source: trunk/src/rsaenh/initrsaenh.cpp@ 21649

Last change on this file since 21649 was 21649, checked in by dmik, 14 years ago

general: Exit gracefully instead of crashing if KERNEL32.DLL initialization fails. Note that "gracefully" means "silently" in this case since it seems that the only way how the OS/2 loader reports a failure to initialize a required DLL for a started EXE is by returning a non-zero exit code.

File size: 4.0 KB
Line 
1/* $Id: initgdi32.cpp,v 1.16 2004/01/11 11:42:17 sandervl Exp $
2 *
3 * 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_DOSPROCESS
28#include <os2wrap.h> //Odin32 OS/2 api wrappers
29#include <stdlib.h>
30#include <stdio.h>
31#include <string.h>
32#include <odin.h>
33#include <win32api.h>
34#include <winconst.h>
35#include <odinlx.h>
36#include <cpuhlp.h>
37#include <dbglog.h>
38#include <initdll.h>
39
40extern "C" {
41 //Win32 resource table (produced by wrc)
42 //extern DWORD rsaenh_PEResTab;
43 BOOL WINAPI RsaenhDllMain(HINSTANCE hInst, DWORD fdwReason, PVOID pvReserved);
44}
45
46static HMODULE dllHandle = 0;
47
48static BOOL WINAPI OdinLibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
49{
50 BOOL ret;
51
52 switch (fdwReason)
53 {
54 case DLL_PROCESS_ATTACH:
55 return RsaenhDllMain(hinstDLL, fdwReason, fImpLoad);
56
57 case DLL_THREAD_ATTACH:
58 case DLL_THREAD_DETACH:
59 return RsaenhDllMain(hinstDLL, fdwReason, fImpLoad);
60
61 case DLL_PROCESS_DETACH:
62 ret = RsaenhDllMain(hinstDLL, fdwReason, fImpLoad);
63 return ret;
64 }
65 return FALSE;
66}
67
68/****************************************************************************/
69/* _DLL_InitTerm is the function that gets called by the operating system */
70/* loader when it loads and frees this DLL for each process that accesses */
71/* this DLL. However, it only gets called the first time the DLL is loaded */
72/* and the last time it is freed for a particular process. The system */
73/* linkage convention MUST be used because the operating system loader is */
74/* calling this function. */
75/****************************************************************************/
76ULONG APIENTRY inittermRsaenh(ULONG hModule, ULONG ulFlag)
77{
78 size_t i;
79 APIRET rc;
80
81 /*-------------------------------------------------------------------------*/
82 /* If ulFlag is zero then the DLL is being loaded so initialization should */
83 /* be performed. If ulFlag is 1 then the DLL is being freed so */
84 /* termination should be performed. */
85 /*-------------------------------------------------------------------------*/
86
87 switch (ulFlag) {
88 case 0 :
89
90 if (InitializeKernel32() == 0)
91 return 0;
92
93 //CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
94 dllHandle = RegisterLxDll(hModule, OdinLibMain, NULL);
95 if(dllHandle == 0)
96 return 0UL;
97
98 dprintf(("Rsaenh init %s %s (%x)", __DATE__, __TIME__, inittermRsaenh));
99
100 break;
101 case 1 :
102 if(dllHandle) {
103 UnregisterLxDll(dllHandle);
104 }
105 break;
106 default :
107 return 0UL;
108 }
109
110 /***********************************************************/
111 /* A non-zero value must be returned to indicate success. */
112 /***********************************************************/
113 return 1UL;
114}
115//******************************************************************************
116//******************************************************************************
Note: See TracBrowser for help on using the repository browser.