Context Navigation

source: trunk/src/kernel32/HandleManager.cpp@ 4695

Visit:

Last change on this file since 4695 was 4695, checked in by phaller, 25 years ago
accelerated get handle type
File size: 174.9 KB

Line
1	/* $Id: HandleManager.cpp,v 1.55 2000-11-24 16:16:18 phaller 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 <vmutex.h>
64
65	#define DBG_LOCALLOG DBG_handlemanager
66	#include "dbglocal.h"
67
68	/*****************************************************************************
69	* Defines *
70	*****************************************************************************/
71
72	/* this is the size of our currently static handle table */
73	#define MAX_OS2_HMHANDLES 4096
74
75
76	/*****************************************************************************
77	* Structures *
78	*****************************************************************************/
79
80	typedef struct _HMDEVICE;
81
82	typedef struct _HMHANDLE
83	{
84	HMDeviceHandler pDeviceHandler; / handler for this pseudo-device */
85	HMHANDLEDATA hmHandleData; /* attributes of the handle */
86	} HMHANDLE, *PHMHANDLE;
87
88
89	typedef struct _HMDEVICE
90	{
91	struct _HMDEVICE pNext; / pointer to next device in chain */
92
93	LPSTR pszDeviceName; /* name or alias of the pseudo-device */
94	HMDeviceHandler pDeviceHandler; / handler for this pseudo-device */
95	VOID pDevData; / Pointer To Device data */
96	} HMDEVICE, *PHMDEVICE;
97
98
99	/*****************************************************************************
100	* This pseudo-device logs all device requests to the logfile and returns *
101	* ERROR_INVALID_FUNCTION to virtually all requests -> debugging *
102	*****************************************************************************/
103	class HMDeviceDebugClass : public HMDeviceHandler
104	{
105	public:
106	HMDeviceDebugClass(LPCSTR lpDeviceName) : HMDeviceHandler(lpDeviceName) {}
107	};
108
109
110	/*****************************************************************************
111	* Process Global Structures *
112	*****************************************************************************/
113
114
115	/* the device name is repeated here to enable device alias names */
116	static PHMDEVICE TabWin32Devices = NULL;
117
118	static HMHANDLE TabWin32Handles[MAX_OS2_HMHANDLES]; /* static handle table */
119	VMutex handleMutex;
120
121	struct _HMGlobals
122	{
123	HANDLE hStandardIn; /* stdin handle to CONIN$ */
124	HANDLE hStandardOut; /* stdout handle to CONOUT$ */
125	HANDLE hStandardError; /* stderr handle to CONOUT$ */
126
127	BOOL fIsInitialized; /* if HM is initialized already ? */
128	/* this MUST !!! be false initially */
129
130	HMDeviceHandler pHMOpen32; / default handle manager instance */
131	HMDeviceHandler pHMEvent; / static instances of subsystems */
132	HMDeviceHandler *pHMFile;
133	HMDeviceHandler *pHMDisk;
134	HMDeviceHandler *pHMMutex;
135	HMDeviceHandler *pHMSemaphore;
136	HMDeviceHandler pHMFileMapping; / static instances of subsystems */
137	HMDeviceHandler pHMComm; / serial communication */
138	HMDeviceHandler pHMToken; / security tokens */
139	HMDeviceHandler *pHMThread;
140	HMDeviceHandler *pHMNamedPipe;
141
142	ULONG ulHandleLast; /* index of last used handle */
143	} HMGlobals;
144
145
146	/*****************************************************************************
147	* Local Prototypes *
148	*****************************************************************************/
149
150	/* get appropriate device handler by the device name */
151	static HMDeviceHandler* _Optlink _HMDeviceFind(LPSTR pszDeviceName);
152
153	/* get next free handle from the handle table */
154	static ULONG _Optlink _HMHandleGetFree(void);
155
156	/* get handle table entry from handle */
157	static ULONG _Optlink _HMHandleQuery(HANDLE hHandle);
158
159	// Get GlobalDeviceData
160	static VOID *_HMDeviceGetData (LPSTR pszDeviceName);
161
162
163	/*****************************************************************************
164	* Name : static HMDeviceHandler * _HMDeviceFind
165	* Purpose : obtain appropriate device handler from the table by searching
166	* for a device name or alias
167	* Parameters: PSZ pszDeviceName
168	* Variables :
169	* Result : HMDeviceHandler * - pointer to the handler object
170	* Remark :
171	* Status :
172	*
173	* Author : Patrick Haller [Wed, 1998/02/11 20:42]
174	*****************************************************************************/
175
176	static HMDeviceHandler *_HMDeviceFind (LPSTR pszDeviceName)
177	{
178	PHMDEVICE pHMDevice; /* iterator over the device table */
179	int namelength = strlen(pszDeviceName);
180
181	if (pszDeviceName != NULL)
182	{
183	for (pHMDevice = TabWin32Devices; /* loop over all devices in the table */
184	pHMDevice != NULL;
185	pHMDevice = pHMDevice->pNext)
186	{
187	if(pHMDevice->pDeviceHandler->FindDevice(pHMDevice->pszDeviceName, pszDeviceName, namelength) == TRUE)
188	{
189	return pHMDevice->pDeviceHandler;
190	}
191	}
192	}
193	return (HMGlobals.pHMOpen32); /* haven't found anything, return default */
194	}
195	/*****************************************************************************
196	* Name : static VOID *_HMDeviceGetData
197	* Purpose : obtain pointer to device data from the table by searching
198	* for a device name or alias
199	* Parameters: PSZ pszDeviceName
200	* Variables :
201	* Result : VOID * - pointer to the handlers device data
202	* Remark :
203	* Status :
204	*
205	* Author : Markus Montkowski
206	*****************************************************************************/
207
208	static VOID *_HMDeviceGetData (LPSTR pszDeviceName)
209	{
210	PHMDEVICE pHMDevice; /* iterator over the device table */
211	int namelength = strlen(pszDeviceName);
212
213	if (pszDeviceName != NULL)
214	{
215	for (pHMDevice = TabWin32Devices; /* loop over all devices in the table */
216	pHMDevice != NULL;
217	pHMDevice = pHMDevice->pNext)
218	{
219	if(pHMDevice->pDeviceHandler->FindDevice(pHMDevice->pszDeviceName, pszDeviceName, namelength) == TRUE)
220	{
221	return (pHMDevice->pDevData); /* OK, we've found our device */
222	}
223	}
224	}
225	return (NULL); /* haven't found anything, return NULL */
226	}
227
228	/*****************************************************************************
229	* Name : static int _HMHandleGetFree
230	* Purpose : get index to first free handle in the handle table
231	* Parameters:
232	* Variables :
233	* Result : int iIndex - index to the table or -1 in case of error
234	* Remark :
235	* Status :
236	*
237	* Author : Patrick Haller [Wed, 1998/02/11 20:43]
238	*****************************************************************************/
239
240	static ULONG _HMHandleGetFree(void)
241	{
242	register ULONG ulLoop;
243
244	handleMutex.enter();
245
246	for (ulLoop = 1; // @@@PH Note, this is an experimental change
247	// 0L as hHandle is sometimes considered invalid!
248	// this will never return 0l as free handle now.
249	ulLoop < MAX_OS2_HMHANDLES;
250	ulLoop++)
251	{
252	/* free handle found ? */
253	if (INVALID_HANDLE_VALUE == TabWin32Handles[ulLoop].hmHandleData.hHMHandle) {
254	TabWin32Handles[ulLoop].hmHandleData.dwUserData = 0;
255	TabWin32Handles[ulLoop].hmHandleData.dwInternalType = HMTYPE_UNKNOWN;
256	TabWin32Handles[ulLoop].hmHandleData.lpDeviceData = NULL;
257	handleMutex.leave();
258	return (ulLoop); /* OK, then return it to the caller */
259	}
260	}
261
262	handleMutex.leave();
263	return (INVALID_HANDLE_VALUE); /* haven't found any free handle */
264	}
265
266
267	/*****************************************************************************
268	* Name : HMHandleGetUserData
269	* Purpose : Get the dwUserData dword for a specific handle
270	* Parameters: HANDLE hHandle
271	* Variables :
272	* Result : -1 or dwUserData
273	* Remark :
274	* Status :
275	*
276	* Author : SvL
277	*****************************************************************************/
278	DWORD HMHandleGetUserData(ULONG hHandle)
279	{
280	if (hHandle > MAX_OS2_HMHANDLES) /* check the table range */
281	return (-1);
282	/* Oops, invalid handle ! */
283	if (INVALID_HANDLE_VALUE == TabWin32Handles[hHandle].hmHandleData.hHMHandle)
284	return (-1); /* nope, ERROR_INVALID_HANDLE */
285
286	return TabWin32Handles[hHandle].hmHandleData.dwUserData;
287	}
288
289	/*****************************************************************************
290	* Name : static int _HMHandleQuery
291	* Purpose : gets the index of handle table entry as fast as possible from
292	* the specified handle
293	* Parameters: HANDLE hHandle
294	* Variables :
295	* Result : index or -1 in case of error
296	* Remark :
297	* Status :
298	*
299	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
300	*****************************************************************************/
301
302	static ULONG _HMHandleQuery(HANDLE hHandle)
303	{
304	if (hHandle > MAX_OS2_HMHANDLES) /* check the table range */
305	return (INVALID_HANDLE_VALUE); /* nope, ERROR_INVALID_HANDLE */
306
307	/* Oops, invalid handle ! */
308	if (INVALID_HANDLE_VALUE == TabWin32Handles[hHandle].hmHandleData.hHMHandle)
309	return (INVALID_HANDLE_VALUE); /* nope, ERROR_INVALID_HANDLE */
310
311	return ( hHandle); /* OK, we've got our handle index */
312	}
313
314
315	/*****************************************************************************
316	* Name : DWORD HMDeviceRegister
317	* Purpose : register a device with the handle manager
318	* Parameters: PSZ pszDeviceName
319	* HMDeviceHandler *pDeviceHandler
320	* Variables :
321	* Result : API returncode
322	* Remark :
323	* Status :
324	*
325	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
326	*****************************************************************************/
327
328	DWORD HMDeviceRegisterEx(LPSTR pszDeviceName,
329	HMDeviceHandler *pDeviceHandler,
330	VOID *pDevData)
331	{
332	PHMDEVICE pHMDevice; /* our new device to be allocated */
333
334	if ( (pszDeviceName == NULL) \|\| /* check parameters */
335	(pDeviceHandler == NULL) )
336	return (ERROR_INVALID_PARAMETER); /* raise error conditon */
337
338
339	pHMDevice = (PHMDEVICE) malloc (sizeof (HMDEVICE) ); /* allocate memory */
340	if (pHMDevice == NULL) /* check proper allocation */
341	return (ERROR_NOT_ENOUGH_MEMORY); /* signal error */
342
343	pHMDevice->pszDeviceName = strdup(pszDeviceName); /* copy name */
344	if (pHMDevice->pszDeviceName == NULL) /* check proper allocation */
345	{
346	free (pHMDevice); /* free previously allocated memory */
347	return (ERROR_NOT_ENOUGH_MEMORY); /* signal error */
348	}
349
350	pHMDevice->pDeviceHandler = pDeviceHandler; /* store pointer to device */
351	pHMDevice->pNext = TabWin32Devices; /* establish linkage */
352	pHMDevice->pDevData = pDevData;
353
354	TabWin32Devices = pHMDevice; /* insert new node as root in the list */
355
356	return (NO_ERROR);
357	}
358
359	DWORD HMDeviceRegister(LPSTR pszDeviceName,
360	HMDeviceHandler *pDeviceHandler)
361	{
362	return HMDeviceRegisterEx(pszDeviceName, pDeviceHandler, NULL);
363	}
364
365	/*****************************************************************************
366	* Name : DWORD HMInitialize
367	* Purpose : Initialize the handlemanager
368	* Parameters: -
369	* Variables : -
370	* Result : always NO_ERROR
371	* Remark : this routine just stores the standard handles in the
372	* internal table within the HandleManager
373	* Status :
374	*
375	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
376	*****************************************************************************/
377
378	DWORD HMInitialize(void)
379	{
380	ULONG ulIndex;
381
382	if (HMGlobals.fIsInitialized != TRUE)
383	{
384	handleMutex.enter();
385	// fill handle table
386	for(ulIndex = 0; ulIndex < MAX_OS2_HMHANDLES; ulIndex++) {
387	TabWin32Handles[ulIndex].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
388	}
389	handleMutex.leave();
390
391	dprintf(("KERNEL32:HandleManager:HMInitialize() storing handles.\n"));
392
393	memset(&HMGlobals, /* zero out the structure first */
394	0,
395	sizeof(HMGlobals));
396
397	HMGlobals.fIsInitialized = TRUE; /* OK, done */
398
399	/* copy standard handles from OS/2's Open32 Subsystem */
400	HMSetStdHandle(STD_INPUT_HANDLE, O32_GetStdHandle(STD_INPUT_HANDLE));
401	HMSetStdHandle(STD_OUTPUT_HANDLE, O32_GetStdHandle(STD_OUTPUT_HANDLE));
402	HMSetStdHandle(STD_ERROR_HANDLE, O32_GetStdHandle(STD_ERROR_HANDLE));
403
404	/* create handle manager instance for Open32 handles */
405	HMGlobals.pHMOpen32 = new HMDeviceOpen32Class("\\\\.\\");
406	HMGlobals.pHMEvent = new HMDeviceEventClass("\\\\EVENT\\");
407	HMGlobals.pHMFile = new HMDeviceFileClass("\\\\FILE\\");
408	HMGlobals.pHMDisk = new HMDeviceDiskClass("\\\\DISK\\");
409	HMGlobals.pHMMutex = new HMDeviceMutexClass("\\\\MUTEX\\");
410	HMGlobals.pHMSemaphore = new HMDeviceSemaphoreClass("\\\\SEM\\");
411	HMGlobals.pHMFileMapping= new HMDeviceMemMapClass("\\\\MEMMAP\\");
412	HMGlobals.pHMComm = new HMDeviceCommClass("\\\\COM\\");
413	HMGlobals.pHMToken = new HMDeviceTokenClass("\\\\TOKEN\\");
414	HMGlobals.pHMThread = new HMDeviceThreadClass("\\\\THREAD\\");
415	HMGlobals.pHMNamedPipe = new HMDeviceNamedPipeClass("\\\\PIPE\\");
416	}
417	return (NO_ERROR);
418	}
419
420
421	/*****************************************************************************
422	* Name : DWORD HMTerminate
423	* Purpose : Terminate the handlemanager
424	* Parameters:
425	* Variables :
426	* Result :
427	* Remark :
428	* Status :
429	*
430	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
431	*****************************************************************************/
432
433	DWORD HMTerminate(void)
434	{
435	/* @@@PH we could deallocate the device list here */
436
437	if(HMGlobals.pHMOpen32)
438	delete HMGlobals.pHMOpen32;
439	if(HMGlobals.pHMEvent)
440	delete HMGlobals.pHMEvent;
441	if(HMGlobals.pHMFile)
442	delete HMGlobals.pHMFile;
443	if(HMGlobals.pHMMutex)
444	delete HMGlobals.pHMMutex;
445	if(HMGlobals.pHMSemaphore)
446	delete HMGlobals.pHMSemaphore;
447	if(HMGlobals.pHMFileMapping)
448	delete HMGlobals.pHMFileMapping;
449	if(HMGlobals.pHMComm)
450	delete HMGlobals.pHMComm;
451	if(HMGlobals.pHMToken)
452	delete HMGlobals.pHMToken;
453	if(HMGlobals.pHMThread)
454	delete HMGlobals.pHMThread;
455	if(HMGlobals.pHMNamedPipe)
456	delete HMGlobals.pHMNamedPipe;
457	if(HMGlobals.pHMDisk)
458	delete HMGlobals.pHMDisk;
459
460	return (NO_ERROR);
461	}
462
463
464	/*****************************************************************************/
465	/* handle translation buffer management */
466	/* */
467	/* Since some Win32 applications rely (!) on 16-bit handles, we've got to do */
468	/* 32-bit to 16-bit and vs vsa translation here. */
469	/* Filehandle-based functions should be routed via the handlemanager instead */
470	/* of going to Open32 directly. */
471	/*****************************************************************************/
472
473
474	/*****************************************************************************
475	* Name : DWORD HMHandleAllocate
476	* Purpose : allocate a handle in the translation table
477	* Parameters: PULONG pHandle16 - to return the allocated handle
478	* ULONG hHandle32 - the associated OS/2 handle
479	* Variables :
480	* Result : API returncode
481	* Remark : no parameter checking is done, phHandle may not be invalid
482	* hHandle32 shouldn't be 0
483	* Should be protected with a HM-Mutex !
