source: trunk/src/winmm/initterm.cpp@ 1036

Last change on this file since 1036 was 951, checked in by sandervl, 26 years ago

Initterm creates LX image object during initialization

File size: 4.2 KB
Line 
1/* $Id: initterm.cpp,v 1.6 1999-09-15 23:26:10 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 <win32type.h>
37#include <odinlx.h>
38#include "aux.h"
39
40
41extern "C" {
42void IRTMidiShutdown(); // IRTMidi shutdown routine
43void CDECL _ctordtorInit( void );
44void CDECL _ctordtorTerm( void );
45}
46
47/*-------------------------------------------------------------------*/
48/* A clean up routine registered with DosExitList must be used if */
49/* runtime calls are required and the runtime is dynamically linked. */
50/* This will guarantee that this clean up routine is run before the */
51/* library DLL is terminated. */
52/*-------------------------------------------------------------------*/
53static void APIENTRY cleanup(ULONG reason);
54
55
56
57/****************************************************************************/
58/* _DLL_InitTerm is the function that gets called by the operating system */
59/* loader when it loads and frees this DLL for each process that accesses */
60/* this DLL. However, it only gets called the first time the DLL is loaded */
61/* and the last time it is freed for a particular process. The system */
62/* linkage convention MUST be used because the operating system loader is */
63/* calling this function. */
64/****************************************************************************/
65unsigned long _System _DLL_InitTerm(unsigned long hModule, unsigned long
66 ulFlag)
67{
68 size_t i;
69 APIRET rc;
70
71 /*-------------------------------------------------------------------------*/
72 /* If ulFlag is zero then the DLL is being loaded so initialization should */
73 /* be performed. If ulFlag is 1 then the DLL is being freed so */
74 /* termination should be performed. */
75 /*-------------------------------------------------------------------------*/
76
77 switch (ulFlag) {
78 case 0 :
79 _ctordtorInit();
80
81 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
82
83 if(RegisterLxDll(hModule, 0, 0) == FALSE)
84 return 0UL;
85
86 /*******************************************************************/
87 /* A DosExitList routine must be used to clean up if runtime calls */
88 /* are required and the runtime is dynamically linked. */
89 /*******************************************************************/
90
91 rc = DosExitList(0x0000F000|EXLST_ADD, cleanup);
92 if(rc)
93 return 0UL;
94
95 break;
96 case 1 :
97 auxOS2Close(); /* SvL: Close aux device if necessary */
98 UnregisterLxDll(hModule);
99 break;
100 default :
101 return 0UL;
102 }
103
104 /***********************************************************/
105 /* A non-zero value must be returned to indicate success. */
106 /***********************************************************/
107 return 1UL;
108}
109
110
111static void APIENTRY cleanup(ULONG ulReason)
112{
113 auxOS2Close(); /* SvL: Close aux device if necessary */
114 IRTMidiShutdown; /* JT: Shutdown RT Midi subsystem, if running. */
115 _ctordtorTerm();
116 DosExitList(EXLST_EXIT, cleanup);
117 return ;
118}
119
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