source: trunk/src/msacm32/initterm.cpp@ 919

Last change on this file since 919 was 779, checked in by sandervl, 26 years ago

* empty log message *

File size: 4.0 KB
Line 
1/* $Id: initterm.cpp,v 1.1 1999-09-01 18:50:32 sandervl Exp $ */
2
3/*
4 * DLL entry point
5 *
6 * Copyright 1998 Sander van Leeuwen
7 * Copyright 1998 Peter Fitzsimmons
8 *
9 *
10 * Project Odin Software License can be found in LICENSE.TXT
11 *
12 */
13
14/*-------------------------------------------------------------*/
15/* INITERM.C -- Source for a custom dynamic link library */
16/* initialization and termination (_DLL_InitTerm) */
17/* function. */
18/* */
19/* When called to perform initialization, this sample function */
20/* gets storage for an array of integers, and initializes its */
21/* elements with random integers. At termination time, it */
22/* frees the array. Substitute your own special processing. */
23/*-------------------------------------------------------------*/
24
25
26/* Include files */
27#define INCL_DOSMODULEMGR
28#define INCL_DOSPROCESS
29#include <os2wrap.h> //Odin32 OS/2 api wrappers
30#include <stdlib.h>
31#include <stdio.h>
32#include <string.h>
33#include <odin.h>
34#include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
35#include <winconst.h>
36
37extern "C" {
38void CDECL _ctordtorInit( void );
39void CDECL _ctordtorTerm( void );
40}
41
42BOOL WINAPI MSACM32_LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);
43
44/*-------------------------------------------------------------------*/
45/* A clean up routine registered with DosExitList must be used if */
46/* runtime calls are required and the runtime is dynamically linked. */
47/* This will guarantee that this clean up routine is run before the */
48/* library DLL is terminated. */
49/*-------------------------------------------------------------------*/
50static void APIENTRY cleanup(ULONG reason);
51
52
53/****************************************************************************/
54/* _DLL_InitTerm is the function that gets called by the operating system */
55/* loader when it loads and frees this DLL for each process that accesses */
56/* this DLL. However, it only gets called the first time the DLL is loaded */
57/* and the last time it is freed for a particular process. The system */
58/* linkage convention MUST be used because the operating system loader is */
59/* calling this function. */
60/****************************************************************************/
61unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule, unsigned long
62 ulFlag)
63{
64 size_t i;
65 APIRET rc;
66
67 /*-------------------------------------------------------------------------*/
68 /* If ulFlag is zero then the DLL is being loaded so initialization should */
69 /* be performed. If ulFlag is 1 then the DLL is being freed so */
70 /* termination should be performed. */
71 /*-------------------------------------------------------------------------*/
72
73 switch (ulFlag) {
74 case 0 :
75 _ctordtorInit();
76
77 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
78
79 /*******************************************************************/
80 /* A DosExitList routine must be used to clean up if runtime calls */
81 /* are required and the runtime is dynamically linked. */
82 /*******************************************************************/
83
84 rc = DosExitList(0x0000F000|EXLST_ADD, cleanup);
85 if(rc)
86 return 0UL;
87
88 MSACM32_LibMain(hModule, DLL_PROCESS_ATTACH, 0);
89
90 break;
91 case 1 :
92 MSACM32_LibMain(hModule, DLL_PROCESS_DETACH, 0);
93 break;
94
95 default :
96 return 0UL;
97 }
98
99 /***********************************************************/
100 /* A non-zero value must be returned to indicate success. */
101 /***********************************************************/
102 return 1UL;
103}
104
105
106static void APIENTRY cleanup(ULONG ulReason)
107{
108 _ctordtorTerm();
109 DosExitList(EXLST_EXIT, cleanup);
110 return ;
111}
Note: See TracBrowser for help on using the repository browser.