484	* Status :
485	*
486	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
487	*****************************************************************************/
488
489	DWORD HMHandleAllocate (PULONG phHandle16,
490	ULONG hHandleOS2)
491	{
492	register ULONG ulHandle;
493
494	#ifdef DEBUG_LOCAL
495	dprintf(("KERNEL32: HMHandleAllocate (%08xh,%08xh)\n",
496	phHandle16,
497	hHandleOS2));
498	#endif
499
500	ulHandle = HMGlobals.ulHandleLast; /* get free handle */
501
502	handleMutex.enter();
503
504	if(ulHandle == 0) {
505	ulHandle = 1; //SvL: Start searching from index 1
506	}
507	do
508	{
509	/* check if handle is free */
510	if (TabWin32Handles[ulHandle].hmHandleData.hHMHandle == INVALID_HANDLE_VALUE)
511	{
512	*phHandle16 = ulHandle;
513	TabWin32Handles[ulHandle].hmHandleData.hHMHandle = hHandleOS2;
514	TabWin32Handles[ulHandle].hmHandleData.lpDeviceData = NULL;
515	HMGlobals.ulHandleLast = ulHandle; /* to shorten search times */
516
517	handleMutex.leave();
518	return (NO_ERROR); /* OK */
519	}
520
521	ulHandle++; /* skip to next entry */
522
523	if (ulHandle >= MAX_OS2_HMHANDLES) /* check boundary */
524	ulHandle = 1;
525	}
526	while (ulHandle != HMGlobals.ulHandleLast);
527
528	handleMutex.leave();
529
530	return (ERROR_TOO_MANY_OPEN_FILES); /* OK, we're done */
531	}
532
533
534	/*****************************************************************************
535	* Name : DWORD HMHandleFree
536	* Purpose : free a handle from the translation table
537	* Parameters: ULONG hHandle16 - the handle to be freed
538	* Variables :
539	* Result : API returncode
540	* Remark : no parameter checking is done, hHandle16 MAY NEVER exceed
541	* the MAX_TRANSLATION_HANDLES boundary
542	* Status :
543	*
544	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
545	*****************************************************************************/
546
547	DWORD HMHandleFree (ULONG hHandle16)
548	{
549	ULONG rc; /* API returncode */
550
551	#ifdef DEBUG_LOCAL
552	dprintf(("KERNEL32: HMHandleFree (%08xh)\n",
553	hHandle16));
554	#endif
555
556	rc = HMHandleValidate(hHandle16); /* verify handle */
557	if (rc != NO_ERROR) /* check errors */
558	return (rc); /* raise error condition */
559
560	TabWin32Handles[hHandle16].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
561	/* OK, done */
562
563	return (NO_ERROR);
564	}
565
566
567	/*****************************************************************************
568	* Name : DWORD HMHandleValidate
569	* Purpose : validate a handle through the translation table
570	* Parameters: ULONG hHandle16 - the handle to be verified
571	* Variables :
572	* Result : API returncode
573	* Remark :
574	* Status :
575	*
576	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
577	*****************************************************************************/
578
579	DWORD HMHandleValidate (ULONG hHandle16)
580	{
581	#ifdef DEBUG_LOCAL
582	dprintf(("KERNEL32: HMHandleValidate (%08xh)\n",
583	hHandle16));
584	#endif
585
586	if (hHandle16 >= MAX_OS2_HMHANDLES) /* check boundary */
587	return (ERROR_INVALID_HANDLE); /* raise error condition */
588
589	if (TabWin32Handles[hHandle16].hmHandleData.hHMHandle == INVALID_HANDLE_VALUE)
590	/* valid ? */
591	return (ERROR_INVALID_HANDLE); /* raise error condition */
592
593	return (NO_ERROR);
594	}
595
596
597	/*****************************************************************************
598	* Name : DWORD HMHandleTranslateToWin
599	* Purpose : translate a 32-bit OS/2 handle to the associated windows handle
600	* Parameters: ULONG hHandle32 - the OS/2 handle
601	* PULONG phHandle16 - the associated windows handle
602	* Variables :
603	* Result : API returncode
604	* Remark :
605	* Status :
606	*
607	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
608	*****************************************************************************/
609
610	DWORD HMHandleTranslateToWin (ULONG hHandleOS2,
611	PULONG phHandle16)
612	{
613	ULONG rc; /* API returncode */
614	register ULONG ulIndex; /* index counter over the table */
615
616	#ifdef DEBUG_LOCAL
617	dprintf(("KERNEL32: HMHandleTranslateToWin (%08xh, %08xh)\n",
618	hHandleOS2,
619	phHandle16));
620	#endif
621
622	for (ulIndex = 1;
623	ulIndex < MAX_OS2_HMHANDLES;
624	ulIndex++)
625	{
626	/* look for the handle */
627	if (TabWin32Handles[ulIndex].hmHandleData.hHMHandle == hHandleOS2)
628	{
629	phHandle16 = ulIndex; / deliver result */
630	return (NO_ERROR); /* OK */
631	}
632	}
633
634	return (ERROR_INVALID_HANDLE); /* raise error condition */
635	}
636
637
638	/*****************************************************************************
639	* Name : DWORD HMHandleTranslateToOS2
640	* Purpose : translate a 16-bit Win32 handle to the associated OS/2 handle
641	* Parameters: ULONG hHandle16 - the windows handle
642	* PULONG phHandle32 - the associated OS/2 handle
643	* Variables :
644	* Result : API returncode
645	* Remark :
646	* Status :
647	*
648	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
649	*****************************************************************************/
650
651	DWORD HMHandleTranslateToOS2 (ULONG hHandle16,
652	PULONG phHandleOS2)
653	{
654	#ifdef DEBUG_LOCAL
655	dprintf(("KERNEL32: HMHandleTranslateToOS2 (%08xh, %08xh)\n",
656	hHandle16,
657	phHandleOS2));
658	#endif
659
660	if (HMHandleValidate(hHandle16) == NO_ERROR) /* verify handle */
661	{
662	*phHandleOS2 = TabWin32Handles[hHandle16].hmHandleData.hHMHandle;
663	return (NO_ERROR);
664	}
665
666	return (ERROR_INVALID_HANDLE); /* raise error condition */
667	}
668
669
670	/*****************************************************************************
671	* Name : DWORD HMHandleTranslateToOS2i
672	* Purpose : translate a 16-bit Win32 handle to the associated OS/2 handle
673	* Parameters: ULONG hHandle16 - the windows handle
674	* Variables :
675	* Result : OS/2 handle
676	* Remark : no checkinf
677	* Status :
678	*
679	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
680	*****************************************************************************/
681
682	DWORD HMHandleTranslateToOS2i (ULONG hHandle16)
683	{
684	#ifdef DEBUG_LOCAL
685	dprintf(("KERNEL32: HMHandleTranslateToOS2i (%08xh)\n",
686	hHandle16));
687	#endif
688
689	return(TabWin32Handles[hHandle16].hmHandleData.hHMHandle);
690	}
691
692
693
694	/*****************************************************************************
695	* Name : HANDLE _HMGetStdHandle
696	* Purpose : replacement for Open32's GetStdHandle function
697	* Parameters: DWORD nStdHandle
698	* Variables :
699	* Result : HANDLE to standard device
700	* Remark :
701	* Status :
702	*
703	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
704	*****************************************************************************/
705
706	HANDLE HMGetStdHandle(DWORD nStdHandle)
707	{
708	switch (nStdHandle)
709	{
710	case STD_INPUT_HANDLE: return (HMGlobals.hStandardIn);
711	case STD_OUTPUT_HANDLE: return (HMGlobals.hStandardOut);
712	case STD_ERROR_HANDLE: return (HMGlobals.hStandardError);
713
714	default:
715	{
716	SetLastError(ERROR_INVALID_PARAMETER); /* set error information */
717	return (INVALID_HANDLE_VALUE); /* raise error condition */
718	}
719	}
720	}
721
722
723	/*****************************************************************************
724	* Name : HANDLE _HMSetStdHandle
725	* Purpose : replacement for Open32's SetStdHandle function
726	* Parameters: DWORD nStdHandle
727	* HANDLE hHandle
728	* Variables :
729	* Result : BOOL fSuccess
730	* Remark :
731	* Status :
732	*
733	* Author : Patrick Haller [Wed, 1998/02/12 20:44]
734	*****************************************************************************/
735
736	BOOL HMSetStdHandle(DWORD nStdHandle,
737	HANDLE hHandle)
738	{
739	switch (nStdHandle)
740	{
741	case STD_INPUT_HANDLE: HMGlobals.hStandardIn = hHandle; return TRUE;
742	case STD_OUTPUT_HANDLE: HMGlobals.hStandardOut = hHandle; return TRUE;
743	case STD_ERROR_HANDLE: HMGlobals.hStandardError = hHandle; return TRUE;
744
745	default:
746	{
747	SetLastError(ERROR_INVALID_PARAMETER); /* set error information */
748	return (FALSE); /* raise error condition */
749	}
750	}
751	}
752
753
754	/*****************************************************************************
755	* Name : HANDLE HMDuplicateHandle
756	* Purpose : replacement for Open32's HMDuplicateHandle function
757	* Parameters:
758	*
759	* Variables :
760	* Result : BOOL fSuccess
761	* Remark :
762	* Status :
763	*
764	* Author : Sander van Leeuwen [Wed, 1999/08/25 15:44]
765	*****************************************************************************/
766
767	BOOL HMDuplicateHandle(HANDLE srcprocess,
768	HANDLE srchandle,
769	HANDLE destprocess,
770	PHANDLE desthandle,
771	DWORD fdwAccess,
772	BOOL fInherit,
773	DWORD fdwOptions,
774	DWORD fdwOdinOptions)
775	{
776	int iIndex; /* index into the handle table */
777	int iIndexNew; /* index into the handle table */
778	HMDeviceHandler pDeviceHandler; / device handler for this handle */
779	PHMHANDLEDATA pHMHandleData;
780	BOOL rc; /* API return code */
781
782	if(HMHandleValidate(srchandle) != NO_ERROR)
783	{
784	dprintf(("KERNEL32: HMDuplicateHandle: invalid handle %x", srchandle));
785	SetLastError(ERROR_INVALID_HANDLE); /* use this as error message */
786	return FALSE;
787	}
788
789	pDeviceHandler = TabWin32Handles[srchandle].pDeviceHandler; /* device is predefined */
790	iIndexNew = _HMHandleGetFree(); /* get free handle */
791	if (-1 == iIndexNew) /* oops, no free handles ! */
792	{
793	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
794	return FALSE; /* signal error */
795	}
796
797	/* initialize the complete HMHANDLEDATA structure */
798	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
799	pHMHandleData->dwType = TabWin32Handles[srchandle].hmHandleData.dwType;
800	if (fdwOptions & DUPLICATE_SAME_ACCESS)
801	pHMHandleData->dwAccess = TabWin32Handles[srchandle].hmHandleData.dwAccess;
802	else
803	pHMHandleData->dwAccess = fdwAccess;
804
805	if((fdwOdinOptions & DUPLICATE_ACCESS_READWRITE) == DUPLICATE_ACCESS_READWRITE) {
806	pHMHandleData->dwAccess = GENERIC_READ \| GENERIC_WRITE;
807	}
808	else
809	if(fdwOdinOptions & DUPLICATE_ACCESS_READ) {
810	pHMHandleData->dwAccess = GENERIC_READ;
811	}
812
813	if(fdwOdinOptions & DUPLICATE_SHARE_READ) {
814	pHMHandleData->dwShare = FILE_SHARE_READ;
815	}
816	else
817	if(fdwOdinOptions & DUPLICATE_SHARE_DENYNONE) {
818	pHMHandleData->dwShare = FILE_SHARE_READ \| FILE_SHARE_WRITE;
819	}
820	else pHMHandleData->dwShare = TabWin32Handles[srchandle].hmHandleData.dwShare;
821
822	pHMHandleData->dwCreation = TabWin32Handles[srchandle].hmHandleData.dwCreation;
823	pHMHandleData->dwFlags = TabWin32Handles[srchandle].hmHandleData.dwFlags;
824	pHMHandleData->lpHandlerData = TabWin32Handles[srchandle].hmHandleData.lpHandlerData;
825
826
827	/* we've got to mark the handle as occupied here, since another device */
828	/* could be created within the device handler -> deadlock */
829
830	/* write appropriate entry into the handle table if open succeeded */
831	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
832	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
833	/* call the device handler */
834	rc = pDeviceHandler->DuplicateHandle(&TabWin32Handles[iIndexNew].hmHandleData,
835	srcprocess,
836	&TabWin32Handles[srchandle].hmHandleData,
837	destprocess,
838	desthandle,
839	fdwAccess,
840	fInherit,
841	fdwOptions & ~DUPLICATE_CLOSE_SOURCE,
842	fdwOdinOptions);
843
844	//Don't let Open32 close it for us, but do it manually (regardless of error; see SDK docs))
845	if (fdwOptions & DUPLICATE_CLOSE_SOURCE)
846	HMCloseHandle(srchandle);
847
848	if(rc == FALSE) /* oops, creation failed within the device handler */
849	{
850	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
851	return FALSE; /* signal error */
852	}
853	else
854	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
855
856	*desthandle = iIndexNew;
857	return TRUE; /* return valid handle */
858	}
859
860	/*****************************************************************************
861	* Name : HANDLE HMCreateFile
862	* Purpose : Wrapper for the CreateFile() API
863	* Parameters:
864	* Variables :
865	* Result :
866	* Remark : Fix parameters passed to the HMDeviceManager::CreateFile
867	* Supply access mode and share mode validation routines
868	* Status :
869	*
870	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
871	*****************************************************************************/
872
873	HFILE HMCreateFile(LPCSTR lpFileName,
874	DWORD dwDesiredAccess,
875	DWORD dwShareMode,
876	LPSECURITY_ATTRIBUTES lpSecurityAttributes,
877	DWORD dwCreationDisposition,
878	DWORD dwFlagsAndAttributes,
879	HANDLE hTemplateFile)
880	{
881	int iIndex; /* index into the handle table */
882	int iIndexNew; /* index into the handle table */
883	HMDeviceHandler pDeviceHandler; / device handler for this handle */
884	HANDLE hResult;
885	DWORD rc; /* API return code */
886	PHMHANDLEDATA pHMHandleData;
887	HMHANDLEDATA HMHandleTemp; /* temporary buffer for handle data */
888	VOID *pDevData;
889
890	/* create new handle by either lpFileName or hTemplateFile */
891	if (lpFileName == NULL) /* this indicates creation from template */
892	{
893	iIndex = _HMHandleQuery(hTemplateFile); /* query table for template */
894	if (-1 == iIndex) /* this device is unknown to us */
895	{
896	SetLastError (ERROR_INVALID_HANDLE);
897	return INVALID_HANDLE_VALUE;
898	}
899	else
900	{
901	/* to pass to handler */
902	pHMHandleData = &TabWin32Handles[iIndex].hmHandleData;
903	pDeviceHandler = TabWin32Handles[iIndex].pDeviceHandler;
904	}
905	}
906	else
907	{
908	pDeviceHandler = _HMDeviceFind((LPSTR)lpFileName); /* find device */
909	if (NULL == pDeviceHandler) /* this name is unknown to us */
910	{
911	SetLastError(ERROR_FILE_NOT_FOUND);
912	return (INVALID_HANDLE_VALUE); /* signal error */
913	}
914	else
915	pHMHandleData = NULL;
916
917	pDevData = _HMDeviceGetData((LPSTR)lpFileName);
918
919	if(pDeviceHandler == HMGlobals.pHMOpen32) {
920	pDeviceHandler = HMGlobals.pHMFile;
921	}
922	}
923
924
925	iIndexNew = _HMHandleGetFree(); /* get free handle */
926	if (-1 == iIndexNew) /* oops, no free handles ! */
927	{
928	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
929	return (INVALID_HANDLE_VALUE); /* signal error */
930	}
931
932
933	/* initialize the complete HMHANDLEDATA structure */
934	if (lpFileName == NULL) /* create from template */
935	memcpy (&HMHandleTemp,
936	&TabWin32Handles[iIndex].hmHandleData,
937	sizeof(HMHANDLEDATA));
938	else
939	{
940	HMHandleTemp.dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
941	HMHandleTemp.dwAccess = dwDesiredAccess;
942	HMHandleTemp.dwShare = dwShareMode;
943	HMHandleTemp.dwCreation = dwCreationDisposition;
944	HMHandleTemp.dwFlags = dwFlagsAndAttributes;
945	HMHandleTemp.lpHandlerData = NULL;
946	HMHandleTemp.lpDeviceData = pDevData;
947	}
948
949	/* we've got to mark the handle as occupied here, since another device */
950	/* could be created within the device handler -> deadlock */
951
952	/* write appropriate entry into the handle table if open succeeded */
953	HMHandleTemp.hHMHandle = iIndexNew;
954	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
955	/* now copy back our temporary handle data */
956	memcpy(&TabWin32Handles[iIndexNew].hmHandleData,
957	&HMHandleTemp,
958	sizeof(HMHANDLEDATA));
959
960	rc = pDeviceHandler->CreateFile(lpFileName, /* call the device handler */
961	&HMHandleTemp,
962	lpSecurityAttributes,
963	pHMHandleData);
964
965	#ifdef DEBUG_LOCAL
966	dprintf(("KERNEL32/HandleManager:CheckPoint2: %s lpHandlerData=%08xh\n",
967	lpFileName,
968	HMHandleTemp.lpHandlerData));
969	#endif
970
971	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
972	{
973	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
974	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
975	return (INVALID_HANDLE_VALUE); /* signal error */
976	}
977	else
978	{
979	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
980
981	/* copy data fields that might have been modified by CreateFile */
982	memcpy(&TabWin32Handles[iIndexNew].hmHandleData,
983	&HMHandleTemp,
984	sizeof(HMHANDLEDATA));
985	}
986
987
988	#ifdef DEBUG_LOCAL
989	dprintf(("KERNEL32/HandleManager: CreateFile(%s)=%08xh\n",
990	lpFileName,
991	iIndexNew));
992	#endif
993
994	return (HFILE)iIndexNew; /* return valid handle */
995	}
996
997
998	/*****************************************************************************
999	* Name : HANDLE HMOpenFile
1000	* Purpose : Wrapper for the OpenFile() API
1001	* Parameters:
1002	* Variables :
1003	* Result :
1004	* Remark : Fix parameters passed to the HMDeviceManager::OpenFile
1005	* Supply access mode and share mode validation routines
1006	* Status :
1007	*
1008	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1009	*****************************************************************************/
1010
1011
1012	/***********************************************************************
1013	* FILE_ConvertOFMode
1014	*
1015	* Convert OF_* mode into flags for CreateFile.
