source: trunk/src/NTDLL/initterm.cpp@ 9704

Last change on this file since 9704 was 9704, checked in by sandervl, 23 years ago

Dll load/unload changes

File size: 3.6 KB
Line 
1/*
2 * DLL entry point
3 *
4 * Copyright 1998 Sander van Leeuwen
5 * Copyright 1998 Peter Fitzsimmons
6 *
7 *
8 * Project Odin Software License can be found in LICENSE.TXT
9 *
10 */
11
12/*-------------------------------------------------------------*/
13/* INITERM.C -- Source for a custom dynamic link library */
14/* initialization and termination (_DLL_InitTerm) */
15/* function. */
16/* */
17/* When called to perform initialization, this sample function */
18/* gets storage for an array of integers, and initializes its */
19/* elements with random integers. At termination time, it */
20/* frees the array. Substitute your own special processing. */
21/*-------------------------------------------------------------*/
22
23
24/* Include files */
25#define INCL_DOSMODULEMGR
26#define INCL_DOSPROCESS
27#include <os2wrap.h> //Odin32 OS/2 api wrappers
28#include <stdlib.h>
29#include <stdio.h>
30#include <string.h>
31#include <odin.h>
32#include <win32type.h>
33#include <winconst.h>
34#include <odinlx.h>
35#include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
36#include <initdll.h>
37#include <exitlist.h>
38
39extern "C" {
40 void __ctordtorInit (void);
41 void __ctordtorTerm (void);
42 int _CRT_init (void);
43 void _CRT_term (void);
44}
45
46
47static void APIENTRY cleanup(ULONG reason);
48
49/****************************************************************************/
50/* _DLL_InitTerm is the function that gets called by the operating system */
51/* loader when it loads and frees this DLL for each process that accesses */
52/* this DLL. However, it only gets called the first time the DLL is loaded */
53/* and the last time it is freed for a particular process. The system */
54/* linkage convention MUST be used because the operating system loader is */
55/* calling this function. */
56/****************************************************************************/
57unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule, unsigned long
58 ulFlag)
59{
60 size_t i;
61 APIRET rc;
62
63 /*-------------------------------------------------------------------------*/
64 /* If ulFlag is zero then the DLL is being loaded so initialization should */
65 /* be performed. If ulFlag is 1 then the DLL is being freed so */
66 /* termination should be performed. */
67 /*-------------------------------------------------------------------------*/
68
69 switch (ulFlag) {
70 case 0 :
71 if (_CRT_init () != 0)
72 return 0;
73 __ctordtorInit ();
74
75 rc = DosExitList(EXITLIST_NONCRITDLL|EXLST_ADD, cleanup);
76 if (rc)
77 return 0UL;
78
79 return inittermNTDLL(hModule, ulFlag);
80
81 case 1 :
82 return inittermNTDLL(hModule, ulFlag);
83
84 default :
85 return 0UL;
86 }
87
88 /***********************************************************/
89 /* A non-zero value must be returned to indicate success. */
90 /***********************************************************/
91 return 1UL;
92}
93//******************************************************************************
94//******************************************************************************
95static void APIENTRY cleanup(ULONG ulReason)
96{
97 dprintf(("NTDLL exit"));
98 __ctordtorTerm();
99 _CRT_term ();
100
101 DosExitList(EXLST_EXIT, cleanup);
102 return ;
103}
104//******************************************************************************
105//******************************************************************************
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