| 1 | /* $Id: initwnaspi32.cpp,v 1.7 2002-06-08 11:42:02 sandervl Exp $
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| 2 | *
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| 3 | * DLL entry point
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| 4 | *
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| 5 | * Copyright 1998 Sander van Leeuwen
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| 6 | * Copyright 1998 Peter Fitzsimmons
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| 7 | *
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| 8 | *
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| 9 | * Project Odin Software License can be found in LICENSE.TXT
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| 10 | *
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| 11 | */
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| 12 |
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| 13 | /*-------------------------------------------------------------*/
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| 14 | /* INITERM.C -- Source for a custom dynamic link library */
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| 15 | /* initialization and termination (_DLL_InitTerm) */
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| 16 | /* function. */
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| 17 | /* */
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| 18 | /* When called to perform initialization, this sample function */
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| 19 | /* gets storage for an array of integers, and initializes its */
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| 20 | /* elements with random integers. At termination time, it */
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| 21 | /* frees the array. Substitute your own special processing. */
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| 22 | /*-------------------------------------------------------------*/
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| 23 |
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| 24 |
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| 25 | /* Include files */
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| 26 | #define INCL_DOSMODULEMGR
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| 27 | #define INCL_DOSPROCESS
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| 28 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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| 29 | #include <stdlib.h>
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| 30 | #include <stdio.h>
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| 31 | #include <string.h>
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| 32 | #include <odin.h>
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| 33 | #include <win32type.h>
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| 34 | #include <win32api.h>
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| 35 | #include <winconst.h>
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| 36 | #include <odinlx.h>
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| 37 | #include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
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| 38 | #include <initdll.h>
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| 39 | #include <custombuild.h>
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| 40 | #include "cdio.h"
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| 41 |
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| 42 | extern "C" {
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| 43 | //Win32 resource table (produced by wrc)
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| 44 | extern DWORD wnaspi32_PEResTab;
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| 45 | }
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| 46 | static HMODULE dllHandle = 0;
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| 47 | BOOL fASPIAvailable = TRUE;
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| 48 |
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| 49 | //******************************************************************************
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| 50 | //******************************************************************************
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| 51 | void WIN32API DisableASPI()
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| 52 | {
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| 53 | dprintf(("DisableASPI"));
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| 54 | fASPIAvailable = FALSE;
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| 55 | }
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| 56 | //******************************************************************************
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| 57 | //******************************************************************************
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| 58 | BOOL WINAPI Wnaspi32LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
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| 59 | {
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| 60 | switch (fdwReason)
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| 61 | {
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| 62 | case DLL_PROCESS_ATTACH:
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| 63 | {
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| 64 | if(fASPIAvailable == FALSE) return TRUE;
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| 65 |
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| 66 | if(OSLibCdIoInitialize() == FALSE) {
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| 67 | dprintf(("WNASPI32: LibMain; can't allocate aspi object! APIs will not work!"));
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| 68 | // @@@AH 20011020 we shouldn't prevent DLL loading in this case
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| 69 | // just make sure that all API calls fail
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| 70 | return TRUE;
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| 71 | }
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| 72 | fASPIAvailable = TRUE;
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| 73 | dprintf(("WNASPI32: LibMain; os2cdrom.dmd ASPI interface available"));
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| 74 | return TRUE;
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| 75 | }
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| 76 |
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| 77 | case DLL_THREAD_ATTACH:
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| 78 | case DLL_THREAD_DETACH:
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| 79 | return TRUE;
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| 80 |
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| 81 | case DLL_PROCESS_DETACH:
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| 82 | OSLibCdIoTerminate();
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| 83 | return TRUE;
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| 84 | }
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| 85 | return FALSE;
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| 86 | }
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| 87 | /****************************************************************************/
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| 88 | /* _DLL_InitTerm is the function that gets called by the operating system */
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| 89 | /* loader when it loads and frees this DLL for each process that accesses */
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| 90 | /* this DLL. However, it only gets called the first time the DLL is loaded */
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| 91 | /* and the last time it is freed for a particular process. The system */
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| 92 | /* linkage convention MUST be used because the operating system loader is */
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| 93 | /* calling this function. */
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| 94 | /****************************************************************************/
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| 95 | ULONG APIENTRY inittermWnaspi32(ULONG hModule, ULONG ulFlag)
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| 96 | {
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| 97 | size_t i;
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| 98 | APIRET rc;
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| 99 |
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| 100 | /*-------------------------------------------------------------------------*/
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| 101 | /* If ulFlag is zero then the DLL is being loaded so initialization should */
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| 102 | /* be performed. If ulFlag is 1 then the DLL is being freed so */
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| 103 | /* termination should be performed. */
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| 104 | /*-------------------------------------------------------------------------*/
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| 105 |
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| 106 | switch (ulFlag) {
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| 107 | case 0 :
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| 108 | dllHandle = RegisterLxDll(hModule, Wnaspi32LibMain, (PVOID)&wnaspi32_PEResTab);
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| 109 | if(dllHandle == 0)
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| 110 | return 0UL;
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| 111 |
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| 112 | break;
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| 113 | case 1 :
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| 114 | if(dllHandle) {
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| 115 | UnregisterLxDll(dllHandle);
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| 116 | }
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| 117 | break;
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| 118 | default :
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| 119 | return 0UL;
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| 120 | }
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| 121 |
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| 122 | /***********************************************************/
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| 123 | /* A non-zero value must be returned to indicate success. */
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| 124 | /***********************************************************/
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| 125 | return 1UL;
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| 126 | }
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| 127 | //******************************************************************************
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| 128 | //******************************************************************************
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