source: trunk/src/user32/initterm.cpp@ 225

Last change on this file since 225 was 225, checked in by sandervl, 26 years ago

Message handler updates & bugfixes
File size: 5.5 KB
Line 
1/* $Id: initterm.cpp,v 1.5 1999-06-27 16:23:23 sandervl Exp $ */
2
3/*
4 * USER32 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 23:18:29*/
35#include <win32type.h>
36#include <wndclass.h>
37#include <spy.h>
38
39extern "C" {
40/*-------------------------------------------------------------------*/
41/* _CRT_init is the C run-time environment initialization function. */
42/* It will return 0 to indicate success and -1 to indicate failure. */
43/*-------------------------------------------------------------------*/
44int CDECL CRT_init(void);
45/*-------------------------------------------------------------------*/
46/* _CRT_term is the C run-time environment termination function. */
47/* It only needs to be called when the C run-time functions are */
48/* statically linked. */
49/*-------------------------------------------------------------------*/
50void CDECL CRT_term(void);
51void CDECL _ctordtorInit( void );
52void CDECL _ctordtorTerm( void );
53}
54
55/*-------------------------------------------------------------------*/
56/* A clean up routine registered with DosExitList must be used if */
57/* runtime calls are required and the runtime is dynamically linked. */
58/* This will guarantee that this clean up routine is run before the */
59/* library DLL is terminated. */
60/*-------------------------------------------------------------------*/
61static void APIENTRY cleanup(ULONG reason);
62static void APIENTRY cleanupQueue(ULONG ulReason);
63
64
65
66/****************************************************************************/
67/* _DLL_InitTerm is the function that gets called by the operating system */
68/* loader when it loads and frees this DLL for each process that accesses */
69/* this DLL. However, it only gets called the first time the DLL is loaded */
70/* and the last time it is freed for a particular process. The system */
71/* linkage convention MUST be used because the operating system loader is */
72/* calling this function. */
73/****************************************************************************/
74unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule, unsigned long
75 ulFlag)
76{
77 size_t i;
78 APIRET rc;
79
80 /*-------------------------------------------------------------------------*/
81 /* If ulFlag is zero then the DLL is being loaded so initialization should */
82 /* be performed. If ulFlag is 1 then the DLL is being freed so */
83 /* termination should be performed. */
84 /*-------------------------------------------------------------------------*/
85
86 switch (ulFlag) {
87 case 0 :
88
89 /*******************************************************************/
90 /* The C run-time environment initialization function must be */
91 /* called before any calls to C run-time functions that are not */
92 /* inlined. */
93 /*******************************************************************/
94
95 if (CRT_init() == -1)
96 return 0UL;
97 _ctordtorInit();
98
99 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
100 /*******************************************************************/
101 /* A DosExitList routine must be used to clean up if runtime calls */
102 /* are required and the runtime is dynamically linked. */
103 /*******************************************************************/
104
105 rc = DosExitList(0x0000FF00|EXLST_ADD, cleanup);
106 if(rc)
107 return 0UL;
108
109 rc = DosExitList(0x00008000|EXLST_ADD, cleanupQueue);
110 if(rc)
111 return 0UL;
112
113 //SvL: 18-7-'98, Register system window classes (button, listbox etc etc)
114 RegisterSystemClasses(hModule);
115
116 //SvL: Try to start communication with our message spy queue server
117 InitSpyQueue();
118 break;
119 case 1 :
120 break;
121 default :
122 return 0UL;
123 }
124
125 /***********************************************************/
126 /* A non-zero value must be returned to indicate success. */
127 /***********************************************************/
128 return 1UL;
129}
130
131static void APIENTRY cleanupQueue(ULONG ulReason)
132{
133 CloseSpyQueue();
134}
135
136static void APIENTRY cleanup(ULONG ulReason)
137{
138 dprintf(("user32 exit\n"));
139 UnregisterSystemClasses();
140 _ctordtorTerm();
141 CRT_term();
142 dprintf(("user32 exit done\n"));
143 DosExitList(EXLST_EXIT, cleanup);
144 return ;
145}
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