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 "config.h"
  22
  23 #include "alMain.h"
  24 #include "alBuffer.h"
  25 #include "alFilter.h"
  26 #include "alEffect.h"
  27 #include "alAuxEffectSlot.h"
  28 #include "alThunk.h"
  29
  30 CRITICAL_SECTION _alMutex;
  31
  32 #ifdef _WIN32
  33 BOOL APIENTRY DllMain(HANDLE hModule,DWORD ul_reason_for_call,LPVOID lpReserved)
  34 {
  35     (void)lpReserved;
  36
  37     // Perform actions based on the reason for calling.
  38     switch(ul_reason_for_call)
  39     {
  40         case DLL_PROCESS_ATTACH:
  41             DisableThreadLibraryCalls(hModule);
  42             break;
  43
  44         case DLL_PROCESS_DETACH:
  45             ReleaseALBuffers();
  46             ReleaseALEffects();
  47             ReleaseALFilters();
  48             ReleaseALC();
  49             FreeALConfig();
  50             ALTHUNK_EXIT();
  51             DeleteCriticalSection(&_alMutex);
  52             break;
  53     }
  54     return TRUE;
  55 }
  56 #else
  57 #ifdef HAVE_GCC_DESTRUCTOR
  58 static void my_deinit() __attribute__((destructor));
  59 static void my_deinit()
  60 {
  61     static ALenum once = AL_FALSE;
  62     if(once) return;
  63     once = AL_TRUE;
  64
  65     ReleaseALBuffers();
  66     ReleaseALEffects();
  67     ReleaseALFilters();
  68     ReleaseALC();
  69     FreeALConfig();
  70     ALTHUNK_EXIT();
  71     DeleteCriticalSection(&_alMutex);
  72 }
  73 #endif
  74 #endif