| 1 | /* $Id: initwnaspi32.cpp,v 1.3 2001-10-26 19:50:06 achimha 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 <winconst.h>
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| 35 | #include <odinlx.h>
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| 36 | #include <misc.h> /*PLF Wed 98-03-18 23:18:15*/
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| 37 | #include <initdll.h>
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| 38 | #include "aspilib.h"
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| 39 |
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| 40 | extern "C" {
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| 41 | //Win32 resource table (produced by wrc)
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| 42 | extern DWORD wnaspi32_PEResTab;
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| 43 | }
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| 44 | scsiObj *aspi = NULL;
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| 45 | static HMODULE dllHandle = 0;
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| 46 | //******************************************************************************
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| 47 | //******************************************************************************
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| 48 | BOOL WINAPI Wnaspi32LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
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| 49 | {
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| 50 | switch (fdwReason)
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| 51 | {
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| 52 | case DLL_PROCESS_ATTACH:
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| 53 | aspi = new scsiObj();
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| 54 | if(aspi == NULL) {
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| 55 | dprintf(("WNASPI32: LibMain; can't allocate aspi object! APIs will not work!"));
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| 56 | // @@@AH 20011020 we shouldn't prevent DLL loading in this case
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| 57 | // just make sure that all API calls fail
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| 58 | return TRUE;
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| 59 | }
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| 60 | if(aspi->init(65535) == FALSE)
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| 61 | {
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| 62 | delete aspi;
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| 63 | aspi = NULL;
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| 64 | dprintf(("WNASPI32: LibMain; can't init aspi object!"));
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| 65 | // @@@20011026 and also in this case we shouldn't prevent DLL loading...
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| 66 | return TRUE;
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| 67 | // return FALSE;
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| 68 | }
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| 69 | dprintf(("WNASPI32: LibMain; aspi object created successfully"));
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| 70 | return TRUE;
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| 71 |
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| 72 | case DLL_THREAD_ATTACH:
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| 73 | case DLL_THREAD_DETACH:
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| 74 | return TRUE;
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| 75 |
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| 76 | case DLL_PROCESS_DETACH:
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| 77 | if(aspi) {
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| 78 | aspi->close();
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| 79 | delete aspi;
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| 80 | aspi = NULL;
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| 81 | }
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| 82 | return TRUE;
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| 83 | }
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| 84 | return FALSE;
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| 85 | }
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| 86 | /****************************************************************************/
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| 87 | /* _DLL_InitTerm is the function that gets called by the operating system */
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| 88 | /* loader when it loads and frees this DLL for each process that accesses */
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| 89 | /* this DLL. However, it only gets called the first time the DLL is loaded */
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| 90 | /* and the last time it is freed for a particular process. The system */
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| 91 | /* linkage convention MUST be used because the operating system loader is */
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| 92 | /* calling this function. */
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| 93 | /****************************************************************************/
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| 94 | ULONG APIENTRY inittermWnaspi32(ULONG hModule, ULONG ulFlag)
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| 95 | {
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| 96 | size_t i;
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| 97 | APIRET rc;
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| 98 |
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| 99 | /*-------------------------------------------------------------------------*/
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| 100 | /* If ulFlag is zero then the DLL is being loaded so initialization should */
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| 101 | /* be performed. If ulFlag is 1 then the DLL is being freed so */
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| 102 | /* termination should be performed. */
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| 103 | /*-------------------------------------------------------------------------*/
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| 104 |
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| 105 | switch (ulFlag) {
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| 106 | case 0 :
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| 107 | dllHandle = RegisterLxDll(hModule, Wnaspi32LibMain, (PVOID)&wnaspi32_PEResTab);
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| 108 | if(dllHandle == 0)
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| 109 | return 0UL;
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| 110 |
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| 111 | break;
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| 112 | case 1 :
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| 113 | if(dllHandle) {
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| 114 | UnregisterLxDll(dllHandle);
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| 115 | }
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| 116 | break;
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| 117 | default :
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| 118 | return 0UL;
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| 119 | }
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| 120 |
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| 121 | /***********************************************************/
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| 122 | /* A non-zero value must be returned to indicate success. */
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| 123 | /***********************************************************/
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| 124 | return 1UL;
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| 125 | }
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| 126 | //******************************************************************************
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| 127 | //******************************************************************************
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