1016	*/
1017	static void FILE_ConvertOFMode( INT mode, DWORD access, DWORD sharing )
1018	{
1019	switch(mode & 0x03)
1020	{
1021	case OF_READ: *access = GENERIC_READ; break;
1022	case OF_WRITE: *access = GENERIC_WRITE; break;
1023	case OF_READWRITE: *access = GENERIC_READ \| GENERIC_WRITE; break;
1024	default: *access = 0; break;
1025	}
1026	switch(mode & 0x70)
1027	{
1028	case OF_SHARE_EXCLUSIVE: *sharing = 0; break;
1029	case OF_SHARE_DENY_WRITE: *sharing = FILE_SHARE_READ; break;
1030	case OF_SHARE_DENY_READ: *sharing = FILE_SHARE_WRITE; break;
1031	case OF_SHARE_DENY_NONE:
1032	case OF_SHARE_COMPAT:
1033	default: *sharing = FILE_SHARE_READ \| FILE_SHARE_WRITE; break;
1034	}
1035	}
1036
1037	HANDLE HMOpenFile(LPCSTR lpFileName,
1038	OFSTRUCT* pOFStruct,
1039	UINT fuMode)
1040	{
1041	int iIndex; /* index into the handle table */
1042	int iIndexNew; /* index into the handle table */
1043	HMDeviceHandler pDeviceHandler; / device handler for this handle */
1044	VOID *pDevData;
1045	PHMHANDLEDATA pHMHandleData;
1046	DWORD rc; /* API return code */
1047
1048
1049	pDeviceHandler = _HMDeviceFind((LPSTR)lpFileName); /* find device */
1050	if (NULL == pDeviceHandler) /* this name is unknown to us */
1051	{
1052	SetLastError(ERROR_FILE_NOT_FOUND);
1053	return (INVALID_HANDLE_VALUE); /* signal error */
1054	}
1055	else
1056	pHMHandleData = NULL;
1057
1058	pDevData = _HMDeviceGetData((LPSTR)lpFileName);
1059
1060	if(pDeviceHandler == HMGlobals.pHMOpen32) {
1061	pDeviceHandler = HMGlobals.pHMFile;
1062	}
1063
1064	iIndexNew = _HMHandleGetFree(); /* get free handle */
1065	if (-1 == iIndexNew) /* oops, no free handles ! */
1066	{
1067	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
1068	return (INVALID_HANDLE_VALUE); /* signal error */
1069	}
1070
1071
1072	/* initialize the complete HMHANDLEDATA structure */
1073	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
1074	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
1075
1076	FILE_ConvertOFMode(fuMode, /* map OF_flags */
1077	&pHMHandleData->dwAccess,
1078	&pHMHandleData->dwShare);
1079
1080	//SvL; Must be OPEN_EXISTING because mmaps depend on it (to duplicate
1081	// the file handle when this handle is a parameter for CreateFileMappingA/W
1082	pHMHandleData->dwCreation = OPEN_EXISTING;
1083	pHMHandleData->dwFlags = 0;
1084	pHMHandleData->lpHandlerData = NULL;
1085	pHMHandleData->lpDeviceData = pDevData;
1086
1087	/* we've got to mark the handle as occupied here, since another device */
1088	/* could be created within the device handler -> deadlock */
1089
1090	/* write appropriate entry into the handle table if open succeeded */
1091	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
1092	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
1093
1094	rc = pDeviceHandler->OpenFile (lpFileName, /* call the device handler */
1095	&TabWin32Handles[iIndexNew].hmHandleData,
1096	pOFStruct,
1097	fuMode);
1098
1099	#ifdef DEBUG_LOCAL
1100	dprintf(("KERNEL32/HandleManager:CheckPoint3: %s lpHandlerData=%08xh rc=%08xh\n",
1101	lpFileName,
1102	&TabWin32Handles[iIndexNew].hmHandleData.lpHandlerData,
1103	rc));
1104	#endif
1105
1106	if(rc != NO_ERROR) /* oops, creation failed within the device handler */
1107	{
1108	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1109	SetLastError(pOFStruct->nErrCode);
1110	return (INVALID_HANDLE_VALUE); /* signal error */
1111	}
1112	else {
1113	if(fuMode & (OF_DELETE\|OF_EXIST)) {
1114	//file handle already closed
1115	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1116	return TRUE; //TODO: correct?
1117	}
1118	if(fuMode & OF_PARSE) {
1119	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1120	return 0;
1121	}
1122	if(fuMode & OF_VERIFY) {
1123	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
1124	return 1; //TODO: correct?
1125	}
1126	}
1127
1128	#ifdef DEBUG_LOCAL
1129	dprintf(("KERNEL32/HandleManager: OpenFile(%s)=%08xh\n",
1130	lpFileName,
1131	iIndexNew));
1132	#endif
1133
1134	return iIndexNew; /* return valid handle */
1135	}
1136
1137
1138
1139	/*****************************************************************************
1140	* Name : HANDLE HMCloseFile
1141	* Purpose : Wrapper for the CloseHandle() API
1142	* Parameters:
1143	* Variables :
1144	* Result :
1145	* Remark :
1146	* Status :
1147	*
1148	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1149	*****************************************************************************/
1150
1151	BOOL HMCloseHandle(HANDLE hObject)
1152	{
1153	int iIndex; /* index into the handle table */
1154	BOOL fResult; /* result from the device handler's CloseHandle() */
1155	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1156
1157	/* validate handle */
1158	iIndex = _HMHandleQuery(hObject); /* get the index */
1159	if (-1 == iIndex) /* error ? */
1160	{
1161	//@@@PH it may occur someone closes e.g. a semaphore handle
1162	// which is not registered through the HandleManager yet.
1163	// so we try to pass on to Open32 instead.
1164	dprintf(("KERNEL32: HandleManager:HMCloseHandle(%08xh) passed on to Open32.\n",
1165	hObject));
1166
1167	fResult = O32_CloseHandle(hObject);
1168	return (fResult);
1169
1170	//SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1171	//return (FALSE); /* signal failure */
1172	}
1173
1174	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1175	//SvL: Check if pDeviceHandler is set
1176	if (pHMHandle->pDeviceHandler)
1177	{
1178	fResult = pHMHandle->pDeviceHandler->CloseHandle(&pHMHandle->hmHandleData);
1179	}
1180	else
1181	{
1182	dprintf(("HMCloseHAndle(%08xh): pDeviceHandler not set", hObject));
1183	fResult = TRUE;
1184	}
1185
1186	if (fResult == TRUE) /* remove handle if close succeeded */
1187	{
1188	pHMHandle->hmHandleData.hHMHandle = INVALID_HANDLE_VALUE; /* mark handle as free */
1189	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
1190	}
1191
1192	return (fResult); /* deliver return code */
1193	}
1194
1195
1196	/*****************************************************************************
1197	* Name : HANDLE HMReadFile
1198	* Purpose : Wrapper for the ReadHandle() API
1199	* Parameters:
1200	* Variables :
1201	* Result :
1202	* Remark :
1203	* Status :
1204	*
1205	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1206	*****************************************************************************/
1207
1208	BOOL HMReadFile(HANDLE hFile,
1209	LPVOID lpBuffer,
1210	DWORD nNumberOfBytesToRead,
1211	LPDWORD lpNumberOfBytesRead,
1212	LPOVERLAPPED lpOverlapped)
1213	{
1214	int iIndex; /* index into the handle table */
1215	BOOL fResult; /* result from the device handler's CloseHandle() */
1216	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1217
1218	/* validate handle */
1219	iIndex = _HMHandleQuery(hFile); /* get the index */
1220	if (-1 == iIndex) /* error ? */
1221	{
1222	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1223	return (FALSE); /* signal failure */
1224	}
1225
1226	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1227	fResult = pHMHandle->pDeviceHandler->ReadFile(&pHMHandle->hmHandleData,
1228	lpBuffer,
1229	nNumberOfBytesToRead,
1230	lpNumberOfBytesRead,
1231	lpOverlapped);
1232
1233	return (fResult); /* deliver return code */
1234	}
1235	/*****************************************************************************
1236	* Name : HANDLE HMReadFileEx
1237	* Purpose : Wrapper for the ReadFileEx() API
1238	* Parameters:
1239	* Variables :
1240	* Result :
1241	* Remark :
1242	* Status :
1243	*
1244	* Author : SvL
1245	*****************************************************************************/
1246	BOOL HMReadFileEx(HANDLE hFile,
1247	LPVOID lpBuffer,
1248	DWORD nNumberOfBytesToRead,
1249	LPOVERLAPPED lpOverlapped,
1250	LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
1251	{
1252	int iIndex; /* index into the handle table */
1253	BOOL fResult; /* result from the device handler's CloseHandle() */
1254	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1255
1256	/* validate handle */
1257	iIndex = _HMHandleQuery(hFile); /* get the index */
1258	if (-1 == iIndex) /* error ? */
1259	{
1260	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1261	return (FALSE); /* signal failure */
1262	}
1263
1264	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1265	fResult = pHMHandle->pDeviceHandler->ReadFileEx(&pHMHandle->hmHandleData,
1266	lpBuffer,
1267	nNumberOfBytesToRead,
1268	lpOverlapped,
1269	lpCompletionRoutine);
1270
1271	return (fResult); /* deliver return code */
1272	}
1273
1274	/*****************************************************************************
1275	* Name : HANDLE HMWriteFile
1276	* Purpose : Wrapper for the WriteHandle() API
1277	* Parameters:
1278	* Variables :
1279	* Result :
1280	* Remark :
1281	* Status :
1282	*
1283	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1284	*****************************************************************************/
1285
1286	BOOL HMWriteFile(HANDLE hFile,
1287	LPCVOID lpBuffer,
1288	DWORD nNumberOfBytesToWrite,
1289	LPDWORD lpNumberOfBytesWritten,
1290	LPOVERLAPPED lpOverlapped)
1291	{
1292	int iIndex; /* index into the handle table */
1293	BOOL fResult; /* result from the device handler's CloseHandle() */
1294	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1295
1296	/* validate handle */
1297	iIndex = _HMHandleQuery(hFile); /* get the index */
1298	if (-1 == iIndex) /* error ? */
1299	{
1300	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1301	return (FALSE); /* signal failure */
1302	}
1303
1304	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1305	fResult = pHMHandle->pDeviceHandler->WriteFile(&pHMHandle->hmHandleData,
1306	lpBuffer,
1307	nNumberOfBytesToWrite,
1308	lpNumberOfBytesWritten,
1309	lpOverlapped);
1310
1311	return (fResult); /* deliver return code */
1312	}
1313
1314	/*****************************************************************************
1315	* Name : HANDLE HMWriteFileEx
1316	* Purpose : Wrapper for the WriteFileEx() API
1317	* Parameters:
1318	* Variables :
1319	* Result :
1320	* Remark :
1321	* Status :
1322	*
1323	* Author : SvL
1324	*****************************************************************************/
1325	BOOL HMWriteFileEx(HANDLE hFile,
1326	LPVOID lpBuffer,
1327	DWORD nNumberOfBytesToWrite,
1328	LPOVERLAPPED lpOverlapped,
1329	LPOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine)
1330	{
1331	int iIndex; /* index into the handle table */
1332	BOOL fResult; /* result from the device handler's CloseHandle() */
1333	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1334
1335	/* validate handle */
1336	iIndex = _HMHandleQuery(hFile); /* get the index */
1337	if (-1 == iIndex) /* error ? */
1338	{
1339	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1340	return (FALSE); /* signal failure */
1341	}
1342
1343	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1344	fResult = pHMHandle->pDeviceHandler->WriteFileEx(&pHMHandle->hmHandleData,
1345	lpBuffer,
1346	nNumberOfBytesToWrite,
1347	lpOverlapped,
1348	lpCompletionRoutine);
1349
1350	return (fResult); /* deliver return code */
1351	}
1352
1353
1354	/*****************************************************************************
1355	* Name : HANDLE HMGetFileType
1356	* Purpose : Wrapper for the GetFileType() API
1357	* Parameters:
1358	* Variables :
1359	* Result :
1360	* Remark :
1361	* Status :
1362	*
1363	* Author : Patrick Haller [Wed, 1998/02/12 13:37]
1364	*****************************************************************************/
1365
1366	DWORD HMGetFileType(HANDLE hFile)
1367	{
1368	int iIndex; /* index into the handle table */
1369	DWORD dwResult; /* result from the device handler's API */
1370	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1371
1372	/* validate handle */
1373	iIndex = _HMHandleQuery(hFile); /* get the index */
1374	if (-1 == iIndex) /* error ? */
1375	{
1376	//Must return FILE_TYPE_CHAR here; (used to fail index check)
1377	if((hFile == GetStdHandle(STD_INPUT_HANDLE)) \|\|
1378	(hFile == GetStdHandle(STD_OUTPUT_HANDLE)) \|\|
1379	(hFile == GetStdHandle(STD_ERROR_HANDLE)))
1380	{
1381	return FILE_TYPE_CHAR;
1382	}
1383	else
1384	{
1385	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1386	return FILE_TYPE_UNKNOWN; /* signal failure */
1387	}
1388	}
1389
1390	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1391	dwResult = pHMHandle->pDeviceHandler->GetFileType(&pHMHandle->hmHandleData);
1392
1393	return (dwResult); /* deliver return code */
1394	}
1395
1396
1397	/*****************************************************************************
1398	* Name : HMDeviceHandler::_DeviceReuqest
1399	* Purpose : entry method for special request functions
1400	* Parameters: ULONG ulRequestCode
1401	* various parameters as required
1402	* Variables :
1403	* Result :
1404	* Remark : the standard behaviour is to return an error code for non-
1405	* existant request codes
1406	* Status :
1407	*
1408	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
1409	*****************************************************************************/
1410
1411	DWORD HMDeviceRequest (HANDLE hFile,
1412	ULONG ulRequestCode,
1413	ULONG arg1,
1414	ULONG arg2,
1415	ULONG arg3,
1416	ULONG arg4)
1417	{
1418	int iIndex; /* index into the handle table */
1419	DWORD dwResult; /* result from the device handler's API */
1420	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1421
1422	/* validate handle */
1423	iIndex = _HMHandleQuery(hFile); /* get the index */
1424	if (-1 == iIndex) /* error ? */
1425	{
1426	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1427	return (INVALID_HANDLE_ERROR); /* signal failure */
1428	}
1429
1430	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1431	dwResult = pHMHandle->pDeviceHandler->_DeviceRequest(&pHMHandle->hmHandleData,
1432	ulRequestCode,
1433	arg1,
1434	arg2,
1435	arg3,
1436	arg4);
1437
1438	return (dwResult); /* deliver return code */
1439	}
1440
1441
1442	/*****************************************************************************
1443	* Name : HMDeviceHandler::GetFileInformationByHandle
1444	* Purpose : router function for GetFileInformationByHandle
1445	* Parameters:
1446	* Variables :
1447	* Result :
1448	* Remark :
1449	* Status :
1450	*
1451	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1452	*****************************************************************************/
1453
1454	BOOL HMGetFileInformationByHandle (HANDLE hFile,
1455	BY_HANDLE_FILE_INFORMATION *pHFI)
1456	{
1457	int iIndex; /* index into the handle table */
1458	DWORD dwResult; /* result from the device handler's API */
1459	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1460
1461	/* validate handle */
1462	iIndex = _HMHandleQuery(hFile); /* get the index */
1463	if (-1 == iIndex) /* error ? */
1464	{
1465	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1466	return FALSE; /* signal failure */
1467	}
1468
1469	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1470	dwResult = pHMHandle->pDeviceHandler->GetFileInformationByHandle(&pHMHandle->hmHandleData,
1471	pHFI);
1472
1473	return (dwResult); /* deliver return code */
1474	}
1475
1476
1477	/*****************************************************************************
1478	* Name : HMDeviceHandler::SetEndOfFile
1479	* Purpose : router function for SetEndOfFile
1480	* Parameters:
1481	* Variables :
1482	* Result :
1483	* Remark :
1484	* Status :
1485	*
1486	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1487	*****************************************************************************/
1488
1489	BOOL HMSetEndOfFile (HANDLE hFile)
1490	{
1491	int iIndex; /* index into the handle table */
1492	BOOL bResult; /* result from the device handler's API */
1493	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1494
1495	/* validate handle */
1496	iIndex = _HMHandleQuery(hFile); /* get the index */
1497	if (-1 == iIndex) /* error ? */
1498	{
1499	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1500	return FALSE; /* signal failure */
1501	}
1502
1503	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1504	bResult = pHMHandle->pDeviceHandler->SetEndOfFile(&pHMHandle->hmHandleData);
1505
1506	return (bResult); /* deliver return code */
1507	}
1508
1509
1510	/*****************************************************************************
1511	* Name : HMDeviceHandler::SetFileTime
1512	* Purpose : router function for SetFileTime
1513	* Parameters:
1514	* Variables :
1515	* Result :
1516	* Remark :
1517	* Status :
1518	*
1519	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1520	*****************************************************************************/
1521
1522	BOOL HMSetFileTime (HANDLE hFile,
1523	const FILETIME *pFT1,
1524	const FILETIME *pFT2,
1525	const FILETIME *pFT3)
1526	{
1527	int iIndex; /* index into the handle table */
1528	BOOL bResult; /* result from the device handler's API */
1529	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1530
1531	/* validate handle */
1532	iIndex = _HMHandleQuery(hFile); /* get the index */
1533	if (-1 == iIndex) /* error ? */
1534	{
1535	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1536	return FALSE; /* signal failure */
1537	}
1538
1539	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1540	bResult = pHMHandle->pDeviceHandler->SetFileTime(&pHMHandle->hmHandleData,
1541	(LPFILETIME)pFT1,
1542	(LPFILETIME)pFT2,
1543	(LPFILETIME)pFT3);
1544
1545	return (bResult); /* deliver return code */
1546	}
1547
1548	/*****************************************************************************
1549	* Name : HMDeviceHandler::GetFileTime
1550	* Purpose : router function for SetFileTime
1551	* Parameters:
1552	* Variables :
1553	* Result :
1554	* Remark :
1555	* Status :
1556	*
1557	* Author : SvL
1558	*****************************************************************************/
1559
1560	BOOL HMGetFileTime (HANDLE hFile,
1561	const FILETIME *pFT1,
1562	const FILETIME *pFT2,
1563	const FILETIME *pFT3)
1564	{
1565	int iIndex; /* index into the handle table */
1566	BOOL bResult; /* result from the device handler's API */
1567	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1568
1569	/* validate handle */
1570	iIndex = _HMHandleQuery(hFile); /* get the index */
1571	if (-1 == iIndex) /* error ? */
1572	{
1573	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1574	return FALSE; /* signal failure */
1575	}
1576
1577	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1578	bResult = pHMHandle->pDeviceHandler->GetFileTime(&pHMHandle->hmHandleData,
1579	(LPFILETIME)pFT1,
1580	(LPFILETIME)pFT2,
1581	(LPFILETIME)pFT3);
1582
1583	return (bResult); /* deliver return code */
1584	}
1585
1586
1587	/*****************************************************************************
1588	* Name : HMDeviceHandler::GetFileSize
1589	* Purpose : router function for GetFileSize
1590	* Parameters:
1591	* Variables :
1592	* Result :
1593	* Remark :
1594	* Status :
1595	*
1596	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1597	*****************************************************************************/
1598
1599	DWORD HMGetFileSize (HANDLE hFile,
1600	PDWORD pSize)
1601	{
1602	int iIndex; /* index into the handle table */
1603	DWORD dwResult; /* result from the device handler's API */
1604	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1605
1606	/* validate handle */
1607	iIndex = _HMHandleQuery(hFile); /* get the index */
1608	if (-1 == iIndex) /* error ? */
1609	{
1610	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1611	return (INVALID_HANDLE_ERROR); /* signal failure */
1612	}
1613
1614	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1615	dwResult = pHMHandle->pDeviceHandler->GetFileSize(&pHMHandle->hmHandleData,
