| 1 | /* $Id: initterm.cpp,v 1.8 1999-12-18 20:01:13 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * DLL entry point
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| 5 | *
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| 6 | * Copyright 1998 Sander van Leeuwen
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| 7 | * Copyright 1998 Peter Fitzsimmons
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| 8 | *
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| 9 | *
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| 10 | * Project Odin Software License can be found in LICENSE.TXT
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| 11 | *
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| 12 | */
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| 13 |
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| 14 | /*-------------------------------------------------------------*/
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| 15 | /* INITERM.C -- Source for a custom dynamic link library */
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| 16 | /* initialization and termination (_DLL_InitTerm) */
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| 17 | /* function. */
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| 18 | /* */
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| 19 | /* When called to perform initialization, this sample function */
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| 20 | /* gets storage for an array of integers, and initializes its */
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| 21 | /* elements with random integers. At termination time, it */
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| 22 | /* frees the array. Substitute your own special processing. */
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| 23 | /*-------------------------------------------------------------*/
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| 24 |
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| 25 |
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| 26 | /* Include files */
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| 27 | #define INCL_DOSMODULEMGR
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| 28 | #define INCL_DOSPROCESS
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| 29 | #include <os2wrap.h> //Odin32 OS/2 api wrappers
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| 30 | #include <stdlib.h>
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| 31 | #include <stdio.h>
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| 32 | #include <string.h>
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| 33 | #include <odin.h>
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| 34 | #include <win32type.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 |
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| 38 | extern "C" {
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| 39 | void CDECL _ctordtorInit( void );
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| 40 | void CDECL _ctordtorTerm( void );
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| 41 | }
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| 42 |
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| 43 | /*-------------------------------------------------------------------*/
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| 44 | /* A clean up routine registered with DosExitList must be used if */
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| 45 | /* runtime calls are required and the runtime is dynamically linked. */
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| 46 | /* This will guarantee that this clean up routine is run before the */
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| 47 | /* library DLL is terminated. */
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| 48 | /*-------------------------------------------------------------------*/
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| 49 | static void APIENTRY cleanup(ULONG reason);
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| 50 |
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| 51 |
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| 52 | BOOL WINAPI NTDLL_LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);
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| 53 |
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| 54 | /****************************************************************************/
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| 55 | /* _DLL_InitTerm is the function that gets called by the operating system */
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| 56 | /* loader when it loads and frees this DLL for each process that accesses */
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| 57 | /* this DLL. However, it only gets called the first time the DLL is loaded */
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| 58 | /* and the last time it is freed for a particular process. The system */
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| 59 | /* linkage convention MUST be used because the operating system loader is */
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| 60 | /* calling this function. */
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| 61 | /****************************************************************************/
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| 62 | unsigned long SYSTEM _DLL_InitTerm(unsigned long hModule, unsigned long
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| 63 | ulFlag)
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| 64 | {
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| 65 | size_t i;
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| 66 | APIRET rc;
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| 67 |
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| 68 | /*-------------------------------------------------------------------------*/
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| 69 | /* If ulFlag is zero then the DLL is being loaded so initialization should */
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| 70 | /* be performed. If ulFlag is 1 then the DLL is being freed so */
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| 71 | /* termination should be performed. */
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| 72 | /*-------------------------------------------------------------------------*/
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| 73 |
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| 74 | switch (ulFlag) {
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| 75 | case 0 :
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| 76 | _ctordtorInit();
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| 77 |
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| 78 | CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
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| 79 |
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| 80 | /*******************************************************************/
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| 81 | /* A DosExitList routine must be used to clean up if runtime calls */
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| 82 | /* are required and the runtime is dynamically linked. */
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| 83 | /*******************************************************************/
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| 84 |
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| 85 | if(RegisterLxDll(hModule, NTDLL_LibMain, 0) == FALSE)
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| 86 | return 0UL;
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| 87 |
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| 88 | rc = DosExitList(0x0000F000|EXLST_ADD, cleanup);
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| 89 | if(rc)
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| 90 | return 0UL;
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| 91 |
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| 92 | break;
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| 93 | case 1 :
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| 94 | UnregisterLxDll(hModule);
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| 95 | break;
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| 96 | default :
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| 97 | return 0UL;
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| 98 | }
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| 99 |
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| 100 | /***********************************************************/
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| 101 | /* A non-zero value must be returned to indicate success. */
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| 102 | /***********************************************************/
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| 103 | return 1UL;
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| 104 | }
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| 105 |
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| 106 |
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| 107 | static void APIENTRY cleanup(ULONG ulReason)
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| 108 | {
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| 109 | _ctordtorTerm();
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| 110 | DosExitList(EXLST_EXIT, cleanup);
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| 111 | return ;
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| 112 | }
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