*****************************************************************************
721	* Name : HANDLE _HMGetStdHandle
722	* Purpose : replacement for Open32's GetStdHandle function
723	* Parameters: DWORD nStdHandle
724	* Variables :
725	* Result : HANDLE to standard device
726	* Remark :
727	* Status :
728	*
729	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
730	*****************************************************************************/
731
732	HANDLE HMGetStdHandle(DWORD nStdHandle)
733	{
734	switch (nStdHandle)
735	{
736	case STD_INPUT_HANDLE: return (HMGlobals.hStandardIn);
737	case STD_OUTPUT_HANDLE: return (HMGlobals.hStandardOut);
738	case STD_ERROR_HANDLE: return (HMGlobals.hStandardError);
739
740	default:
741	{
742	SetLastError(ERROR_INVALID_PARAMETER); /* set error information */
743	return (INVALID_HANDLE_VALUE); /* raise error condition */
744	}
745	}
746	}
747
748
749	/*****************************************************************************
750	* Name : HANDLE _HMSetStdHandle
751	* Purpose : replacement for Open32's SetStdHandle function
752	* Parameters: DWORD nStdHandle
753	* HANDLE hHandle
754	* Variables :
755	* Result : BOOL fSuccess
756	* Remark :
757	* Status :
758	*
759	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
760	*****************************************************************************/
761
762	BOOL HMSetStdHandle(DWORD nStdHandle, HANDLE hHandleOpen32)
763	{
764	PHMHANDLEDATA pHMHandleData;
765	HANDLE hHandle;
766
767	hHandle = _HMHandleGetFree(); /* get free handle */
768	if (hHandle == -1) /* oops, no free handles ! */
769	{
770	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
771	return 0;
772	}
773
774	/* initialize the complete HMHANDLEDATA structure */
775	pHMHandleData = &TabWin32Handles[hHandle].hmHandleData;
776	pHMHandleData->dwType = FILE_TYPE_CHAR;
777	pHMHandleData->dwAccess = 0;
778	pHMHandleData->dwShare = 0;
779	pHMHandleData->dwCreation = 0;
780	pHMHandleData->dwFlags = 0;
781	pHMHandleData->dwUserData = nStdHandle;
782	pHMHandleData->hHMHandle = hHandleOpen32;
783	pHMHandleData->lpHandlerData = NULL;
784
785	TabWin32Handles[hHandle].pDeviceHandler = HMGlobals.pHMStandard;
786
787	switch (nStdHandle)
788	{
789	case STD_INPUT_HANDLE: HMGlobals.hStandardIn = hHandle; return TRUE;
790	case STD_OUTPUT_HANDLE: HMGlobals.hStandardOut = hHandle; return TRUE;
791	case STD_ERROR_HANDLE: HMGlobals.hStandardError = hHandle; return TRUE;
792
793	default:
794	{
795	SetLastError(ERROR_INVALID_PARAMETER); /* set error information */
796	return (FALSE); /* raise error condition */
797	}
798	}
799	}
800
801
802	/*****************************************************************************
803	* Name : HANDLE HMDuplicateHandle
804	* Purpose : replacement for Open32's HMDuplicateHandle function
805	* Parameters:
806	*
807	* Variables :
808	* Result : BOOL fSuccess
809	* Remark :
810	* Status :
811	*
812	* Author : Sander van Leeuwen [Wed, 1999/08/25 15:44]
813	*****************************************************************************/
814
815	BOOL HMDuplicateHandle(HANDLE srcprocess,
816	HANDLE srchandle,
817	HANDLE destprocess,
818	PHANDLE desthandle,
819	DWORD fdwAccess,
820	BOOL fInherit,
821	DWORD fdwOptions,
822	DWORD fdwOdinOptions)
823	{
824	int iIndex; /* index into the handle table */
825	int iIndexNew; /* index into the handle table */
826	HMDeviceHandler pDeviceHandler; / device handler for this handle */
827	PHMHANDLEDATA pHMHandleData;
828	BOOL rc; /* API return code */
829
830	if(HMHandleValidate(srchandle) != NO_ERROR)
831	{
832	dprintf(("KERNEL32: HMDuplicateHandle: invalid handle %x", srchandle));
833	SetLastError(ERROR_INVALID_HANDLE); /* use this as error message */
834	return FALSE;
835	}
836
837	pDeviceHandler = TabWin32Handles[srchandle].pDeviceHandler; /* device is predefined */
838	iIndexNew = _HMHandleGetFree(); /* get free handle */
839	if (-1 == iIndexNew) /* oops, no free handles ! */
840	{
841	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
842	return FALSE; /* signal error */
843	}
844
845	/* initialize the complete HMHANDLEDATA structure */
846	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
847	pHMHandleData->dwType = TabWin32Handles[srchandle].hmHandleData.dwType;
848	if (fdwOptions & DUPLICATE_SAME_ACCESS)
849	pHMHandleData->dwAccess = TabWin32Handles[srchandle].hmHandleData.dwAccess;
850	else
851	pHMHandleData->dwAccess = fdwAccess;
852
853	if((fdwOdinOptions & DUPLICATE_ACCESS_READWRITE) == DUPLICATE_ACCESS_READWRITE) {
854	pHMHandleData->dwAccess = GENERIC_READ \| GENERIC_WRITE;
855	}
856	else
857	if(fdwOdinOptions & DUPLICATE_ACCESS_READ) {
858	pHMHandleData->dwAccess = GENERIC_READ;
859	}
860
861	if(fdwOdinOptions & DUPLICATE_SHARE_READ) {
862	pHMHandleData->dwShare = FILE_SHARE_READ;
863	}
864	else
865	if(fdwOdinOptions & DUPLICATE_SHARE_DENYNONE) {
866	pHMHandleData->dwShare = FILE_SHARE_READ \| FILE_SHARE_WRITE;
867	}
868	else pHMHandleData->dwShare = TabWin32Handles[srchandle].hmHandleData.dwShare;
869
870	pHMHandleData->dwCreation = TabWin32Handles[srchandle].hmHandleData.dwCreation;
871	pHMHandleData->dwFlags = TabWin32Handles[srchandle].hmHandleData.dwFlags;
872	pHMHandleData->lpHandlerData = TabWin32Handles[srchandle].hmHandleData.lpHandlerData;
873
874
875	/* we've got to mark the handle as occupied here, since another device */
876	/* could be created within the device handler -> deadlock */
877
878	/* write appropriate entry into the handle table if open succeeded */
879	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
880	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
881	/* call the device handler */
882	rc = pDeviceHandler->DuplicateHandle(&TabWin32Handles[iIndexNew].hmHandleData,
883	srcprocess,
884	&TabWin32Handles[srchandle].hmHandleData,
885	destprocess,
886	desthandle,
887	fdwAccess,
888	fInherit,
889	fdwOptions & ~DUPLICATE_CLOSE_SOURCE,
890	fdwOdinOptions);
891
892	//Don't let Open32 close it for us, but do it manually (regardless of error; see SDK docs))
893	if (fdwOptions & DUPLICATE_CLOSE_SOURCE)
894	HMCloseHandle(srchandle);
895
896	if(rc == FALSE) /* oops, creation failed within the device handler */
897	{
898	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
899	return FALSE; /* signal error */
900	}
901	else
902	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
903
904	*desthandle = iIndexNew;
905	return TRUE; /* return valid handle */
906	}
907
908	/*****************************************************************************
909	* Name : HANDLE HMCreateFile
910	* Purpose : Wrapper for the CreateFile() API
911	* Parameters:
912	* Variables :
913	* Result :
914	* Remark : Fix parameters passed to the HMDeviceManager::CreateFile
915	* Supply access mode and share mode validation routines
916	* Status :
917	*
918	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
919	*****************************************************************************/
920
921	HFILE HMCreateFile(LPCSTR lpFileName,
922	DWORD dwDesiredAccess,
923	DWORD dwShareMode,
924	LPSECURITY_ATTRIBUTES lpSecurityAttributes,
925	DWORD dwCreationDisposition,
926	DWORD dwFlagsAndAttributes,
927	HANDLE hTemplateFile)
928	{
929	int iIndex; /* index into the handle table */
930	int iIndexNew; /* index into the handle table */
931	HMDeviceHandler pDeviceHandler; / device handler for this handle */
932	HANDLE hResult;
933	DWORD rc; /* API return code */
934	PHMHANDLEDATA pHMHandleData;
935	HMHANDLEDATA HMHandleTemp; /* temporary buffer for handle data */
936	VOID *pDevData;
937
938	/* create new handle by either lpFileName or hTemplateFile */
939	if (lpFileName == NULL) /* this indicates creation from template */
940	{
941	iIndex = _HMHandleQuery(hTemplateFile); /* query table for template */
942	if (-1 == iIndex) /* this device is unknown to us */
943	{
944	SetLastError (ERROR_INVALID_HANDLE);
945	return INVALID_HANDLE_VALUE;
946	}
947	else
948	{
949	/* to pass to handler */
950	pHMHandleData = &TabWin32Handles[iIndex].hmHandleData;
951	pDeviceHandler = TabWin32Handles[iIndex].pDeviceHandler;
952	}
953	}
954	else
955	{
956	pDeviceHandler = _HMDeviceFind((LPSTR)lpFileName); /* find device */
957	if (NULL == pDeviceHandler) /* this name is unknown to us */
958	{
959	SetLastError(ERROR_FILE_NOT_FOUND);
960	return (INVALID_HANDLE_VALUE); /* signal error */
961	}
962	else
963	pHMHandleData = NULL;
964
965	pDevData = _HMDeviceGetData((LPSTR)lpFileName);
966
967	if(pDeviceHandler == HMGlobals.pHMOpen32) {
968	pDeviceHandler = HMGlobals.pHMFile;
969	}
970	}
971
972
973	iIndexNew = _HMHandleGetFree(); /* get free handle */
974	if (-1 == iIndexNew) /* oops, no free handles ! */
975	{
976	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
977	return (INVALID_HANDLE_VALUE); /* signal error */
978	}
979
980
981	/* initialize the complete HMHANDLEDATA structure */
982	if (lpFileName == NULL) /* create from template */
983	memcpy (&HMHandleTemp,
984	&TabWin32Handles[iIndex].hmHandleData,
985	sizeof(HMHANDLEDATA));
986	else
987	{
988	HMHandleTemp.dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
989	HMHandleTemp.dwAccess = dwDesiredAccess;
990	HMHandleTemp.dwShare = dwShareMode;
991	HMHandleTemp.dwCreation = dwCreationDisposition;
992	HMHandleTemp.dwFlags = dwFlagsAndAttributes;
993	HMHandleTemp.lpHandlerData = NULL;
994	HMHandleTemp.lpDeviceData = pDevData;
995	}
996
997	/* we've got to mark the handle as occupied here, since another device */
998	/* could be created within the device handler -> deadlock */
999
1000	/* write appropriate entry into the handle table if open succeeded */
1001	HMHandleTemp.hHMHandle = iIndexNew;
1002	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
1003	/* now copy back our temporary handle data */
1004	memcpy(&TabWin32Handles[iIndexNew].hmHandleData,
1005	&HMHandleTemp,
1006	sizeof(HMHANDLEDATA));
1007
1008	rc = pDeviceHandler->CreateFile(lpFileName, /* call the device handler */
1009	&HMHandleTemp,
1010	lpSecurityAttributes,
1011	pHMHandleData);
1012
1013	#ifdef DEBUG_LOCAL
1014	dprintf(("KERNEL32/HandleManager:CheckPoint2: %s lpHandlerData=%08xh\n",
1015	lpFileName,
1016	HMHandleTemp.lpHandlerData));
1017	#endif
1018
1019	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
1020	{
1021	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1022	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
1023	return (INVALID_HANDLE_VALUE); /* signal error */
1024	}
1025	else
1026	{
1027	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
1028
1029	/* copy data fields that might have been modified by CreateFile */
1030	memcpy(&TabWin32Handles[iIndexNew].hmHandleData,
1031	&HMHandleTemp,
1032	sizeof(HMHANDLEDATA));
1033	}
1034
1035
1036	#ifdef DEBUG_LOCAL
1037	dprintf(("KERNEL32/HandleManager: CreateFile(%s)=%08xh\n",
1038	lpFileName,
1039	iIndexNew));
1040	#endif
1041
1042	return (HFILE)iIndexNew; /* return valid handle */
1043	}
1044
1045
1046	/*****************************************************************************
1047	* Name : HANDLE HMOpenFile
1048	* Purpose : Wrapper for the OpenFile() API
1049	* Parameters:
1050	* Variables :
1051	* Result :
1052	* Remark : Fix parameters passed to the HMDeviceManager::OpenFile
1053	* Supply access mode and share mode validation routines
1054	* Status :
1055	*
1056	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1057	*****************************************************************************/
1058
1059
1060	/***********************************************************************
1061	* FILE_ConvertOFMode
1062	*
1063	* Convert OF_* mode into flags for CreateFile.
1064	*/
1065	static void FILE_ConvertOFMode( INT mode, DWORD access, DWORD sharing )
1066	{
1067	switch(mode & 0x03)
1068	{
1069	case OF_READ: *access = GENERIC_READ; break;
1070	case OF_WRITE: *access = GENERIC_WRITE; break;
1071	case OF_READWRITE: *access = GENERIC_READ \| GENERIC_WRITE; break;
1072	default: *access = 0; break;
1073	}
1074	switch(mode & 0x70)
1075	{
1076	case OF_SHARE_EXCLUSIVE: *sharing = 0; break;
1077	case OF_SHARE_DENY_WRITE: *sharing = FILE_SHARE_READ; break;
1078	case OF_SHARE_DENY_READ: *sharing = FILE_SHARE_WRITE; break;
1079	case OF_SHARE_DENY_NONE:
1080	case OF_SHARE_COMPAT:
1081	default: *sharing = FILE_SHARE_READ \| FILE_SHARE_WRITE; break;
1082	}
1083	}
1084
1085	HANDLE HMOpenFile(LPCSTR lpFileName,
1086	OFSTRUCT* pOFStruct,
1087	UINT fuMode)
1088	{
1089	int iIndex; /* index into the handle table */
1090	int iIndexNew; /* index into the handle table */
1091	HMDeviceHandler pDeviceHandler; / device handler for this handle */
1092	VOID *pDevData;
1093	PHMHANDLEDATA pHMHandleData;
1094	DWORD rc; /* API return code */
1095
1096	if(fuMode & OF_REOPEN) {
1097	pDeviceHandler = _HMDeviceFind((LPSTR)pOFStruct->szPathName); /* find device */
1098	}
1099	else pDeviceHandler = _HMDeviceFind((LPSTR)lpFileName); /* find device */
1100	if (NULL == pDeviceHandler) /* this name is unknown to us */
1101	{
1102	SetLastError(ERROR_FILE_NOT_FOUND);
1103	return (INVALID_HANDLE_VALUE); /* signal error */
1104	}
1105	else
1106	pHMHandleData = NULL;
1107
1108	if(fuMode & OF_REOPEN) {
1109	pDevData = _HMDeviceGetData((LPSTR)pOFStruct->szPathName);
1110	}
1111	else pDevData = _HMDeviceGetData((LPSTR)lpFileName);
1112
1113
1114	if(pDeviceHandler == HMGlobals.pHMOpen32) {
1115	pDeviceHandler = HMGlobals.pHMFile;
1116	}
1117
1118	iIndexNew = _HMHandleGetFree(); /* get free handle */
1119	if (-1 == iIndexNew) /* oops, no free handles ! */
1120	{
1121	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
1122	return (INVALID_HANDLE_VALUE); /* signal error */
1123	}
1124
1125
1126	/* initialize the complete HMHANDLEDATA structure */
1127	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
1128	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
1129
1130	FILE_ConvertOFMode(fuMode, /* map OF_flags */
1131	&pHMHandleData->dwAccess,
1132	&pHMHandleData->dwShare);
1133
1134	//SvL; Must be OPEN_EXISTING because mmaps depend on it (to duplicate
1135	// the file handle when this handle is a parameter for CreateFileMappingA/W
1136	pHMHandleData->dwCreation = OPEN_EXISTING;
1137	pHMHandleData->dwFlags = 0;
1138	pHMHandleData->lpHandlerData = NULL;
1139	pHMHandleData->lpDeviceData = pDevData;
1140
1141	/* we've got to mark the handle as occupied here, since another device */
1142	/* could be created within the device handler -> deadlock */
1143
1144	/* write appropriate entry into the handle table if open succeeded */
1145	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
1146	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
1147
1148	rc = pDeviceHandler->OpenFile (lpFileName, /* call the device handler */
1149	&TabWin32Handles[iIndexNew].hmHandleData,
1150	pOFStruct,
1151	fuMode);
1152
1153	#ifdef DEBUG_LOCAL
1154	dprintf(("KERNEL32/HandleManager:CheckPoint3: %s lpHandlerData=%08xh rc=%08xh\n",
1155	lpFileName,
1156	&TabWin32Handles[iIndexNew].hmHandleData.lpHandlerData,
1157	rc));
1158	#endif
1159
1160	if(rc != NO_ERROR) /* oops, creation failed within the device handler */
1161	{
1162	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1163	SetLastError(pOFStruct->nErrCode);
1164	return (INVALID_HANDLE_VALUE); /* signal error */
1165	}
1166	else {
1167	if(fuMode & (OF_DELETE\|OF_EXIST)) {
1168	//file handle already closed
1169	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1170	return TRUE; //TODO: correct?
