source: trunk/src/winmm/initterm.cpp@ 510

Last change on this file since 510 was 510, checked in by sandervl, 26 years ago

Makefile changes & initterm.cpp no longer calls c/c++ library init & termination functions (should only be done in odincrt.dll)

File size: 4.0 KB
Line 
1/* $Id: initterm.cpp,v 1.4 1999-08-16 16:28:04 sandervl Exp $ */
2
3/*
4 * WINMM DLL entry point
5 *
6 * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
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 <builtin.h>
34#include <misc.h> /*PLF Wed 98-03-18 23:19:26*/
35#include <odin.h>
36#include "aux.h"
37
38
39extern "C" {
40void IRTMidiShutdown(); // IRTMidi shutdown routine
41}
42
43/*-------------------------------------------------------------------*/
44/* A clean up routine registered with DosExitList must be used if */
45/* runtime calls are required and the runtime is dynamically linked. */
46/* This will guarantee that this clean up routine is run before the */
47/* library DLL is terminated. */
48/*-------------------------------------------------------------------*/
49static void APIENTRY cleanup(ULONG reason);
50
51
52
53/****************************************************************************/
54/* _DLL_InitTerm is the function that gets called by the operating system */
55/* loader when it loads and frees this DLL for each process that accesses */
56/* this DLL. However, it only gets called the first time the DLL is loaded */
57/* and the last time it is freed for a particular process. The system */
58/* linkage convention MUST be used because the operating system loader is */
59/* calling this function. */
60/****************************************************************************/
61unsigned long _System _DLL_InitTerm(unsigned long hModule, unsigned long
62 ulFlag)
63{
64 size_t i;
65 APIRET rc;
66
67 /*-------------------------------------------------------------------------*/
68 /* If ulFlag is zero then the DLL is being loaded so initialization should */
69 /* be performed. If ulFlag is 1 then the DLL is being freed so */
70 /* termination should be performed. */
71 /*-------------------------------------------------------------------------*/
72
73 switch (ulFlag) {
74 case 0 :
75
76 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
77
78 /*******************************************************************/
79 /* A DosExitList routine must be used to clean up if runtime calls */
80 /* are required and the runtime is dynamically linked. */
81 /*******************************************************************/
82
83 rc = DosExitList(0x0000F000|EXLST_ADD, cleanup);
84 if(rc)
85 return 0UL;
86
87 break;
88 case 1 :
89 auxOS2Close(); /* SvL: Close aux device if necessary */
90 break;
91 default :
92 return 0UL;
93 }
94
95 /***********************************************************/
96 /* A non-zero value must be returned to indicate success. */
97 /***********************************************************/
98 return 1UL;
99}
100
101
102static void APIENTRY cleanup(ULONG ulReason)
103{
104 auxOS2Close(); /* SvL: Close aux device if necessary */
105 IRTMidiShutdown; /* JT: Shutdown RT Midi subsystem, if running. */
106 DosExitList(EXLST_EXIT, cleanup);
107 return ;
108}
109
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