source: trunk/src/kernel32/initkernel32.cpp@ 10528

Last change on this file since 10528 was 10528, checked in by sandervl, 21 years ago

init update
File size: 10.5 KB
Line 
1/* $Id: initkernel32.cpp,v 1.27 2004-03-16 13:34:23 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
63#define DBG_LOCALLOG DBG_initterm
64#include "dbglocal.h"
65
66PVOID SYSTEM _O32_GetEnvironmentStrings( VOID );
67
68extern "C" {
69 //Win32 resource table (produced by wrc)
70 extern DWORD kernel32_PEResTab;
71}
72
73 ULONG flAllocMem = 0; /* flag to optimize DosAllocMem to use all the memory on SMP machines */
74 ULONG ulMaxAddr = 0x20000000; /* end of user address space. */
75 int loadNr = 0;
76 char kernel32Path[CCHMAXPATH] = "";
77static HMODULE dllHandle = 0;
78 BOOL fInit = FALSE;
79 BOOL fWin32k = FALSE;
80
81/****************************************************************************/
82/* _DLL_InitTerm is the function that gets called by the operating system */
83/* loader when it loads and frees this DLL for each process that accesses */
84/* this DLL. However, it only gets called the first time the DLL is loaded */
85/* and the last time it is freed for a particular process. The system */
86/* linkage convention MUST be used because the operating system loader is */
87/* calling this function. */
88/****************************************************************************/
89ULONG APIENTRY inittermKernel32(ULONG hModule, ULONG ulFlag)
90{
91 size_t i;
92 APIRET rc;
93 ULONG ulSysinfo, version[2];
94
95 /*-------------------------------------------------------------------------*/
96 /* If ulFlag is zero then the DLL is being loaded so initialization should */
97 /* be performed. If ulFlag is 1 then the DLL is being freed so */
98 /* termination should be performed. */
99 /*-------------------------------------------------------------------------*/
100
101 if(fInit == TRUE && ulFlag == 0) {
102 return 1; //already initialized
103 }
104 fInit = TRUE;
105
106 switch (ulFlag)
107 {
108 case 0 :
109 {
110 ParseLogStatusKERNEL32();
111
112 /*
113 * Init the win32k library.
114 * We will also need to tell win32k where the Odin32 environment is
115 * located. Currently that is within Open32. I'm quite sure that it's
116 * not relocated during run, so we're pretty well off.
117 */
118 //Note: we do NOT want to use any win32k services with custom builds
119 if (fCustomBuild == FALSE && !libWin32kInit())
120 {
121 rc = libWin32kSetEnvironment((PSZ)_O32_GetEnvironmentStrings(), 0, 0);
122 if (rc)
123 {
124 dprintf(("KERNEL32: initterm: libWin32kSetEnvironment failed with rc=%d\n", rc));
125 }
126 else fWin32k = TRUE;
127 }
128 strcpy(kernel32Path, OSLibGetDllName(hModule));
129 char *endofpath = strrchr(kernel32Path, '\\');
130 *(endofpath+1) = 0;
131
132 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
133
134 /* knut: check for high memory support */
135 rc = DosQuerySysInfo(QSV_VIRTUALADDRESSLIMIT, QSV_VIRTUALADDRESSLIMIT, &ulSysinfo, sizeof(ulSysinfo));
136 if (rc == 0 && ulSysinfo > 512) //VirtualAddresslimit is in MB
137 {
138 flAllocMem = PAG_ANY; // high memory support. Let's use it!
139 ulMaxAddr = ulSysinfo * (1024*1024);
140 }
141 else
142 flAllocMem = 0; // no high memory support
143
144 dprintf(("kernel32 init %s %s (%x) Win32k - %s", __DATE__, __TIME__, inittermKernel32,
145 libWin32kInstalled() ? "Installed" : "Not Installed"));
146
147 OpenPrivateLogFiles();
148
149 //SvL: Do it here instead of during the exe object creation
150 //(std handles can be used in win32 dll initialization routines
151 HMInitialize(); /* store standard handles within HandleManager */
152
153 // VP: Shared heap should be initialized before call to PROFILE_*
154 // because they use a critical section which in turn uses smalloc
155 // in debug build
156 if (InitializeSharedHeap() == FALSE)
157 return 0UL;
158
159 // VP: initialize profile internal data (critical section actually).
160 // This was done in PROFILE_LoadOdinIni but PROFILE_GetOdinIniInt
161 // is called earlier and this lead to a handle leak.