1171	}
1172	if(fuMode & OF_PARSE) {
1173	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1174	return 0;
1175	}
1176	if(fuMode & OF_VERIFY) {
1177	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1178	return 1; //TODO: correct?
1179	}
1180	}
1181
1182	#ifdef DEBUG_LOCAL
1183	dprintf(("KERNEL32/HandleManager: OpenFile(%s)=%08xh\n",
1184	lpFileName,
1185	iIndexNew));
1186	#endif
1187
1188	return iIndexNew; /* return valid handle */
1189	}
1190
1191
1192
1193	/*****************************************************************************
1194	* Name : HANDLE HMCloseFile
1195	* Purpose : Wrapper for the CloseHandle() API
1196	* Parameters:
1197	* Variables :
1198	* Result :
1199	* Remark :
1200	* Status :
1201	*
1202	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1203	*****************************************************************************/
1204
1205	BOOL HMCloseHandle(HANDLE hObject)
1206	{
1207	int iIndex; /* index into the handle table */
1208	BOOL fResult; /* result from the device handler's CloseHandle() */
1209	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1210
1211	/* validate handle */
1212	iIndex = _HMHandleQuery(hObject); /* get the index */
1213	if (-1 == iIndex) /* error ? */
1214	{
1215	//@@@PH it may occur someone closes e.g. a semaphore handle
1216	// which is not registered through the HandleManager yet.
1217	// so we try to pass on to Open32 instead.
1218	dprintf(("KERNEL32: HandleManager:HMCloseHandle(%08xh) passed on to Open32.\n",
1219	hObject));
1220
1221	fResult = O32_CloseHandle(hObject);
1222	return (fResult);
1223
1224	//SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1225	//return (FALSE); /* signal failure */
1226	}
1227
1228	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1229	//SvL: Check if pDeviceHandler is set
1230	if (pHMHandle->pDeviceHandler)
1231	{
1232	fResult = pHMHandle->pDeviceHandler->CloseHandle(&pHMHandle->hmHandleData);
1233	}
1234	else
1235	{
1236	dprintf(("HMCloseHAndle(%08xh): pDeviceHandler not set", hObject));
1237	fResult = TRUE;
1238	}
1239
1240	if (fResult == TRUE) /* remove handle if close succeeded */
1241	{
1242	pHMHandle->hmHandleData.hHMHandle = INVALID_HANDLE_VALUE; /* mark handle as free */
1243	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
1244	}
1245
1246	return (fResult); /* deliver return code */
1247	}
1248
1249
1250	/*****************************************************************************
1251	* Name : HANDLE HMReadFile
1252	* Purpose : Wrapper for the ReadHandle() API
1253	* Parameters:
1254	* Variables :
1255	* Result :
1256	* Remark :
1257	* Status :
1258	*
1259	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1260	*****************************************************************************/
1261
1262	BOOL HMReadFile(HANDLE hFile,
1263	LPVOID lpBuffer,
1264	DWORD nNumberOfBytesToRead,
1265	LPDWORD lpNumberOfBytesRead,
1266	LPOVERLAPPED lpOverlapped)
1267	{
1268	int iIndex; /* index into the handle table */
1269	BOOL fResult; /* result from the device handler's CloseHandle() */
1270	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1271
1272	/* validate handle */
1273	iIndex = _HMHandleQuery(hFile); /* get the index */
1274	if (-1 == iIndex) /* error ? */
1275	{
1276	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1277	return (FALSE); /* signal failure */
1278	}
1279
1280	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1281	fResult = pHMHandle->pDeviceHandler->ReadFile(&pHMHandle->hmHandleData,
1282	lpBuffer,
1283	nNumberOfBytesToRead,
1284	lpNumberOfBytesRead,
1285	lpOverlapped);
1286
1287	return (fResult); /* deliver return code */
1288	}
1289	/*****************************************************************************
1290	* Name : HANDLE HMReadFileEx
1291	* Purpose : Wrapper for the ReadFileEx() API
1292	* Parameters:
1293	* Variables :
1294	* Result :
1295	* Remark :
1296	* Status :
1297	*
1298	* Author : SvL
1299	*****************************************************************************/
1300	BOOL HMReadFileEx(HANDLE hFile,
1301	LPVOID lpBuffer,
1302	DWORD nNumberOfBytesToRead,
1303	LPOVERLAPPED lpOverlapped,
1304	LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
1305	{
1306	int iIndex; /* index into the handle table */
1307	BOOL fResult; /* result from the device handler's CloseHandle() */
1308	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1309
1310	/* validate handle */
1311	iIndex = _HMHandleQuery(hFile); /* get the index */
1312	if (-1 == iIndex) /* error ? */
1313	{
1314	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1315	return (FALSE); /* signal failure */
1316	}
1317
1318	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1319	fResult = pHMHandle->pDeviceHandler->ReadFileEx(&pHMHandle->hmHandleData,
1320	lpBuffer,
1321	nNumberOfBytesToRead,
1322	lpOverlapped,
1323	lpCompletionRoutine);
1324
1325	return (fResult); /* deliver return code */
1326	}
1327
1328	/*****************************************************************************
1329	* Name : HANDLE HMWriteFile
1330	* Purpose : Wrapper for the WriteHandle() API
1331	* Parameters:
1332	* Variables :
1333	* Result :
1334	* Remark :
1335	* Status :
1336	*
1337	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1338	*****************************************************************************/
1339
1340	BOOL HMWriteFile(HANDLE hFile,
1341	LPCVOID lpBuffer,
1342	DWORD nNumberOfBytesToWrite,
1343	LPDWORD lpNumberOfBytesWritten,
1344	LPOVERLAPPED lpOverlapped)
1345	{
1346	int iIndex; /* index into the handle table */
1347	BOOL fResult; /* result from the device handler's CloseHandle() */
1348	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1349
1350	/* validate handle */
1351	iIndex = _HMHandleQuery(hFile); /* get the index */
1352	if (-1 == iIndex) /* error ? */
1353	{
1354	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1355	return (FALSE); /* signal failure */
1356	}
1357
1358	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1359	fResult = pHMHandle->pDeviceHandler->WriteFile(&pHMHandle->hmHandleData,
1360	lpBuffer,
1361	nNumberOfBytesToWrite,
1362	lpNumberOfBytesWritten,
1363	lpOverlapped);
1364
1365	return (fResult); /* deliver return code */
1366	}
1367
1368	/*****************************************************************************
1369	* Name : HANDLE HMWriteFileEx
1370	* Purpose : Wrapper for the WriteFileEx() API
1371	* Parameters:
1372	* Variables :
1373	* Result :
1374	* Remark :
1375	* Status :
1376	*
1377	* Author : SvL
1378	*****************************************************************************/
1379	BOOL HMWriteFileEx(HANDLE hFile,
1380	LPVOID lpBuffer,
1381	DWORD nNumberOfBytesToWrite,
1382	LPOVERLAPPED lpOverlapped,
1383	LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
1384	{
1385	int iIndex; /* index into the handle table */
1386	BOOL fResult; /* result from the device handler's CloseHandle() */
1387	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1388
1389	/* validate handle */
1390	iIndex = _HMHandleQuery(hFile); /* get the index */
1391	if (-1 == iIndex) /* error ? */
1392	{
1393	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1394	return (FALSE); /* signal failure */
1395	}
1396
1397	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1398	fResult = pHMHandle->pDeviceHandler->WriteFileEx(&pHMHandle->hmHandleData,
1399	lpBuffer,
1400	nNumberOfBytesToWrite,
1401	lpOverlapped,
1402	lpCompletionRoutine);
1403
1404	return (fResult); /* deliver return code */
1405	}
1406
1407
1408	/*****************************************************************************
1409	* Name : HANDLE HMGetFileType
1410	* Purpose : Wrapper for the GetFileType() API
1411	* Parameters:
1412	* Variables :
1413	* Result :
1414	* Remark :
1415	* Status :
1416	*
1417	* Author : Patrick Haller [Wed, 1998/02/12 13:37]
1418	*****************************************************************************/
1419
1420	DWORD HMGetFileType(HANDLE hFile)
1421	{
1422	int iIndex; /* index into the handle table */
1423	DWORD dwResult; /* result from the device handler's API */
1424	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1425
1426	/* validate handle */
1427	iIndex = _HMHandleQuery(hFile); /* get the index */
1428	if (-1 == iIndex) /* error ? */
1429	{
1430	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1431	return FILE_TYPE_UNKNOWN; /* signal failure */
1432	}
1433
1434	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1435	dwResult = pHMHandle->pDeviceHandler->GetFileType(&pHMHandle->hmHandleData);
1436
1437	return (dwResult); /* deliver return code */
1438	}
1439
1440
1441	/*****************************************************************************
1442	* Name : HMDeviceHandler::_DeviceReuqest
1443	* Purpose : entry method for special request functions
1444	* Parameters: ULONG ulRequestCode
1445	* various parameters as required
1446	* Variables :
1447	* Result :
1448	* Remark : the standard behaviour is to return an error code for non-
1449	* existant request codes
1450	* Status :
1451	*
1452	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1453	*****************************************************************************/
1454
1455	DWORD HMDeviceRequest (HANDLE hFile,
1456	ULONG ulRequestCode,
1457	ULONG arg1,
1458	ULONG arg2,
1459	ULONG arg3,
1460	ULONG arg4)
1461	{
1462	int iIndex; /* index into the handle table */
1463	DWORD dwResult; /* result from the device handler's API */
1464	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1465
1466	/* validate handle */
1467	iIndex = _HMHandleQuery(hFile); /* get the index */
1468	if (-1 == iIndex) /* error ? */
1469	{
1470	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1471	return (INVALID_HANDLE_ERROR); /* signal failure */
1472	}
1473
1474	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1475	dwResult = pHMHandle->pDeviceHandler->_DeviceRequest(&pHMHandle->hmHandleData,
1476	ulRequestCode,
1477	arg1,
1478	arg2,
1479	arg3,
1480	arg4);
1481
1482	return (dwResult); /* deliver return code */
1483	}
1484
1485
1486	/*****************************************************************************
1487	* Name : HMDeviceHandler::GetFileInformationByHandle
1488	* Purpose : router function for GetFileInformationByHandle
1489	* Parameters:
1490	* Variables :
1491	* Result :
1492	* Remark :
1493	* Status :
1494	*
1495	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1496	*****************************************************************************/
1497
1498	BOOL HMGetFileInformationByHandle (HANDLE hFile,
1499	BY_HANDLE_FILE_INFORMATION *pHFI)
1500	{
1501	int iIndex; /* index into the handle table */
1502	DWORD dwResult; /* result from the device handler's API */
1503	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1504
1505	/* validate handle */
1506	iIndex = _HMHandleQuery(hFile); /* get the index */
1507	if (-1 == iIndex) /* error ? */
1508	{
1509	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1510	return FALSE; /* signal failure */
1511	}
1512
1513	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1514	dwResult = pHMHandle->pDeviceHandler->GetFileInformationByHandle(&pHMHandle->hmHandleData,
1515	pHFI);
1516
1517	return (dwResult); /* deliver return code */
1518	}
1519
1520
1521	/*****************************************************************************
1522	* Name : HMDeviceHandler::SetEndOfFile
1523	* Purpose : router function for SetEndOfFile
1524	* Parameters:
1525	* Variables :
1526	* Result :
1527	* Remark :
1528	* Status :
1529	*
1530	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1531	*****************************************************************************/
1532
1533	BOOL HMSetEndOfFile (HANDLE hFile)
1534	{
1535	int iIndex; /* index into the handle table */
1536	BOOL bResult; /* result from the device handler's API */
1537	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1538
1539	/* validate handle */
1540	iIndex = _HMHandleQuery(hFile); /* get the index */
1541	if (-1 == iIndex) /* error ? */
1542	{
1543	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1544	return FALSE; /* signal failure */
1545	}
1546
1547	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1548	bResult = pHMHandle->pDeviceHandler->SetEndOfFile(&pHMHandle->hmHandleData);
1549
1550	return (bResult); /* deliver return code */
1551	}
1552
1553
1554	/*****************************************************************************
1555	* Name : HMDeviceHandler::SetFileTime
1556	* Purpose : router function for SetFileTime
1557	* Parameters:
1558	* Variables :
1559	* Result :
1560	* Remark :
1561	* Status :
1562	*
1563	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1564	*****************************************************************************/
1565
1566	BOOL HMSetFileTime (HANDLE hFile,
1567	const FILETIME *pFT1,
1568	const FILETIME *pFT2,
1569	const FILETIME *pFT3)
1570	{
1571	int iIndex; /* index into the handle table */
1572	BOOL bResult; /* result from the device handler's API */
1573	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1574
1575	/* validate handle */
1576	iIndex = _HMHandleQuery(hFile); /* get the index */
1577	if (-1 == iIndex) /* error ? */
1578	{
1579	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1580	return FALSE; /* signal failure */
1581	}
1582
1583	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1584	bResult = pHMHandle->pDeviceHandler->SetFileTime(&pHMHandle->hmHandleData,
1585	(LPFILETIME)pFT1,
1586	(LPFILETIME)pFT2,
1587	(LPFILETIME)pFT3);
1588
1589	return (bResult); /* deliver return code */
1590	}
1591
1592	/*****************************************************************************
1593	* Name : HMDeviceHandler::GetFileTime
1594	* Purpose : router function for SetFileTime
1595	* Parameters:
1596	* Variables :
1597	* Result :
1598	* Remark :
1599	* Status :
1600	*
1601	* Author : SvL
1602	*****************************************************************************/
1603
1604	BOOL HMGetFileTime (HANDLE hFile,
1605	const FILETIME *pFT1,
1606	const FILETIME *pFT2,
1607	const FILETIME *pFT3)
1608	{
1609	int iIndex; /* index into the handle table */
1610	BOOL bResult; /* result from the device handler's API */
1611	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1612
1613	/* validate handle */
1614	iIndex = _HMHandleQuery(hFile); /* get the index */
1615	if (-1 == iIndex) /* error ? */
1616	{
1617	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1618	return FALSE; /* signal failure */
1619	}
1620
1621	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1622	bResult = pHMHandle->pDeviceHandler->GetFileTime(&pHMHandle->hmHandleData,
1623	(LPFILETIME)pFT1,
1624	(LPFILETIME)pFT2,
1625	(LPFILETIME)pFT3);
1626
1627	return (bResult); /* deliver return code */
1628	}
1629
1630
1631	/*****************************************************************************
1632	* Name : HMDeviceHandler::GetFileSize
1633	* Purpose : router function for GetFileSize
1634	* Parameters:
1635	* Variables :
1636	* Result :
1637	* Remark :
1638	* Status :
1639	*
1640	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1641	*****************************************************************************/
1642
1643	DWORD HMGetFileSize (HANDLE hFile,
1644	PDWORD pSize)
1645	{
1646	int iIndex; /* index into the handle table */
1647	DWORD dwResult; /* result from the device handler's API */
1648	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1649
1650	/* validate handle */
1651	iIndex = _HMHandleQuery(hFile); /* get the index */
1652	if (-1 == iIndex) /* error ? */
1653	{
1654	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1655	return (INVALID_HANDLE_ERROR); /* signal failure */
1656	}
1657
1658	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1659	dwResult = pHMHandle->pDeviceHandler->GetFileSize(&pHMHandle->hmHandleData,
1660	pSize);
1661
1662	return (dwResult); /* deliver return code */
1663	}
1664
1665
1666	/*****************************************************************************
1667	* Name : HMDeviceHandler::SetFilePointer
1668	* Purpose : router function for SetFilePointer
1669	* Parameters:
1670	* Variables :
1671	* Result :
1672	* Remark :
1673	* Status :
1674	*
1675	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1676	*****************************************************************************/
1677
1678	DWORD HMSetFilePointer (HANDLE hFile,
1679	LONG lDistanceToMove,
1680	PLONG lpDistanceToMoveHigh,
1681	DWORD dwMoveMethod)
1682	{
1683	int iIndex; /* index into the handle table */
1684	DWORD dwResult; /* result from the device handler's API */
1685	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1686
1687	/* validate handle */
1688	iIndex = _HMHandleQuery(hFile); /* get the index */
1689	if (-1 == iIndex) /* error ? */
1690	{
1691	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1692	return (INVALID_HANDLE_ERROR); /* signal failure */
1693	}
1694
1695	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1696	dwResult = pHMHandle->pDeviceHandler->SetFilePointer(&pHMHandle->hmHandleData,
1697	lDistanceToMove,
1698	lpDistanceToMoveHigh,
1699	dwMoveMethod);
1700
1701	return (dwResult); /* deliver return code */
