source: trunk/src/kernel32/initkernel32.cpp@ 21626

Last change on this file since 21626 was 21626, checked in by dmik, 14 years ago

kernel32: To complete the Win32 exception chain unwind support, make sure it is unwound when the thread terminates itself with ExitThread/ExitProcess etc. before removing its exception handlers from stack.
File size: 11.8 KB
Line 
1/* $Id: initkernel32.cpp,v 1.28 2004-05-24 08:56:06 sandervl Exp $
2 *
3 * KERNEL32 DLL entry point
4 *
5 * Copyright 1998 Sander van Leeuwen
6 * Copyright 1998 Peter Fitzsimmons
7 *
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12
13/*-------------------------------------------------------------*/
14/* INITERM.C -- Source for a custom dynamic link library */
15/* initialization and termination (_DLL_InitTerm) */
16/* function. */
17/* */
18/* When called to perform initialization, this sample function */
19/* gets storage for an array of integers, and initializes its */
20/* elements with random integers. At termination time, it */
21/* frees the array. Substitute your own special processing. */
22/*-------------------------------------------------------------*/
23
24
25/* Include files */
26#define INCL_DOSMODULEMGR
27#define INCL_DOSMISC
28#define INCL_DOSPROCESS
29#define INCL_DOSSEMAPHORES
30#include <os2wrap.h> //Odin32 OS/2 api wrappers
31#include <stdlib.h>
32#include <stdio.h>
33#include <string.h>
34#include <misc.h>
35#include <wprocess.h>
36#include "handlemanager.h"
37#include "profile.h"
38#include <options.h>
39#include "initterm.h"
40#include <win32type.h>
41#include <win32api.h>
42#include <odinlx.h>
43#include "oslibmisc.h"
44#include <heapshared.h>
45#include <heapcode.h>
46#include "mmap.h"
47#include "directory.h"
48#include "hmdevio.h"
49#include "hmcomm.h"
50#include <windllbase.h>
51#include "winexepe2lx.h"
52#include <exitlist.h>
53#include "oslibdos.h"
54#include "osliblvm.h"
55#include <cpuhlp.h>
56#include <Win32k.h>
57#include <initdll.h>
58#include <codepage.h>
59#include <process.h>
60#include <stats.h>
61#include <heapshared.h>
62#include <heapstring.h>
63#include <_ras.h>
64
65#define DBG_LOCALLOG DBG_initterm
66#include "dbglocal.h"
67
68PVOID SYSTEM _O32_GetEnvironmentStrings( VOID );
69
70extern "C" {
71 //Win32 resource table (produced by wrc)
72 extern DWORD kernel32_PEResTab;
73}
74
75// borrowed from ntddk.h
76extern "C"
77void WIN32API RtlUnwind(
78 LPVOID,
79 LPVOID,
80 LPVOID,DWORD);
81
82extern PFN pfnImSetMsgQueueProperty;
83
84 ULONG flAllocMem = 0; /* flag to optimize DosAllocMem to use all the memory on SMP machines */
85 ULONG ulMaxAddr = 0x20000000; /* end of user address space. */
86 int loadNr = 0;
87 char kernel32Path[CCHMAXPATH] = "";
88static HMODULE dllHandle = 0;
89 BOOL fInit = FALSE;
90 BOOL fWin32k = FALSE;
91 HMODULE imHandle = 0;
92 char szModName[ 256 ] = "";
93
94/****************************************************************************/
95/* _DLL_InitTerm is the function that gets called by the operating system */
96/* loader when it loads and frees this DLL for each process that accesses */
97/* this DLL. However, it only gets called the first time the DLL is loaded */
98/* and the last time it is freed for a particular process. The system */
99/* linkage convention MUST be used because the operating system loader is */
100/* calling this function. */
101/****************************************************************************/
102ULONG APIENTRY inittermKernel32(ULONG hModule, ULONG ulFlag)
103{
104 size_t i;
105 APIRET rc;
106 ULONG ulSysinfo, version[2];
107
108 /*-------------------------------------------------------------------------*/
109 /* If ulFlag is zero then the DLL is being loaded so initialization should */
110 /* be performed. If ulFlag is 1 then the DLL is being freed so */
111 /* termination should be performed. */
112 /*-------------------------------------------------------------------------*/
113
114 if(fInit == TRUE && ulFlag == 0) {
115 return 1; //already initialized
116 }
117 fInit = TRUE;
118
119 switch (ulFlag)
120 {
121 case 0 :
122 {
123 // This always must be the first thing to do.
