source: trunk/src/user32/new/initterm.c@ 4

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

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1/* $Id: initterm.c,v 1.1 1999-05-24 20:20:04 ktk Exp $ */
2
3/*
4
5 * This file was created for Sander van Leeuwen
6
7 * by Project Smarts on 8 May 1997.
8
9 */
10
11/*-------------------------------------------------------------*/
12/* INITERM.C -- Source for a custom dynamic link library */
13/* initialization and termination (_DLL_InitTerm) */
14/* function. */
15/* */
16/* When called to perform initialization, this sample function */
17/* gets storage for an array of integers, and initializes its */
18/* elements with random integers. At termination time, it */
19/* frees the array. Substitute your own special processing. */
20/*-------------------------------------------------------------*/
21
22
23/* Include files */
24#define INCL_DOSMODULEMGR
25#define INCL_DOSPROCESS
26#include <os2.h>
27#include <stdlib.h>
28#include <stdio.h>
29#include <string.h>
30#include <builtin.h>
31#include "misc.h" /*PLF Wed 98-03-18 23:18:29*/
32
33/*-------------------------------------------------------------------*/
34/* _CRT_init is the C run-time environment initialization function. */
35/* It will return 0 to indicate success and -1 to indicate failure. */
36/*-------------------------------------------------------------------*/
37int _CRT_init(void);
38/*-------------------------------------------------------------------*/
39/* _CRT_term is the C run-time environment termination function. */
40/* It only needs to be called when the C run-time functions are */
41/* statically linked. */
42/*-------------------------------------------------------------------*/
43void _CRT_term(void);
44void __ctordtorInit( void );
45void __ctordtorTerm( void );
46
47void RegisterSystemClasses(ULONG hModule);
48
49/*-------------------------------------------------------------------*/
50/* A clean up routine registered with DosExitList must be used if */
51/* runtime calls are required and the runtime is dynamically linked. */
52/* This will guarantee that this clean up routine is run before the */
53/* library DLL is terminated. */
54/*-------------------------------------------------------------------*/
55static void APIENTRY cleanup(ULONG reason);
56
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 if(InitPM() == FALSE) {
99 return 0UL;
100 }
101 rc = DosExitList(0x0000FF00|EXLST_ADD, cleanup);
102 if(rc)
103 return 0UL;
104
105 //SvL: 18-7-'98, Register system window classes (button, listbox etc etc)
106 RegisterSystemClasses(hModule);
107 break;
108 case 1 :
109 break;
110 default :
111 return 0UL;
112 }
113
114 /***********************************************************/
115 /* A non-zero value must be returned to indicate success. */
116 /***********************************************************/
117 return 1UL;
118}
119
120
121static void APIENTRY cleanup(ULONG ulReason)
122{
123 dprintf(("user32 exit\n"));
124 __ctordtorTerm();
125 _CRT_term();
126 dprintf(("user32 exit done\n"));
127 DosExitList(EXLST_EXIT, cleanup);
128 return ;
129}
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