1702	}
1703
1704
1705	/*****************************************************************************
1706	* Name : HMDeviceHandler::LockFile
1707	* Purpose : router function for LockFile
1708	* Parameters:
1709	* Variables :
1710	* Result :
1711	* Remark :
1712	* Status :
1713	*
1714	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1715	*****************************************************************************/
1716
1717	BOOL HMLockFile (HFILE hFile,
1718	DWORD arg2,
1719	DWORD arg3,
1720	DWORD arg4,
1721	DWORD arg5)
1722	{
1723	int iIndex; /* index into the handle table */
1724	DWORD dwResult; /* result from the device handler's API */
1725	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1726
1727	/* validate handle */
1728	iIndex = _HMHandleQuery(hFile); /* get the index */
1729	if (-1 == iIndex) /* error ? */
1730	{
1731	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1732	return FALSE; /* signal failure */
1733	}
1734
1735	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1736	dwResult = pHMHandle->pDeviceHandler->LockFile(&pHMHandle->hmHandleData,
1737	arg2,
1738	arg3,
1739	arg4,
1740	arg5);
1741
1742	return (dwResult); /* deliver return code */
1743	}
1744
1745
1746	/*****************************************************************************
1747	* Name : HMDeviceHandler::LockFileEx
1748	* Purpose : router function for LockFileEx
1749	* Parameters:
1750	* Variables :
1751	* Result :
1752	* Remark :
1753	* Status :
1754	*
1755	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1756	*****************************************************************************/
1757
1758	BOOL HMLockFileEx(HANDLE hFile,
1759	DWORD dwFlags,
1760	DWORD dwReserved,
1761	DWORD nNumberOfBytesToLockLow,
1762	DWORD nNumberOfBytesToLockHigh,
1763	LPOVERLAPPED lpOverlapped)
1764	{
1765	int iIndex; /* index into the handle table */
1766	DWORD dwResult; /* result from the device handler's API */
1767	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1768
1769	/* validate handle */
1770	iIndex = _HMHandleQuery(hFile); /* get the index */
1771	if (-1 == iIndex) /* error ? */
1772	{
1773	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1774	return FALSE; /* signal failure */
1775	}
1776
1777	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1778	dwResult = pHMHandle->pDeviceHandler->LockFileEx(&pHMHandle->hmHandleData,
1779	dwFlags,
1780	dwReserved,
1781	nNumberOfBytesToLockLow,
1782	nNumberOfBytesToLockHigh,
1783	lpOverlapped);
1784
1785	return (dwResult); /* deliver return code */
1786	}
1787
1788
1789
1790	/*****************************************************************************
1791	* Name : HMDeviceHandler::UnlockFile
1792	* Purpose : router function for UnlockFile
1793	* Parameters:
1794	* Variables :
1795	* Result :
1796	* Remark :
1797	* Status :
1798	*
1799	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1800	*****************************************************************************/
1801
1802	BOOL HMUnlockFile (HFILE hFile,
1803	DWORD arg2,
1804	DWORD arg3,
1805	DWORD arg4,
1806	DWORD arg5)
1807	{
1808	int iIndex; /* index into the handle table */
1809	DWORD dwResult; /* result from the device handler's API */
1810	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1811
1812	/* validate handle */
1813	iIndex = _HMHandleQuery(hFile); /* get the index */
1814	if (-1 == iIndex) /* error ? */
1815	{
1816	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1817	return FALSE; /* signal failure */
1818	}
1819
1820	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1821	dwResult = pHMHandle->pDeviceHandler->UnlockFile(&pHMHandle->hmHandleData,
1822	arg2,
1823	arg3,
1824	arg4,
1825	arg5);
1826
1827	return (dwResult); /* deliver return code */
1828	}
1829
1830
1831	/*****************************************************************************
1832	* Name : HMDeviceHandler::UnlockFileEx
1833	* Purpose : router function for UnlockFileEx
1834	* Parameters:
1835	* Variables :
1836	* Result :
1837	* Remark :
1838	* Status :
1839	*
1840	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1841	*****************************************************************************/
1842
1843	BOOL HMUnlockFileEx(HANDLE hFile,
1844	DWORD dwReserved,
1845	DWORD nNumberOfBytesToLockLow,
1846	DWORD nNumberOfBytesToLockHigh,
1847	LPOVERLAPPED lpOverlapped)
1848	{
1849	int iIndex; /* index into the handle table */
1850	DWORD dwResult; /* result from the device handler's API */
1851	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1852
1853	/* validate handle */
1854	iIndex = _HMHandleQuery(hFile); /* get the index */
1855	if (-1 == iIndex) /* error ? */
1856	{
1857	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1858	return FALSE; /* signal failure */
1859	}
1860
1861	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1862	dwResult = pHMHandle->pDeviceHandler->UnlockFileEx(&pHMHandle->hmHandleData,
1863	dwReserved,
1864	nNumberOfBytesToLockLow,
1865	nNumberOfBytesToLockHigh,
1866	lpOverlapped);
1867
1868	return (dwResult); /* deliver return code */
1869	}
1870
1871
1872	/*****************************************************************************
1873	* Name : HMDeviceHandler::WaitForSingleObject
1874	* Purpose : router function for WaitForSingleObject
1875	* Parameters:
1876	* Variables :
1877	* Result :
1878	* Remark :
1879	* Status :
1880	*
1881	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1882	*****************************************************************************/
1883
1884	DWORD HMWaitForSingleObject(HANDLE hObject,
1885	DWORD dwTimeout)
1886	{
1887	int iIndex; /* index into the handle table */
1888	DWORD dwResult; /* result from the device handler's API */
1889	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1890
1891	/* validate handle */
1892	iIndex = _HMHandleQuery(hObject); /* get the index */
1893	if (-1 == iIndex) /* error ? */
1894	{
1895	dprintf(("KERNEL32: HandleManager:HMWaitForSingleObject(%08xh) passed on to Open32.\n",
1896	hObject));
1897
1898	if(dwTimeout == INFINITE) {
1899	//Workaround for applications that block the PM input queue
1900	//while waiting for a child process to terminate.
1901	//(WaitSingleObject now calls MsgWaitMultipleObjects and
1902	// processes messages while waiting for the process to die)
1903	//(Napster install now doesn't block PM anymore (forcing a reboot))
1904
1905	HMODULE hUser32 = LoadLibraryA("USER32.DLL");
1906
1907	BOOL (* WINAPI pfnPeekMessageA)(LPMSG,HWND,UINT,UINT,UINT);
1908	LONG (* WINAPI pfnDispatchMessageA)(const MSG*);
1909
1910	(FARPROC )&pfnPeekMessageA = GetProcAddress(hUser32,"PeekMessageA");
1911	(FARPROC )&pfnDispatchMessageA = GetProcAddress(hUser32,"DispatchMessageA");
1912
1913	TEB *teb = GetThreadTEB();
1914
1915	if(!teb \|\| !pfnPeekMessageA \|\| !pfnDispatchMessageA) {
1916	dprintf(("ERROR: !teb \|\| !pfnPeekMessageA \|\| !pfnDispatchMessageA"));
1917	DebugInt3();
1918	return WAIT_FAILED;
1919	}
1920
1921	//TODO: Ignoring all messages could be dangerous. But processing them,
1922	//while the app doesn't expect any, isn't safe either.
1923	//-> must active check in pmwindow.cpp if this is enabled again!
1924	// teb->o.odin.fIgnoreMsgs = TRUE;
1925
1926	while(TRUE) {
1927	dwResult = HMMsgWaitForMultipleObjects(1, &hObject, FALSE,
1928	INFINITE, QS_ALLINPUT);
1929	if(dwResult == WAIT_OBJECT_0 + 1) {
1930	MSG msg ;
1931
1932	while (pfnPeekMessageA(&msg, NULL, 0, 0, PM_REMOVE))
1933	{
1934	if (msg.message == WM_QUIT) {
1935	dprintf(("ERROR: WaitForSingleObject call abandoned because WM_QUIT msg was received!!"));
1936	// teb->o.odin.fIgnoreMsgs = FALSE;
1937	FreeLibrary(hUser32);
1938	return WAIT_ABANDONED;
1939	}
1940
1941	/* otherwise dispatch it */
1942	pfnDispatchMessageA(&msg);
1943
1944	} // end of PeekMessage while loop
1945	}
1946	else {
1947	dprintf(("WaitForSingleObject: Process %x terminated", hObject));
1948	break;
1949	}
1950	}
1951	// teb->o.odin.fIgnoreMsgs = FALSE;
1952	FreeLibrary(hUser32);
1953	return dwResult;
1954	}
1955	else {
1956	// maybe handles from CreateProcess() ...
1957	dwResult = O32_WaitForSingleObject(hObject, dwTimeout);
1958	return (dwResult);
1959	}
1960	}
1961
1962	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1963	dwResult = pHMHandle->pDeviceHandler->WaitForSingleObject(&pHMHandle->hmHandleData,
1964	dwTimeout);
1965
1966	return (dwResult); /* deliver return code */
1967	}
1968
1969
1970	/*****************************************************************************
1971	* Name : HMDeviceHandler::WaitForSingleObjectEx
1972	* Purpose : router function for WaitForSingleObjectEx
1973	* Parameters:
1974	* Variables :
1975	* Result :
1976	* Remark :
1977	* Status :
1978	*
1979	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1980	*****************************************************************************/
1981
1982	DWORD HMWaitForSingleObjectEx(HANDLE hObject,
1983	DWORD dwTimeout,
1984	BOOL fAlertable)
1985	{
1986	int iIndex; /* index into the handle table */
1987	DWORD dwResult; /* result from the device handler's API */
1988	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1989
1990	/* validate handle */
1991	iIndex = _HMHandleQuery(hObject); /* get the index */
1992	if (-1 == iIndex) /* error ? */
1993	{
1994	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1995	return WAIT_FAILED; /* signal failure */
1996	}
1997
1998	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1999	dwResult = pHMHandle->pDeviceHandler->WaitForSingleObjectEx(&pHMHandle->hmHandleData,
2000	dwTimeout,
2001	fAlertable);
2002
2003	return (dwResult); /* deliver return code */
2004	}
2005
2006
2007	/*****************************************************************************
2008	* Name : HMDeviceHandler::FlushFileBuffers
2009	* Purpose : router function for FlushFileBuffers
2010	* Parameters:
2011	* Variables :
2012	* Result :
2013	* Remark :
2014	* Status :
2015	*
2016	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2017	*****************************************************************************/
2018
2019	BOOL HMFlushFileBuffers(HANDLE hFile)
2020	{
2021	int iIndex; /* index into the handle table */
2022	DWORD dwResult; /* result from the device handler's API */
2023	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2024
2025	/* validate handle */
2026	iIndex = _HMHandleQuery(hFile); /* get the index */
2027	if (-1 == iIndex) /* error ? */
2028	{
2029	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2030	return FALSE; /* signal failure */
2031	}
2032
2033	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2034	dwResult = pHMHandle->pDeviceHandler->FlushFileBuffers(&pHMHandle->hmHandleData);
2035
2036	return (dwResult); /* deliver return code */
2037	}
2038
2039
2040	/*****************************************************************************
2041	* Name : HMDeviceHandler::GetOverlappedResult
2042	* Purpose : router function for GetOverlappedResult
2043	* Parameters:
2044	* Variables :
2045	* Result :
2046	* Remark :
2047	* Status :
2048	*
2049	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2050	*****************************************************************************/
2051
2052	BOOL HMGetOverlappedResult(HANDLE hObject,
2053	LPOVERLAPPED lpOverlapped,
2054	LPDWORD arg3,
2055	BOOL arg4)
2056	{
2057	int iIndex; /* index into the handle table */
2058	DWORD dwResult; /* result from the device handler's API */
2059	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2060
2061	/* validate handle */
2062	iIndex = _HMHandleQuery(hObject); /* get the index */
2063	if (-1 == iIndex) /* error ? */
2064	{
2065	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2066	return FALSE; /* signal failure */
2067	}
2068
2069	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2070	dwResult = pHMHandle->pDeviceHandler->GetOverlappedResult(&pHMHandle->hmHandleData,
2071	lpOverlapped,
2072	arg3,
2073	arg4);
2074
2075	return (dwResult); /* deliver return code */
2076	}
2077
2078
2079	/*****************************************************************************
2080	* Name : HMReleaseMutex
2081	* Purpose : router function for ReleaseMutex
2082	* Parameters:
2083	* Variables :
2084	* Result :
2085	* Remark :
2086	* Status :
2087	*
2088	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2089	*****************************************************************************/
2090
2091	BOOL HMReleaseMutex(HANDLE hObject)
2092	{
2093	int iIndex; /* index into the handle table */
2094	DWORD dwResult; /* result from the device handler's API */
2095	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2096
2097	/* validate handle */
2098	iIndex = _HMHandleQuery(hObject); /* get the index */
2099	if (-1 == iIndex) /* error ? */
2100	{
2101	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2102	return FALSE; /* signal failure */
2103	}
2104
2105	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2106	dwResult = pHMHandle->pDeviceHandler->ReleaseMutex(&pHMHandle->hmHandleData);
2107
2108	return (dwResult); /* deliver return code */
2109	}
2110
2111
2112	/*****************************************************************************
2113	* Name : HMSetEvent
2114	* Purpose : router function for SetEvent
2115	* Parameters:
2116	* Variables :
2117	* Result :
2118	* Remark :
2119	* Status :
2120	*
2121	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2122	*****************************************************************************/
2123
2124	BOOL HMSetEvent(HANDLE hEvent)
2125	{
2126	int iIndex; /* index into the handle table */
2127	DWORD dwResult; /* result from the device handler's API */
2128	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2129
2130	/* validate handle */
2131	iIndex = _HMHandleQuery(hEvent); /* get the index */
2132	if (-1 == iIndex) /* error ? */
2133	{
2134	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2135	return FALSE; /* signal failure */
2136	}
2137
2138	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2139	dwResult = pHMHandle->pDeviceHandler->SetEvent(&pHMHandle->hmHandleData);
2140
2141	return (dwResult); /* deliver return code */
2142	}
2143
2144
2145	/*****************************************************************************
2146	* Name : HMPulseEvent
2147	* Purpose : router function for PulseEvent
2148	* Parameters:
2149	* Variables :
2150	* Result :
2151	* Remark :
2152	* Status :
2153	*
2154	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2155	*****************************************************************************/
2156
2157	BOOL HMPulseEvent(HANDLE hEvent)
2158	{
2159	int iIndex; /* index into the handle table */
2160	DWORD dwResult; /* result from the device handler's API */
2161	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2162
2163	/* validate handle */
2164	iIndex = _HMHandleQuery(hEvent); /* get the index */
2165	if (-1 == iIndex) /* error ? */
2166	{
2167	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2168	return FALSE; /* signal failure */
2169	}
2170
2171	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2172	dwResult = pHMHandle->pDeviceHandler->PulseEvent(&pHMHandle->hmHandleData);
2173
2174	return (dwResult); /* deliver return code */
2175	}
2176
2177
2178	/*****************************************************************************
2179	* Name : HMResetEvent
2180	* Purpose : router function for ResetEvent
2181	* Parameters:
2182	* Variables :
2183	* Result :
2184	* Remark :
2185	* Status :
2186	*
2187	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2188	*****************************************************************************/
2189
2190	BOOL HMResetEvent(HANDLE hEvent)
2191	{
2192	int iIndex; /* index into the handle table */
2193	DWORD dwResult; /* result from the device handler's API */
2194	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2195
2196	/* validate handle */
2197	iIndex = _HMHandleQuery(hEvent); /* get the index */
2198	if (-1 == iIndex) /* error ? */
2199	{
2200	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2201	return FALSE; /* signal failure */
2202	}
2203
2204	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2205	dwResult = pHMHandle->pDeviceHandler->ResetEvent(&pHMHandle->hmHandleData);
2206
2207	return (dwResult); /* deliver return code */
2208	}
2209
2210
2211	/*****************************************************************************
2212	* Name : HANDLE HMCreateEvent
2213	* Purpose : Wrapper for the CreateEvent() API
2214	* Parameters:
2215	* Variables :
2216	* Result :
2217	* Remark :
2218	* Status :
2219	*
2220	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2221	*****************************************************************************/
2222
2223	HANDLE HMCreateEvent(LPSECURITY_ATTRIBUTES lpsa,
2224	BOOL bManualReset,
2225	BOOL bInitialState,
2226	LPCTSTR lpName)
2227	{
2228	int iIndex; /* index into the handle table */
2229	int iIndexNew; /* index into the handle table */
2230	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2231	PHMHANDLEDATA pHMHandleData;
2232	DWORD rc; /* API return code */
2233
2234
2235	if(lpName) { //check if shared event semaphore already exists
2236	//TODO: No inheritance??
