source: trunk/src/advapi32/initterm.c@ 4

Last change on this file since 4 was 4, checked in by ktk, 26 years ago

Import

File size: 4.9 KB
Line 
1/* $Id: initterm.c,v 1.1 1999-05-24 20:19:33 ktk Exp $ */
2
3/*
4 * ADVAPI32 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 <os2.h>
30#include <stdlib.h>
31#include <stdio.h>
32#include <string.h>
33#include <builtin.h>
34#include "misc.h" /*PLF Wed 98-03-18 23:18:15*/
35
36/*-------------------------------------------------------------------*/
37/* _CRT_init is the C run-time environment initialization function. */
38/* It will return 0 to indicate success and -1 to indicate failure. */
39/*-------------------------------------------------------------------*/
40int _CRT_init(void);
41/*-------------------------------------------------------------------*/
42/* _CRT_term is the C run-time environment termination function. */
43/* It only needs to be called when the C run-time functions are */
44/* statically linked. */
45/*-------------------------------------------------------------------*/
46void _CRT_term(void);
47void __ctordtorInit( void );
48void __ctordtorTerm( void );
49
50/*-------------------------------------------------------------------*/
51/* A clean up routine registered with DosExitList must be used if */
52/* runtime calls are required and the runtime is dynamically linked. */
53/* This will guarantee that this clean up routine is run before the */
54/* library DLL is terminated. */
55/*-------------------------------------------------------------------*/
56static void APIENTRY cleanup(ULONG reason);
57
58
59/****************************************************************************/
60/* _DLL_InitTerm is the function that gets called by the operating system */
61/* loader when it loads and frees this DLL for each process that accesses */
62/* this DLL. However, it only gets called the first time the DLL is loaded */
63/* and the last time it is freed for a particular process. The system */
64/* linkage convention MUST be used because the operating system loader is */
65/* calling this function. */
66/****************************************************************************/
67unsigned long _System _DLL_InitTerm(unsigned long hModule, unsigned long
68 ulFlag)
69{
70 size_t i;
71 APIRET rc;
72
73 /*-------------------------------------------------------------------------*/
74 /* If ulFlag is zero then the DLL is being loaded so initialization should */
75 /* be performed. If ulFlag is 1 then the DLL is being freed so */
76 /* termination should be performed. */
77 /*-------------------------------------------------------------------------*/
78
79 switch (ulFlag) {
80 case 0 :
81
82 /*******************************************************************/
83 /* The C run-time environment initialization function must be */
84 /* called before any calls to C run-time functions that are not */
85 /* inlined. */
86 /*******************************************************************/
87
88 if (_CRT_init() == -1)
89 return 0UL;
90 __ctordtorInit();
91
92 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
93 /*******************************************************************/
94 /* A DosExitList routine must be used to clean up if runtime calls */
95 /* are required and the runtime is dynamically linked. */
96 /*******************************************************************/
97
98 rc = DosExitList(0x0000FF00|EXLST_ADD, cleanup);
99 if(rc)
100 return 0UL;
101
102 break;
103 case 1 :
104 break;
105 default :
106 return 0UL;
107 }
108
109 /***********************************************************/
110 /* A non-zero value must be returned to indicate success. */
111 /***********************************************************/
112 return 1UL;
113}
114
115
116static void APIENTRY cleanup(ULONG ulReason)
117{
118 __ctordtorTerm();
119 _CRT_term();
120 DosExitList(EXLST_EXIT, cleanup);
121 return ;
122}
Note: See TracBrowser for help on using the repository browser.