124 RasInitialize (hModule);
125#ifdef RAS
126 extern void rasInitVirtual (void);
127 rasInitVirtual ();
128#endif
129
130 ParseLogStatusKERNEL32();
131
132 /*
133 * Init the win32k library.
134 * We will also need to tell win32k where the Odin32 environment is
135 * located. Currently that is within Open32. I'm quite sure that it's
136 * not relocated during run, so we're pretty well off.
137 */
138 //Note: we do NOT want to use any win32k services with custom builds
139 if (fCustomBuild == FALSE && !libWin32kInit())
140 {
141 rc = libWin32kSetEnvironment((PSZ)_O32_GetEnvironmentStrings(), 0, 0);
142 if (rc)
143 {
144 dprintf(("KERNEL32: initterm: libWin32kSetEnvironment failed with rc=%d\n", rc));
145 }
146 else fWin32k = TRUE;
147 }
148 strcpy(kernel32Path, OSLibGetDllName(hModule));
149 char *endofpath = strrchr(kernel32Path, '\\');
150 *(endofpath+1) = 0;
151
152 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
153
154 /* knut: check for high memory support */
155 rc = DosQuerySysInfo(QSV_VIRTUALADDRESSLIMIT, QSV_VIRTUALADDRESSLIMIT, &ulSysinfo, sizeof(ulSysinfo));
156 if (rc == 0 && ulSysinfo > 512) //VirtualAddresslimit is in MB
157 {
158 flAllocMem = PAG_ANY; // high memory support. Let's use it!
159 ulMaxAddr = ulSysinfo * (1024*1024);
160 }
161 else
162 flAllocMem = 0; // no high memory support
163
164 dprintf(("kernel32 init %s %s (%x) Win32k - %s", __DATE__, __TIME__, inittermKernel32,
165 libWin32kInstalled() ? "Installed" : "Not Installed"));
166
167 OpenPrivateLogFiles();
168
169 //SvL: Do it here instead of during the exe object creation
170 //(std handles can be used in win32 dll initialization routines
171 HMInitialize(); /* store standard handles within HandleManager */
172
173 // VP: Shared heap should be initialized before call to PROFILE_*
174 // because they use a critical section which in turn uses smalloc
175 // in debug build
176 if (InitializeSharedHeap() == FALSE)
177 return 0UL;
178
179 // VP: initialize profile internal data (critical section actually).
180 // This was done in PROFILE_LoadOdinIni but PROFILE_GetOdinIniInt
181 // is called earlier and this lead to a handle leak.
182 PROFILE_Initialize();
183
184 if(flAllocMem == PAG_ANY) {
185 OSLibInitWSeBFileIO();
186 if (PROFILE_GetOdinIniInt(ODINSYSTEM_SECTION, HIGHMEM_KEY, 1) == 0) {
187 dprintf(("WARNING: OS/2 kernel supports high memory, but support is DISABLED because of HIGHMEM odin.ini key"));
188 flAllocMem = 0;
189 }
190 }
191
192 if (InitializeCodeHeap() == FALSE)
193 return 0UL;
194
195 InitializeMemMaps();
196
197 PROFILE_LoadOdinIni();
198 dllHandle = RegisterLxDll(hModule, 0, (PVOID)&kernel32_PEResTab);
199 if (dllHandle == 0)
200 return 0UL;
201
202 //SvL: Kernel32 is a special case; pe.exe loads it, so increase
203 // the reference count here
204 Win32DllBase *module = Win32DllBase::findModule(dllHandle);
205 if (module)
206 {
207 module->AddRef();
208 module->DisableUnload();
209 }
210
211 OSLibDosSetInitialMaxFileHandles(ODIN_DEFAULT_MAX_FILEHANDLES);
212
213
214#ifdef DEBUG
215 {
216 LPSTR WIN32API GetEnvironmentStringsA();
217
218 char *tmpenvnew = GetEnvironmentStringsA();
219 dprintf(("Environment:"));
220 while(*tmpenvnew) {
221 dprintf(("%s", tmpenvnew));
222 tmpenvnew += strlen(tmpenvnew)+1;