2237	HANDLE handle = HMOpenEvent(EVENT_ALL_ACCESS, FALSE, lpName);
2238	if(handle) {
2239	dprintf(("CreateEvent: return handle of existing event semaphore %x", handle));
2240	SetLastError(ERROR_ALREADY_EXISTS);
2241	return handle;
2242	}
2243	}
2244
2245	pDeviceHandler = HMGlobals.pHMEvent; /* device is predefined */
2246
2247	iIndexNew = _HMHandleGetFree(); /* get free handle */
2248	if (-1 == iIndexNew) /* oops, no free handles ! */
2249	{
2250	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2251	return 0; /* signal error */
2252	}
2253
2254	/* Initialize the complete HMHANDLEDATA structure */
2255	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2256	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2257	pHMHandleData->dwAccess = 0;
2258	pHMHandleData->dwShare = 0;
2259	pHMHandleData->dwCreation = 0;
2260	pHMHandleData->dwFlags = 0;
2261	pHMHandleData->lpHandlerData = NULL;
2262
2263	/* we've got to mark the handle as occupied here, since another device */
2264	/* could be created within the device handler -> deadlock */
2265
2266	/* write appropriate entry into the handle table if open succeeded */
2267	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2268	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2269
2270	/* call the device handler */
2271	rc = pDeviceHandler->CreateEvent(&TabWin32Handles[iIndexNew].hmHandleData,
2272	lpsa,
2273	bManualReset,
2274	bInitialState,
2275	lpName);
2276	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2277	{
2278	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2279	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2280	return 0; /* signal error */
2281	}
2282	else
2283	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2284
2285	return iIndexNew; /* return valid handle */
2286	}
2287
2288
2289	/*****************************************************************************
2290	* Name : HANDLE HMCreateMutex
2291	* Purpose : Wrapper for the CreateMutex() API
2292	* Parameters:
2293	* Variables :
2294	* Result :
2295	* Remark :
2296	* Status :
2297	*
2298	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2299	*****************************************************************************/
2300
2301	HANDLE HMCreateMutex(LPSECURITY_ATTRIBUTES lpsa,
2302	BOOL bInitialOwner,
2303	LPCTSTR lpName)
2304	{
2305	int iIndex; /* index into the handle table */
2306	int iIndexNew; /* index into the handle table */
2307	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2308	PHMHANDLEDATA pHMHandleData;
2309	DWORD rc; /* API return code */
2310
2311
2312	if(lpName) { //check if shared mutex semaphore already exists
2313	//TODO: No inheritance??
2314	HANDLE handle = HMOpenMutex(MUTEX_ALL_ACCESS, FALSE, lpName);
2315	if(handle) {
2316	dprintf(("CreateMutex: return handle of existing mutex semaphore %x", handle));
2317	SetLastError(ERROR_ALREADY_EXISTS);
2318	return handle;
2319	}
2320	}
2321
2322	pDeviceHandler = HMGlobals.pHMMutex; /* device is predefined */
2323
2324	iIndexNew = _HMHandleGetFree(); /* get free handle */
2325	if (-1 == iIndexNew) /* oops, no free handles ! */
2326	{
2327	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2328	return 0; /* signal error */
2329	}
2330
2331
2332	/* initialize the complete HMHANDLEDATA structure */
2333	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2334	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2335	pHMHandleData->dwAccess = 0;
2336	pHMHandleData->dwShare = 0;
2337	pHMHandleData->dwCreation = 0;
2338	pHMHandleData->dwFlags = 0;
2339	pHMHandleData->lpHandlerData = NULL;
2340
2341
2342	/* we've got to mark the handle as occupied here, since another device */
2343	/* could be created within the device handler -> deadlock */
2344
2345	/* write appropriate entry into the handle table if open succeeded */
2346	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2347	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2348
2349	/* call the device handler */
2350	rc = pDeviceHandler->CreateMutex(&TabWin32Handles[iIndexNew].hmHandleData,
2351	lpsa,
2352	bInitialOwner,
2353	lpName);
2354	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2355	{
2356	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2357	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2358	return 0; /* signal error */
2359	}
2360	else
2361	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2362
2363	return iIndexNew; /* return valid handle */
2364	}
2365
2366
2367	/*****************************************************************************
2368	* Name : HANDLE HMOpenEvent
2369	* Purpose : Wrapper for the OpenEvent() API
2370	* Parameters:
2371	* Variables :
2372	* Result :
2373	* Remark :
2374	* Status :
2375	*
2376	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2377	*****************************************************************************/
2378
2379	HANDLE HMOpenEvent(DWORD fdwAccess,
2380	BOOL fInherit,
2381	LPCTSTR lpName)
2382	{
2383	int iIndex; /* index into the handle table */
2384	int iIndexNew; /* index into the handle table */
2385	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2386	PHMHANDLEDATA pHMHandleData;
2387	DWORD rc; /* API return code */
2388
2389
2390	pDeviceHandler = HMGlobals.pHMEvent; /* device is predefined */
2391
2392	iIndexNew = _HMHandleGetFree(); /* get free handle */
2393	if (-1 == iIndexNew) /* oops, no free handles ! */
2394	{
2395	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2396	return 0; /* signal error */
2397	}
2398
2399
2400	/* initialize the complete HMHANDLEDATA structure */
2401	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2402	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2403	pHMHandleData->dwAccess = fdwAccess;
2404	pHMHandleData->dwShare = 0;
2405	pHMHandleData->dwCreation = 0;
2406	pHMHandleData->dwFlags = 0;
2407	pHMHandleData->lpHandlerData = NULL;
2408
2409
2410	/* we've got to mark the handle as occupied here, since another device */
2411	/* could be created within the device handler -> deadlock */
2412
2413	/* write appropriate entry into the handle table if open succeeded */
2414	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2415	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2416
2417	/* call the device handler */
2418	rc = pDeviceHandler->OpenEvent(&TabWin32Handles[iIndexNew].hmHandleData,
2419	fInherit,
2420	lpName);
2421	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2422	{
2423	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2424	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2425	return 0; /* signal error */
2426	}
2427	else
2428	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2429
2430	return iIndexNew; /* return valid handle */
2431	}
2432
2433
2434	/*****************************************************************************
2435	* Name : HANDLE HMOpenMutex
2436	* Purpose : Wrapper for the OpenMutex() API
2437	* Parameters:
2438	* Variables :
2439	* Result :
2440	* Remark :
2441	* Status :
2442	*
2443	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2444	*****************************************************************************/
2445
2446	HANDLE HMOpenMutex(DWORD fdwAccess,
2447	BOOL fInherit,
2448	LPCTSTR lpName)
2449	{
2450	int iIndex; /* index into the handle table */
2451	int iIndexNew; /* index into the handle table */
2452	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2453	PHMHANDLEDATA pHMHandleData;
2454	DWORD rc; /* API return code */
2455
2456
2457	pDeviceHandler = HMGlobals.pHMMutex; /* device is predefined */
2458
2459	iIndexNew = _HMHandleGetFree(); /* get free handle */
2460	if (-1 == iIndexNew) /* oops, no free handles ! */
2461	{
2462	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2463	return 0; /* signal error */
2464	}
2465
2466
2467	/* initialize the complete HMHANDLEDATA structure */
2468	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2469	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2470	pHMHandleData->dwAccess = fdwAccess;
2471	pHMHandleData->dwShare = 0;
2472	pHMHandleData->dwCreation = 0;
2473	pHMHandleData->dwFlags = 0;
2474	pHMHandleData->lpHandlerData = NULL;
2475
2476
2477	/* we've got to mark the handle as occupied here, since another device */
2478	/* could be created within the device handler -> deadlock */
2479
2480	/* write appropriate entry into the handle table if open succeeded */
2481	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2482	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2483
2484	/* call the device handler */
2485	rc = pDeviceHandler->OpenMutex(&TabWin32Handles[iIndexNew].hmHandleData,
2486	fInherit,
2487	lpName);
2488	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2489	{
2490	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2491	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2492	return 0; /* signal error */
2493	}
2494	else
2495	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2496
2497	return iIndexNew; /* return valid handle */
2498	}
2499
2500
2501	/*****************************************************************************
2502	* Name : HANDLE HMCreateSemaphore
2503	* Purpose : Wrapper for the CreateSemaphore() API
2504	* Parameters:
2505	* Variables :
2506	* Result :
2507	* Remark :
2508	* Status :
2509	*
2510	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2511	*****************************************************************************/
2512
2513	HANDLE HMCreateSemaphore(LPSECURITY_ATTRIBUTES lpsa,
2514	LONG lInitialCount,
2515	LONG lMaximumCount,
2516	LPCTSTR lpName)
2517	{
2518	int iIndex; /* index into the handle table */
2519	int iIndexNew; /* index into the handle table */
2520	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2521	PHMHANDLEDATA pHMHandleData;
2522	DWORD rc; /* API return code */
2523
2524	if(lpName) { //check if shared event semaphore already exists
2525	//TODO: No inheritance??
2526	HANDLE handle = HMOpenSemaphore(SEMAPHORE_ALL_ACCESS, FALSE, lpName);
2527	if(handle) {
2528	dprintf(("CreateSemaphore: return handle of existing semaphore %x", handle));
2529	SetLastError(ERROR_ALREADY_EXISTS);
2530	return handle;
2531	}
2532	}
2533
2534	pDeviceHandler = HMGlobals.pHMSemaphore; /* device is predefined */
2535
2536	iIndexNew = _HMHandleGetFree(); /* get free handle */
2537	if (-1 == iIndexNew) /* oops, no free handles ! */
2538	{
2539	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2540	return 0; /* signal error */
2541	}
2542
2543
2544	/* initialize the complete HMHANDLEDATA structure */
2545	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2546	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2547	pHMHandleData->dwAccess = 0;
2548	pHMHandleData->dwShare = 0;
2549	pHMHandleData->dwCreation = 0;
2550	pHMHandleData->dwFlags = 0;
2551	pHMHandleData->lpHandlerData = NULL;
2552
2553
2554	/* we've got to mark the handle as occupied here, since another device */
2555	/* could be created within the device handler -> deadlock */
2556
2557	/* write appropriate entry into the handle table if open succeeded */
2558	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2559	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2560
2561	/* call the device handler */
2562	rc = pDeviceHandler->CreateSemaphore(&TabWin32Handles[iIndexNew].hmHandleData,
2563	lpsa,
2564	lInitialCount,
2565	lMaximumCount,
2566	lpName);
2567	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2568	{
2569	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2570	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2571	return 0; /* signal failure */
2572	}
2573	else
2574	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2575
2576	return iIndexNew; /* return valid handle */
2577	}
2578
2579
2580	/*****************************************************************************
2581	* Name : HANDLE HMOpenSemaphore
2582	* Purpose : Wrapper for the OpenSemaphore() API
2583	* Parameters:
2584	* Variables :
2585	* Result :
2586	* Remark :
2587	* Status :
2588	*
2589	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2590	*****************************************************************************/
2591
2592	HANDLE HMOpenSemaphore(DWORD fdwAccess,
2593	BOOL fInherit,
2594	LPCTSTR lpName)
2595	{
2596	int iIndex; /* index into the handle table */
2597	int iIndexNew; /* index into the handle table */
2598	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2599	PHMHANDLEDATA pHMHandleData;
2600	DWORD rc; /* API return code */
2601
2602
2603	pDeviceHandler = HMGlobals.pHMSemaphore; /* device is predefined */
2604
2605	iIndexNew = _HMHandleGetFree(); /* get free handle */
2606	if (-1 == iIndexNew) /* oops, no free handles ! */
2607	{
2608	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2609	return 0; /* signal error */
2610	}
2611
2612
2613	/* initialize the complete HMHANDLEDATA structure */
2614	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2615	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2616	pHMHandleData->dwAccess = fdwAccess;
2617	pHMHandleData->dwShare = 0;
2618	pHMHandleData->dwCreation = 0;
2619	pHMHandleData->dwFlags = 0;
2620	pHMHandleData->lpHandlerData = NULL;
2621
2622
2623	/* we've got to mark the handle as occupied here, since another device */
2624	/* could be created within the device handler -> deadlock */
2625
2626	/* write appropriate entry into the handle table if open succeeded */
2627	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2628	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2629
2630	/* call the device handler */
2631	rc = pDeviceHandler->OpenSemaphore(&TabWin32Handles[iIndexNew].hmHandleData,
2632	fInherit,
2633	lpName);
2634	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2635	{
2636	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2637	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2638	return 0; /* signal failure */
2639	}
2640	else
2641	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2642
2643	return iIndexNew; /* return valid handle */
2644	}
2645
2646
2647	/*****************************************************************************
2648	* Name : HMReleaseSemaphore
2649	* Purpose : router function for ReleaseSemaphore
2650	* Parameters:
2651	* Variables :
2652	* Result :
2653	* Remark :
2654	* Status :
2655	*
2656	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2657	*****************************************************************************/
2658
2659	BOOL HMReleaseSemaphore(HANDLE hEvent,
2660	LONG cReleaseCount,
2661	LPLONG lpPreviousCount)
2662	{
2663	int iIndex; /* index into the handle table */
2664	DWORD dwResult; /* result from the device handler's API */
2665	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2666
2667	/* validate handle */
2668	iIndex = _HMHandleQuery(hEvent); /* get the index */
2669	if (-1 == iIndex) /* error ? */
2670	{
2671	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2672	return 0; /* signal failure */
2673	}
2674	else
2675	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2676
2677	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2678	dwResult = pHMHandle->pDeviceHandler->ReleaseSemaphore(&pHMHandle->hmHandleData,
2679	cReleaseCount,
2680	lpPreviousCount);
2681
2682	return (dwResult); /* deliver return code */
2683	}
2684
2685
2686	/*****************************************************************************
2687	* Name : HANDLE HMCreateFileMapping
2688	* Purpose : Wrapper for the CreateFileMapping() API
2689	* Parameters:
2690	* Variables :
2691	* Result :
2692	* Remark :
2693	* Status :
2694	*
2695	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2696	*****************************************************************************/
2697
2698	HANDLE HMCreateFileMapping(HANDLE hFile,
2699	LPSECURITY_ATTRIBUTES lpFileMappingAttributes,
2700	DWORD flProtect,
2701	DWORD dwMaximumSizeHigh,
2702	DWORD dwMaximumSizeLow,
2703	LPCTSTR lpName)
2704	{
2705	int iIndex; /* index into the handle table */
2706	int iIndexNew; /* index into the handle table */
2707	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2708	PHMHANDLEDATA pHMHandleData;
2709	DWORD rc; /* API return code */
2710
2711	pDeviceHandler = HMGlobals.pHMFileMapping; /* device is predefined */
2712
2713	iIndexNew = _HMHandleGetFree(); /* get free handle */
2714	if (-1 == iIndexNew) /* oops, no free handles ! */
2715	{
2716	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2717	return 0; /* signal error */
2718	}
2719
2720	/* initialize the complete HMHANDLEDATA structure */
2721	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2722	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2723	pHMHandleData->dwAccess = 0;
2724	pHMHandleData->dwShare = 0;
2725	pHMHandleData->dwCreation = 0;
2726	pHMHandleData->dwFlags = 0;
2727	pHMHandleData->lpHandlerData = NULL;
2728
2729	/* we've got to mark the handle as occupied here, since another device */
2730	/* could be created within the device handler -> deadlock */
2731
2732	/* write appropriate entry into the handle table if open succeeded */
2733	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2734	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2735
2736	/* call the device handler */
2737
2738	// @@@PH: Note: hFile is a Win32-style handle, it's not (yet) converted to
2739	// a valid HandleManager-internal handle!
2740	rc = pDeviceHandler->CreateFileMapping(&TabWin32Handles[iIndexNew].hmHandleData,
2741	hFile,
2742	lpFileMappingAttributes,
2743	flProtect,
2744	dwMaximumSizeHigh,
2745	dwMaximumSizeLow,
2746	lpName);
2747
2748	if(rc != NO_ERROR) /* oops, creation failed within the device handler */
2749	{
2750	if(rc != ERROR_ALREADY_EXISTS) {
2751	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2752	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2753	return (NULL); /* signal error */
2754	}
2755	SetLastError(ERROR_ALREADY_EXISTS);
2756	return iIndexNew; /* return valid handle */
2757	}
2758	else
2759	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2760
2761	return iIndexNew; /* return valid handle */
2762	}
2763
2764
2765	/*****************************************************************************
2766	* Name : HANDLE HMOpenFileMapping
2767	* Purpose : Wrapper for the OpenFileMapping() API
2768	* Parameters:
2769	* Variables :
2770	* Result : HANDLE if succeeded,
2771	* NULL if failed.
