source: trunk/src/lz32/initterm.cpp@ 542

Last change on this file since 542 was 542, checked in by sandervl, 26 years ago

Put back version checks in most dlls
File size: 3.7 KB
Line 
1/* $Id: initterm.cpp,v 1.5 1999-08-18 08:58:22 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
36/*-------------------------------------------------------------------*/
37/* A clean up routine registered with DosExitList must be used if */
38/* runtime calls are required and the runtime is dynamically linked. */
39/* This will guarantee that this clean up routine is run before the */
40/* library DLL is terminated. */
41/*-------------------------------------------------------------------*/
42static void APIENTRY cleanup(ULONG reason);
43
44
45/****************************************************************************/
46/* _DLL_InitTerm is the function that gets called by the operating system */
47/* loader when it loads and frees this DLL for each process that accesses */
48/* this DLL. However, it only gets called the first time the DLL is loaded */
49/* and the last time it is freed for a particular process. The system */
50/* linkage convention MUST be used because the operating system loader is */
51/* calling this function. */
52/****************************************************************************/
53unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule,
54 unsigned long ulFlag)
55{
56 APIRET rc;
57
58 /*-------------------------------------------------------------------------*/
59 /* If ulFlag is zero then the DLL is being loaded so initialization should */
60 /* be performed. If ulFlag is 1 then the DLL is being freed so */
61 /* termination should be performed. */
62 /*-------------------------------------------------------------------------*/
63
64 switch (ulFlag) {
65 case 0 :
66
67 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
68
69 /*******************************************************************/
70 /* A DosExitList routine must be used to clean up if runtime calls */
71 /* are required and the runtime is dynamically linked. */
72 /*******************************************************************/
73
74 rc = DosExitList(0x0000F000|EXLST_ADD, cleanup);
75 if(rc)
76 return 0UL;
77
78 break;
79 case 1 :
80 break;
81 default :
82 return 0UL;
83 }
84
85 /***********************************************************/
86 /* A non-zero value must be returned to indicate success. */
87 /***********************************************************/
88 return 1UL;
89}
90
91
92static void APIENTRY cleanup(ULONG ulReason)
93{
94 DosExitList(EXLST_EXIT, cleanup);
95 return ;
96}
Note: See TracBrowser for help on using the repository browser.