source: trunk/src/kernel32/initkernel32.cpp@ 8397

Last change on this file since 8397 was 8397, checked in by sandervl, 23 years ago

volume api updates (LVM)
File size: 9.2 KB
Line 
1/* $Id: initkernel32.cpp,v 1.17 2002-05-09 13:55:33 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
62#define DBG_LOCALLOG DBG_initterm
63#include "dbglocal.h"
64
65PVOID SYSTEM _O32_GetEnvironmentStrings( VOID );
66
67extern "C" {
68 //Win32 resource table (produced by wrc)
69 extern DWORD kernel32_PEResTab;
70}
71
72 ULONG flAllocMem = 0; /* flag to optimize DosAllocMem to use all the memory on SMP machines */
73 ULONG ulMaxAddr = 0x20000000; /* end of user address space. */
74 int loadNr = 0;
75 char kernel32Path[CCHMAXPATH] = "";
76static HMODULE dllHandle = 0;
77 BOOL fInit = FALSE;
78
79/****************************************************************************/
80/* _DLL_InitTerm is the function that gets called by the operating system */
81/* loader when it loads and frees this DLL for each process that accesses */
82/* this DLL. However, it only gets called the first time the DLL is loaded */
83/* and the last time it is freed for a particular process. The system */
84/* linkage convention MUST be used because the operating system loader is */
85/* calling this function. */
86/****************************************************************************/
87ULONG APIENTRY inittermKernel32(ULONG hModule, ULONG ulFlag)
88{
89 size_t i;
90 APIRET rc;
91 ULONG ulSysinfo, version[2];
92
93 /*-------------------------------------------------------------------------*/
94 /* If ulFlag is zero then the DLL is being loaded so initialization should */
95 /* be performed. If ulFlag is 1 then the DLL is being freed so */
96 /* termination should be performed. */
97 /*-------------------------------------------------------------------------*/
98
99 if(fInit == TRUE && ulFlag == 0) {
100 return 1; //already initialized
101 }
102 fInit = TRUE;
103
104 switch (ulFlag)
105 {
106 case 0 :
107 {
108 ParseLogStatusKERNEL32();
109
110 /*
111 * Init the win32k library.
112 * We will also need to tell win32k where the Odin32 environment is
113 * located. Currently that is within Open32. I'm quite sure that it's
114 * not relocated during run, so we're pretty well off.
115 */
116 if (!libWin32kInit())
117 {
118 rc = libWin32kSetEnvironment((PSZ)_O32_GetEnvironmentStrings(), 0, 0);
119 if (rc)
120 {
121 dprintf(("KERNEL32: initterm: libWin32kSetEnvironment failed with rc=%d\n", rc));
122 }
123 }
124
125 strcpy(kernel32Path, OSLibGetDllName(hModule));
126 char *endofpath = strrchr(kernel32Path, '\\');
127 *(endofpath+1) = 0;
128 dprintf(("kernel32 init %s %s (%x) Win32k - %s", __DATE__, __TIME__, inittermKernel32,
129 libWin32kInstalled() ? "Installed" : "Not Installed"));
130
131 OpenPrivateLogFiles();
132
133 if (InitializeSharedHeap() == FALSE)
134 return 0UL;
135
136 if (InitializeCodeHeap() == FALSE)
137 return 0UL;
138
139 InitializeMemMaps();
140
141 PROFILE_LoadOdinIni();
142 dllHandle = RegisterLxDll(hModule, 0, (PVOID)&kernel32_PEResTab);
143 if (dllHandle == 0)
144 return 0UL;
145
146 //SvL: Kernel32 is a special case; pe.exe loads it, so increase
147 // the reference count here
148 Win32DllBase *module = Win32DllBase::findModule(dllHandle);
149 if (module)
150 {
151 module->AddRef();
152 module->DisableUnload();
153 }
154
155 /* knut: check for high memory support */
156 rc = DosQuerySysInfo(QSV_VIRTUALADDRESSLIMIT, QSV_VIRTUALADDRESSLIMIT, &ulSysinfo, sizeof(ulSysinfo));
157 if (rc == 0 && ulSysinfo > 512) //VirtualAddresslimit is in MB
158 {
159 flAllocMem = PAG_ANY; // high memory support. Let's use it!
