source: trunk/src/wnaspi32/aspirout/initwnaspi32.cpp

Last change on this file was 8601, checked in by sandervl, 23 years ago

os2cdrom.dmd rewrite
File size: 4.8 KB
RevLine 
[8601]1/* $Id: initwnaspi32.cpp,v 1.1 2002-06-08 11:42:03 sandervl Exp $
2 *
3 * DLL entry point
4 *
5 * Copyright 1998 Sander van Leeuwen
6 * Copyright 1998 Peter Fitzsimmons
7 *
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12
13/*-------------------------------------------------------------*/
14/* INITERM.C -- Source for a custom dynamic link library */
15/* initialization and termination (_DLL_InitTerm) */
16/* function. */
17/* */
18/* When called to perform initialization, this sample function */
19/* gets storage for an array of integers, and initializes its */
20/* elements with random integers. At termination time, it */
21/* frees the array. Substitute your own special processing. */
22/*-------------------------------------------------------------*/
23
24
25/* Include files */
26#define INCL_DOSMODULEMGR
27#define INCL_DOSPROCESS
28#include <os2wrap.h> //Odin32 OS/2 api wrappers
29#include <stdlib.h>
30#include <stdio.h>
31#include <string.h>
32#include <odin.h>
33#include <win32type.h>
34#include <win32api.h>
35#include <winconst.h>
36#include <odinlx.h>
37#include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
38#include <initdll.h>
39#include "aspilib.h"
40#include <custombuild.h>
41
42extern "C" {
43 //Win32 resource table (produced by wrc)
44 extern DWORD wnaspi32_PEResTab;
45}
46scsiObj *aspi = NULL;
47static HMODULE dllHandle = 0;
48static BOOL fDisableASPI = FALSE;
49
50//******************************************************************************
51//******************************************************************************
52void WIN32API DisableASPI()
53{
54 dprintf(("DisableASPI"));
55 fDisableASPI = TRUE;
56}
57//******************************************************************************
58//******************************************************************************
59BOOL WINAPI Wnaspi32LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
60{
61 switch (fdwReason)
62 {
63 case DLL_PROCESS_ATTACH:
64 {
65 if(fDisableASPI) return TRUE;
66
67 aspi = new scsiObj();
68 if(aspi == NULL) {
69 dprintf(("WNASPI32: LibMain; can't allocate aspi object! APIs will not work!"));
70 // @@@AH 20011020 we shouldn't prevent DLL loading in this case
71 // just make sure that all API calls fail
72 return TRUE;
73 }
74 if(aspi->init(65535) == FALSE)
75 {
76 delete aspi;
77 aspi = NULL;
78 dprintf(("WNASPI32: LibMain; can't init aspi object!"));
79 // @@@20011026 and also in this case we shouldn't prevent DLL loading...
80 return TRUE;
81 }
82 dprintf(("WNASPI32: LibMain; aspi object created successfully"));
83 return TRUE;
84 }
85
86 case DLL_THREAD_ATTACH:
87 case DLL_THREAD_DETACH:
88 return TRUE;
89
90 case DLL_PROCESS_DETACH:
91 if(aspi) {
92 aspi->close();
93 delete aspi;
94 aspi = NULL;
95 }
96 return TRUE;
97 }
98 return FALSE;
99}
100/****************************************************************************/
101/* _DLL_InitTerm is the function that gets called by the operating system */
102/* loader when it loads and frees this DLL for each process that accesses */
103/* this DLL. However, it only gets called the first time the DLL is loaded */
104/* and the last time it is freed for a particular process. The system */
105/* linkage convention MUST be used because the operating system loader is */
106/* calling this function. */
107/****************************************************************************/
108ULONG APIENTRY inittermWnaspi32(ULONG hModule, ULONG ulFlag)
109{
110 size_t i;
111 APIRET rc;
112
113 /*-------------------------------------------------------------------------*/
114 /* If ulFlag is zero then the DLL is being loaded so initialization should */
115 /* be performed. If ulFlag is 1 then the DLL is being freed so */
116 /* termination should be performed. */
117 /*-------------------------------------------------------------------------*/
118
119 switch (ulFlag) {
120 case 0 :
121 dllHandle = RegisterLxDll(hModule, Wnaspi32LibMain, (PVOID)&wnaspi32_PEResTab);
122 if(dllHandle == 0)
123 return 0UL;
124
125 break;
126 case 1 :
127 if(dllHandle) {
128 UnregisterLxDll(dllHandle);
129 }
130 break;
131 default :
132 return 0UL;
133 }
134
135 /***********************************************************/
136 /* A non-zero value must be returned to indicate success. */
137 /***********************************************************/
138 return 1UL;
139}
140//******************************************************************************
141//******************************************************************************
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