1616	pSize);
1617
1618	return (dwResult); /* deliver return code */
1619	}
1620
1621
1622	/*****************************************************************************
1623	* Name : HMDeviceHandler::SetFilePointer
1624	* Purpose : router function for SetFilePointer
1625	* Parameters:
1626	* Variables :
1627	* Result :
1628	* Remark :
1629	* Status :
1630	*
1631	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1632	*****************************************************************************/
1633
1634	DWORD HMSetFilePointer (HANDLE hFile,
1635	LONG lDistanceToMove,
1636	PLONG lpDistanceToMoveHigh,
1637	DWORD dwMoveMethod)
1638	{
1639	int iIndex; /* index into the handle table */
1640	DWORD dwResult; /* result from the device handler's API */
1641	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1642
1643	/* validate handle */
1644	iIndex = _HMHandleQuery(hFile); /* get the index */
1645	if (-1 == iIndex) /* error ? */
1646	{
1647	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1648	return (INVALID_HANDLE_ERROR); /* signal failure */
1649	}
1650
1651	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1652	dwResult = pHMHandle->pDeviceHandler->SetFilePointer(&pHMHandle->hmHandleData,
1653	lDistanceToMove,
1654	lpDistanceToMoveHigh,
1655	dwMoveMethod);
1656
1657	return (dwResult); /* deliver return code */
1658	}
1659
1660
1661	/*****************************************************************************
1662	* Name : HMDeviceHandler::LockFile
1663	* Purpose : router function for LockFile
1664	* Parameters:
1665	* Variables :
1666	* Result :
1667	* Remark :
1668	* Status :
1669	*
1670	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1671	*****************************************************************************/
1672
1673	BOOL HMLockFile (HFILE hFile,
1674	DWORD arg2,
1675	DWORD arg3,
1676	DWORD arg4,
1677	DWORD arg5)
1678	{
1679	int iIndex; /* index into the handle table */
1680	DWORD dwResult; /* result from the device handler's API */
1681	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1682
1683	/* validate handle */
1684	iIndex = _HMHandleQuery(hFile); /* get the index */
1685	if (-1 == iIndex) /* error ? */
1686	{
1687	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1688	return FALSE; /* signal failure */
1689	}
1690
1691	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1692	dwResult = pHMHandle->pDeviceHandler->LockFile(&pHMHandle->hmHandleData,
1693	arg2,
1694	arg3,
1695	arg4,
1696	arg5);
1697
1698	return (dwResult); /* deliver return code */
1699	}
1700
1701
1702	/*****************************************************************************
1703	* Name : HMDeviceHandler::LockFileEx
1704	* Purpose : router function for LockFileEx
1705	* Parameters:
1706	* Variables :
1707	* Result :
1708	* Remark :
1709	* Status :
1710	*
1711	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1712	*****************************************************************************/
1713
1714	BOOL HMLockFileEx(HANDLE hFile,
1715	DWORD dwFlags,
1716	DWORD dwReserved,
1717	DWORD nNumberOfBytesToLockLow,
1718	DWORD nNumberOfBytesToLockHigh,
1719	LPOVERLAPPED lpOverlapped)
1720	{
1721	int iIndex; /* index into the handle table */
1722	DWORD dwResult; /* result from the device handler's API */
1723	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1724
1725	/* validate handle */
1726	iIndex = _HMHandleQuery(hFile); /* get the index */
1727	if (-1 == iIndex) /* error ? */
1728	{
1729	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1730	return FALSE; /* signal failure */
1731	}
1732
1733	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1734	dwResult = pHMHandle->pDeviceHandler->LockFileEx(&pHMHandle->hmHandleData,
1735	dwFlags,
1736	dwReserved,
1737	nNumberOfBytesToLockLow,
1738	nNumberOfBytesToLockHigh,
1739	lpOverlapped);
1740
1741	return (dwResult); /* deliver return code */
1742	}
1743
1744
1745
1746	/*****************************************************************************
1747	* Name : HMDeviceHandler::UnlockFile
1748	* Purpose : router function for UnlockFile
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 HMUnlockFile (HFILE hFile,
1759	DWORD arg2,
1760	DWORD arg3,
1761	DWORD arg4,
1762	DWORD arg5)
1763	{
1764	int iIndex; /* index into the handle table */
1765	DWORD dwResult; /* result from the device handler's API */
1766	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1767
1768	/* validate handle */
1769	iIndex = _HMHandleQuery(hFile); /* get the index */
1770	if (-1 == iIndex) /* error ? */
1771	{
1772	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1773	return FALSE; /* signal failure */
1774	}
1775
1776	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1777	dwResult = pHMHandle->pDeviceHandler->UnlockFile(&pHMHandle->hmHandleData,
1778	arg2,
1779	arg3,
1780	arg4,
1781	arg5);
1782
1783	return (dwResult); /* deliver return code */
1784	}
1785
1786
1787	/*****************************************************************************
1788	* Name : HMDeviceHandler::UnlockFileEx
1789	* Purpose : router function for UnlockFileEx
1790	* Parameters:
1791	* Variables :
1792	* Result :
1793	* Remark :
1794	* Status :
1795	*
1796	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1797	*****************************************************************************/
1798
1799	BOOL HMUnlockFileEx(HANDLE hFile,
1800	DWORD dwReserved,
1801	DWORD nNumberOfBytesToLockLow,
1802	DWORD nNumberOfBytesToLockHigh,
1803	LPOVERLAPPED lpOverlapped)
1804	{
1805	int iIndex; /* index into the handle table */
1806	DWORD dwResult; /* result from the device handler's API */
1807	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1808
1809	/* validate handle */
1810	iIndex = _HMHandleQuery(hFile); /* get the index */
1811	if (-1 == iIndex) /* error ? */
1812	{
1813	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1814	return FALSE; /* signal failure */
1815	}
1816
1817	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1818	dwResult = pHMHandle->pDeviceHandler->UnlockFileEx(&pHMHandle->hmHandleData,
1819	dwReserved,
1820	nNumberOfBytesToLockLow,
1821	nNumberOfBytesToLockHigh,
1822	lpOverlapped);
1823
1824	return (dwResult); /* deliver return code */
1825	}
1826
1827
1828	/*****************************************************************************
1829	* Name : HMDeviceHandler::WaitForSingleObject
1830	* Purpose : router function for WaitForSingleObject
1831	* Parameters:
1832	* Variables :
1833	* Result :
1834	* Remark :
1835	* Status :
1836	*
1837	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1838	*****************************************************************************/
1839
1840	DWORD HMWaitForSingleObject(HANDLE hObject,
1841	DWORD dwTimeout)
1842	{
1843	int iIndex; /* index into the handle table */
1844	DWORD dwResult; /* result from the device handler's API */
1845	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1846
1847	/* validate handle */
1848	iIndex = _HMHandleQuery(hObject); /* get the index */
1849	if (-1 == iIndex) /* error ? */
1850	{
1851	dprintf(("KERNEL32: HandleManager:HMWaitForSingleObject(%08xh) passed on to Open32.\n",
1852	hObject));
1853
1854	// maybe handles from CreateProcess() ...
1855	dwResult = O32_WaitForSingleObject(hObject, dwTimeout);
1856	return (dwResult);
1857	}
1858
1859	// @@@PH Problem: wrong class (base class) is called instead of
1860	// open32 class ?! Why ?!
1861	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1862	dwResult = pHMHandle->pDeviceHandler->WaitForSingleObject(&pHMHandle->hmHandleData,
1863	dwTimeout);
1864
1865	return (dwResult); /* deliver return code */
1866	}
1867
1868
1869	/*****************************************************************************
1870	* Name : HMDeviceHandler::WaitForSingleObjectEx
1871	* Purpose : router function for WaitForSingleObjectEx
1872	* Parameters:
1873	* Variables :
1874	* Result :
1875	* Remark :
1876	* Status :
1877	*
1878	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1879	*****************************************************************************/
1880
1881	DWORD HMWaitForSingleObjectEx(HANDLE hObject,
1882	DWORD dwTimeout,
1883	BOOL fAlertable)
1884	{
1885	int iIndex; /* index into the handle table */
1886	DWORD dwResult; /* result from the device handler's API */
1887	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1888
1889	/* validate handle */
1890	iIndex = _HMHandleQuery(hObject); /* get the index */
1891	if (-1 == iIndex) /* error ? */
1892	{
1893	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1894	return WAIT_FAILED; /* signal failure */
1895	}
1896
1897	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1898	dwResult = pHMHandle->pDeviceHandler->WaitForSingleObjectEx(&pHMHandle->hmHandleData,
1899	dwTimeout,
1900	fAlertable);
1901
1902	return (dwResult); /* deliver return code */
1903	}
1904
1905
1906	/*****************************************************************************
1907	* Name : HMDeviceHandler::FlushFileBuffers
1908	* Purpose : router function for FlushFileBuffers
1909	* Parameters:
1910	* Variables :
1911	* Result :
1912	* Remark :
1913	* Status :
1914	*
1915	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1916	*****************************************************************************/
1917
1918	BOOL HMFlushFileBuffers(HANDLE hFile)
1919	{
1920	int iIndex; /* index into the handle table */
1921	DWORD dwResult; /* result from the device handler's API */
1922	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1923
1924	/* validate handle */
1925	iIndex = _HMHandleQuery(hFile); /* get the index */
1926	if (-1 == iIndex) /* error ? */
1927	{
1928	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1929	return FALSE; /* signal failure */
1930	}
1931
1932	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1933	dwResult = pHMHandle->pDeviceHandler->FlushFileBuffers(&pHMHandle->hmHandleData);
1934
1935	return (dwResult); /* deliver return code */
1936	}
1937
1938
1939	/*****************************************************************************
1940	* Name : HMDeviceHandler::GetOverlappedResult
1941	* Purpose : router function for GetOverlappedResult
1942	* Parameters:
1943	* Variables :
1944	* Result :
1945	* Remark :
1946	* Status :
1947	*
1948	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1949	*****************************************************************************/
1950
1951	BOOL HMGetOverlappedResult(HANDLE hObject,
1952	LPOVERLAPPED lpOverlapped,
1953	LPDWORD arg3,
1954	BOOL arg4)
1955	{
1956	int iIndex; /* index into the handle table */
1957	DWORD dwResult; /* result from the device handler's API */
1958	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1959
1960	/* validate handle */
1961	iIndex = _HMHandleQuery(hObject); /* get the index */
1962	if (-1 == iIndex) /* error ? */
1963	{
1964	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
1965	return FALSE; /* signal failure */
1966	}
1967
1968	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
1969	dwResult = pHMHandle->pDeviceHandler->GetOverlappedResult(&pHMHandle->hmHandleData,
1970	lpOverlapped,
1971	arg3,
1972	arg4);
1973
1974	return (dwResult); /* deliver return code */
1975	}
1976
1977
1978	/*****************************************************************************
1979	* Name : HMReleaseMutex
1980	* Purpose : router function for ReleaseMutex
1981	* Parameters:
1982	* Variables :
1983	* Result :
1984	* Remark :
1985	* Status :
1986	*
1987	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
1988	*****************************************************************************/
1989
1990	BOOL HMReleaseMutex(HANDLE hObject)
1991	{
1992	int iIndex; /* index into the handle table */
1993	DWORD dwResult; /* result from the device handler's API */
1994	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
1995
1996	/* validate handle */
1997	iIndex = _HMHandleQuery(hObject); /* get the index */
1998	if (-1 == iIndex) /* error ? */
1999	{
2000	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2001	return FALSE; /* signal failure */
2002	}
2003
2004	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2005	dwResult = pHMHandle->pDeviceHandler->ReleaseMutex(&pHMHandle->hmHandleData);
2006
2007	return (dwResult); /* deliver return code */
2008	}
2009
2010
2011	/*****************************************************************************
2012	* Name : HMSetEvent
2013	* Purpose : router function for SetEvent
2014	* Parameters:
2015	* Variables :
2016	* Result :
2017	* Remark :
2018	* Status :
2019	*
2020	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2021	*****************************************************************************/
2022
2023	BOOL HMSetEvent(HANDLE hEvent)
2024	{
2025	int iIndex; /* index into the handle table */
2026	DWORD dwResult; /* result from the device handler's API */
2027	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2028
2029	/* validate handle */
2030	iIndex = _HMHandleQuery(hEvent); /* get the index */
2031	if (-1 == iIndex) /* error ? */
2032	{
2033	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2034	return FALSE; /* signal failure */
2035	}
2036
2037	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2038	dwResult = pHMHandle->pDeviceHandler->SetEvent(&pHMHandle->hmHandleData);
2039
2040	return (dwResult); /* deliver return code */
2041	}
2042
2043
2044	/*****************************************************************************
2045	* Name : HMPulseEvent
2046	* Purpose : router function for PulseEvent
2047	* Parameters:
2048	* Variables :
2049	* Result :
2050	* Remark :
2051	* Status :
2052	*
2053	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2054	*****************************************************************************/
2055
2056	BOOL HMPulseEvent(HANDLE hEvent)
2057	{
2058	int iIndex; /* index into the handle table */
2059	DWORD dwResult; /* result from the device handler's API */
2060	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2061
2062	/* validate handle */
2063	iIndex = _HMHandleQuery(hEvent); /* get the index */
2064	if (-1 == iIndex) /* error ? */
2065	{
2066	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2067	return FALSE; /* signal failure */
2068	}
2069
2070	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2071	dwResult = pHMHandle->pDeviceHandler->PulseEvent(&pHMHandle->hmHandleData);
2072
2073	return (dwResult); /* deliver return code */
2074	}
2075
2076
2077	/*****************************************************************************
2078	* Name : HMResetEvent
2079	* Purpose : router function for ResetEvent
2080	* Parameters:
2081	* Variables :
2082	* Result :
2083	* Remark :
2084	* Status :
2085	*
2086	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2087	*****************************************************************************/
2088
2089	BOOL HMResetEvent(HANDLE hEvent)
2090	{
2091	int iIndex; /* index into the handle table */
2092	DWORD dwResult; /* result from the device handler's API */
2093	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2094
2095	/* validate handle */
2096	iIndex = _HMHandleQuery(hEvent); /* get the index */
2097	if (-1 == iIndex) /* error ? */
2098	{
2099	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2100	return FALSE; /* signal failure */
2101	}
2102
2103	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2104	dwResult = pHMHandle->pDeviceHandler->ResetEvent(&pHMHandle->hmHandleData);
2105
2106	return (dwResult); /* deliver return code */
2107	}
2108
2109
2110	/*****************************************************************************
2111	* Name : HANDLE HMCreateEvent
2112	* Purpose : Wrapper for the CreateEvent() API
2113	* Parameters:
2114	* Variables :
2115	* Result :
2116	* Remark :
2117	* Status :
2118	*
2119	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2120	*****************************************************************************/
2121
2122	HANDLE HMCreateEvent(LPSECURITY_ATTRIBUTES lpsa,
2123	BOOL bManualReset,
2124	BOOL bInitialState,
2125	LPCTSTR lpName)
2126	{
2127	int iIndex; /* index into the handle table */
2128	int iIndexNew; /* index into the handle table */
2129	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2130	PHMHANDLEDATA pHMHandleData;
2131	DWORD rc; /* API return code */
2132
2133
2134	pDeviceHandler = HMGlobals.pHMEvent; /* device is predefined */
2135
2136	iIndexNew = _HMHandleGetFree(); /* get free handle */
2137	if (-1 == iIndexNew) /* oops, no free handles ! */
2138	{
2139	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2140	return 0; /* signal error */
2141	}
2142
2143
2144	/* initialize the complete HMHANDLEDATA structure */
2145	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2146	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2147	pHMHandleData->dwAccess = 0;
2148	pHMHandleData->dwShare = 0;
2149	pHMHandleData->dwCreation = 0;
2150	pHMHandleData->dwFlags = 0;
2151	pHMHandleData->lpHandlerData = NULL;
2152
2153
2154	/* we've got to mark the handle as occupied here, since another device */
2155	/* could be created within the device handler -> deadlock */
2156
2157	/* write appropriate entry into the handle table if open succeeded */
2158	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2159	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2160
2161	/* call the device handler */
2162	rc = pDeviceHandler->CreateEvent(&TabWin32Handles[iIndexNew].hmHandleData,
2163	lpsa,
2164	bManualReset,
2165	bInitialState,
2166	lpName);
2167	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2168	{
2169	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2170	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2171	return 0; /* signal error */
2172	}
2173	else
2174	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2175
2176	return iIndexNew; /* return valid handle */
2177	}
2178
2179
2180	/*****************************************************************************
2181	* Name : HANDLE HMCreateMutex
2182	* Purpose : Wrapper for the CreateMutex() API
2183	* Parameters:
2184	* Variables :
2185	* Result :
2186	* Remark :
2187	* Status :
2188	*
2189	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2190	*****************************************************************************/
2191
2192	HANDLE HMCreateMutex(LPSECURITY_ATTRIBUTES lpsa,
2193	BOOL bInitialOwner,
2194	LPCTSTR lpName)
2195	{
2196	int iIndex; /* index into the handle table */
2197	int iIndexNew; /* index into the handle table */
2198	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2199	PHMHANDLEDATA pHMHandleData;
2200	DWORD rc; /* API return code */
2201
2202
2203	pDeviceHandler = HMGlobals.pHMMutex; /* device is predefined */
2204
2205	iIndexNew = _HMHandleGetFree(); /* get free handle */
2206	if (-1 == iIndexNew) /* oops, no free handles ! */
2207	{
2208	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2209	return 0; /* signal error */
2210	}
2211
2212
2213	/* initialize the complete HMHANDLEDATA structure */
2214	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2215	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2216	pHMHandleData->dwAccess = 0;
2217	pHMHandleData->dwShare = 0;
2218	pHMHandleData->dwCreation = 0;
2219	pHMHandleData->dwFlags = 0;
2220	pHMHandleData->lpHandlerData = NULL;
2221
2222
2223	/* we've got to mark the handle as occupied here, since another device */
2224	/* could be created within the device handler -> deadlock */
2225
2226	/* write appropriate entry into the handle table if open succeeded */