2772	* Remark :
2773	* Status :
2774	*
2775	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2776	*****************************************************************************/
2777
2778	HANDLE HMOpenFileMapping(DWORD fdwAccess,
2779	BOOL fInherit,
2780	LPCTSTR lpName)
2781	{
2782	int iIndex; /* index into the handle table */
2783	int iIndexNew; /* index into the handle table */
2784	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2785	PHMHANDLEDATA pHMHandleData;
2786	DWORD rc; /* API return code */
2787
2788
2789	pDeviceHandler = HMGlobals.pHMFileMapping; /* device is predefined */
2790
2791	iIndexNew = _HMHandleGetFree(); /* get free handle */
2792	if (-1 == iIndexNew) /* oops, no free handles ! */
2793	{
2794	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2795	return (NULL); /* signal error */
2796	}
2797
2798	/* initialize the complete HMHANDLEDATA structure */
2799	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2800	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2801	pHMHandleData->dwAccess = fdwAccess;
2802	pHMHandleData->dwShare = 0;
2803	pHMHandleData->dwCreation = 0;
2804	pHMHandleData->dwFlags = 0;
2805	pHMHandleData->lpHandlerData = NULL;
2806
2807
2808	/* we've got to mark the handle as occupied here, since another device */
2809	/* could be created within the device handler -> deadlock */
2810
2811	/* write appropriate entry into the handle table if open succeeded */
2812	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2813	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2814
2815	/* call the device handler */
2816	rc = pDeviceHandler->OpenFileMapping(&TabWin32Handles[iIndexNew].hmHandleData,
2817	fdwAccess,
2818	fInherit,
2819	lpName);
2820	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2821	{
2822	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2823	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2824	return (NULL); /* signal error */
2825	}
2826	else
2827	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2828
2829	return iIndexNew; /* return valid handle */
2830	}
2831
2832
2833	/*****************************************************************************
2834	* Name : HMMapViewOfFileEx
2835	* Purpose : router function for MapViewOfFileEx
2836	* Parameters:
2837	* Variables :
2838	* Result :
2839	* Remark :
2840	* Status :
2841	*
2842	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2843	*****************************************************************************/
2844
2845	LPVOID HMMapViewOfFileEx(HANDLE hFileMappingObject,
2846	DWORD dwDesiredAccess,
2847	DWORD dwFileOffsetHigh,
2848	DWORD dwFileOffsetLow,
2849	DWORD dwNumberOfBytesToMap,
2850	LPVOID lpBaseAddress)
2851	{
2852	int iIndex; /* index into the handle table */
2853	LPVOID lpResult; /* result from the device handler's API */
2854	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2855
2856	/* validate handle */
2857	iIndex = _HMHandleQuery(hFileMappingObject); /* get the index */
2858	if (-1 == iIndex) /* error ? */
2859	{
2860	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2861	return (NULL); /* signal failure */
2862	}
2863
2864	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2865	lpResult = pHMHandle->pDeviceHandler->MapViewOfFileEx(&pHMHandle->hmHandleData,
2866	dwDesiredAccess,
2867	dwFileOffsetHigh,
2868	dwFileOffsetLow,
2869	dwNumberOfBytesToMap,
2870	lpBaseAddress);
2871
2872	return (lpResult); /* deliver return code */
2873	}
2874
2875	/*****************************************************************************
2876	* Name : HMWaitForMultipleObjects
2877	* Purpose : router function for WaitForMultipleObjects
2878	* Parameters:
2879	* Variables :
2880	* Result :
2881	* Remark :
2882	* Status :
2883	*
2884	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2885	*****************************************************************************/
2886
2887	DWORD HMWaitForMultipleObjects (DWORD cObjects,
2888	PHANDLE lphObjects,
2889	BOOL fWaitAll,
2890	DWORD dwTimeout)
2891	{
2892	#ifdef USE_OS2SEMAPHORES
2893	int iIndex; /* index into the handle table */
2894	DWORD dwResult; /* result from the device handler's API */
2895	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2896
2897	if(cObjects == 1) {
2898	return HMWaitForSingleObject(*lphObjects, dwTimeout);
2899	}
2900
2901	if(cObjects > MAXIMUM_WAIT_OBJECTS) {
2902	dprintf(("KERNEL32: HMWaitForMultipleObjects: Too many objects (%d)", cObjects));
2903	SetLastError(ERROR_INVALID_PARAMETER);
2904	return WAIT_FAILED;
2905	}
2906
2907	/* validate handle */
2908	iIndex = _HMHandleQuery(lphObjects); / get the index */
2909	if (-1 == iIndex) /* error ? */
2910	{//oh, oh. possible problem here
2911	//TODO: rewrite handling of other handles; don't forward to open32
2912	dprintf(("WANRING: HMWaitForMultipleObjects: unknown handle passed on to Open32 -> will not work if other handles are semaphores"));
2913	return O32_WaitForMultipleObjects(cObjects, lphObjects, fWaitAll, dwTimeout);
2914	}
2915
2916	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2917	dwResult = pHMHandle->pDeviceHandler->WaitForMultipleObjects(&pHMHandle->hmHandleData,
2918	cObjects, lphObjects, fWaitAll,
2919	dwTimeout);
2920
2921	return (dwResult); /* deliver return code */
2922	#else
2923	ULONG ulIndex;
2924	PHANDLE pArrayOfHandles;
2925	PHANDLE pLoop1 = lphObjects;
2926	PHANDLE pLoop2;
2927	DWORD rc;
2928
2929	// allocate array for handle table
2930	pArrayOfHandles = (PHANDLE)alloca(cObjects * sizeof(HANDLE));
2931	if (pArrayOfHandles == NULL)
2932	{
2933	dprintf(("ERROR: HMWaitForMultipleObjects: alloca failed to allocate %d handles", cObjects));
2934	O32_SetLastError(ERROR_NOT_ENOUGH_MEMORY);
2935	return WAIT_FAILED;
2936	}
2937	else
2938	pLoop2 = pArrayOfHandles;
2939
2940	// convert array to odin handles
2941	for (ulIndex = 0;
2942
2943	ulIndex < cObjects;
2944
2945	ulIndex++,
2946	pLoop1++,
2947	pLoop2++)
2948	{
2949	rc = HMHandleTranslateToOS2 (*pLoop1, // translate handle
2950	pLoop2);
2951
2952	dprintf(("KERNEL32: HMWaitForMultipleObjects: handle %3i: ODIN-%08xh, Open32-%08xh\n",
2953	ulIndex,
2954	*pLoop1,
2955	*pLoop2));
2956
2957	// @@@PH to imlpement: check handle type!
2958	// SvL: We still use Open32 handles for threads & processes -> don't fail here!
2959	if (rc != NO_ERROR)
2960	{
2961	dprintf(("KERNEL32: HMWaitForMultipleObjects - WARNING: handle %08xh is NOT an Odin handle (probably Open32 thread or process)\n",
2962	*pLoop1));
2963
2964	pLoop2 = pLoop1;
2965	//// O32_SetLastError(ERROR_INVALID_HANDLE);
2966	//// return (WAIT_FAILED);
2967	}
2968	}
2969
2970	// OK, now forward to Open32.
2971	// @@@PH: Note this will fail on handles that do NOT belong to Open32
2972	// but to i.e. the console subsystem!
2973	rc = O32_WaitForMultipleObjects(cObjects,
2974	pArrayOfHandles,
2975	fWaitAll,
2976	dwTimeout);
2977
2978	return (rc); // OK, done
2979	#endif
2980	}
2981
2982
2983	/*****************************************************************************
2984	* Name : HMWaitForMultipleObjectsEx
2985	* Purpose : router function for WaitForMultipleObjectsEx
2986	* Parameters:
2987	* Variables :
2988	* Result :
2989	* Remark :
2990	* Status :
2991	*
2992	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2993	*****************************************************************************/
2994
2995	DWORD HMWaitForMultipleObjectsEx (DWORD cObjects,
2996	PHANDLE lphObjects,
2997	BOOL fWaitAll,
2998	DWORD dwTimeout,
2999	BOOL fAlertable)
3000	{
3001	// @@@PH: Note: fAlertable is ignored !
3002	return (HMWaitForMultipleObjects(cObjects,
3003	lphObjects,
3004	fWaitAll,
3005	dwTimeout));
3006	}
3007
3008	/*****************************************************************************
3009	* Name : HMMsgWaitForMultipleObjects
3010	* Purpose : router function for MsgWaitForMultipleObjects
3011	* Parameters:
3012	* Variables :
3013	* Result :
3014	* Remark : Open32 doesn't implement this properly! (doesn't check dwWakeMask)
3015	* Status :
3016	*
3017	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
3018	*****************************************************************************/
3019
3020	DWORD HMMsgWaitForMultipleObjects (DWORD cObjects,
3021	LPHANDLE lphObjects,
3022	BOOL fWaitAll,
3023	DWORD dwTimeout,
3024	DWORD dwWakeMask)
3025	{
3026	#ifdef USE_OS2SEMAPHORES
3027	int iIndex; /* index into the handle table */
3028	DWORD dwResult; /* result from the device handler's API */
3029	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3030
3031
3032	if(dwWakeMask == 0) {
3033	dprintf(("WARNING: wakemask == 0 -> calling WaitForMultipleObjects"));
3034	return HMWaitForMultipleObjects(cObjects, lphObjects, fWaitAll, dwTimeout);
3035	}
3036	/* validate handle */
3037	iIndex = _HMHandleQuery(lphObjects); / get the index */
3038	if (-1 == iIndex) /* error ? */
3039	{//oh, oh. possible problem here
3040	//TODO: rewrite handling of other handles; don't forward to open32
3041	dprintf(("WANRING: HMWaitForMultipleObjects: unknown handle passed on to Open32 -> will not work if other handles are semaphores"));
3042	return O32_MsgWaitForMultipleObjects(cObjects, lphObjects, fWaitAll, dwTimeout, dwWakeMask);
3043	}
3044
3045	if(cObjects > MAXIMUM_WAIT_OBJECTS) {
3046	dprintf(("KERNEL32: HMMsgWaitForMultipleObjects: Too many objects (%d)", cObjects));
3047	SetLastError(ERROR_INVALID_PARAMETER);
3048	return WAIT_FAILED;
3049	}
3050
3051	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3052	dwResult = pHMHandle->pDeviceHandler->MsgWaitForMultipleObjects(&pHMHandle->hmHandleData,
3053	cObjects, lphObjects, fWaitAll,
3054	dwTimeout, dwWakeMask);
3055
3056	return (dwResult); /* deliver return code */
3057	#else
3058	ULONG ulIndex;
3059	PHANDLE pArrayOfHandles;
3060	PHANDLE pLoop1 = lphObjects;
3061	PHANDLE pLoop2;
3062	DWORD rc;
3063
3064	// allocate array for handle table
3065	pArrayOfHandles = (PHANDLE)alloca(cObjects * sizeof(HANDLE));
3066	if (pArrayOfHandles == NULL)
3067	{
3068	dprintf(("ERROR: HMMsgWaitForMultipleObjects: alloca failed to allocate %d handles", cObjects));
3069	O32_SetLastError(ERROR_NOT_ENOUGH_MEMORY);
3070	return WAIT_FAILED;
3071	}
3072	else
3073	pLoop2 = pArrayOfHandles;
3074
3075	// convert array to odin handles
3076	for (ulIndex = 0;
3077
3078	ulIndex < cObjects;
3079
3080	ulIndex++,
3081	pLoop1++,
3082	pLoop2++)
3083	{
3084	rc = HMHandleTranslateToOS2 (*pLoop1, // translate handle
3085	pLoop2);
3086
3087	dprintf2(("MsgWaitForMultipleObjects handle %x->%x", pLoop1, pLoop2));
3088	// SvL: We still use Open32 handles for threads & processes -> don't fail here!
3089	if (rc != NO_ERROR)
3090	{
3091	dprintf(("KERNEL32: HMMsgWaitForMultipleObjects - WARNING: handle %08xh is NOT an Odin handle (probably Open32 thread or process)\n",
3092	*pLoop1));
3093
3094	pLoop2 = pLoop1;
3095	//// O32_SetLastError(ERROR_INVALID_HANDLE);
3096	//// return (WAIT_FAILED);
3097	}
3098	}
3099
3100	// OK, now forward to Open32.
3101	// @@@PH: Note this will fail on handles that do NOT belong to Open32
3102	// but to i.e. the console subsystem!
3103	rc = O32_MsgWaitForMultipleObjects(cObjects,
3104	pArrayOfHandles,
3105	fWaitAll, dwTimeout,
3106	dwWakeMask);
3107
3108	dprintf2(("MsgWaitForMultipleObjects returned %d", rc));
3109	return (rc); // OK, done
3110	#endif
3111	}
3112	/*****************************************************************************
3113	* Name : HMDeviceIoControl
3114	* Purpose : router function for DeviceIoControl
3115	* Parameters:
3116	* Variables :
3117	* Result :
3118	* Remark :
3119	* Status :
3120	*
3121	* Author : Sander van Leeuwen
3122	*****************************************************************************/
3123
3124	BOOL HMDeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
3125	LPVOID lpInBuffer, DWORD nInBufferSize,
3126	LPVOID lpOutBuffer, DWORD nOutBufferSize,
3127	LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
3128	{
3129	int iIndex; /* index into the handle table */
3130	BOOL fResult; /* result from the device handler's CloseHandle() */
3131	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3132
3133	/* validate handle */
3134	iIndex = _HMHandleQuery(hDevice); /* get the index */
3135	if (-1 == iIndex) /* error ? */
3136	{
3137	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3138	return (FALSE); /* signal failure */
3139	}
3140
3141	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3142	fResult = pHMHandle->pDeviceHandler->DeviceIoControl(&pHMHandle->hmHandleData,
3143	dwIoControlCode,
3144	lpInBuffer, nInBufferSize,
3145	lpOutBuffer, nOutBufferSize,
3146	lpBytesReturned, lpOverlapped);
3147
3148	return (fResult); /* deliver return code */
3149	}
3150
3151
3152
3153	/*****************************************************************************
3154	* Name : HMCOMGetCommState
3155	* Purpose : router function for GetCommState
3156	* Parameters:
3157	* Variables :
3158	* Result :
3159	* Remark :
3160	* Status :
3161	*
3162	* Author : Achim Hasenmueller [Sat, 1999/11/27 13:40]
3163	*****************************************************************************/
3164
3165	BOOL HMCommGetCommState(HANDLE hCommDev, LPDCB lpdcb)
3166	{
3167	int iIndex; /* index into the handle table */
3168	BOOL bResult; /* result from the device handler's API */
3169	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3170
3171	/* validate handle */
3172	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3173	if (-1 == iIndex) /* error ? */
3174	{
3175	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3176	return (NULL); /* signal failure */
3177	}
3178
3179	if(IsBadWritePtr(lpdcb,sizeof(DCB)))
3180	{
3181	SetLastError(ERROR_INVALID_PARAMETER);
3182	return FALSE;
3183	}
3184
3185	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3186	bResult = pHMHandle->pDeviceHandler->GetCommState(&pHMHandle->hmHandleData,
3187	lpdcb);
3188
3189	return (bResult); /* deliver return code */
3190	}
3191
3192	BOOL HMCommWaitCommEvent( HANDLE hCommDev,
3193	LPDWORD lpfdwEvtMask,
3194	LPOVERLAPPED lpo)
3195	{
3196	int iIndex; /* index into the handle table */
3197	BOOL bResult; /* result from the device handler's API */
3198	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3199
3200	/* validate handle */
3201	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3202	if (-1 == iIndex) /* error ? */
3203	{
3204	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3205	return FALSE; /* signal failure */
3206	}
3207
3208	if(NULL!=lpo && IsBadReadPtr(lpo,sizeof(OVERLAPPED)) )
3209	{
3210	SetLastError(ERROR_INVALID_PARAMETER);
3211	return FALSE;
3212	}
3213
3214	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3215	bResult = pHMHandle->pDeviceHandler->WaitCommEvent( &pHMHandle->hmHandleData,
3216	lpfdwEvtMask,
3217	lpo);
3218
3219	return (bResult); /* deliver return code */
3220	}
3221
3222	BOOL HMCommGetCommProperties( HANDLE hCommDev,
3223	LPCOMMPROP lpcmmp)
3224	{
3225	int iIndex; /* index into the handle table */
3226	BOOL bResult; /* result from the device handler's API */
3227	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3228
3229	/* validate handle */
3230	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3231	if (-1 == iIndex) /* error ? */
3232	{
3233	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3234	return (NULL); /* signal failure */
3235	}
3236
3237	if(IsBadWritePtr(lpcmmp,sizeof(COMMPROP)) )
3238	{
3239	SetLastError(ERROR_INVALID_PARAMETER);
3240	return FALSE;
3241	}
3242
3243	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3244	bResult = pHMHandle->pDeviceHandler->GetCommProperties( &pHMHandle->hmHandleData,
3245	lpcmmp);
3246
3247	return (bResult); /* deliver return code */
3248	}
3249
3250	BOOL HMCommGetCommMask( HANDLE hCommDev,
3251	LPDWORD lpfdwEvtMask)
3252	{
3253	int iIndex; /* index into the handle table */
3254	BOOL bResult; /* result from the device handler's API */
3255	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3256
3257	/* validate handle */
3258	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3259	if (-1 == iIndex) /* error ? */
3260	{
