source: trunk/src/NTDLL/initterm.cpp@ 9739

Last change on this file since 9739 was 9739, checked in by sandervl, 23 years ago

PF: updates

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/****************************************************************************/
57extern "C"
58unsigned long _DLL_InitTerm(unsigned long hModule, unsigned long
59 ulFlag)
60{
61 size_t i;
62 APIRET rc;
63
64 /*-------------------------------------------------------------------------*/
65 /* If ulFlag is zero then the DLL is being loaded so initialization should */
66 /* be performed. If ulFlag is 1 then the DLL is being freed so */
67 /* termination should be performed. */
68 /*-------------------------------------------------------------------------*/
69
70 switch (ulFlag) {
71 case 0 :
72 if (_CRT_init () != 0)
73 return 0;
74 __ctordtorInit ();
75
76 rc = DosExitList(EXITLIST_NONCRITDLL|EXLST_ADD, cleanup);
77 if (rc)
78 return 0UL;
79
80 return inittermNTDLL(hModule, ulFlag);
81
82 case 1 :
83 return inittermNTDLL(hModule, ulFlag);
84
85 default :
86 return 0UL;
87 }
88
89 /***********************************************************/
90 /* A non-zero value must be returned to indicate success. */
91 /***********************************************************/
92 return 1UL;
93}
94//******************************************************************************
95//******************************************************************************
96static void APIENTRY cleanup(ULONG ulReason)
97{
98 dprintf(("NTDLL exit"));
99 __ctordtorTerm();
100 _CRT_term ();
101
102 DosExitList(EXLST_EXIT, cleanup);
103 return ;
104}
105//******************************************************************************
106//******************************************************************************
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