2227	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2228	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2229
2230	/* call the device handler */
2231	rc = pDeviceHandler->CreateMutex(&TabWin32Handles[iIndexNew].hmHandleData,
2232	lpsa,
2233	bInitialOwner,
2234	lpName);
2235	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2236	{
2237	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2238	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2239	return 0; /* signal error */
2240	}
2241	else
2242	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2243
2244	return iIndexNew; /* return valid handle */
2245	}
2246
2247
2248	/*****************************************************************************
2249	* Name : HANDLE HMOpenEvent
2250	* Purpose : Wrapper for the OpenEvent() API
2251	* Parameters:
2252	* Variables :
2253	* Result :
2254	* Remark :
2255	* Status :
2256	*
2257	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2258	*****************************************************************************/
2259
2260	HANDLE HMOpenEvent(DWORD fdwAccess,
2261	BOOL fInherit,
2262	LPCTSTR lpName)
2263	{
2264	int iIndex; /* index into the handle table */
2265	int iIndexNew; /* index into the handle table */
2266	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2267	PHMHANDLEDATA pHMHandleData;
2268	DWORD rc; /* API return code */
2269
2270
2271	pDeviceHandler = HMGlobals.pHMEvent; /* device is predefined */
2272
2273	iIndexNew = _HMHandleGetFree(); /* get free handle */
2274	if (-1 == iIndexNew) /* oops, no free handles ! */
2275	{
2276	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2277	return 0; /* signal error */
2278	}
2279
2280
2281	/* initialize the complete HMHANDLEDATA structure */
2282	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2283	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2284	pHMHandleData->dwAccess = fdwAccess;
2285	pHMHandleData->dwShare = 0;
2286	pHMHandleData->dwCreation = 0;
2287	pHMHandleData->dwFlags = 0;
2288	pHMHandleData->lpHandlerData = NULL;
2289
2290
2291	/* we've got to mark the handle as occupied here, since another device */
2292	/* could be created within the device handler -> deadlock */
2293
2294	/* write appropriate entry into the handle table if open succeeded */
2295	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2296	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2297
2298	/* call the device handler */
2299	rc = pDeviceHandler->OpenEvent(&TabWin32Handles[iIndexNew].hmHandleData,
2300	fInherit,
2301	lpName);
2302	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2303	{
2304	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2305	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2306	return 0; /* signal error */
2307	}
2308	else
2309	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2310
2311	return iIndexNew; /* return valid handle */
2312	}
2313
2314
2315	/*****************************************************************************
2316	* Name : HANDLE HMOpenMutex
2317	* Purpose : Wrapper for the OpenMutex() API
2318	* Parameters:
2319	* Variables :
2320	* Result :
2321	* Remark :
2322	* Status :
2323	*
2324	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2325	*****************************************************************************/
2326
2327	HANDLE HMOpenMutex(DWORD fdwAccess,
2328	BOOL fInherit,
2329	LPCTSTR lpName)
2330	{
2331	int iIndex; /* index into the handle table */
2332	int iIndexNew; /* index into the handle table */
2333	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2334	PHMHANDLEDATA pHMHandleData;
2335	DWORD rc; /* API return code */
2336
2337
2338	pDeviceHandler = HMGlobals.pHMMutex; /* device is predefined */
2339
2340	iIndexNew = _HMHandleGetFree(); /* get free handle */
2341	if (-1 == iIndexNew) /* oops, no free handles ! */
2342	{
2343	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2344	return 0; /* signal error */
2345	}
2346
2347
2348	/* initialize the complete HMHANDLEDATA structure */
2349	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2350	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2351	pHMHandleData->dwAccess = fdwAccess;
2352	pHMHandleData->dwShare = 0;
2353	pHMHandleData->dwCreation = 0;
2354	pHMHandleData->dwFlags = 0;
2355	pHMHandleData->lpHandlerData = NULL;
2356
2357
2358	/* we've got to mark the handle as occupied here, since another device */
2359	/* could be created within the device handler -> deadlock */
2360
2361	/* write appropriate entry into the handle table if open succeeded */
2362	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2363	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2364
2365	/* call the device handler */
2366	rc = pDeviceHandler->OpenMutex(&TabWin32Handles[iIndexNew].hmHandleData,
2367	fInherit,
2368	lpName);
2369	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2370	{
2371	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2372	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2373	return 0; /* signal error */
2374	}
2375	else
2376	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2377
2378	return iIndexNew; /* return valid handle */
2379	}
2380
2381
2382	/*****************************************************************************
2383	* Name : HANDLE HMCreateSemaphore
2384	* Purpose : Wrapper for the CreateSemaphore() API
2385	* Parameters:
2386	* Variables :
2387	* Result :
2388	* Remark :
2389	* Status :
2390	*
2391	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2392	*****************************************************************************/
2393
2394	HANDLE HMCreateSemaphore(LPSECURITY_ATTRIBUTES lpsa,
2395	LONG lInitialCount,
2396	LONG lMaximumCount,
2397	LPCTSTR lpName)
2398	{
2399	int iIndex; /* index into the handle table */
2400	int iIndexNew; /* index into the handle table */
2401	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2402	PHMHANDLEDATA pHMHandleData;
2403	DWORD rc; /* API return code */
2404
2405
2406	pDeviceHandler = HMGlobals.pHMSemaphore; /* device is predefined */
2407
2408	iIndexNew = _HMHandleGetFree(); /* get free handle */
2409	if (-1 == iIndexNew) /* oops, no free handles ! */
2410	{
2411	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2412	return 0; /* signal error */
2413	}
2414
2415
2416	/* initialize the complete HMHANDLEDATA structure */
2417	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2418	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2419	pHMHandleData->dwAccess = 0;
2420	pHMHandleData->dwShare = 0;
2421	pHMHandleData->dwCreation = 0;
2422	pHMHandleData->dwFlags = 0;
2423	pHMHandleData->lpHandlerData = NULL;
2424
2425
2426	/* we've got to mark the handle as occupied here, since another device */
2427	/* could be created within the device handler -> deadlock */
2428
2429	/* write appropriate entry into the handle table if open succeeded */
2430	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2431	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2432
2433	/* call the device handler */
2434	rc = pDeviceHandler->CreateSemaphore(&TabWin32Handles[iIndexNew].hmHandleData,
2435	lpsa,
2436	lInitialCount,
2437	lMaximumCount,
2438	lpName);
2439	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2440	{
2441	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2442	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2443	return 0; /* signal failure */
2444	}
2445	else
2446	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2447
2448	return iIndexNew; /* return valid handle */
2449	}
2450
2451
2452	/*****************************************************************************
2453	* Name : HANDLE HMOpenSemaphore
2454	* Purpose : Wrapper for the OpenSemaphore() API
2455	* Parameters:
2456	* Variables :
2457	* Result :
2458	* Remark :
2459	* Status :
2460	*
2461	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2462	*****************************************************************************/
2463
2464	HANDLE HMOpenSemaphore(DWORD fdwAccess,
2465	BOOL fInherit,
2466	LPCTSTR lpName)
2467	{
2468	int iIndex; /* index into the handle table */
2469	int iIndexNew; /* index into the handle table */
2470	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2471	PHMHANDLEDATA pHMHandleData;
2472	DWORD rc; /* API return code */
2473
2474
2475	pDeviceHandler = HMGlobals.pHMSemaphore; /* device is predefined */
2476
2477	iIndexNew = _HMHandleGetFree(); /* get free handle */
2478	if (-1 == iIndexNew) /* oops, no free handles ! */
2479	{
2480	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2481	return 0; /* signal error */
2482	}
2483
2484
2485	/* initialize the complete HMHANDLEDATA structure */
2486	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2487	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2488	pHMHandleData->dwAccess = fdwAccess;
2489	pHMHandleData->dwShare = 0;
2490	pHMHandleData->dwCreation = 0;
2491	pHMHandleData->dwFlags = 0;
2492	pHMHandleData->lpHandlerData = NULL;
2493
2494
2495	/* we've got to mark the handle as occupied here, since another device */
2496	/* could be created within the device handler -> deadlock */
2497
2498	/* write appropriate entry into the handle table if open succeeded */
2499	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2500	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2501
2502	/* call the device handler */
2503	rc = pDeviceHandler->OpenSemaphore(&TabWin32Handles[iIndexNew].hmHandleData,
2504	fInherit,
2505	lpName);
2506	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2507	{
2508	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2509	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2510	return 0; /* signal failure */
2511	}
2512	else
2513	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2514
2515	return iIndexNew; /* return valid handle */
2516	}
2517
2518
2519	/*****************************************************************************
2520	* Name : HMReleaseSemaphore
2521	* Purpose : router function for ReleaseSemaphore
2522	* Parameters:
2523	* Variables :
2524	* Result :
2525	* Remark :
2526	* Status :
2527	*
2528	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2529	*****************************************************************************/
2530
2531	BOOL HMReleaseSemaphore(HANDLE hEvent,
2532	LONG cReleaseCount,
2533	LPLONG lpPreviousCount)
2534	{
2535	int iIndex; /* index into the handle table */
2536	DWORD dwResult; /* result from the device handler's API */
2537	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2538
2539	/* validate handle */
2540	iIndex = _HMHandleQuery(hEvent); /* get the index */
2541	if (-1 == iIndex) /* error ? */
2542	{
2543	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2544	return 0; /* signal failure */
2545	}
2546	else
2547	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2548
2549	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2550	dwResult = pHMHandle->pDeviceHandler->ReleaseSemaphore(&pHMHandle->hmHandleData,
2551	cReleaseCount,
2552	lpPreviousCount);
2553
2554	return (dwResult); /* deliver return code */
2555	}
2556
2557
2558	/*****************************************************************************
2559	* Name : HANDLE HMCreateFileMapping
2560	* Purpose : Wrapper for the CreateFileMapping() API
2561	* Parameters:
2562	* Variables :
2563	* Result :
2564	* Remark :
2565	* Status :
2566	*
2567	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2568	*****************************************************************************/
2569
2570	HANDLE HMCreateFileMapping(HANDLE hFile,
2571	LPSECURITY_ATTRIBUTES lpFileMappingAttributes,
2572	DWORD flProtect,
2573	DWORD dwMaximumSizeHigh,
2574	DWORD dwMaximumSizeLow,
2575	LPCTSTR lpName)
2576	{
2577	int iIndex; /* index into the handle table */
2578	int iIndexNew; /* index into the handle table */
2579	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2580	PHMHANDLEDATA pHMHandleData;
2581	DWORD rc; /* API return code */
2582	HANDLE hOldMemMap = -1;
2583
2584	pDeviceHandler = HMGlobals.pHMFileMapping; /* device is predefined */
2585
2586	iIndexNew = _HMHandleGetFree(); /* get free handle */
2587	if (-1 == iIndexNew) /* oops, no free handles ! */
2588	{
2589	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2590	return 0; /* signal error */
2591	}
2592
2593
2594	/* initialize the complete HMHANDLEDATA structure */
2595	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2596	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2597	pHMHandleData->dwAccess = 0;
2598	pHMHandleData->dwShare = 0;
2599	pHMHandleData->dwCreation = 0;
2600	pHMHandleData->dwFlags = 0;
2601	pHMHandleData->lpHandlerData = NULL;
2602
2603
2604	/* we've got to mark the handle as occupied here, since another device */
2605	/* could be created within the device handler -> deadlock */
2606
2607	/* write appropriate entry into the handle table if open succeeded */
2608	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2609	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2610
2611	/* call the device handler */
2612
2613	// @@@PH: Note: hFile is a Win32-style handle, it's not (yet) converted to
2614	// a valid HandleManager-internal handle!
2615	rc = pDeviceHandler->CreateFileMapping(&TabWin32Handles[iIndexNew].hmHandleData,
2616	hFile,
2617	lpFileMappingAttributes,
2618	flProtect,
2619	dwMaximumSizeHigh,
2620	dwMaximumSizeLow,
2621	lpName, &hOldMemMap);
2622
2623	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2624	{
2625	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2626	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2627	if(rc == ERROR_ALREADY_EXISTS) {
2628	return hOldMemMap; //return handle of existing file mapping
2629	}
2630	else return (NULL); /* signal error */
2631	}
2632	else
2633	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2634
2635	return iIndexNew; /* return valid handle */
2636	}
2637
2638
2639	/*****************************************************************************
2640	* Name : HANDLE HMOpenFileMapping
2641	* Purpose : Wrapper for the OpenFileMapping() API
2642	* Parameters:
2643	* Variables :
2644	* Result : HANDLE if succeeded,
2645	* NULL if failed.
2646	* Remark :
2647	* Status :
2648	*
2649	* Author : Patrick Haller [Wed, 1998/02/11 20:44]
2650	*****************************************************************************/
2651
2652	HANDLE HMOpenFileMapping(DWORD fdwAccess,
2653	BOOL fInherit,
2654	LPCTSTR lpName)
2655	{
2656	int iIndex; /* index into the handle table */
2657	int iIndexNew; /* index into the handle table */
2658	HMDeviceHandler pDeviceHandler; / device handler for this handle */
2659	PHMHANDLEDATA pHMHandleData;
2660	DWORD rc; /* API return code */
2661
2662
2663	pDeviceHandler = HMGlobals.pHMFileMapping; /* device is predefined */
2664
2665	iIndexNew = _HMHandleGetFree(); /* get free handle */
2666	if (-1 == iIndexNew) /* oops, no free handles ! */
2667	{
2668	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
2669	return (NULL); /* signal error */
2670	}
2671
2672	/* initialize the complete HMHANDLEDATA structure */
2673	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
2674	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
2675	pHMHandleData->dwAccess = fdwAccess;
2676	pHMHandleData->dwShare = 0;
2677	pHMHandleData->dwCreation = 0;
2678	pHMHandleData->dwFlags = 0;
2679	pHMHandleData->lpHandlerData = NULL;
2680
2681
2682	/* we've got to mark the handle as occupied here, since another device */
2683	/* could be created within the device handler -> deadlock */
2684
2685	/* write appropriate entry into the handle table if open succeeded */
2686	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
2687	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
2688
2689	/* call the device handler */
2690	rc = pDeviceHandler->OpenFileMapping(&TabWin32Handles[iIndexNew].hmHandleData,
2691	fdwAccess,
2692	fInherit,
2693	lpName);
2694	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
2695	{
2696	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
2697	SetLastError(rc); /* Hehe, OS/2 and NT are pretty compatible :) */
2698	return (NULL); /* signal error */
2699	}
2700	else
2701	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
2702
2703	return iIndexNew; /* return valid handle */
2704	}
2705
2706
2707	/*****************************************************************************
2708	* Name : HMMapViewOfFileEx
2709	* Purpose : router function for MapViewOfFileEx
2710	* Parameters:
2711	* Variables :
2712	* Result :
2713	* Remark :
2714	* Status :
2715	*
2716	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2717	*****************************************************************************/
2718
2719	LPVOID HMMapViewOfFileEx(HANDLE hFileMappingObject,
2720	DWORD dwDesiredAccess,
2721	DWORD dwFileOffsetHigh,
2722	DWORD dwFileOffsetLow,
2723	DWORD dwNumberOfBytesToMap,
2724	LPVOID lpBaseAddress)
2725	{
2726	int iIndex; /* index into the handle table */
2727	LPVOID lpResult; /* result from the device handler's API */
2728	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2729
2730	/* validate handle */
2731	iIndex = _HMHandleQuery(hFileMappingObject); /* get the index */
2732	if (-1 == iIndex) /* error ? */
2733	{
2734	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2735	return (NULL); /* signal failure */
2736	}
2737
2738	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2739	lpResult = pHMHandle->pDeviceHandler->MapViewOfFileEx(&pHMHandle->hmHandleData,
2740	dwDesiredAccess,
2741	dwFileOffsetHigh,
2742	dwFileOffsetLow,
2743	dwNumberOfBytesToMap,
2744	lpBaseAddress);
2745
2746	return (lpResult); /* deliver return code */
2747	}
2748
2749	/*****************************************************************************
2750	* Name : HMWaitForMultipleObjects
2751	* Purpose : router function for WaitForMultipleObjects
2752	* Parameters:
2753	* Variables :
2754	* Result :
2755	* Remark :
2756	* Status :
2757	*
2758	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2759	*****************************************************************************/
2760
2761	DWORD HMWaitForMultipleObjects (DWORD cObjects,
2762	PHANDLE lphObjects,
2763	BOOL fWaitAll,
2764	DWORD dwTimeout)
2765	{
2766	ULONG ulIndex;
2767	PHANDLE pArrayOfHandles;
2768	PHANDLE pLoop1 = lphObjects;
2769	PHANDLE pLoop2;
2770	DWORD rc;
2771
2772	// allocate array for handle table
2773	pArrayOfHandles = (PHANDLE)alloca(cObjects * sizeof(HANDLE));
2774	if (pArrayOfHandles == NULL)
2775	{
2776	dprintf(("ERROR: HMWaitForMultipleObjects: alloca failed to allocate %d handles", cObjects));
2777	O32_SetLastError(ERROR_NOT_ENOUGH_MEMORY);
2778	return WAIT_FAILED;
2779	}
2780	else
2781	pLoop2 = pArrayOfHandles;
2782
2783	// convert array to odin handles
2784	for (ulIndex = 0;
2785
2786	ulIndex < cObjects;
2787
2788	ulIndex++,
2789	pLoop1++,
2790	pLoop2++)
2791	{
2792	rc = HMHandleTranslateToOS2 (*pLoop1, // translate handle
2793	pLoop2);
2794
2795	dprintf(("KERNEL32: HMWaitForMultipleObjects: handle %3i: ODIN-%08xh, Open32-%08xh\n",
2796	ulIndex,
2797	*pLoop1,
2798	*pLoop2));
2799
2800	// @@@PH to imlpement: check handle type!
2801	// SvL: We still use Open32 handles for threads & processes -> don't fail here!
2802	if (rc != NO_ERROR)
2803	{
2804	dprintf(("KERNEL32: HMWaitForMultipleObjects - WARNING: handle %08xh is NOT an Odin handle (probably Open32 thread or process)\n",
2805	*pLoop1));
2806
2807	pLoop2 = pLoop1;
2808	//// O32_SetLastError(ERROR_INVALID_HANDLE);
2809	//// return (WAIT_FAILED);
2810	}
2811	}
2812
2813	// OK, now forward to Open32.
2814	// @@@PH: Note this will fail on handles that do NOT belong to Open32
2815	// but to i.e. the console subsystem!