223 }
224 }
225#endif
226
227 InitDirectories(); //Must be done before InitializeTIB (which loads NTDLL -> USER32)
228 InitializeMainThread(); //Must be done after HMInitialize!
229 RegisterDevices();
230 Win32DllBase::setDefaultRenaming();
231 rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &ulSysinfo, sizeof(ulSysinfo));
232 if (rc != 0)
233 ulSysinfo = 1;
234
235 /* Setup codepage info */
236 CODEPAGE_Init();
237
238 if( IsDBCSEnv() && DosLoadModule( szModName, sizeof( szModName ), "OS2IM", &imHandle ) == 0 )
239 DosQueryProcAddr( imHandle, 140, NULL, &pfnImSetMsgQueueProperty );
240
241 InitSystemInfo(ulSysinfo);
242 //Set up environment as found in NT
243 InitEnvironment(ulSysinfo);
244
245 //InitDynamicRegistry creates/changes keys that may change (i.e. odin.ini
246 //keys that affect windows version)
247 InitDynamicRegistry();
248
249 //Set the process affinity mask to the system affinity mask
250 DWORD dwProcessAffinityMask, dwSystemAffinityMask;
251 GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
252 SetProcessAffinityMask(GetCurrentProcess(), dwSystemAffinityMask);
253
254 //Set default paths for PE & NE loaders
255 InitLoaders();
256
257 RasEntry (RAS_EVENT_Kernel32InitComplete, &dllHandle, sizeof (dllHandle));
258
259 break;
260 }
261
262 case 1 :
263 if (dllHandle)
264 {
265 UnregisterLxDll(dllHandle);
266 }
267 break;
268
269 default :
270 return 0UL;
271 }
272
273 /***********************************************************/
274 /* A non-zero value must be returned to indicate success. */
275 /***********************************************************/
276 return 1UL;
277}
278//******************************************************************************
279//******************************************************************************
280void APIENTRY cleanupKernel32(ULONG ulReason)
281{
282 dprintf(("kernel32 exit %d\n", ulReason));
283
284 TEB *teb = GetThreadTEB();
285
286 if (teb)
287 {
288 // make sure the Win32 exception stack (if there is still any) is unwound
289 // before we destroy internal structures including the Win32 TEB
290 RtlUnwind(NULL, 0, 0, 0);
291 }
292
293 if( IsDBCSEnv() && imHandle )
294 DosFreeModule( imHandle );
295
296 //Flush and delete all open memory mapped files
297 Win32MemMap::deleteAll();
298 WinExe = NULL;
299
300 FinalizeMemMaps();
301
302 WriteOutProfiles();
303 //Unload LVM subsystem for volume/mountpoint win32 functions
304 OSLibLVMExit();
305
306 if(teb) DestroyTEB(teb);
307 DestroySharedHeap();
308 DestroyCodeHeap();
309
310 HMTerminate(); /* shutdown handlemanager */
311
312#ifdef DEBUG
313 extern void printCriticalSectionStatistic (void);
314 printCriticalSectionStatistic ();
315#endif
316
317#if defined(DEBUG) && defined(__IBMCPP__) && __IBMCPP__ == 300
318 ULONG totalmemalloc, nrcalls_malloc, nrcalls_free;
319
320 getcrtstat(&nrcalls_malloc, &nrcalls_free, &totalmemalloc);
321 dprintf(("************* KERNEL32 STATISTICS BEGIN *****************"));
322 dprintf(("Total nr of malloc calls %d", nrcalls_malloc));
323 dprintf(("Total nr of free calls %d", nrcalls_free));
324 dprintf(("Leaked memory: %d bytes", totalmemalloc));
325 dprintf(("************* KERNEL32 STATISTICS END *****************"));
326
327 //SvL: This can cause an exitlist hang; disabled for now
328//// _dump_allocated(0);
329#endif
330
331 //NOTE: Must be done after DestroyTIB
332 ClosePrivateLogFiles();
333
334#ifndef DEBUG
335 //if we do a dump of the shared heap, then we'll need the logging facility
336 //for a little while longer
337 CloseLogFile();
338#endif
339
340 /*
341 * Terminate win32k library.
342 */
343 libWin32kSetEnvironment(NULL, 0, 0);
344 libWin32kTerm();
345
346 RasUninitialize ();
347
348 return ;
349}
350//******************************************************************************
351//******************************************************************************
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