160 ulMaxAddr = ulSysinfo * (1024*1024);
161 OSLibInitWSeBFileIO();
162 if (PROFILE_GetOdinIniInt(ODINSYSTEM_SECTION, HIGHMEM_KEY, 1) == 0) {
163 dprintf(("WARNING: OS/2 kernel supports high memory, but support is DISABLED because of HIGHMEM odin.ini key"));
164 flAllocMem = 0;
165 }
166 }
167 else
168 flAllocMem = 0; // no high memory support
169
170 OSLibDosSetInitialMaxFileHandles(ODIN_DEFAULT_MAX_FILEHANDLES);
171
172 //SvL: Do it here instead of during the exe object creation
173 //(std handles can be used in win32 dll initialization routines
174 HMInitialize(); /* store standard handles within HandleManager */
175 InitDirectories(); //Must be done before InitializeTIB (which loads NTDLL -> USER32)
176 InitializeTIB(TRUE); //Must be done after HMInitialize!
177 RegisterDevices();
178 Win32DllBase::setDefaultRenaming();
179 rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &ulSysinfo, sizeof(ulSysinfo));
180 if (rc != 0)
181 ulSysinfo = 1;
182
183 /* Setup codepage info */
184 CODEPAGE_Init();
185
186 InitSystemInfo(ulSysinfo);
187 //Set up environment as found in NT
188 InitEnvironment(ulSysinfo);
189
190 //InitDynamicRegistry creates/changes keys that may change (i.e. odin.ini
191 //keys that affect windows version)
192 InitDynamicRegistry();
193
194 //Load LVM subsystem for volume/mountpoint win32 functions
195 OSLibLVMInit();
196
197 //Set the process affinity mask to the system affinity mask
198 DWORD dwProcessAffinityMask, dwSystemAffinityMask;
199 GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
200 SetProcessAffinityMask(GetCurrentProcess(), dwSystemAffinityMask);
201 break;
202 }
203
204 case 1 :
205 if (dllHandle)
206 {
207 UnregisterLxDll(dllHandle);
208 }
209 break;
210
211 default :
212 return 0UL;
213 }
214
215 /***********************************************************/
216 /* A non-zero value must be returned to indicate success. */
217 /***********************************************************/
218 return 1UL;
219}
220
221
222void APIENTRY cleanupKernel32(ULONG ulReason)
223{
224 dprintf(("kernel32 exit %d\n", ulReason));
225
226 //Flush and delete all open memory mapped files
227 Win32MemMap::deleteAll();
228 WinExe = NULL;
229
230 WriteOutProfiles();
231 //Unload LVM subsystem for volume/mountpoint win32 functions
232 OSLibLVMExit();
233
234 DestroyTIB();
235 DestroySharedHeap();
236 DestroyCodeHeap();
237
238 HMTerminate(); /* shutdown handlemanager */
239
240#if defined(DEBUG) && defined(__IBMCPP__) && __IBMCPP__ == 300
241 ULONG totalmemalloc, nrcalls_malloc, nrcalls_free;
242
243 getcrtstat(&nrcalls_malloc, &nrcalls_free, &totalmemalloc);
244 dprintf(("************* KERNEL32 STATISTICS BEGIN *****************"));
245 dprintf(("Total nr of malloc calls %d", nrcalls_malloc));
246 dprintf(("Total nr of free calls %d", nrcalls_free));
247 dprintf(("Leaked memory: %d bytes", totalmemalloc));
248 dprintf(("************* KERNEL32 STATISTICS END *****************"));
249
250 //SvL: This can cause an exitlist hang; disabled for now
251//// _dump_allocated(0);
252#endif
253
254 //NOTE: Must be done after DestroyTIB
255 ClosePrivateLogFiles();
256 CloseLogFile();
257
258 /*
259 * Terminate win32k library.
260 */
261 libWin32kSetEnvironment(NULL, 0, 0);
262 libWin32kTerm();
263 return ;
264}
265//******************************************************************************
266//******************************************************************************
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