2816	rc = O32_WaitForMultipleObjects(cObjects,
2817	pArrayOfHandles,
2818	fWaitAll,
2819	dwTimeout);
2820
2821	return (rc); // OK, done
2822	}
2823
2824
2825	/*****************************************************************************
2826	* Name : HMWaitForMultipleObjectsEx
2827	* Purpose : router function for WaitForMultipleObjectsEx
2828	* Parameters:
2829	* Variables :
2830	* Result :
2831	* Remark :
2832	* Status :
2833	*
2834	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2835	*****************************************************************************/
2836
2837	DWORD HMWaitForMultipleObjectsEx (DWORD cObjects,
2838	PHANDLE lphObjects,
2839	BOOL fWaitAll,
2840	DWORD dwTimeout,
2841	BOOL fAlertable)
2842	{
2843	// @@@PH: Note: fAlertable is ignored !
2844	return (HMWaitForMultipleObjects(cObjects,
2845	lphObjects,
2846	fWaitAll,
2847	dwTimeout));
2848	}
2849
2850	/*****************************************************************************
2851	* Name : HMMsgWaitForMultipleObjects
2852	* Purpose : router function for MsgWaitForMultipleObjects
2853	* Parameters:
2854	* Variables :
2855	* Result :
2856	* Remark : Open32 doesn't implement this properly! (doesn't check dwWakeMask)
2857	* Status :
2858	*
2859	* Author : Patrick Haller [Wed, 1999/06/17 20:44]
2860	*****************************************************************************/
2861
2862	DWORD HMMsgWaitForMultipleObjects (DWORD nCount,
2863	LPHANDLE pHandles,
2864	BOOL fWaitAll,
2865	DWORD dwMilliseconds,
2866	DWORD dwWakeMask)
2867	{
2868	ULONG ulIndex;
2869	PHANDLE pArrayOfHandles;
2870	PHANDLE pLoop1 = pHandles;
2871	PHANDLE pLoop2;
2872	DWORD rc;
2873
2874	// allocate array for handle table
2875	pArrayOfHandles = (PHANDLE)alloca(nCount * sizeof(HANDLE));
2876	if (pArrayOfHandles == NULL)
2877	{
2878	dprintf(("ERROR: HMMsgWaitForMultipleObjects: alloca failed to allocate %d handles", nCount));
2879	O32_SetLastError(ERROR_NOT_ENOUGH_MEMORY);
2880	return WAIT_FAILED;
2881	}
2882	else
2883	pLoop2 = pArrayOfHandles;
2884
2885	// convert array to odin handles
2886	for (ulIndex = 0;
2887
2888	ulIndex < nCount;
2889
2890	ulIndex++,
2891	pLoop1++,
2892	pLoop2++)
2893	{
2894	rc = HMHandleTranslateToOS2 (*pLoop1, // translate handle
2895	pLoop2);
2896
2897	// SvL: We still use Open32 handles for threads & processes -> don't fail here!
2898	if (rc != NO_ERROR)
2899	{
2900	dprintf(("KERNEL32: HMMsgWaitForMultipleObjects - WARNING: handle %08xh is NOT an Odin handle (probably Open32 thread or process)\n",
2901	*pLoop1));
2902
2903	pLoop2 = pLoop1;
2904	//// O32_SetLastError(ERROR_INVALID_HANDLE);
2905	//// return (WAIT_FAILED);
2906	}
2907	}
2908
2909	// OK, now forward to Open32.
2910	// @@@PH: Note this will fail on handles that do NOT belong to Open32
2911	// but to i.e. the console subsystem!
2912	rc = O32_MsgWaitForMultipleObjects(nCount,
2913	pArrayOfHandles,
2914	fWaitAll, dwMilliseconds,
2915	dwWakeMask);
2916
2917	return (rc); // OK, done
2918	}
2919	/*****************************************************************************
2920	* Name : HMDeviceIoControl
2921	* Purpose : router function for DeviceIoControl
2922	* Parameters:
2923	* Variables :
2924	* Result :
2925	* Remark :
2926	* Status :
2927	*
2928	* Author : Sander van Leeuwen
2929	*****************************************************************************/
2930
2931	BOOL HMDeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode,
2932	LPVOID lpInBuffer, DWORD nInBufferSize,
2933	LPVOID lpOutBuffer, DWORD nOutBufferSize,
2934	LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
2935	{
2936	int iIndex; /* index into the handle table */
2937	BOOL fResult; /* result from the device handler's CloseHandle() */
2938	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2939
2940	/* validate handle */
2941	iIndex = _HMHandleQuery(hDevice); /* get the index */
2942	if (-1 == iIndex) /* error ? */
2943	{
2944	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2945	return (FALSE); /* signal failure */
2946	}
2947
2948	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2949	fResult = pHMHandle->pDeviceHandler->DeviceIoControl(&pHMHandle->hmHandleData,
2950	dwIoControlCode,
2951	lpInBuffer, nInBufferSize,
2952	lpOutBuffer, nOutBufferSize,
2953	lpBytesReturned, lpOverlapped);
2954
2955	return (fResult); /* deliver return code */
2956	}
2957
2958
2959
2960	/*****************************************************************************
2961	* Name : HMCOMGetCommState
2962	* Purpose : router function for GetCommState
2963	* Parameters:
2964	* Variables :
2965	* Result :
2966	* Remark :
2967	* Status :
2968	*
2969	* Author : Achim Hasenmueller [Sat, 1999/11/27 13:40]
2970	*****************************************************************************/
2971
2972	BOOL HMCommGetCommState(HANDLE hCommDev, LPDCB lpdcb)
2973	{
2974	int iIndex; /* index into the handle table */
2975	BOOL bResult; /* result from the device handler's API */
2976	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
2977
2978	/* validate handle */
2979	iIndex = _HMHandleQuery(hCommDev); /* get the index */
2980	if (-1 == iIndex) /* error ? */
2981	{
2982	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
2983	return (NULL); /* signal failure */
2984	}
2985
2986	if(IsBadWritePtr(lpdcb,sizeof(DCB)))
2987	{
2988	SetLastError(ERROR_INVALID_PARAMETER);
2989	return FALSE;
2990	}
2991
2992	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
2993	bResult = pHMHandle->pDeviceHandler->GetCommState(&pHMHandle->hmHandleData,
2994	lpdcb);
2995
2996	return (bResult); /* deliver return code */
2997	}
2998
2999	BOOL HMCommWaitCommEvent( HANDLE hCommDev,
3000	LPDWORD lpfdwEvtMask,
3001	LPOVERLAPPED lpo)
3002	{
3003	int iIndex; /* index into the handle table */
3004	BOOL bResult; /* result from the device handler's API */
3005	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3006
3007	/* validate handle */
3008	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3009	if (-1 == iIndex) /* error ? */
3010	{
3011	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3012	return FALSE; /* signal failure */
3013	}
3014
3015	if(NULL!=lpo && IsBadReadPtr(lpo,sizeof(OVERLAPPED)) )
3016	{
3017	SetLastError(ERROR_INVALID_PARAMETER);
3018	return FALSE;
3019	}
3020
3021	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3022	bResult = pHMHandle->pDeviceHandler->WaitCommEvent( &pHMHandle->hmHandleData,
3023	lpfdwEvtMask,
3024	lpo);
3025
3026	return (bResult); /* deliver return code */
3027	}
3028
3029	BOOL HMCommGetCommProperties( HANDLE hCommDev,
3030	LPCOMMPROP lpcmmp)
3031	{
3032	int iIndex; /* index into the handle table */
3033	BOOL bResult; /* result from the device handler's API */
3034	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3035
3036	/* validate handle */
3037	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3038	if (-1 == iIndex) /* error ? */
3039	{
3040	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3041	return (NULL); /* signal failure */
3042	}
3043
3044	if(IsBadWritePtr(lpcmmp,sizeof(COMMPROP)) )
3045	{
3046	SetLastError(ERROR_INVALID_PARAMETER);
3047	return FALSE;
3048	}
3049
3050	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3051	bResult = pHMHandle->pDeviceHandler->GetCommProperties( &pHMHandle->hmHandleData,
3052	lpcmmp);
3053
3054	return (bResult); /* deliver return code */
3055	}
3056
3057	BOOL HMCommGetCommMask( HANDLE hCommDev,
3058	LPDWORD lpfdwEvtMask)
3059	{
3060	int iIndex; /* index into the handle table */
3061	BOOL bResult; /* result from the device handler's API */
3062	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3063
3064	/* validate handle */
3065	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3066	if (-1 == iIndex) /* error ? */
3067	{
3068	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3069	return (NULL); /* signal failure */
3070	}
3071
3072	if(IsBadWritePtr(lpfdwEvtMask,sizeof(DWORD)) )
3073	{
3074	SetLastError(ERROR_INVALID_PARAMETER);
3075	return FALSE;
3076	}
3077
3078	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3079	bResult = pHMHandle->pDeviceHandler->GetCommMask( &pHMHandle->hmHandleData,
3080	lpfdwEvtMask);
3081
3082	return (bResult); /* deliver return code */
3083	}
3084
3085	BOOL HMCommSetCommMask( HANDLE hCommDev,
3086	DWORD fdwEvtMask)
3087	{
3088	int iIndex; /* index into the handle table */
3089	BOOL bResult; /* result from the device handler's API */
3090	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3091
3092	/* validate handle */
3093	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3094	if (-1 == iIndex) /* error ? */
3095	{
3096	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3097	return (NULL); /* signal failure */
3098	}
3099
3100	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3101	bResult = pHMHandle->pDeviceHandler->SetCommMask( &pHMHandle->hmHandleData,
3102	fdwEvtMask);
3103
3104	return (bResult); /* deliver return code */
3105	}
3106
3107	BOOL HMCommPurgeComm( HANDLE hCommDev,
3108	DWORD fdwAction)
3109	{
3110	int iIndex; /* index into the handle table */
3111	BOOL bResult; /* result from the device handler's API */
3112	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3113
3114	/* validate handle */
3115	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3116	if (-1 == iIndex) /* error ? */
3117	{
3118	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3119	return (NULL); /* signal failure */
3120	}
3121
3122
3123	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3124	bResult = pHMHandle->pDeviceHandler->PurgeComm( &pHMHandle->hmHandleData,
3125	fdwAction);
3126
3127	return (bResult); /* deliver return code */
3128	}
3129
3130	BOOL HMCommClearCommError( HANDLE hCommDev,
3131	LPDWORD lpdwErrors,
3132	LPCOMSTAT lpcst)
3133	{
3134	int iIndex; /* index into the handle table */
3135	BOOL bResult; /* result from the device handler's API */
3136	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3137
3138	/* validate handle */
3139	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3140	if (-1 == iIndex) /* error ? */
3141	{
3142	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3143	return (NULL); /* signal failure */
3144	}
3145
3146	if(IsBadWritePtr(lpdwErrors,sizeof(DWORD)) \|\|
3147	(NULL!=lpcst && IsBadWritePtr(lpcst,sizeof(COMSTAT)) ) )
3148	{
3149	SetLastError(ERROR_INVALID_PARAMETER);
3150	return FALSE;
3151	}
3152
3153	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3154	bResult = pHMHandle->pDeviceHandler->ClearCommError(&pHMHandle->hmHandleData,
3155	lpdwErrors,
3156	lpcst);
3157
3158	return (bResult); /* deliver return code */
3159	}
3160
3161	BOOL HMCommSetCommState( HANDLE hCommDev,
3162	LPDCB lpdcb)
3163	{
3164	int iIndex; /* index into the handle table */
3165	BOOL bResult; /* result from the device handler's API */
3166	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3167
3168	/* validate handle */
3169	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3170	if (-1 == iIndex) /* error ? */
3171	{
3172	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3173	return (NULL); /* signal failure */
3174	}
3175
3176	if(IsBadReadPtr(lpdcb,sizeof(DCB)) )
3177	{
3178	SetLastError(ERROR_INVALID_PARAMETER);
3179	return FALSE;
3180	}
3181
3182
3183	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3184	bResult = pHMHandle->pDeviceHandler->SetCommState(&pHMHandle->hmHandleData,
3185	lpdcb);
3186
3187	return (bResult); /* deliver return code */
3188	}
3189
3190
3191	BOOL HMCommGetCommTimeouts( HANDLE hCommDev,
3192	LPCOMMTIMEOUTS lpctmo)
3193	{
3194	int iIndex; /* index into the handle table */
3195	BOOL bResult; /* result from the device handler's API */
3196	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3197
3198	/* validate handle */
3199	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3200	if (-1 == iIndex) /* error ? */
3201	{
3202	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3203	return (NULL); /* signal failure */
3204	}
3205
3206	if(IsBadWritePtr(lpctmo,sizeof(COMMTIMEOUTS)) )
3207	{
3208	SetLastError(ERROR_INVALID_PARAMETER);
3209	return FALSE;
3210	}
3211
3212	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3213	bResult = pHMHandle->pDeviceHandler->GetCommTimeouts( &pHMHandle->hmHandleData,
3214	lpctmo);
3215
3216	return (bResult); /* deliver return code */
3217	}
3218	BOOL HMCommGetCommModemStatus( HANDLE hCommDev,
3219	LPDWORD lpModemStat )
3220	{
3221	int iIndex; /* index into the handle table */
3222	BOOL bResult; /* result from the device handler's API */
3223	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3224
3225	/* validate handle */
3226	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3227	if (-1 == iIndex) /* error ? */
3228	{
3229	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3230	return (NULL); /* signal failure */
3231	}
3232
3233	if(IsBadWritePtr(lpModemStat,sizeof(DWORD)) )
3234	{
3235	SetLastError(ERROR_INVALID_PARAMETER);
3236	return FALSE;
3237	}
3238
3239	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3240	bResult = pHMHandle->pDeviceHandler->GetCommModemStatus( &pHMHandle->hmHandleData,
3241	lpModemStat);
3242
3243	return (bResult); /* deliver return code */
3244	}
3245
3246	BOOL HMCommSetCommTimeouts( HANDLE hCommDev,
3247	LPCOMMTIMEOUTS lpctmo)
3248	{
3249	int iIndex; /* index into the handle table */
3250	BOOL bResult; /* result from the device handler's API */
3251	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3252
3253	/* validate handle */
3254	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3255	if (-1 == iIndex) /* error ? */
3256	{
3257	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3258	return (NULL); /* signal failure */
3259	}
3260
3261	if(IsBadReadPtr(lpctmo,sizeof(COMMTIMEOUTS)) )
3262	{
3263	SetLastError(ERROR_INVALID_PARAMETER);
3264	return FALSE;
3265	}
3266
3267	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3268	bResult = pHMHandle->pDeviceHandler->SetCommTimeouts( &pHMHandle->hmHandleData,
3269	lpctmo);
3270
3271	return (bResult); /* deliver return code */
3272	}
3273
3274	BOOL HMCommTransmitCommChar( HANDLE hCommDev,
3275	CHAR cChar )
3276	{
3277	int iIndex; /* index into the handle table */
3278	BOOL bResult; /* result from the device handler's API */
3279	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3280
3281	/* validate handle */
3282	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3283	if (-1 == iIndex) /* error ? */
3284	{
3285	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3286	return (NULL); /* signal failure */
3287	}
3288
3289	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3290	bResult = pHMHandle->pDeviceHandler->TransmitCommChar( &pHMHandle->hmHandleData,
3291	cChar);
3292
3293	return (bResult); /* deliver return code */
3294	}
3295
3296	BOOL HMCommSetCommConfig( HANDLE hCommDev,
3297	LPCOMMCONFIG lpCC,
3298	DWORD dwSize )
3299	{
3300	int iIndex; /* index into the handle table */
3301	BOOL bResult; /* result from the device handler's API */
3302	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3303
3304	/* validate handle */
3305	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3306	if (-1 == iIndex) /* error ? */
3307	{
3308	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3309	return (NULL); /* signal failure */
3310	}
3311
3312	if( IsBadReadPtr(lpCC,sizeof(COMMCONFIG)) \|\|
3313	dwSize < sizeof(COMMCONFIG) )
3314	{
3315	SetLastError(ERROR_INVALID_PARAMETER);
3316	return FALSE;
3317	}
3318
3319	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3320	bResult = pHMHandle->pDeviceHandler->SetCommConfig( &pHMHandle->hmHandleData,
3321	lpCC,
3322	dwSize);
3323
3324	return (bResult); /* deliver return code */
3325	}
3326
3327	BOOL HMCommSetCommBreak( HANDLE hCommDev )
3328	{
3329	int iIndex; /* index into the handle table */
3330	BOOL bResult; /* result from the device handler's API */
3331	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3332
3333	/* validate handle */
3334	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3335	if (-1 == iIndex) /* error ? */
3336	{
3337	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3338	return (NULL); /* signal failure */
3339	}
3340
3341	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3342	bResult = pHMHandle->pDeviceHandler->SetCommBreak( &pHMHandle->hmHandleData);
3343
3344	return (bResult); /* deliver return code */
3345	}
3346
3347	BOOL HMCommGetCommConfig( HANDLE hCommDev,
3348	LPCOMMCONFIG lpCC,
3349	LPDWORD lpdwSize )
3350	{
3351	int iIndex; /* index into the handle table */
3352	BOOL bResult; /* result from the device handler's API */
3353	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3354
3355	/* validate handle */
3356	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3357	if (-1 == iIndex) /* error ? */
3358	{
3359	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3360	return (NULL); /* signal failure */
3361	}
3362
3363	if(IsBadWritePtr(lpdwSize,sizeof(DWORD)) )
3364	{
3365	SetLastError(ERROR_INVALID_PARAMETER);
3366	return FALSE;
3367	}
3368
3369	if( IsBadWritePtr(lpCC,sizeof(COMMCONFIG)) \|\|
3370	*lpdwSize< sizeof(COMMCONFIG) )
3371	{
3372	SetLastError(ERROR_INSUFFICIENT_BUFFER);
3373	*lpdwSize= sizeof(COMMCONFIG);
3374	return FALSE;
3375	}
3376
3377	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3378	bResult = pHMHandle->pDeviceHandler->GetCommConfig( &pHMHandle->hmHandleData,
3379	lpCC,
3380	lpdwSize);
3381
3382	return (bResult); /* deliver return code */
3383	}
3384
3385	BOOL HMCommEscapeCommFunction( HANDLE hCommDev,
3386	UINT dwFunc )
3387	{
3388	int iIndex; /* index into the handle table */
3389	BOOL bResult; /* result from the device handler's API */
3390	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3391
3392	/* validate handle */
3393	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3394	if (-1 == iIndex) /* error ? */
3395	{