3261	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3262	return (NULL); /* signal failure */
3263	}
3264
3265	if(IsBadWritePtr(lpfdwEvtMask,sizeof(DWORD)) )
3266	{
3267	SetLastError(ERROR_INVALID_PARAMETER);
3268	return FALSE;
3269	}
3270
3271	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3272	bResult = pHMHandle->pDeviceHandler->GetCommMask( &pHMHandle->hmHandleData,
3273	lpfdwEvtMask);
3274
3275	return (bResult); /* deliver return code */
3276	}
3277
3278	BOOL HMCommSetCommMask( HANDLE hCommDev,
3279	DWORD fdwEvtMask)
3280	{
3281	int iIndex; /* index into the handle table */
3282	BOOL bResult; /* result from the device handler's API */
3283	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3284
3285	/* validate handle */
3286	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3287	if (-1 == iIndex) /* error ? */
3288	{
3289	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3290	return (NULL); /* signal failure */
3291	}
3292
3293	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3294	bResult = pHMHandle->pDeviceHandler->SetCommMask( &pHMHandle->hmHandleData,
3295	fdwEvtMask);
3296
3297	return (bResult); /* deliver return code */
3298	}
3299
3300	BOOL HMCommPurgeComm( HANDLE hCommDev,
3301	DWORD fdwAction)
3302	{
3303	int iIndex; /* index into the handle table */
3304	BOOL bResult; /* result from the device handler's API */
3305	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3306
3307	/* validate handle */
3308	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3309	if (-1 == iIndex) /* error ? */
3310	{
3311	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3312	return (NULL); /* signal failure */
3313	}
3314
3315
3316	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3317	bResult = pHMHandle->pDeviceHandler->PurgeComm( &pHMHandle->hmHandleData,
3318	fdwAction);
3319
3320	return (bResult); /* deliver return code */
3321	}
3322
3323	BOOL HMCommClearCommError( HANDLE hCommDev,
3324	LPDWORD lpdwErrors,
3325	LPCOMSTAT lpcst)
3326	{
3327	int iIndex; /* index into the handle table */
3328	BOOL bResult; /* result from the device handler's API */
3329	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3330
3331	/* validate handle */
3332	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3333	if (-1 == iIndex) /* error ? */
3334	{
3335	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3336	return (NULL); /* signal failure */
3337	}
3338
3339	if(IsBadWritePtr(lpdwErrors,sizeof(DWORD)) \|\|
3340	(NULL!=lpcst && IsBadWritePtr(lpcst,sizeof(COMSTAT)) ) )
3341	{
3342	SetLastError(ERROR_INVALID_PARAMETER);
3343	return FALSE;
3344	}
3345
3346	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3347	bResult = pHMHandle->pDeviceHandler->ClearCommError(&pHMHandle->hmHandleData,
3348	lpdwErrors,
3349	lpcst);
3350
3351	return (bResult); /* deliver return code */
3352	}
3353
3354	BOOL HMCommSetCommState( HANDLE hCommDev,
3355	LPDCB lpdcb)
3356	{
3357	int iIndex; /* index into the handle table */
3358	BOOL bResult; /* result from the device handler's API */
3359	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3360
3361	/* validate handle */
3362	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3363	if (-1 == iIndex) /* error ? */
3364	{
3365	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3366	return (NULL); /* signal failure */
3367	}
3368
3369	if(IsBadReadPtr(lpdcb,sizeof(DCB)) )
3370	{
3371	SetLastError(ERROR_INVALID_PARAMETER);
3372	return FALSE;
3373	}
3374
3375
3376	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3377	bResult = pHMHandle->pDeviceHandler->SetCommState(&pHMHandle->hmHandleData,
3378	lpdcb);
3379
3380	return (bResult); /* deliver return code */
3381	}
3382
3383
3384	BOOL HMCommGetCommTimeouts( HANDLE hCommDev,
3385	LPCOMMTIMEOUTS lpctmo)
3386	{
3387	int iIndex; /* index into the handle table */
3388	BOOL bResult; /* result from the device handler's API */
3389	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3390
3391	/* validate handle */
3392	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3393	if (-1 == iIndex) /* error ? */
3394	{
3395	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3396	return (NULL); /* signal failure */
3397	}
3398
3399	if(IsBadWritePtr(lpctmo,sizeof(COMMTIMEOUTS)) )
3400	{
3401	SetLastError(ERROR_INVALID_PARAMETER);
3402	return FALSE;
3403	}
3404
3405	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3406	bResult = pHMHandle->pDeviceHandler->GetCommTimeouts( &pHMHandle->hmHandleData,
3407	lpctmo);
3408
3409	return (bResult); /* deliver return code */
3410	}
3411	BOOL HMCommGetCommModemStatus( HANDLE hCommDev,
3412	LPDWORD lpModemStat )
3413	{
3414	int iIndex; /* index into the handle table */
3415	BOOL bResult; /* result from the device handler's API */
3416	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3417
3418	/* validate handle */
3419	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3420	if (-1 == iIndex) /* error ? */
3421	{
3422	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3423	return (NULL); /* signal failure */
3424	}
3425
3426	if(IsBadWritePtr(lpModemStat,sizeof(DWORD)) )
3427	{
3428	SetLastError(ERROR_INVALID_PARAMETER);
3429	return FALSE;
3430	}
3431
3432	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3433	bResult = pHMHandle->pDeviceHandler->GetCommModemStatus( &pHMHandle->hmHandleData,
3434	lpModemStat);
3435
3436	return (bResult); /* deliver return code */
3437	}
3438
3439	BOOL HMCommSetCommTimeouts( HANDLE hCommDev,
3440	LPCOMMTIMEOUTS lpctmo)
3441	{
3442	int iIndex; /* index into the handle table */
3443	BOOL bResult; /* result from the device handler's API */
3444	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3445
3446	/* validate handle */
3447	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3448	if (-1 == iIndex) /* error ? */
3449	{
3450	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3451	return (NULL); /* signal failure */
3452	}
3453
3454	if(IsBadReadPtr(lpctmo,sizeof(COMMTIMEOUTS)) )
3455	{
3456	SetLastError(ERROR_INVALID_PARAMETER);
3457	return FALSE;
3458	}
3459
3460	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3461	bResult = pHMHandle->pDeviceHandler->SetCommTimeouts( &pHMHandle->hmHandleData,
3462	lpctmo);
3463
3464	return (bResult); /* deliver return code */
3465	}
3466
3467	BOOL HMCommTransmitCommChar( HANDLE hCommDev,
3468	CHAR cChar )
3469	{
3470	int iIndex; /* index into the handle table */
3471	BOOL bResult; /* result from the device handler's API */
3472	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3473
3474	/* validate handle */
3475	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3476	if (-1 == iIndex) /* error ? */
3477	{
3478	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3479	return (NULL); /* signal failure */
3480	}
3481
3482	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3483	bResult = pHMHandle->pDeviceHandler->TransmitCommChar( &pHMHandle->hmHandleData,
3484	cChar);
3485
3486	return (bResult); /* deliver return code */
3487	}
3488
3489	BOOL HMCommSetCommConfig( HANDLE hCommDev,
3490	LPCOMMCONFIG lpCC,
3491	DWORD dwSize )
3492	{
3493	int iIndex; /* index into the handle table */
3494	BOOL bResult; /* result from the device handler's API */
3495	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3496
3497	/* validate handle */
3498	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3499	if (-1 == iIndex) /* error ? */
3500	{
3501	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3502	return (NULL); /* signal failure */
3503	}
3504
3505	if( IsBadReadPtr(lpCC,sizeof(COMMCONFIG)) \|\|
3506	dwSize < sizeof(COMMCONFIG) )
3507	{
3508	SetLastError(ERROR_INVALID_PARAMETER);
3509	return FALSE;
3510	}
3511
3512	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3513	bResult = pHMHandle->pDeviceHandler->SetCommConfig( &pHMHandle->hmHandleData,
3514	lpCC,
3515	dwSize);
3516
3517	return (bResult); /* deliver return code */
3518	}
3519
3520	BOOL HMCommSetCommBreak( HANDLE hCommDev )
3521	{
3522	int iIndex; /* index into the handle table */
3523	BOOL bResult; /* result from the device handler's API */
3524	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3525
3526	/* validate handle */
3527	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3528	if (-1 == iIndex) /* error ? */
3529	{
3530	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3531	return (NULL); /* signal failure */
3532	}
3533
3534	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3535	bResult = pHMHandle->pDeviceHandler->SetCommBreak( &pHMHandle->hmHandleData);
3536
3537	return (bResult); /* deliver return code */
3538	}
3539
3540	BOOL HMCommGetCommConfig( HANDLE hCommDev,
3541	LPCOMMCONFIG lpCC,
3542	LPDWORD lpdwSize )
3543	{
3544	int iIndex; /* index into the handle table */
3545	BOOL bResult; /* result from the device handler's API */
3546	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3547
3548	/* validate handle */
3549	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3550	if (-1 == iIndex) /* error ? */
3551	{
3552	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3553	return (NULL); /* signal failure */
3554	}
3555
3556	if(IsBadWritePtr(lpdwSize,sizeof(DWORD)) )
3557	{
3558	SetLastError(ERROR_INVALID_PARAMETER);
3559	return FALSE;
3560	}
3561
3562	if( IsBadWritePtr(lpCC,sizeof(COMMCONFIG)) \|\|
3563	*lpdwSize< sizeof(COMMCONFIG) )
3564	{
3565	SetLastError(ERROR_INSUFFICIENT_BUFFER);
3566	*lpdwSize= sizeof(COMMCONFIG);
3567	return FALSE;
3568	}
3569
3570	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3571	bResult = pHMHandle->pDeviceHandler->GetCommConfig( &pHMHandle->hmHandleData,
3572	lpCC,
3573	lpdwSize);
3574
3575	return (bResult); /* deliver return code */
3576	}
3577
3578	BOOL HMCommEscapeCommFunction( HANDLE hCommDev,
3579	UINT dwFunc )
3580	{
3581	int iIndex; /* index into the handle table */
3582	BOOL bResult; /* result from the device handler's API */
3583	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3584
3585	/* validate handle */
3586	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3587	if (-1 == iIndex) /* error ? */
3588	{
3589	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3590	return (NULL); /* signal failure */
3591	}
3592
3593	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3594
3595	switch(dwFunc)
3596	{
3597	case CLRDTR:
3598	case CLRRTS:
3599	case SETDTR:
3600	case SETRTS:
3601	case SETXOFF:
3602	case SETXON:
3603	bResult = pHMHandle->pDeviceHandler->EscapeCommFunction( &pHMHandle->hmHandleData,
3604	dwFunc);
3605	break;
3606	case SETBREAK:
3607	bResult = pHMHandle->pDeviceHandler->SetCommBreak(&pHMHandle->hmHandleData);
3608	break;
3609	case CLRBREAK:
3610	bResult = pHMHandle->pDeviceHandler->ClearCommBreak(&pHMHandle->hmHandleData);
3611	break;
3612	default:
3613	SetLastError(ERROR_INVALID_PARAMETER);
3614	bResult = FALSE;
3615	}
3616
3617
3618	return (bResult); /* deliver return code */
3619	}
3620
3621	BOOL HMCommSetupComm( HANDLE hCommDev,
3622	DWORD dwInQueue,
3623	DWORD dwOutQueue)
3624	{
3625	int iIndex; /* index into the handle table */
3626	BOOL bResult; /* result from the device handler's API */
3627	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3628
3629	/* validate handle */
3630	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3631	if (-1 == iIndex) /* error ? */
3632	{
3633	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3634	return (NULL); /* signal failure */
3635	}
3636
3637	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3638	bResult = pHMHandle->pDeviceHandler->SetupComm(&pHMHandle->hmHandleData,
3639	dwInQueue,
3640	dwOutQueue);
3641
3642	return (bResult); /* deliver return code */
3643	}
3644
3645	BOOL HMCommClearCommBreak(HANDLE hCommDev)
3646	{
3647	int iIndex; /* index into the handle table */
3648	BOOL bResult; /* result from the device handler's API */
3649	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3650
3651	/* validate handle */
3652	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3653	if (-1 == iIndex) /* error ? */
3654	{
3655	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3656	return (NULL); /* signal failure */
3657	}
3658
3659	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3660	bResult = pHMHandle->pDeviceHandler->ClearCommBreak(&pHMHandle->hmHandleData);
3661
3662	return (bResult); /* deliver return code */
3663	}
3664
3665	BOOL HMCommSetDefaultCommConfig( HANDLE hCommDev,
3666	LPCOMMCONFIG lpCC,
3667	DWORD dwSize)
3668	{
3669	int iIndex; /* index into the handle table */
3670	BOOL bResult; /* result from the device handler's API */
3671	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3672
3673	/* validate handle */
3674	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3675	if (-1 == iIndex) /* error ? */
3676	{
3677	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3678	return (NULL); /* signal failure */
3679	}
3680
3681	if( (lpCC!=NULL) &&
3682	( IsBadReadPtr(lpCC,sizeof(COMMCONFIG)) \|\|
3683	dwSize != sizeof(COMMCONFIG) ) )
3684	{
3685	SetLastError(ERROR_INVALID_PARAMETER);
3686	return FALSE;
3687	}
3688
3689	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3690	bResult = pHMHandle->pDeviceHandler->SetDefaultCommConfig(&pHMHandle->hmHandleData,
3691	lpCC,
3692	dwSize);
3693
3694	return (bResult); /* deliver return code */
3695	}
3696
3697	BOOL HMCommGetDefaultCommConfig( HANDLE hCommDev,
3698	LPCOMMCONFIG lpCC,
3699	LPDWORD lpdwSize)
3700	{
3701	int iIndex; /* index into the handle table */
3702	BOOL bResult; /* result from the device handler's API */
3703	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3704
3705	/* validate handle */
3706	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3707	if (-1 == iIndex) /* error ? */
3708	{
3709	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3710	return (NULL); /* signal failure */
3711	}
3712
3713	if(IsBadWritePtr(lpdwSize,sizeof(DWORD)))
3714	{
3715	SetLastError(ERROR_INVALID_PARAMETER);
3716	return FALSE;
3717	}
3718
3719	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3720	bResult = pHMHandle->pDeviceHandler->GetDefaultCommConfig( &pHMHandle->hmHandleData,
3721	lpCC,
3722	lpdwSize);
3723
3724	return (bResult); /* deliver return code */
3725	}
3726
3727	/*****************************************************************************
3728	* Name : HMOpenThreadToken
3729	* Purpose : router function for NtOpenThreadToken
3730	* Parameters:
3731	* Variables :
3732	* Result :
3733	* Remark :
3734	* Status :
3735	*
3736	* Author : SvL
3737	*****************************************************************************/
3738
3739	DWORD HMOpenThreadToken(HANDLE ThreadHandle,
3740	DWORD DesiredAccess,
3741	DWORD OpenAsSelf,
3742	HANDLE *TokenHandle)
3743	{
3744	int iIndex; /* index into the handle table */
3745	int iIndexNew; /* index into the handle table */
3746	HMDeviceHandler pDeviceHandler; / device handler for this handle */
3747	PHMHANDLEDATA pHMHandleData;
3748	DWORD rc; /* API return code */
3749
3750	pDeviceHandler = HMGlobals.pHMToken; /* device is predefined */
3751
3752	iIndexNew = _HMHandleGetFree(); /* get free handle */
3753	if (-1 == iIndexNew) /* oops, no free handles ! */
3754	{
3755	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
3756	return ERROR_NOT_ENOUGH_MEMORY;
3757	}
3758
3759	/* initialize the complete HMHANDLEDATA structure */
3760	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
3761	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
3762	pHMHandleData->dwAccess = DesiredAccess;
3763	pHMHandleData->dwShare = 0;
3764	pHMHandleData->dwCreation = 0;
3765	pHMHandleData->dwFlags = 0;
3766	pHMHandleData->lpHandlerData = NULL;
3767
3768
3769	/* we've got to mark the handle as occupied here, since another device */
3770	/* could be created within the device handler -> deadlock */
3771
3772	/* write appropriate entry into the handle table if open succeeded */
3773	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
3774	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
3775
3776	/* call the device handler */
3777
3778	// @@@PH: Note: hFile is a Win32-style handle, it's not (yet) converted to
3779	// a valid HandleManager-internal handle!
