| 1 | // $Id: dplayx_main.cpp,v 1.2 2000-09-24 22:47:37 hugh Exp $
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| 2 | /*
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| 3 | * DPLAYX.DLL LibMain
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| 4 | *
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| 5 | * Copyright 1999,2000 - Peter Hunnisett
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| 6 | *
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| 7 | * contact <hunnise@nortelnetworks.com>
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| 8 | */
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| 9 | #include <string.h>
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| 10 | #include <odin.h>
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| 11 | #define ICOM_CINTERFACE 1
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| 12 | #define CINTERFACE
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| 13 | #include "winerror.h"
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| 14 | #include "winbase.h"
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| 15 | #include "debugtools.h"
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| 16 | #define INITGUID
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| 17 | #include "initguid.h" /* To define the GUIDs */
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| 18 | #include "dplaysp.h"
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| 19 | #include "dplayx_global.h"
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| 20 |
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| 21 | DEFAULT_DEBUG_CHANNEL(dplay);
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| 22 |
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| 23 | DEFINE_GUID(GUID_NULL,0,0,0,0,0,0,0,0,0,0,0);
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| 24 |
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| 25 | static DWORD DPLAYX_dwProcessesAttached = 0;
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| 26 |
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| 27 | /* This is a globally exported variable at ordinal 6 of DPLAYX.DLL */
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| 28 | DWORD gdwDPlaySPRefCount = 0; /* FIXME: Should it be initialized here? */
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| 29 |
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| 30 | extern "C" {
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| 31 | void CDECL _ctordtorTerm( void );
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| 32 | }
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| 33 |
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| 34 | BOOL WINAPI DPLAYX_LibMain( HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved )
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| 35 | {
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| 36 |
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| 37 | TRACE( "(%u,0x%08lx,%p) & 0x%08lx\n", hinstDLL, fdwReason, lpvReserved, DPLAYX_dwProcessesAttached );
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| 38 |
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| 39 | switch ( fdwReason )
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| 40 | {
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| 41 | case DLL_PROCESS_ATTACH:
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| 42 | {
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| 43 |
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| 44 | if ( DPLAYX_dwProcessesAttached++ == 0 )
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| 45 | {
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| 46 | /* First instance perform construction of global processor data */
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| 47 | return DPLAYX_ConstructData();
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| 48 | }
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| 49 |
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| 50 | break;
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| 51 | }
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| 52 |
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| 53 | case DLL_PROCESS_DETACH:
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| 54 | {
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| 55 |
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| 56 | if ( --DPLAYX_dwProcessesAttached == 0 )
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| 57 | {
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| 58 | BOOL rc;
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| 59 | /* Last instance performs destruction of global processor data */
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| 60 | rc = DPLAYX_DestructData();
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| 61 | _ctordtorTerm();
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| 62 | return rc;
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| 63 | }
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| 64 |
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| 65 | break;
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| 66 | }
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| 67 |
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| 68 | case DLL_THREAD_ATTACH: /* Do nothing */
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| 69 | case DLL_THREAD_DETACH: /* Do nothing */
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| 70 | break;
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| 71 | default:
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| 72 | break;
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| 73 |
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| 74 | }
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| 75 |
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| 76 | return TRUE;
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| 77 | }
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| 78 |
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| 79 | /***********************************************************************
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| 80 | * DllCanUnloadNow (DPLAYX.10)
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| 81 | */
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| 82 | HRESULT WINAPI DPLAYX_DllCanUnloadNow(void)
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| 83 | {
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| 84 | HRESULT hr = ( gdwDPlaySPRefCount > 0 ) ? S_FALSE : S_OK;
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| 85 |
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| 86 | /* FIXME: Should I be putting a check in for class factory objects
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| 87 | * as well
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| 88 | */
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| 89 |
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| 90 | TRACE( ": returning 0x%08lx\n", hr );
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| 91 |
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| 92 | return hr;
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| 93 | }
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| 94 |
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| 95 |
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