3396	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3397	return (NULL); /* signal failure */
3398	}
3399
3400	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3401
3402	switch(dwFunc)
3403	{
3404	case CLRDTR:
3405	case CLRRTS:
3406	case SETDTR:
3407	case SETRTS:
3408	case SETXOFF:
3409	case SETXON:
3410	bResult = pHMHandle->pDeviceHandler->EscapeCommFunction( &pHMHandle->hmHandleData,
3411	dwFunc);
3412	break;
3413	case SETBREAK:
3414	bResult = pHMHandle->pDeviceHandler->SetCommBreak(&pHMHandle->hmHandleData);
3415	break;
3416	case CLRBREAK:
3417	bResult = pHMHandle->pDeviceHandler->ClearCommBreak(&pHMHandle->hmHandleData);
3418	break;
3419	default:
3420	SetLastError(ERROR_INVALID_PARAMETER);
3421	bResult = FALSE;
3422	}
3423
3424
3425	return (bResult); /* deliver return code */
3426	}
3427
3428	BOOL HMCommSetupComm( HANDLE hCommDev,
3429	DWORD dwInQueue,
3430	DWORD dwOutQueue)
3431	{
3432	int iIndex; /* index into the handle table */
3433	BOOL bResult; /* result from the device handler's API */
3434	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3435
3436	/* validate handle */
3437	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3438	if (-1 == iIndex) /* error ? */
3439	{
3440	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3441	return (NULL); /* signal failure */
3442	}
3443
3444	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3445	bResult = pHMHandle->pDeviceHandler->SetupComm(&pHMHandle->hmHandleData,
3446	dwInQueue,
3447	dwOutQueue);
3448
3449	return (bResult); /* deliver return code */
3450	}
3451
3452	BOOL HMCommClearCommBreak(HANDLE hCommDev)
3453	{
3454	int iIndex; /* index into the handle table */
3455	BOOL bResult; /* result from the device handler's API */
3456	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3457
3458	/* validate handle */
3459	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3460	if (-1 == iIndex) /* error ? */
3461	{
3462	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3463	return (NULL); /* signal failure */
3464	}
3465
3466	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3467	bResult = pHMHandle->pDeviceHandler->ClearCommBreak(&pHMHandle->hmHandleData);
3468
3469	return (bResult); /* deliver return code */
3470	}
3471
3472	BOOL HMCommSetDefaultCommConfig( HANDLE hCommDev,
3473	LPCOMMCONFIG lpCC,
3474	DWORD dwSize)
3475	{
3476	int iIndex; /* index into the handle table */
3477	BOOL bResult; /* result from the device handler's API */
3478	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3479
3480	/* validate handle */
3481	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3482	if (-1 == iIndex) /* error ? */
3483	{
3484	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3485	return (NULL); /* signal failure */
3486	}
3487
3488	if( (lpCC!=NULL) &&
3489	( IsBadReadPtr(lpCC,sizeof(COMMCONFIG)) \|\|
3490	dwSize != sizeof(COMMCONFIG) ) )
3491	{
3492	SetLastError(ERROR_INVALID_PARAMETER);
3493	return FALSE;
3494	}
3495
3496	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3497	bResult = pHMHandle->pDeviceHandler->SetDefaultCommConfig(&pHMHandle->hmHandleData,
3498	lpCC,
3499	dwSize);
3500
3501	return (bResult); /* deliver return code */
3502	}
3503
3504	BOOL HMCommGetDefaultCommConfig( HANDLE hCommDev,
3505	LPCOMMCONFIG lpCC,
3506	LPDWORD lpdwSize)
3507	{
3508	int iIndex; /* index into the handle table */
3509	BOOL bResult; /* result from the device handler's API */
3510	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3511
3512	/* validate handle */
3513	iIndex = _HMHandleQuery(hCommDev); /* get the index */
3514	if (-1 == iIndex) /* error ? */
3515	{
3516	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3517	return (NULL); /* signal failure */
3518	}
3519
3520	if(IsBadWritePtr(lpdwSize,sizeof(DWORD)))
3521	{
3522	SetLastError(ERROR_INVALID_PARAMETER);
3523	return FALSE;
3524	}
3525
3526	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3527	bResult = pHMHandle->pDeviceHandler->GetDefaultCommConfig( &pHMHandle->hmHandleData,
3528	lpCC,
3529	lpdwSize);
3530
3531	return (bResult); /* deliver return code */
3532	}
3533
3534	/*****************************************************************************
3535	* Name : HMOpenThreadToken
3536	* Purpose : router function for NtOpenThreadToken
3537	* Parameters:
3538	* Variables :
3539	* Result :
3540	* Remark :
3541	* Status :
3542	*
3543	* Author : SvL
3544	*****************************************************************************/
3545
3546	DWORD HMOpenThreadToken(HANDLE ThreadHandle,
3547	DWORD DesiredAccess,
3548	DWORD OpenAsSelf,
3549	HANDLE *TokenHandle)
3550	{
3551	int iIndex; /* index into the handle table */
3552	int iIndexNew; /* index into the handle table */
3553	HMDeviceHandler pDeviceHandler; / device handler for this handle */
3554	PHMHANDLEDATA pHMHandleData;
3555	DWORD rc; /* API return code */
3556
3557	pDeviceHandler = HMGlobals.pHMToken; /* device is predefined */
3558
3559	iIndexNew = _HMHandleGetFree(); /* get free handle */
3560	if (-1 == iIndexNew) /* oops, no free handles ! */
3561	{
3562	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
3563	return ERROR_NOT_ENOUGH_MEMORY;
3564	}
3565
3566	/* initialize the complete HMHANDLEDATA structure */
3567	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
3568	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
3569	pHMHandleData->dwAccess = DesiredAccess;
3570	pHMHandleData->dwShare = 0;
3571	pHMHandleData->dwCreation = 0;
3572	pHMHandleData->dwFlags = 0;
3573	pHMHandleData->lpHandlerData = NULL;
3574
3575
3576	/* we've got to mark the handle as occupied here, since another device */
3577	/* could be created within the device handler -> deadlock */
3578
3579	/* write appropriate entry into the handle table if open succeeded */
3580	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
3581	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
3582
3583	/* call the device handler */
3584
3585	// @@@PH: Note: hFile is a Win32-style handle, it's not (yet) converted to
3586	// a valid HandleManager-internal handle!
3587	rc = pDeviceHandler->OpenThreadToken(&TabWin32Handles[iIndexNew].hmHandleData,
3588	ThreadHandle,
3589	OpenAsSelf);
3590
3591	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
3592	{
3593	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
3594	return (rc); /* signal error */
3595	}
3596	else
3597	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
3598
3599	TokenHandle = iIndexNew; / return valid handle */
3600	return STATUS_SUCCESS;
3601	}
3602
3603	/*****************************************************************************
3604	* Name : HMOpenProcessToken
3605	* Purpose : router function for NtOpenProcessToken
3606	* Parameters:
3607	* Variables :
3608	* Result :
3609	* Remark :
3610	* Status :
3611	*
3612	* Author : SvL
3613	*****************************************************************************/
3614	DWORD HMOpenProcessToken(HANDLE ProcessHandle,
3615	DWORD DesiredAccess,
3616	DWORD dwUserData,
3617	HANDLE *TokenHandle)
3618	{
3619	int iIndex; /* index into the handle table */
3620	int iIndexNew; /* index into the handle table */
3621	HMDeviceHandler pDeviceHandler; / device handler for this handle */
3622	PHMHANDLEDATA pHMHandleData;
3623	DWORD rc; /* API return code */
3624
3625	pDeviceHandler = HMGlobals.pHMToken; /* device is predefined */
3626
3627	iIndexNew = _HMHandleGetFree(); /* get free handle */
3628	if (-1 == iIndexNew) /* oops, no free handles ! */
3629	{
3630	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
3631	return ERROR_NOT_ENOUGH_MEMORY;
3632	}
3633
3634	/* initialize the complete HMHANDLEDATA structure */
3635	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
3636	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
3637	pHMHandleData->dwAccess = DesiredAccess;
3638	pHMHandleData->dwShare = 0;
3639	pHMHandleData->dwCreation = 0;
3640	pHMHandleData->dwFlags = 0;
3641	pHMHandleData->lpHandlerData = NULL;
3642
3643
3644	/* we've got to mark the handle as occupied here, since another device */
3645	/* could be created within the device handler -> deadlock */
3646
3647	/* write appropriate entry into the handle table if open succeeded */
3648	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
3649	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
3650
3651	/* call the device handler */
3652
3653	// @@@PH: Note: hFile is a Win32-style handle, it's not (yet) converted to
3654	// a valid HandleManager-internal handle!
3655	rc = pDeviceHandler->OpenProcessToken(&TabWin32Handles[iIndexNew].hmHandleData,
3656	dwUserData,
3657	ProcessHandle);
3658
3659	if (rc != NO_ERROR) /* oops, creation failed within the device handler */
3660	{
3661	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
3662	return (rc); /* signal error */
3663	}
3664	else
3665	SetLastError(ERROR_SUCCESS); //@@@PH 1999/10/27 rc5desg requires this?
3666
3667	TokenHandle = iIndexNew; / return valid handle */
3668	return STATUS_SUCCESS;
3669	}
3670	/*****************************************************************************
3671	* Name : HMCreateThread
3672	* Purpose : router function for CreateThread
3673	* Parameters:
3674	* Variables :
3675	* Result :
3676	* Remark :
3677	* Status :
3678	*
3679	* Author : SvL
3680	*****************************************************************************/
3681	HANDLE HMCreateThread(LPSECURITY_ATTRIBUTES lpsa,
3682	DWORD cbStack,
3683	LPTHREAD_START_ROUTINE lpStartAddr,
3684	LPVOID lpvThreadParm,
3685	DWORD fdwCreate,
3686	LPDWORD lpIDThread,
3687	BOOL fFirstThread)
3688	{
3689	int iIndex; /* index into the handle table */
3690	int iIndexNew; /* index into the handle table */
3691	HMDeviceHandler pDeviceHandler; / device handler for this handle */
3692	PHMHANDLEDATA pHMHandleData;
3693	HANDLE rc; /* API return code */
3694
3695	SetLastError(ERROR_SUCCESS);
3696
3697	pDeviceHandler = HMGlobals.pHMThread; /* device is predefined */
3698
3699	iIndexNew = _HMHandleGetFree(); /* get free handle */
3700	if (-1 == iIndexNew) /* oops, no free handles ! */
3701	{
3702	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
3703	return 0;
3704	}
3705
3706	/* initialize the complete HMHANDLEDATA structure */
3707	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
3708	pHMHandleData->dwType = FILE_TYPE_UNKNOWN; /* unknown handle type */
3709	pHMHandleData->dwAccess = 0;
3710	pHMHandleData->dwShare = 0;
3711	pHMHandleData->dwCreation = 0;
3712	pHMHandleData->dwFlags = 0;
3713	pHMHandleData->lpHandlerData = NULL;
3714
3715
3716	/* we've got to mark the handle as occupied here, since another device */
3717	/* could be created within the device handler -> deadlock */
3718
3719	/* write appropriate entry into the handle table if open succeeded */
3720	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
3721	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
3722
3723	/* call the device handler */
3724
3725	// @@@PH: Note: hFile is a Win32-style handle, it's not (yet) converted to
3726	// a valid HandleManager-internal handle!
3727	rc = pDeviceHandler->CreateThread(&TabWin32Handles[iIndexNew].hmHandleData,
3728	lpsa, cbStack, lpStartAddr,
3729	lpvThreadParm, fdwCreate, lpIDThread, fFirstThread);
3730
3731	if (rc == 0) /* oops, creation failed within the device handler */
3732	{
3733	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
3734	return 0; /* signal error */
3735	}
3736
3737	return iIndexNew;
3738	}
3739	/*****************************************************************************
3740	* Name : HMGetThreadPriority
3741	* Purpose : router function for GetThreadPriority
3742	* Parameters:
3743	* Variables :
3744	* Result :
3745	* Remark :
3746	* Status :
3747	*
3748	* Author : SvL
3749	*****************************************************************************/
3750	INT HMGetThreadPriority(HANDLE hThread)
3751	{
3752	int iIndex; /* index into the handle table */
3753	INT lpResult; /* result from the device handler's API */
3754	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3755
3756	SetLastError(ERROR_SUCCESS);
3757	/* validate handle */
3758	iIndex = _HMHandleQuery(hThread); /* get the index */
3759	if (-1 == iIndex) /* error ? */
3760	{
3761	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3762	return (-1); /* signal failure */
3763	}
3764
3765	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3766	lpResult = pHMHandle->pDeviceHandler->GetThreadPriority(&TabWin32Handles[iIndex].hmHandleData);
3767
3768	return (lpResult); /* deliver return code */
3769	}
3770	/*****************************************************************************
3771	* Name : HMSuspendThread
3772	* Purpose : router function for SuspendThread
3773	* Parameters:
3774	* Variables :
3775	* Result :
3776	* Remark :
3777	* Status :
3778	*
3779	* Author : SvL
3780	*****************************************************************************/
3781	DWORD HMSuspendThread(HANDLE hThread)
3782	{
3783	int iIndex; /* index into the handle table */
3784	HANDLE lpResult; /* result from the device handler's API */
3785	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3786
3787	SetLastError(ERROR_SUCCESS);
3788	/* validate handle */
3789	iIndex = _HMHandleQuery(hThread); /* get the index */
3790	if (-1 == iIndex) /* error ? */
3791	{
3792	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3793	return -1; /* signal failure */
3794	}
3795
3796	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3797	lpResult = pHMHandle->pDeviceHandler->SuspendThread(&TabWin32Handles[iIndex].hmHandleData);
3798
3799	return (lpResult); /* deliver return code */
3800	}
3801	/*****************************************************************************
3802	* Name : HMSetThreadPriority
3803	* Purpose : router function for SetThreadPriority
3804	* Parameters:
3805	* Variables :
3806	* Result :
3807	* Remark :
3808	* Status :
3809	*
3810	* Author : SvL
3811	*****************************************************************************/
3812	BOOL HMSetThreadPriority(HANDLE hThread, int priority)
3813	{
3814	int iIndex; /* index into the handle table */
3815	BOOL lpResult; /* result from the device handler's API */
3816	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3817
3818	SetLastError(ERROR_SUCCESS);
3819	/* validate handle */
3820	iIndex = _HMHandleQuery(hThread); /* get the index */
3821	if (-1 == iIndex) /* error ? */
3822	{
3823	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3824	return FALSE; /* signal failure */
3825	}
3826
3827	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3828	lpResult = pHMHandle->pDeviceHandler->SetThreadPriority(&TabWin32Handles[iIndex].hmHandleData, priority);
3829
3830	return (lpResult); /* deliver return code */
3831	}
3832	/*****************************************************************************
3833	* Name : HMGetThreadContext
3834	* Purpose : router function for GetThreadContext
3835	* Parameters:
3836	* Variables :
3837	* Result :
3838	* Remark :
3839	* Status :
3840	*
3841	* Author : SvL
3842	*****************************************************************************/
3843	BOOL HMGetThreadContext(HANDLE hThread, CONTEXT *lpContext)
3844	{
3845	int iIndex; /* index into the handle table */
3846	BOOL lpResult; /* result from the device handler's API */
3847	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3848
3849	SetLastError(ERROR_SUCCESS);
3850	/* validate handle */
3851	iIndex = _HMHandleQuery(hThread); /* get the index */
3852	if (-1 == iIndex) /* error ? */
3853	{
3854	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3855	return FALSE; /* signal failure */
3856	}
3857
3858	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3859	lpResult = pHMHandle->pDeviceHandler->GetThreadContext(&TabWin32Handles[iIndex].hmHandleData, lpContext);
3860
3861	return (lpResult); /* deliver return code */
3862	}
3863	/*****************************************************************************
3864	* Name : HMSetThreadContext
3865	* Purpose : router function for SetThreadContext
3866	* Parameters:
3867	* Variables :
3868	* Result :
3869	* Remark :
3870	* Status :
3871	*
3872	* Author : SvL
3873	*****************************************************************************/
3874	BOOL HMSetThreadContext(HANDLE hThread, const CONTEXT *lpContext)
3875	{
3876	int iIndex; /* index into the handle table */
3877	BOOL lpResult; /* result from the device handler's API */
3878	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3879
3880	SetLastError(ERROR_SUCCESS);
3881	/* validate handle */
3882	iIndex = _HMHandleQuery(hThread); /* get the index */
3883	if (-1 == iIndex) /* error ? */
3884	{
3885	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3886	return FALSE; /* signal failure */
3887	}
3888
3889	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3890	lpResult = pHMHandle->pDeviceHandler->SetThreadContext(&TabWin32Handles[iIndex].hmHandleData, lpContext);
3891
3892	return (lpResult); /* deliver return code */
3893	}
3894	/*****************************************************************************
3895	* Name : HMTerminateThread
3896	* Purpose : router function for TerminateThread
3897	* Parameters:
3898	* Variables :
3899	* Result :
3900	* Remark :
3901	* Status :
3902	*
3903	* Author : SvL
3904	*****************************************************************************/
3905	BOOL HMTerminateThread(HANDLE hThread, DWORD exitcode)
3906	{
3907	int iIndex; /* index into the handle table */
3908	BOOL lpResult; /* result from the device handler's API */
3909	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3910
3911	SetLastError(ERROR_SUCCESS);
3912	/* validate handle */
3913	iIndex = _HMHandleQuery(hThread); /* get the index */
3914	if (-1 == iIndex) /* error ? */
3915	{
3916	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3917	return FALSE; /* signal failure */