162 PROFILE_Initialize();
163
164 if(flAllocMem == PAG_ANY) {
165 OSLibInitWSeBFileIO();
166 if (PROFILE_GetOdinIniInt(ODINSYSTEM_SECTION, HIGHMEM_KEY, 1) == 0) {
167 dprintf(("WARNING: OS/2 kernel supports high memory, but support is DISABLED because of HIGHMEM odin.ini key"));
168 flAllocMem = 0;
169 }
170 }
171
172 if (InitializeCodeHeap() == FALSE)
173 return 0UL;
174
175 InitializeMemMaps();
176
177 PROFILE_LoadOdinIni();
178 dllHandle = RegisterLxDll(hModule, 0, (PVOID)&kernel32_PEResTab);
179 if (dllHandle == 0)
180 return 0UL;
181
182 //SvL: Kernel32 is a special case; pe.exe loads it, so increase
183 // the reference count here
184 Win32DllBase *module = Win32DllBase::findModule(dllHandle);
185 if (module)
186 {
187 module->AddRef();
188 module->DisableUnload();
189 }
190
191 OSLibDosSetInitialMaxFileHandles(ODIN_DEFAULT_MAX_FILEHANDLES);
192
193
194#ifdef DEBUG
195 {
196 LPSTR WIN32API GetEnvironmentStringsA();
197
198 char *tmpenvnew = GetEnvironmentStringsA();
199 dprintf(("Environment:"));
200 while(*tmpenvnew) {
201 dprintf(("%s", tmpenvnew));
202 tmpenvnew += strlen(tmpenvnew)+1;
203 }
204 }
205#endif
206
207 InitDirectories(); //Must be done before InitializeTIB (which loads NTDLL -> USER32)
208 InitializeMainThread(); //Must be done after HMInitialize!
209 RegisterDevices();
210 Win32DllBase::setDefaultRenaming();
211 rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &ulSysinfo, sizeof(ulSysinfo));
212 if (rc != 0)
213 ulSysinfo = 1;
214
215 /* Setup codepage info */
216 CODEPAGE_Init();
217
218 InitSystemInfo(ulSysinfo);
219 //Set up environment as found in NT
220 InitEnvironment(ulSysinfo);
221
222 //InitDynamicRegistry creates/changes keys that may change (i.e. odin.ini
223 //keys that affect windows version)
224 InitDynamicRegistry();
225
226 //Set the process affinity mask to the system affinity mask
227 DWORD dwProcessAffinityMask, dwSystemAffinityMask;
228 GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
229 SetProcessAffinityMask(GetCurrentProcess(), dwSystemAffinityMask);
230
231 //Set default paths for PE & NE loaders
232 InitLoaders();
233 break;
234 }
235
236 case 1 :
237 if (dllHandle)
238 {
239 UnregisterLxDll(dllHandle);
240 }
241 break;
242
243 default :
244 return 0UL;
245 }
246
247 /***********************************************************/
248 /* A non-zero value must be returned to indicate success. */
249 /***********************************************************/
250 return 1UL;
251}
252//******************************************************************************
253//******************************************************************************
254void APIENTRY cleanupKernel32(ULONG ulReason)
255{
256 dprintf(("kernel32 exit %d\n", ulReason));
257
258 //Flush and delete all open memory mapped files
259 Win32MemMap::deleteAll();
260 WinExe = NULL;
261
262 WriteOutProfiles();
263 //Unload LVM subsystem for volume/mountpoint win32 functions
264 OSLibLVMExit();
265
266 TEB *teb = GetThreadTEB();
267 if(teb) DestroyTEB(teb);
268 DestroySharedHeap();
269 DestroyCodeHeap();
270
271 HMTerminate(); /* shutdown handlemanager */
272
273#if defined(DEBUG) && defined(__IBMCPP__) && __IBMCPP__ == 300
274 ULONG totalmemalloc, nrcalls_malloc, nrcalls_free;
275
276 getcrtstat(&nrcalls_malloc, &nrcalls_free, &totalmemalloc);
277 dprintf(("************* KERNEL32 STATISTICS BEGIN *****************"));
278 dprintf(("Total nr of malloc calls %d", nrcalls_malloc));
279 dprintf(("Total nr of free calls %d", nrcalls_free));
280 dprintf(("Leaked memory: %d bytes", totalmemalloc));
281 dprintf(("************* KERNEL32 STATISTICS END *****************"));
282
283 //SvL: This can cause an exitlist hang; disabled for now
284//// _dump_allocated(0);
285#endif
286
287 //NOTE: Must be done after DestroyTIB
288 ClosePrivateLogFiles();
289 CloseLogFile();
290
291 /*
292 * Terminate win32k library.
293 */
294 libWin32kSetEnvironment(NULL, 0, 0);
295 libWin32kTerm();
296 return ;
297}
298//******************************************************************************
299//******************************************************************************
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