3780	rc = pDeviceHandler->OpenThreadToken(&TabWin32Handles[iIndexNew].hmHandleData,
3781	ThreadHandle,
3782	OpenAsSelf);
3783
3784	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
3785	{
3786	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
3787	return (rc); /* signal error */
3788	}
3789	else
3790	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
3791
3792	TokenHandle = iIndexNew; / return valid handle */
3793	return STATUS_SUCCESS;
3794	}
3795
3796	/*****************************************************************************
3797	* Name : HMOpenProcessToken
3798	* Purpose : router function for NtOpenProcessToken
3799	* Parameters:
3800	* Variables :
3801	* Result :
3802	* Remark :
3803	* Status :
3804	*
3805	* Author : SvL
3806	*****************************************************************************/
3807	DWORD HMOpenProcessToken(HANDLE ProcessHandle,
3808	DWORD DesiredAccess,
3809	DWORD dwUserData,
3810	HANDLE *TokenHandle)
3811	{
3812	int iIndex; /* index into the handle table */
3813	int iIndexNew; /* index into the handle table */
3814	HMDeviceHandler pDeviceHandler; / device handler for this handle */
3815	PHMHANDLEDATA pHMHandleData;
3816	DWORD rc; /* API return code */
3817
3818	pDeviceHandler = HMGlobals.pHMToken; /* device is predefined */
3819
3820	iIndexNew = _HMHandleGetFree(); /* get free handle */
3821	if (-1 == iIndexNew) /* oops, no free handles ! */
3822	{
3823	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
3824	return ERROR_NOT_ENOUGH_MEMORY;
3825	}
3826
3827	/* initialize the complete HMHANDLEDATA structure */
3828	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
3829	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
3830	pHMHandleData->dwAccess = DesiredAccess;
3831	pHMHandleData->dwShare = 0;
3832	pHMHandleData->dwCreation = 0;
3833	pHMHandleData->dwFlags = 0;
3834	pHMHandleData->lpHandlerData = NULL;
3835
3836
3837	/* we've got to mark the handle as occupied here, since another device */
3838	/* could be created within the device handler -> deadlock */
3839
3840	/* write appropriate entry into the handle table if open succeeded */
3841	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
3842	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
3843
3844	/* call the device handler */
3845
3846	// @@@PH: Note: hFile is a Win32-style handle, it's not (yet) converted to
3847	// a valid HandleManager-internal handle!
3848	rc = pDeviceHandler->OpenProcessToken(&TabWin32Handles[iIndexNew].hmHandleData,
3849	dwUserData,
3850	ProcessHandle);
3851
3852	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
3853	{
3854	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
3855	return (rc); /* signal error */
3856	}
3857	else
3858	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
3859
3860	TokenHandle = iIndexNew; / return valid handle */
3861	return STATUS_SUCCESS;
3862	}
3863	/*****************************************************************************
3864	* Name : HMCreateThread
3865	* Purpose : router function for CreateThread
3866	* Parameters:
3867	* Variables :
3868	* Result :
3869	* Remark :
3870	* Status :
3871	*
3872	* Author : SvL
3873	*****************************************************************************/
3874	HANDLE HMCreateThread(LPSECURITY_ATTRIBUTES lpsa,
3875	DWORD cbStack,
3876	LPTHREAD_START_ROUTINE lpStartAddr,
3877	LPVOID lpvThreadParm,
3878	DWORD fdwCreate,
3879	LPDWORD lpIDThread,
3880	BOOL fFirstThread)
3881	{
3882	int iIndex; /* index into the handle table */
3883	int iIndexNew; /* index into the handle table */
3884	HMDeviceHandler pDeviceHandler; / device handler for this handle */
3885	PHMHANDLEDATA pHMHandleData;
3886	HANDLE rc; /* API return code */
3887
3888	SetLastError(ERROR_SUCCESS);
3889
3890	pDeviceHandler = HMGlobals.pHMThread; /* device is predefined */
3891
3892	iIndexNew = _HMHandleGetFree(); /* get free handle */
3893	if (-1 == iIndexNew) /* oops, no free handles ! */
3894	{
3895	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
3896	return 0;
3897	}
3898
3899	/* initialize the complete HMHANDLEDATA structure */
3900	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
3901	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
3902	pHMHandleData->dwAccess = 0;
3903	pHMHandleData->dwShare = 0;
3904	pHMHandleData->dwCreation = 0;
3905	pHMHandleData->dwFlags = 0;
3906	pHMHandleData->lpHandlerData = NULL;
3907
3908
3909	/* we've got to mark the handle as occupied here, since another device */
3910	/* could be created within the device handler -> deadlock */
3911
3912	/* write appropriate entry into the handle table if open succeeded */
3913	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
3914	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
3915
3916	/* call the device handler */
3917
3918	// @@@PH: Note: hFile is a Win32-style handle, it's not (yet) converted to
3919	// a valid HandleManager-internal handle!
3920	rc = pDeviceHandler->CreateThread(&TabWin32Handles[iIndexNew].hmHandleData,
3921	lpsa, cbStack, lpStartAddr,
3922	lpvThreadParm, fdwCreate, lpIDThread, fFirstThread);
3923
3924	if (rc == 0) /* oops, creation failed within the device handler */
3925	{
3926	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
3927	return 0; /* signal error */
3928	}
3929
3930	return iIndexNew;
3931	}
3932	/*****************************************************************************
3933	* Name : HMGetThreadPriority
3934	* Purpose : router function for GetThreadPriority
3935	* Parameters:
3936	* Variables :
3937	* Result :
3938	* Remark :
3939	* Status :
3940	*
3941	* Author : SvL
3942	*****************************************************************************/
3943	INT HMGetThreadPriority(HANDLE hThread)
3944	{
3945	int iIndex; /* index into the handle table */
3946	INT lpResult; /* result from the device handler's API */
3947	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3948
3949	SetLastError(ERROR_SUCCESS);
3950	/* validate handle */
3951	iIndex = _HMHandleQuery(hThread); /* get the index */
3952	if (-1 == iIndex) /* error ? */
3953	{
3954	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3955	return (-1); /* signal failure */
3956	}
3957
3958	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3959	lpResult = pHMHandle->pDeviceHandler->GetThreadPriority(&TabWin32Handles[iIndex].hmHandleData);
3960
3961	return (lpResult); /* deliver return code */
3962	}
3963	/*****************************************************************************
3964	* Name : HMSuspendThread
3965	* Purpose : router function for SuspendThread
3966	* Parameters:
3967	* Variables :
3968	* Result :
3969	* Remark :
3970	* Status :
3971	*
3972	* Author : SvL
3973	*****************************************************************************/
3974	DWORD HMSuspendThread(HANDLE hThread)
3975	{
3976	int iIndex; /* index into the handle table */
3977	HANDLE lpResult; /* result from the device handler's API */
3978	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3979
3980	SetLastError(ERROR_SUCCESS);
3981	/* validate handle */
3982	iIndex = _HMHandleQuery(hThread); /* get the index */
3983	if (-1 == iIndex) /* error ? */
3984	{
3985	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3986	return -1; /* signal failure */
3987	}
3988
3989	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3990	lpResult = pHMHandle->pDeviceHandler->SuspendThread(&TabWin32Handles[iIndex].hmHandleData);
3991
3992	return (lpResult); /* deliver return code */
3993	}
3994	/*****************************************************************************
3995	* Name : HMSetThreadPriority
3996	* Purpose : router function for SetThreadPriority
3997	* Parameters:
3998	* Variables :
3999	* Result :
4000	* Remark :
4001	* Status :
4002	*
4003	* Author : SvL
4004	*****************************************************************************/
4005	BOOL HMSetThreadPriority(HANDLE hThread, int priority)
4006	{
4007	int iIndex; /* index into the handle table */
4008	BOOL lpResult; /* result from the device handler's API */
4009	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4010
4011	SetLastError(ERROR_SUCCESS);
4012	/* validate handle */
4013	iIndex = _HMHandleQuery(hThread); /* get the index */
4014	if (-1 == iIndex) /* error ? */
4015	{
4016	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4017	return FALSE; /* signal failure */
4018	}
4019
4020	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4021	lpResult = pHMHandle->pDeviceHandler->SetThreadPriority(&TabWin32Handles[iIndex].hmHandleData, priority);
4022
4023	return (lpResult); /* deliver return code */
4024	}
4025	/*****************************************************************************
4026	* Name : HMGetThreadContext
4027	* Purpose : router function for GetThreadContext
4028	* Parameters:
4029	* Variables :
4030	* Result :
4031	* Remark :
4032	* Status :
4033	*
4034	* Author : SvL
4035	*****************************************************************************/
4036	BOOL HMGetThreadContext(HANDLE hThread, CONTEXT *lpContext)
4037	{
4038	int iIndex; /* index into the handle table */
4039	BOOL lpResult; /* result from the device handler's API */
4040	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4041
4042	SetLastError(ERROR_SUCCESS);
4043	/* validate handle */
4044	iIndex = _HMHandleQuery(hThread); /* get the index */
4045	if (-1 == iIndex) /* error ? */
4046	{
4047	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4048	return FALSE; /* signal failure */
4049	}
4050
4051	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4052	lpResult = pHMHandle->pDeviceHandler->GetThreadContext(&TabWin32Handles[iIndex].hmHandleData, lpContext);
4053
4054	return (lpResult); /* deliver return code */
4055	}
4056	/*****************************************************************************
4057	* Name : HMSetThreadContext
4058	* Purpose : router function for SetThreadContext
4059	* Parameters:
4060	* Variables :
4061	* Result :
4062	* Remark :
4063	* Status :
4064	*
4065	* Author : SvL
4066	*****************************************************************************/
4067	BOOL HMSetThreadContext(HANDLE hThread, const CONTEXT *lpContext)
4068	{
4069	int iIndex; /* index into the handle table */
4070	BOOL lpResult; /* result from the device handler's API */
4071	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4072
4073	SetLastError(ERROR_SUCCESS);
4074	/* validate handle */
4075	iIndex = _HMHandleQuery(hThread); /* get the index */
4076	if (-1 == iIndex) /* error ? */
4077	{
4078	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4079	return FALSE; /* signal failure */
4080	}
4081
4082	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4083	lpResult = pHMHandle->pDeviceHandler->SetThreadContext(&TabWin32Handles[iIndex].hmHandleData, lpContext);
4084
4085	return (lpResult); /* deliver return code */
4086	}
4087	/*****************************************************************************
4088	* Name : HMTerminateThread
4089	* Purpose : router function for TerminateThread
4090	* Parameters:
4091	* Variables :
4092	* Result :
4093	* Remark :
4094	* Status :
4095	*
4096	* Author : SvL
4097	*****************************************************************************/
4098	BOOL HMTerminateThread(HANDLE hThread, DWORD exitcode)
4099	{
4100	int iIndex; /* index into the handle table */
4101	BOOL lpResult; /* result from the device handler's API */
4102	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4103
4104	SetLastError(ERROR_SUCCESS);
4105	/* validate handle */
4106	iIndex = _HMHandleQuery(hThread); /* get the index */
4107	if (-1 == iIndex) /* error ? */
4108	{
4109	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4110	return FALSE; /* signal failure */
4111	}
4112
4113	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4114	lpResult = pHMHandle->pDeviceHandler->TerminateThread(&TabWin32Handles[iIndex].hmHandleData, exitcode);
4115
4116	return (lpResult); /* deliver return code */
4117	}
4118	/*****************************************************************************
4119	* Name : HMResumeThread
4120	* Purpose : router function for ResumeThread
4121	* Parameters:
4122	* Variables :
4123	* Result :
4124	* Remark :
4125	* Status :
4126	*
4127	* Author : SvL
4128	*****************************************************************************/
4129	DWORD HMResumeThread(HANDLE hThread)
4130	{
4131	int iIndex; /* index into the handle table */
4132	DWORD lpResult; /* result from the device handler's API */
4133	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4134
4135	SetLastError(ERROR_SUCCESS);
4136	/* validate handle */
4137	iIndex = _HMHandleQuery(hThread); /* get the index */
4138	if (-1 == iIndex) /* error ? */
4139	{
4140	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4141	return -1; /* signal failure */
4142	}
4143
4144	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4145	lpResult = pHMHandle->pDeviceHandler->ResumeThread(&TabWin32Handles[iIndex].hmHandleData);
4146
4147	return (lpResult); /* deliver return code */
4148	}
4149
4150	/*****************************************************************************
4151	* Name : HMGetExitCodeThread
4152	* Purpose : router function for GetExitCodeThread
4153	* Parameters:
4154	* Variables :
4155	* Result :
4156	* Remark :
4157	* Status :
4158	*
4159	* Author : SvL
4160	*****************************************************************************/
4161	BOOL HMGetExitCodeThread(HANDLE hThread, LPDWORD lpExitCode)
4162	{
4163	int iIndex; /* index into the handle table */
4164	BOOL lpResult; /* result from the device handler's API */
4165	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4166
4167	SetLastError(ERROR_SUCCESS);
4168	/* validate handle */
4169	iIndex = _HMHandleQuery(hThread); /* get the index */
4170	if (-1 == iIndex) /* error ? */
4171	{
4172	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4173	return FALSE; /* signal failure */
4174	}
4175
4176	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4177	lpResult = pHMHandle->pDeviceHandler->GetExitCodeThread(&TabWin32Handles[iIndex].hmHandleData, lpExitCode);
4178
4179	return (lpResult); /* deliver return code */
4180	}
4181	/*****************************************************************************
4182	* Name : HMSetThreadTerminated
4183	* Purpose :
4184	* Parameters:
4185	* Variables :
4186	* Result :
4187	* Remark :
4188	* Status :
4189	*
4190	* Author : SvL
4191	*****************************************************************************/
4192	BOOL HMSetThreadTerminated(HANDLE hThread)
4193	{
4194	int iIndex; /* index into the handle table */
4195	BOOL lpResult; /* result from the device handler's API */
4196	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4197
4198	SetLastError(ERROR_SUCCESS);
4199	/* validate handle */
4200	iIndex = _HMHandleQuery(hThread); /* get the index */
4201	if (-1 == iIndex) /* error ? */
4202	{
4203	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4204	return FALSE; /* signal failure */
4205	}
4206
4207	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4208	lpResult = pHMHandle->pDeviceHandler->SetThreadTerminated(&TabWin32Handles[iIndex].hmHandleData);
4209
4210	return (lpResult); /* deliver return code */
4211	}
4212
4213	/*****************************************************************************
4214	* Name : HMPeekNamedPipe
4215	* Purpose :
4216	* Parameters:
4217	* Variables :
4218	* Result :
4219	* Remark :
4220	* Status :
4221	*
4222	* Author : Przemyslaw Dobrowolski
4223	*****************************************************************************/
4224	BOOL HMPeekNamedPipe(HANDLE hPipe,
4225	LPVOID lpvBuffer,
4226	DWORD cbBuffer,
4227	LPDWORD lpcbRead,
4228	LPDWORD lpcbAvail,
4229	LPDWORD lpcbMessage)
4230	{
4231	int iIndex; /* index into the handle table */
4232	BOOL lpResult; /* result from the device handler's API */
4233	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4234
4235	SetLastError(ERROR_SUCCESS);
4236	/* validate handle */
4237	iIndex = _HMHandleQuery(hPipe); /* get the index */
4238	if (-1 == iIndex) /* error ? */
4239	{
4240	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4241	return FALSE; /* signal failure */
4242	}
4243
4244	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4245	lpResult = pHMHandle->pDeviceHandler->PeekNamedPipe(&TabWin32Handles[iIndex].hmHandleData,
4246	lpvBuffer,
4247	cbBuffer,
4248	lpcbRead,
4249	lpcbAvail,
4250	lpcbMessage);
4251
4252	return (lpResult); /* deliver return code */
4253	}
4254
4255	/*****************************************************************************
4256	* Name : HMCreateNamedPipe
4257	* Purpose :
4258	* Parameters:
4259	* Variables :
4260	* Result :
4261	* Remark :
4262	* Status :
4263	*
4264	* Author : Przemyslaw Dobrowolski
4265	*****************************************************************************/
4266	DWORD HMCreateNamedPipe(LPCTSTR lpName,
4267	DWORD dwOpenMode,
4268	DWORD dwPipeMode,
4269	DWORD nMaxInstances,
4270	DWORD nOutBufferSize,
4271	DWORD nInBufferSize,
4272	DWORD nDefaultTimeOut,
4273	LPSECURITY_ATTRIBUTES lpSecurityAttributes)
4274	{
4275	int iIndex; /* index into the handle table */
