source: trunk/src/NTDLL/initntdll.c@ 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: 2.9 KB
Line 
1/*
2 * DLL entry point
3 *
4 * Copyright 1998 Sander van Leeuwen
5 * Copyright 1998 Peter Fitzsimmons
6 *
7 *
8 * Project Odin Software License can be found in LICENSE.TXT
9 *
10 */
11
12/*-------------------------------------------------------------*/
13/* INITERM.C -- Source for a custom dynamic link library */
14/* initialization and termination (_DLL_InitTerm) */
15/* function. */
16/* */
17/* When called to perform initialization, this sample function */
18/* gets storage for an array of integers, and initializes its */
19/* elements with random integers. At termination time, it */
20/* frees the array. Substitute your own special processing. */
21/*-------------------------------------------------------------*/
22
23
24/* Include files */
25#include <os2.h> //Odin32 OS/2 api wrappers
26#include <win32type.h>
27#include <stdlib.h>
28#include <stdio.h>
29#include <string.h>
30#include <odin.h>
31#include <odinlx.h>
32#include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
33#include <initdll.h>
34#include <exitlist.h>
35
36
37BOOL WIN32API NTDLL_LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);
38extern DWORD ntdll_PEResTab;
39
40static HMODULE dllHandle = 0;
41
42//******************************************************************************
43//******************************************************************************
44ULONG APIENTRY inittermNTDLL(ULONG hModule, ULONG ulFlag)
45{
46 /*-------------------------------------------------------------------------*/
47 /* If ulFlag is zero then the DLL is being loaded so initialization should */
48 /* be performed. If ulFlag is 1 then the DLL is being freed so */
49 /* termination should be performed. */
50 /*-------------------------------------------------------------------------*/
51
52 switch (ulFlag) {
53 case 0 :
54
55 //Initialize kernel32 first (circular dependency between kernel32 & ntdll)
56 if (InitializeKernel32() == 0)
57 return 0;
58
59 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
60 dllHandle = RegisterLxDll(hModule, (WIN32DLLENTRY)NTDLL_LibMain, (PVOID)&ntdll_PEResTab,
61 0, 0, 0);
62 if(dllHandle == 0)
63 return 0UL;
64
65 dprintf(("ntdll init %s %s (%x)", __DATE__, __TIME__, inittermNTDLL));
66 break;
67 case 1 :
68 if(dllHandle) {
69 UnregisterLxDll(dllHandle);
70 }
71 break;
72 default :
73 return 0UL;
74 }
75
76 /***********************************************************/
77 /* A non-zero value must be returned to indicate success. */
78 /***********************************************************/
79 return 1UL;
80}
81//******************************************************************************
82//******************************************************************************
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