3918	}
3919
3920	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3921	lpResult = pHMHandle->pDeviceHandler->TerminateThread(&TabWin32Handles[iIndex].hmHandleData, exitcode);
3922
3923	return (lpResult); /* deliver return code */
3924	}
3925	/*****************************************************************************
3926	* Name : HMResumeThread
3927	* Purpose : router function for ResumeThread
3928	* Parameters:
3929	* Variables :
3930	* Result :
3931	* Remark :
3932	* Status :
3933	*
3934	* Author : SvL
3935	*****************************************************************************/
3936	DWORD HMResumeThread(HANDLE hThread)
3937	{
3938	int iIndex; /* index into the handle table */
3939	DWORD lpResult; /* result from the device handler's API */
3940	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3941
3942	SetLastError(ERROR_SUCCESS);
3943	/* validate handle */
3944	iIndex = _HMHandleQuery(hThread); /* get the index */
3945	if (-1 == iIndex) /* error ? */
3946	{
3947	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3948	return -1; /* signal failure */
3949	}
3950
3951	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3952	lpResult = pHMHandle->pDeviceHandler->ResumeThread(&TabWin32Handles[iIndex].hmHandleData);
3953
3954	return (lpResult); /* deliver return code */
3955	}
3956
3957	/*****************************************************************************
3958	* Name : HMGetExitCodeThread
3959	* Purpose : router function for GetExitCodeThread
3960	* Parameters:
3961	* Variables :
3962	* Result :
3963	* Remark :
3964	* Status :
3965	*
3966	* Author : SvL
3967	*****************************************************************************/
3968	BOOL HMGetExitCodeThread(HANDLE hThread, LPDWORD lpExitCode)
3969	{
3970	int iIndex; /* index into the handle table */
3971	BOOL lpResult; /* result from the device handler's API */
3972	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
3973
3974	SetLastError(ERROR_SUCCESS);
3975	/* validate handle */
3976	iIndex = _HMHandleQuery(hThread); /* get the index */
3977	if (-1 == iIndex) /* error ? */
3978	{
3979	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
3980	return FALSE; /* signal failure */
3981	}
3982
3983	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
3984	lpResult = pHMHandle->pDeviceHandler->GetExitCodeThread(&TabWin32Handles[iIndex].hmHandleData, lpExitCode);
3985
3986	return (lpResult); /* deliver return code */
3987	}
3988	/*****************************************************************************
3989	* Name : HMSetThreadTerminated
3990	* Purpose :
3991	* Parameters:
3992	* Variables :
3993	* Result :
3994	* Remark :
3995	* Status :
3996	*
3997	* Author : SvL
3998	*****************************************************************************/
3999	BOOL HMSetThreadTerminated(HANDLE hThread)
4000	{
4001	int iIndex; /* index into the handle table */
4002	BOOL lpResult; /* result from the device handler's API */
4003	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4004
4005	SetLastError(ERROR_SUCCESS);
4006	/* validate handle */
4007	iIndex = _HMHandleQuery(hThread); /* get the index */
4008	if (-1 == iIndex) /* error ? */
4009	{
4010	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4011	return FALSE; /* signal failure */
4012	}
4013
4014	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4015	lpResult = pHMHandle->pDeviceHandler->SetThreadTerminated(&TabWin32Handles[iIndex].hmHandleData);
4016
4017	return (lpResult); /* deliver return code */
4018	}
4019
4020	/*****************************************************************************
4021	* Name : HMPeekNamedPipe
4022	* Purpose :
4023	* Parameters:
4024	* Variables :
4025	* Result :
4026	* Remark :
4027	* Status :
4028	*
4029	* Author : Przemyslaw Dobrowolski
4030	*****************************************************************************/
4031	BOOL HMPeekNamedPipe(HANDLE hPipe,
4032	LPVOID lpvBuffer,
4033	DWORD cbBuffer,
4034	LPDWORD lpcbRead,
4035	LPDWORD lpcbAvail,
4036	LPDWORD lpcbMessage)
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(hPipe); /* 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->PeekNamedPipe(&TabWin32Handles[iIndex].hmHandleData,
4053	lpvBuffer,
4054	cbBuffer,
4055	lpcbRead,
4056	lpcbAvail,
4057	lpcbMessage);
4058
4059	return (lpResult); /* deliver return code */
4060	}
4061
4062	/*****************************************************************************
4063	* Name : HMCreateNamedPipe
4064	* Purpose :
4065	* Parameters:
4066	* Variables :
4067	* Result :
4068	* Remark :
4069	* Status :
4070	*
4071	* Author : Przemyslaw Dobrowolski
4072	*****************************************************************************/
4073	DWORD HMCreateNamedPipe(LPCTSTR lpName,
4074	DWORD dwOpenMode,
4075	DWORD dwPipeMode,
4076	DWORD nMaxInstances,
4077	DWORD nOutBufferSize,
4078	DWORD nInBufferSize,
4079	DWORD nDefaultTimeOut,
4080	LPSECURITY_ATTRIBUTES lpSecurityAttributes)
4081	{
4082	int iIndex; /* index into the handle table */
4083	int iIndexNew; /* index into the handle table */
4084	HMDeviceHandler pDeviceHandler; / device handler for this handle */
4085	PHMHANDLEDATA pHMHandleData;
4086	HANDLE rc; /* API return code */
4087
4088	SetLastError(ERROR_SUCCESS);
4089
4090	pDeviceHandler = HMGlobals.pHMNamedPipe; /* device is predefined */
4091
4092	iIndexNew = _HMHandleGetFree(); /* get free handle */
4093	if (-1 == iIndexNew) /* oops, no free handles ! */
4094	{
4095	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
4096	return 0;
4097	}
4098
4099	/* initialize the complete HMHANDLEDATA structure */
4100	pHMHandleData = &TabWin32Handles[iIndexNew].hmHandleData;
4101	pHMHandleData->dwType = FILE_TYPE_PIPE;
4102	pHMHandleData->dwAccess = 0;
4103	pHMHandleData->dwShare = 0;
4104	pHMHandleData->dwCreation = 0;
4105	pHMHandleData->dwFlags = 0;
4106	pHMHandleData->lpHandlerData = NULL;
4107
4108	/* we've got to mark the handle as occupied here, since another device */
4109	/* could be created within the device handler -> deadlock */
4110
4111	/* write appropriate entry into the handle table if open succeeded */
4112	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = iIndexNew;
4113	TabWin32Handles[iIndexNew].pDeviceHandler = pDeviceHandler;
4114
4115	/* call the device handler */
4116
4117	rc = pDeviceHandler->CreateNamedPipe(&TabWin32Handles[iIndexNew].hmHandleData,
4118	lpName,dwOpenMode,
4119	dwPipeMode,nMaxInstances,
4120	nOutBufferSize,nInBufferSize,
4121	nDefaultTimeOut,lpSecurityAttributes);
4122
4123	if (rc == 0) /* oops, creation failed within the device handler */
4124	{
4125	TabWin32Handles[iIndexNew].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
4126	return 0; /* signal error */
4127	}
4128
4129	dprintf(("Win32 Handle -> %08x",iIndexNew));
4130
4131	return iIndexNew;
4132	}
4133
4134	/*****************************************************************************
4135	* Name : HMConnectNamedPipe
4136	* Purpose :
4137	* Parameters:
4138	* Variables :
4139	* Result :
4140	* Remark :
4141	* Status :
4142	*
4143	* Author : Przemyslaw Dobrowolski
4144	*****************************************************************************/
4145	BOOL HMConnectNamedPipe(HANDLE hPipe, LPOVERLAPPED lpOverlapped)
4146	{
4147	int iIndex; /* index into the handle table */
4148	BOOL lpResult; /* result from the device handler's API */
4149	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4150
4151	SetLastError(ERROR_SUCCESS);
4152	/* validate handle */
4153	iIndex = _HMHandleQuery(hPipe); /* get the index */
4154	if (-1 == iIndex) /* error ? */
4155	{
4156	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4157	return FALSE; /* signal failure */
4158	}
4159
4160	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4161	lpResult = pHMHandle->pDeviceHandler->ConnectNamedPipe(&TabWin32Handles[iIndex].hmHandleData,
4162	lpOverlapped);
4163
4164	return (lpResult); /* deliver return code */
4165	}
4166
4167	/*****************************************************************************
4168	* Name : HMDisconnectNamedPipe
4169	* Purpose :
4170	* Parameters:
4171	* Variables :
4172	* Result :
4173	* Remark :
4174	* Status :
4175	*
4176	* Author : Przemyslaw Dobrowolski
4177	*****************************************************************************/
4178	BOOL HMDisconnectNamedPipe(HANDLE hPipe)
4179	{
4180	int iIndex; /* index into the handle table */
4181	BOOL lpResult; /* result from the device handler's API */
4182	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4183
4184	SetLastError(ERROR_SUCCESS);
4185	/* validate handle */
4186	iIndex = _HMHandleQuery(hPipe); /* get the index */
4187	if (-1 == iIndex) /* error ? */
4188	{
4189	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4190	return FALSE; /* signal failure */
4191	}
4192
4193	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4194	lpResult = pHMHandle->pDeviceHandler->DisconnectNamedPipe(&TabWin32Handles[iIndex].hmHandleData);
4195
4196	return (lpResult); /* deliver return code */
4197	}
4198
4199	/*****************************************************************************
4200	* Name : HMGetNamedPipeHandleState
4201	* Purpose :
4202	* Parameters:
4203	* Variables :
4204	* Result :
4205	* Remark :
4206	* Status :
4207	*
4208	* Author : Przemyslaw Dobrowolski
4209	*****************************************************************************/
4210	BOOL HMGetNamedPipeHandleState(HANDLE hPipe,
4211	LPDWORD lpState,
4212	LPDWORD lpCurInstances,
4213	LPDWORD lpMaxCollectionCount,
4214	LPDWORD lpCollectDataTimeout,
4215	LPTSTR lpUserName,
4216	DWORD nMaxUserNameSize)
4217	{
4218	int iIndex; /* index into the handle table */
4219	BOOL lpResult; /* result from the device handler's API */
4220	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4221
4222	SetLastError(ERROR_SUCCESS);
4223	/* validate handle */
4224	iIndex = _HMHandleQuery(hPipe); /* get the index */
4225	if (-1 == iIndex) /* error ? */
4226	{
4227	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4228	return FALSE; /* signal failure */
4229	}
4230
4231	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4232	lpResult = pHMHandle->pDeviceHandler->GetNamedPipeHandleState(&TabWin32Handles[iIndex].hmHandleData,
4233	lpState,
4234	lpCurInstances,
4235	lpMaxCollectionCount,
4236	lpCollectDataTimeout,
4237	lpUserName,
4238	nMaxUserNameSize);
4239
4240
4241	return (lpResult); /* deliver return code */
4242	}
4243
4244	/*****************************************************************************
4245	* Name : HMGetNamedPipeInfo
4246	* Purpose :
4247	* Parameters:
4248	* Variables :
4249	* Result :
4250	* Remark :
4251	* Status :
4252	*
4253	* Author : Przemyslaw Dobrowolski
4254	*****************************************************************************/
4255	BOOL HMGetNamedPipeInfo(HANDLE hPipe,
4256	LPDWORD lpFlags,
4257	LPDWORD lpOutBufferSize,
4258	LPDWORD lpInBufferSize,
4259	LPDWORD lpMaxInstances)
4260	{
4261	int iIndex; /* index into the handle table */
4262	BOOL lpResult; /* result from the device handler's API */
4263	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4264
4265	SetLastError(ERROR_SUCCESS);
4266	/* validate handle */
4267	iIndex = _HMHandleQuery(hPipe); /* get the index */
4268	if (-1 == iIndex) /* error ? */
4269	{
4270	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4271	return FALSE; /* signal failure */
4272	}
4273
4274	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4275	lpResult = pHMHandle->pDeviceHandler->GetNamedPipeInfo(&TabWin32Handles[iIndex].hmHandleData,
4276	lpFlags,
4277	lpOutBufferSize,
4278	lpInBufferSize,
4279	lpMaxInstances);
4280
4281	return (lpResult); /* deliver return code */
4282	}
4283
4284	/*****************************************************************************
4285	* Name : HMTransactNamedPipe
4286	* Purpose :
4287	* Parameters:
4288	* Variables :
4289	* Result :
4290	* Remark :
4291	* Status :
4292	*
4293	* Author : Przemyslaw Dobrowolski
4294	*****************************************************************************/
4295	DWORD HMTransactNamedPipe(HANDLE hPipe,
4296	LPVOID lpvWriteBuf,
4297	DWORD cbWriteBuf,
4298	LPVOID lpvReadBuf,
4299	DWORD cbReadBuf,
4300	LPDWORD lpcbRead,
4301	LPOVERLAPPED lpo)
4302	{
4303	int iIndex; /* index into the handle table */
4304	DWORD lpResult; /* result from the device handler's API */
4305	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4306
4307	SetLastError(ERROR_SUCCESS);
4308	/* validate handle */
4309	iIndex = _HMHandleQuery(hPipe); /* get the index */
4310	if (-1 == iIndex) /* error ? */
4311	{
4312	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4313	return FALSE; /* signal failure */
4314	}
4315
4316	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4317	lpResult = pHMHandle->pDeviceHandler->TransactNamedPipe(&TabWin32Handles[iIndex].hmHandleData,
4318	lpvWriteBuf,
4319	cbWriteBuf,
4320	lpvReadBuf,
4321	cbReadBuf,
4322	lpcbRead,
4323	lpo);
4324
4325	return (lpResult); /* deliver return code */
4326	}
4327
4328	/*****************************************************************************
4329	* Name : HMSetNamedPipeHandleState
4330	* Purpose :
4331	* Parameters:
4332	* Variables :
4333	* Result :
4334	* Remark :
4335	* Status :
4336	*
4337	* Author : Przemyslaw Dobrowolski
4338	*****************************************************************************/
4339	BOOL HMSetNamedPipeHandleState(HANDLE hPipe,
4340	LPDWORD lpdwMode,
4341	LPDWORD lpcbMaxCollect,
4342	LPDWORD lpdwCollectDataTimeout)
4343	{
4344	int iIndex; /* index into the handle table */
4345	BOOL lpResult; /* result from the device handler's API */
4346	PHMHANDLE pHMHandle; /* pointer to the handle structure in the table */
4347
4348	SetLastError(ERROR_SUCCESS);
4349	/* validate handle */
4350	iIndex = _HMHandleQuery(hPipe); /* get the index */
4351	if (-1 == iIndex) /* error ? */
4352	{
4353	SetLastError(ERROR_INVALID_HANDLE); /* set win32 error information */
4354	return FALSE; /* signal failure */
4355	}
4356
4357	pHMHandle = &TabWin32Handles[iIndex]; /* call device handler */
4358	lpResult = pHMHandle->pDeviceHandler->SetNamedPipeHandleState(&TabWin32Handles[iIndex].hmHandleData,
4359	lpdwMode,
4360	lpcbMaxCollect,
4361	lpdwCollectDataTimeout);
4362
4363	return (lpResult); /* deliver return code */
4364	}
4365
4366	/*****************************************************************************
4367	* Name : HMCreatePipe
4368	* Purpose :
4369	* Parameters:
4370	* Variables :
4371	* Result :
4372	* Remark :
4373	* Status : NOT TESTED!
4374	*
4375	* Author : Przemyslaw Dobrowolski
4376	*****************************************************************************/
4377	BOOL HMCreatePipe(PHANDLE phRead,
4378	PHANDLE phWrite,
4379	LPSECURITY_ATTRIBUTES lpsa,
4380	DWORD cbPipe)
4381	{
4382	int iIndex; /* index into the handle table */
4383	int iIndexNewRead; /* index into the handle table */
4384	int iIndexNewWrite; /* index into the handle table */
4385	HMDeviceHandler pDeviceHandler; / device handler for this handle */
4386	PHMHANDLEDATA pHMHandleData;
4387	HANDLE rc; /* API return code */
4388
4389	SetLastError(ERROR_SUCCESS);
4390
4391	pDeviceHandler = HMGlobals.pHMNamedPipe; /* device is predefined */
4392
4393	iIndexNewRead = _HMHandleGetFree(); /* get free handle */
4394	if (-1 == iIndexNewRead) /* oops, no free handles ! */
4395	{
4396	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
4397	return 0;
4398	}
4399
4400	iIndexNewWrite = _HMHandleGetFree(); /* get free handle */
4401	if (-1 == iIndexNewWrite) /* oops, no free handles ! */
4402	{
4403	SetLastError(ERROR_NOT_ENOUGH_MEMORY); /* use this as error message */
4404	return 0;
4405	}
4406
4407
4408	/* initialize the complete HMHANDLEDATA structure */
4409	pHMHandleData = &TabWin32Handles[iIndexNewRead].hmHandleData;
4410	pHMHandleData->dwType = FILE_TYPE_PIPE;
4411	pHMHandleData->dwAccess = 0;
4412	pHMHandleData->dwShare = 0;
4413	pHMHandleData->dwCreation = 0;
4414	pHMHandleData->dwFlags = 0;
4415	pHMHandleData->lpHandlerData = NULL;
4416
4417	/* we've got to mark the handle as occupied here, since another device */
4418	/* could be created within the device handler -> deadlock */
4419
4420	/* write appropriate entry into the handle table if open succeeded */
4421	TabWin32Handles[iIndexNewRead].hmHandleData.hHMHandle = iIndexNewRead;
4422	TabWin32Handles[iIndexNewRead].pDeviceHandler = pDeviceHandler;
4423
4424	/* initialize the complete HMHANDLEDATA structure */
4425	pHMHandleData = &TabWin32Handles[iIndexNewWrite].hmHandleData;
4426	pHMHandleData->dwType = FILE_TYPE_PIPE;
4427	pHMHandleData->dwAccess = 0;
4428	pHMHandleData->dwShare = 0;
4429	pHMHandleData->dwCreation = 0;
4430	pHMHandleData->dwFlags = 0;
4431	pHMHandleData->lpHandlerData = NULL;
4432
4433	/* we've got to mark the handle as occupied here, since another device */
4434	/* could be created within the device handler -> deadlock */
4435
4436	/* write appropriate entry into the handle table if open succeeded */
4437	TabWin32Handles[iIndexNewWrite].hmHandleData.hHMHandle = iIndexNewWrite;
4438	TabWin32Handles[iIndexNewWrite].pDeviceHandler = pDeviceHandler;
4439	/* call the device handler */
4440
4441	rc = pDeviceHandler->CreatePipe(&TabWin32Handles[iIndexNewRead].hmHandleData,
4442	&TabWin32Handles[iIndexNewWrite].hmHandleData,
4443	lpsa,
4444	cbPipe);
4445
4446	if (rc == 0) /* oops, creation failed within the device handler */
4447	{
4448	TabWin32Handles[iIndexNewRead].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
4449	TabWin32Handles[iIndexNewWrite].hmHandleData.hHMHandle = INVALID_HANDLE_VALUE;
4450	return FALSE; /* signal error */
4451	}
4452
4453	*phRead = iIndexNewRead;
4454	*phWrite = iIndexNewWrite;
4455
4456	return TRUE;
4457	}

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

Download in other formats: