source: trunk/src/ddraw/initterm.cpp@ 8656

Last change on this file since 8656 was 6646, checked in by bird, 24 years ago

Added $Id:$ keyword.
File size: 4.7 KB
Line 
1/* $Id: initterm.cpp,v 1.19 2001-09-05 12:50:39 bird 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 <win32type.h>
34#include <winconst.h>
35#include <odinlx.h>
36#include <exitlist.h>
37#include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
38#include <initdll.h>
39#include "os2fsdd.h" // For RestorePM()
40
41
42extern "C" {
43 //Win32 resource table (produced by wrc)
44 extern DWORD _Resource_PEResTab;
45}
46
47char ddrawPath[CCHMAXPATH] = "";
48static HMODULE dllHandle = 0;
49
50static void APIENTRY cleanup(ULONG ulReason);
51
52//******************************************************************************
53//******************************************************************************
54BOOL WINAPI LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
55{
56 switch (fdwReason)
57 {
58 case DLL_PROCESS_ATTACH:
59 return TRUE;
60
61 case DLL_THREAD_ATTACH:
62 case DLL_THREAD_DETACH:
63 return TRUE;
64
65 case DLL_PROCESS_DETACH:
66#ifdef __IBMCPP__
67 ctordtorTerm();
68#endif
69 return TRUE;
70 }
71 return FALSE;
72}
73/****************************************************************************/
74/* _DLL_InitTerm is the function that gets called by the operating system */
75/* loader when it loads and frees this DLL for each process that accesses */
76/* this DLL. However, it only gets called the first time the DLL is loaded */
77/* and the last time it is freed for a particular process. The system */
78/* linkage convention MUST be used because the operating system loader is */
79/* calling this function. */
80/****************************************************************************/
81unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule, unsigned long
82 ulFlag)
83{
84
85 /*-------------------------------------------------------------------------*/
86 /* If ulFlag is zero then the DLL is being loaded so initialization should */
87 /* be performed. If ulFlag is 1 then the DLL is being freed so */
88 /* termination should be performed. */
89 /*-------------------------------------------------------------------------*/
90
91 switch (ulFlag) {
92 case 0 :
93 {
94 APIRET rc;
95
96#ifdef __IBMCPP__
97 ctordtorInit();
98#endif
99 DosQueryModuleName(hModule, CCHMAXPATH, ddrawPath);
100 char *endofpath = strrchr(ddrawPath, '\\');
101 if (endofpath)
102 *(endofpath+1) = '\0';
103
104 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
105
106 dllHandle = RegisterLxDll(hModule, LibMain, (PVOID)&_Resource_PEResTab,
107 DDRAW_MAJORIMAGE_VERSION, DDRAW_MINORIMAGE_VERSION,
108 IMAGE_SUBSYSTEM_WINDOWS_GUI);
109 if (dllHandle == 0)
110 return 0UL;
111
112 rc = DosExitList(EXITLIST_NONCOREDLL | EXLST_ADD, cleanup);
113 if (rc)
114 return 0UL;
115
116 break;
117 }
118 case 1 :
119 if(dllHandle) {
120 UnregisterLxDll(dllHandle);
121 }
122 break;
123 default :
124 return 0UL;
125 }
126
127 /***********************************************************/
128 /* A non-zero value must be returned to indicate success. */
129 /***********************************************************/
130 return 1UL;
131}
132//******************************************************************************
133//******************************************************************************
134
135static void APIENTRY cleanup(ULONG ulReason)
136{
137 dprintf(("DDRAW processing exitlist"));
138 RestorePM();
139 dprintf(("DDRAW exitlist done"));
140
141 DosExitList(EXLST_EXIT, cleanup);
142}
143//******************************************************************************
144//******************************************************************************
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