source: trunk/src/msvcrt/initterm.cpp@ 2252

Last change on this file since 2252 was 2252, checked in by sandervl, 26 years ago

Added version resources
File size: 4.0 KB
Line 
1/* $Id: initterm.cpp,v 1.2 1999-12-29 18:49:01 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 <win32type.h>
35#include <odinlx.h>
36#include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
37
38extern "C" {
39void CDECL _ctordtorInit( void );
40void CDECL _ctordtorTerm( void );
41
42 //Win32 resource table (produced by wrc)
43 extern DWORD _Resource_PEResTab;
44}
45
46/*-------------------------------------------------------------------*/
47/* A clean up routine registered with DosExitList must be used if */
48/* runtime calls are required and the runtime is dynamically linked. */
49/* This will guarantee that this clean up routine is run before the */
50/* library DLL is terminated. */
51/*-------------------------------------------------------------------*/
52static void APIENTRY cleanup(ULONG reason);
53
54
55/****************************************************************************/
56/* _DLL_InitTerm is the function that gets called by the operating system */
57/* loader when it loads and frees this DLL for each process that accesses */
58/* this DLL. However, it only gets called the first time the DLL is loaded */
59/* and the last time it is freed for a particular process. The system */
60/* linkage convention MUST be used because the operating system loader is */
61/* calling this function. */
62/****************************************************************************/
63unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule, unsigned long
64 ulFlag)
65{
66 size_t i;
67 APIRET rc;
68
69 /*-------------------------------------------------------------------------*/
70 /* If ulFlag is zero then the DLL is being loaded so initialization should */
71 /* be performed. If ulFlag is 1 then the DLL is being freed so */
72 /* termination should be performed. */
73 /*-------------------------------------------------------------------------*/
74
75 switch (ulFlag) {
76 case 0 :
77 _ctordtorInit();
78
79 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
80
81 /*******************************************************************/
82 /* A DosExitList routine must be used to clean up if runtime calls */
83 /* are required and the runtime is dynamically linked. */
84 /*******************************************************************/
85
86 if(RegisterLxDll(hModule, 0, (PVOID)&_Resource_PEResTab) == FALSE)
87 return 0UL;
88
89 rc = DosExitList(0x0000F000|EXLST_ADD, cleanup);
90 if(rc)
91 return 0UL;
92
93 break;
94 case 1 :
95 UnregisterLxDll(hModule);
96 break;
97 default :
98 return 0UL;
99 }
100
101 /***********************************************************/
102 /* A non-zero value must be returned to indicate success. */
103 /***********************************************************/
104 return 1UL;
105}
106
107
108static void APIENTRY cleanup(ULONG ulReason)
109{
110 _ctordtorTerm();
111 DosExitList(EXLST_EXIT, cleanup);
112 return ;
113}
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