4276	int iIndexNew; /* index into the handle table */
4277	HMDeviceHandler pDeviceHandler; / device handler for this handle */
4278	PHMHANDLEDATA pHMHandleData;
4279	HANDLE rc; /* API return code */
4280
4281	SetLastError(ERROR_SUCCESS);
4282
4283	pDeviceHandler = HMGlobals.pHMNamedPipe; /* device is predefined */
4284
4285	iIndexNew = _HMHandleGetFree(); /* get free handle */
4286	if (-1 == iIndexNew) /* oops, no free handles ! */
4287	{
4288	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
4289	return 0;
4290	}
4291
4292	/* initialize the complete HMHANDLEDATA structure */
4293	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
4294	pHMHandleData->dwType = FILE_TYPE_PIPE;
4295	pHMHandleData->dwAccess = 0;
4296	pHMHandleData->dwShare = 0;
4297	pHMHandleData->dwCreation = 0;
4298	pHMHandleData->dwFlags = 0;
4299	pHMHandleData->lpHandlerData = NULL;
4300
4301	/* we've got to mark the handle as occupied here, since another device */
4302	/* could be created within the device handler -> deadlock */
4303
4304	/* write appropriate entry into the handle table if open succeeded */
4305	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
4306	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
4307
4308	/* call the device handler */
4309
4310	rc = pDeviceHandler->CreateNamedPipe(&TabWin32Handles[iIndexNew].hmHandleData,
4311	lpName,dwOpenMode,
4312	dwPipeMode,nMaxInstances,
4313	nOutBufferSize,nInBufferSize,
4314	nDefaultTimeOut,lpSecurityAttributes);
4315
4316	if (rc == -1) /* oops, creation failed within the device handler */
4317	{
4318	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
4319	return 0; /* signal error */
4320	}
4321
4322	dprintf(("Win32 Handle -> %08x",iIndexNew));
4323
4324	return iIndexNew;
4325	}
4326
4327	/*****************************************************************************
4328	* Name : HMConnectNamedPipe
4329	* Purpose :
4330	* Parameters:
4331	* Variables :
4332	* Result :
4333	* Remark :
4334	* Status :
4335	*
4336	* Author : Przemyslaw Dobrowolski
4337	*****************************************************************************/
4338	BOOL HMConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED lpOverlapped)
4339	{
4340	int iIndex; /* index into the handle table */
4341	BOOL lpResult; /* result from the device handler's API */
4342	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4343
4344	SetLastError(ERROR_SUCCESS);
4345	/* validate handle */
4346	iIndex = _HMHandleQuery(hPipe); /* get the index */
4347	if (-1 == iIndex) /* error ? */
4348	{
4349	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4350	return FALSE; /* signal failure */
4351	}
4352
4353	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4354	lpResult = pHMHandle->pDeviceHandler->ConnectNamedPipe(&TabWin32Handles[iIndex].hmHandleData,
4355	lpOverlapped);
4356
4357	return (lpResult); /* deliver return code */
4358	}
4359
4360	/*****************************************************************************
4361	* Name : HMDisconnectNamedPipe
4362	* Purpose :
4363	* Parameters:
4364	* Variables :
4365	* Result :
4366	* Remark :
4367	* Status :
4368	*
4369	* Author : Przemyslaw Dobrowolski
4370	*****************************************************************************/
4371	BOOL HMDisconnectNamedPipe(HANDLE hPipe)
4372	{
4373	int iIndex; /* index into the handle table */
4374	BOOL lpResult; /* result from the device handler's API */
4375	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4376
4377	SetLastError(ERROR_SUCCESS);
4378	/* validate handle */
4379	iIndex = _HMHandleQuery(hPipe); /* get the index */
4380	if (-1 == iIndex) /* error ? */
4381	{
4382	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4383	return FALSE; /* signal failure */
4384	}
4385
4386	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4387	lpResult = pHMHandle->pDeviceHandler->DisconnectNamedPipe(&TabWin32Handles[iIndex].hmHandleData);
4388
4389	return (lpResult); /* deliver return code */
4390	}
4391
4392	/*****************************************************************************
4393	* Name : HMGetNamedPipeHandleState
4394	* Purpose :
4395	* Parameters:
4396	* Variables :
4397	* Result :
4398	* Remark :
4399	* Status :
4400	*
4401	* Author : Przemyslaw Dobrowolski
4402	*****************************************************************************/
4403	BOOL HMGetNamedPipeHandleState(HANDLE hPipe,
4404	LPDWORD lpState,
4405	LPDWORD lpCurInstances,
4406	LPDWORD lpMaxCollectionCount,
4407	LPDWORD lpCollectDataTimeout,
4408	LPTSTR lpUserName,
4409	DWORD nMaxUserNameSize)
4410	{
4411	int iIndex; /* index into the handle table */
4412	BOOL lpResult; /* result from the device handler's API */
4413	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4414
4415	SetLastError(ERROR_SUCCESS);
4416	/* validate handle */
4417	iIndex = _HMHandleQuery(hPipe); /* get the index */
4418	if (-1 == iIndex) /* error ? */
4419	{
4420	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4421	return FALSE; /* signal failure */
4422	}
4423
4424	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4425	lpResult = pHMHandle->pDeviceHandler->GetNamedPipeHandleState(&TabWin32Handles[iIndex].hmHandleData,
4426	lpState,
4427	lpCurInstances,
4428	lpMaxCollectionCount,
4429	lpCollectDataTimeout,
4430	lpUserName,
4431	nMaxUserNameSize);
4432
4433
4434	return (lpResult); /* deliver return code */
4435	}
4436
4437	/*****************************************************************************
4438	* Name : HMGetNamedPipeInfo
4439	* Purpose :
4440	* Parameters:
4441	* Variables :
4442	* Result :
4443	* Remark :
4444	* Status :
4445	*
4446	* Author : Przemyslaw Dobrowolski
4447	*****************************************************************************/
4448	BOOL HMGetNamedPipeInfo(HANDLE hPipe,
4449	LPDWORD lpFlags,
4450	LPDWORD lpOutBufferSize,
4451	LPDWORD lpInBufferSize,
4452	LPDWORD lpMaxInstances)
4453	{
4454	int iIndex; /* index into the handle table */
4455	BOOL lpResult; /* result from the device handler's API */
4456	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4457
4458	SetLastError(ERROR_SUCCESS);
4459	/* validate handle */
4460	iIndex = _HMHandleQuery(hPipe); /* get the index */
4461	if (-1 == iIndex) /* error ? */
4462	{
4463	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4464	return FALSE; /* signal failure */
4465	}
4466
4467	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4468	lpResult = pHMHandle->pDeviceHandler->GetNamedPipeInfo(&TabWin32Handles[iIndex].hmHandleData,
4469	lpFlags,
4470	lpOutBufferSize,
4471	lpInBufferSize,
4472	lpMaxInstances);
4473
4474	return (lpResult); /* deliver return code */
4475	}
4476
4477	/*****************************************************************************
4478	* Name : HMTransactNamedPipe
4479	* Purpose :
4480	* Parameters:
4481	* Variables :
4482	* Result :
4483	* Remark :
4484	* Status :
4485	*
4486	* Author : Przemyslaw Dobrowolski
4487	*****************************************************************************/
4488	DWORD HMTransactNamedPipe(HANDLE hPipe,
4489	LPVOID lpvWriteBuf,
4490	DWORD cbWriteBuf,
4491	LPVOID lpvReadBuf,
4492	DWORD cbReadBuf,
4493	LPDWORD lpcbRead,
4494	LPOVERLAPPED lpo)
4495	{
4496	int iIndex; /* index into the handle table */
4497	DWORD lpResult; /* result from the device handler's API */
4498	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4499
4500	SetLastError(ERROR_SUCCESS);
4501	/* validate handle */
4502	iIndex = _HMHandleQuery(hPipe); /* get the index */
4503	if (-1 == iIndex) /* error ? */
4504	{
4505	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4506	return FALSE; /* signal failure */
4507	}
4508
4509	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4510	lpResult = pHMHandle->pDeviceHandler->TransactNamedPipe(&TabWin32Handles[iIndex].hmHandleData,
4511	lpvWriteBuf,
4512	cbWriteBuf,
4513	lpvReadBuf,
4514	cbReadBuf,
4515	lpcbRead,
4516	lpo);
4517
4518	return (lpResult); /* deliver return code */
4519	}
4520
4521	/*****************************************************************************
4522	* Name : HMSetNamedPipeHandleState
4523	* Purpose :
4524	* Parameters:
4525	* Variables :
4526	* Result :
4527	* Remark :
4528	* Status :
4529	*
4530	* Author : Przemyslaw Dobrowolski
4531	*****************************************************************************/
4532	BOOL HMSetNamedPipeHandleState(HANDLE hPipe,
4533	LPDWORD lpdwMode,
4534	LPDWORD lpcbMaxCollect,
4535	LPDWORD lpdwCollectDataTimeout)
4536	{
4537	int iIndex; /* index into the handle table */
4538	BOOL lpResult; /* result from the device handler's API */
4539	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4540
4541	SetLastError(ERROR_SUCCESS);
4542	/* validate handle */
4543	iIndex = _HMHandleQuery(hPipe); /* get the index */
4544	if (-1 == iIndex) /* error ? */
4545	{
4546	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4547	return FALSE; /* signal failure */
4548	}
4549
4550	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4551	lpResult = pHMHandle->pDeviceHandler->SetNamedPipeHandleState(&TabWin32Handles[iIndex].hmHandleData,
4552	lpdwMode,
4553	lpcbMaxCollect,
4554	lpdwCollectDataTimeout);
4555
4556	return (lpResult); /* deliver return code */
4557	}
4558
4559	/*****************************************************************************
4560	* Name : HMCreatePipe
4561	* Purpose :
4562	* Parameters:
4563	* Variables :
4564	* Result :
4565	* Remark :
4566	* Status : NOT TESTED!
4567	*
4568	* Author : Przemyslaw Dobrowolski
4569	*****************************************************************************/
4570	BOOL HMCreatePipe(PHANDLE phRead,
4571	PHANDLE phWrite,
4572	LPSECURITY_ATTRIBUTES lpsa,
4573	DWORD cbPipe)
4574	{
4575	int iIndex; /* index into the handle table */
4576	int iIndexNewRead; /* index into the handle table */
4577	int iIndexNewWrite; /* index into the handle table */
4578	HMDeviceHandler pDeviceHandler; / device handler for this handle */
4579	PHMHANDLEDATA pHMHandleData;
4580	HANDLE rc; /* API return code */
4581
4582	SetLastError(ERROR_SUCCESS);
4583
4584	pDeviceHandler = HMGlobals.pHMNamedPipe; /* device is predefined */
4585
4586	iIndexNewRead = _HMHandleGetFree(); /* get free handle */
4587	if (-1 == iIndexNewRead) /* oops, no free handles ! */
4588	{
4589	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
4590	return 0;
4591	}
4592
4593	iIndexNewWrite = _HMHandleGetFree(); /* get free handle */
4594	if (-1 == iIndexNewWrite) /* oops, no free handles ! */
4595	{
4596	HMHandleFree(iIndexNewRead);
4597	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
4598	return 0;
4599	}
4600
4601
4602	/* initialize the complete HMHANDLEDATA structure */
4603	pHMHandleData = &TabWin32Handles[iIndexNewRead].hmHandleData;
4604	pHMHandleData->dwType = FILE_TYPE_PIPE;
4605	pHMHandleData->dwAccess = 0;
4606	pHMHandleData->dwShare = 0;
4607	pHMHandleData->dwCreation = 0;
4608	pHMHandleData->dwFlags = 0;
4609	pHMHandleData->lpHandlerData = NULL;
4610
4611	/* we've got to mark the handle as occupied here, since another device */
4612	/* could be created within the device handler -> deadlock */
4613
4614	/* write appropriate entry into the handle table if open succeeded */
4615	TabWin32Handles[iIndexNewRead].hmHandleData.hHMHandle = iIndexNewRead;
4616	TabWin32Handles[iIndexNewRead].pDeviceHandler = pDeviceHandler;
4617
4618	/* initialize the complete HMHANDLEDATA structure */
4619	pHMHandleData = &TabWin32Handles[iIndexNewWrite].hmHandleData;
4620	pHMHandleData->dwType = FILE_TYPE_PIPE;
4621	pHMHandleData->dwAccess = 0;
4622	pHMHandleData->dwShare = 0;
4623	pHMHandleData->dwCreation = 0;
4624	pHMHandleData->dwFlags = 0;
4625	pHMHandleData->lpHandlerData = NULL;
4626
4627	/* we've got to mark the handle as occupied here, since another device */
4628	/* could be created within the device handler -> deadlock */
4629
4630	/* write appropriate entry into the handle table if open succeeded */
4631	TabWin32Handles[iIndexNewWrite].hmHandleData.hHMHandle = iIndexNewWrite;
4632	TabWin32Handles[iIndexNewWrite].pDeviceHandler = pDeviceHandler;
4633	/* call the device handler */
4634
4635	rc = pDeviceHandler->CreatePipe(&TabWin32Handles[iIndexNewRead].hmHandleData,
4636	&TabWin32Handles[iIndexNewWrite].hmHandleData,
4637	lpsa,
4638	cbPipe);
4639
4640	if (rc == 0) /* oops, creation failed within the device handler */
4641	{
4642	HMHandleFree(iIndexNewRead);
4643	HMHandleFree(iIndexNewWrite);
4644	return FALSE; /* signal error */
4645	}
4646
4647	*phRead = iIndexNewRead;
4648	*phWrite = iIndexNewWrite;
4649
4650	return TRUE;
4651	}
4652
4653	/*****************************************************************************
4654	* Name : HMCreateMailslotA
4655	* Purpose :
4656	* Parameters:
4657	* Variables :
4658	* Result :
4659	* Remark :
4660	* Status :
4661	*
4662	* Author : SvL
4663	*****************************************************************************/
4664	HANDLE HMCreateMailslotA(LPCSTR lpName, DWORD nMaxMessageSize,
4665	DWORD lReadTimeout,
4666	LPSECURITY_ATTRIBUTES lpSecurityAttributes)
4667	{
4668	int iIndex; /* index into the handle table */
4669	int iIndexNew; /* index into the handle table */
4670	HMMailslotClass pDeviceHandler; / device handler for this handle */
4671	PHMHANDLEDATA pHMHandleData;
4672	BOOL rc; /* API return code */
4673
4674	SetLastError(ERROR_SUCCESS);
4675
4676	pDeviceHandler = (HMMailslotClass )HMGlobals.pHMMailslot; / device is predefined */
4677
4678	iIndexNew = _HMHandleGetFree(); /* get free handle */
4679	if (-1 == iIndexNew) /* oops, no free handles ! */
4680	{
4681	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
4682	return 0;
4683	}
4684
4685	/* initialize the complete HMHANDLEDATA structure */
4686	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
4687	pHMHandleData->dwType = FILE_TYPE_UNKNOWN;
4688	pHMHandleData->dwAccess = 0;
4689	pHMHandleData->dwShare = 0;
4690	pHMHandleData->dwCreation = 0;
4691	pHMHandleData->dwFlags = 0;
4692	pHMHandleData->lpHandlerData = NULL;
4693
4694	/* we've got to mark the handle as occupied here, since another device */
4695	/* could be created within the device handler -> deadlock */
4696
4697	/* write appropriate entry into the handle table if open succeeded */
4698	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
4699	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
4700
4701	/* call the device handler */
4702
4703	rc = pDeviceHandler->CreateMailslotA(&TabWin32Handles[iIndexNew].hmHandleData,
4704	lpName, nMaxMessageSize,
4705	lReadTimeout, lpSecurityAttributes);
4706
4707	if (rc == FALSE) /* oops, creation failed within the device handler */
4708	{
4709	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
4710	return 0; /* signal error */
4711	}
4712
4713	return iIndexNew;
4714	}
4715	/*****************************************************************************
4716	* Name : HMGetMailslotInfo
4717	* Purpose :
4718	* Parameters:
4719	* Variables :
4720	* Result :
4721	* Remark :
4722	* Status :
4723	*
4724	* Author : SvL
4725	*****************************************************************************/
4726	BOOL HMGetMailslotInfo(HANDLE hMailslot,
4727	LPDWORD lpMaxMessageSize,
4728	LPDWORD lpNextSize,
4729	LPDWORD lpMessageCount,
4730	LPDWORD lpReadTimeout)
4731	{
4732	int iIndex; /* index into the handle table */
4733	BOOL lpResult; /* result from the device handler's API */
4734	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4735
4736	SetLastError(ERROR_SUCCESS);
4737	/* validate handle */
4738	iIndex = _HMHandleQuery(hMailslot); /* get the index */
4739	if (-1 == iIndex) /* error ? */
4740	{
4741	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4742	return FALSE; /* signal failure */
4743	}
4744
4745	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4746	lpResult = pHMHandle->pDeviceHandler->GetMailslotInfo(&TabWin32Handles[iIndex].hmHandleData,
4747	lpMaxMessageSize,
4748	lpNextSize,
4749	lpMessageCount,
4750	lpReadTimeout);
4751	return (lpResult); /* deliver return code */
4752	}
4753	/*****************************************************************************
4754	* Name : HMSetMailslotInfo
4755	* Purpose :
4756	* Parameters:
4757	* Variables :
4758	* Result :
4759	* Remark :
4760	* Status :
4761	*
4762	* Author : SvL
4763	*****************************************************************************/
4764	BOOL HMSetMailslotInfo(HANDLE hMailslot,
4765	DWORD dwReadTimeout)
4766	{
4767	int iIndex; /* index into the handle table */
4768	BOOL lpResult; /* result from the device handler's API */
4769	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4770
4771	SetLastError(ERROR_SUCCESS);
4772	/* validate handle */
4773	iIndex = _HMHandleQuery(hMailslot); /* get the index */
4774	if (-1 == iIndex) /* error ? */
4775	{
4776	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4777	return FALSE; /* signal failure */
4778	}
4779
4780	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4781	lpResult = pHMHandle->pDeviceHandler->SetMailslotInfo(&TabWin32Handles[iIndex].hmHandleData,
4782	dwReadTimeout);
4783
4784	return (lpResult); /* deliver return code */
4785	}

Note: See TracBrowser for help on using the repository browser.

Download in other formats: