OpenAL32/OpenAL32.c

   1 /**
   2  * OpenAL cross platform audio library
   3  * Copyright (C) 1999-2007 by authors.
   4  * This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Library General Public
   6  *  License as published by the Free Software Foundation; either
   7  *  version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public
  15  *  License along with this library; if not, write to the
  16  *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  *  Boston, MA  02111-1307, USA.
  18  * Or go to http://www.gnu.org/copyleft/lgpl.html
  19  */
  20
  21 #include "alMain.h"
  22 #include "alBuffer.h"
  23 #include "alFilter.h"
  24 #include "alEffect.h"
  25 #include "alAuxEffectSlot.h"
  26 #include "alThunk.h"
  27
  28 CRITICAL_SECTION _alMutex;
  29
  30 #ifdef _WIN32
  31 BOOL APIENTRY DllMain(HANDLE hModule,DWORD ul_reason_for_call,LPVOID lpReserved)
  32 {
  33     (void)lpReserved;
  34
  35     // Perform actions based on the reason for calling.
  36     switch(ul_reason_for_call)
  37     {
  38         case DLL_PROCESS_ATTACH:
  39             DisableThreadLibraryCalls(hModule);
  40             break;
  41
  42         case DLL_PROCESS_DETACH:
  43             ReleaseALBuffers();
  44             ReleaseALAuxiliaryEffectSlots();
  45             ReleaseALEffects();
  46             ReleaseALFilters();
  47             FreeALConfig();
  48             ALTHUNK_EXIT();
  49             DeleteCriticalSection(&_alMutex);
  50             break;
  51     }
  52     return TRUE;
  53 }
  54 #else
  55 #ifdef HAVE_GCC_DESTRUCTOR
  56 static void my_deinit() __attribute__((destructor));
  57 static void my_deinit()
  58 {
  59     static ALenum once = AL_FALSE;
  60     if(once) return;
  61     once = AL_TRUE;
  62
  63     ReleaseALBuffers();
  64     ReleaseALAuxiliaryEffectSlots();
  65     ReleaseALEffects();
  66     ReleaseALFilters();
  67     FreeALConfig();
  68     ALTHUNK_EXIT();
  69     DeleteCriticalSection(&_alMutex);
  70 }
  71 #endif
  72 #endif