| 0,0 → 1,80 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com> |
| * Copyright 2010-2011 LunarG, Inc. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| |
| #include <stdlib.h> |
| #include <assert.h> |
| #include "eglglobals.h" |
| #include "egldisplay.h" |
| #include "egldriver.h" |
| #include "eglmutex.h" |
| |
| |
| static _EGL_DECLARE_MUTEX(_eglGlobalMutex); |
| struct _egl_global _eglGlobal = |
| { |
| &_eglGlobalMutex, /* Mutex */ |
| NULL, /* DisplayList */ |
| 2, /* NumAtExitCalls */ |
| { |
| /* default AtExitCalls, called in reverse order */ |
| _eglUnloadDrivers, /* always called last */ |
| _eglFiniDisplay |
| }, |
| }; |
| |
| |
| static void |
| _eglAtExit(void) |
| { |
| EGLint i; |
| for (i = _eglGlobal.NumAtExitCalls - 1; i >= 0; i--) |
| _eglGlobal.AtExitCalls[i](); |
| } |
| |
| |
| void |
| _eglAddAtExitCall(void (*func)(void)) |
| { |
| if (func) { |
| static EGLBoolean registered = EGL_FALSE; |
| |
| _eglLockMutex(_eglGlobal.Mutex); |
| |
| if (!registered) { |
| atexit(_eglAtExit); |
| registered = EGL_TRUE; |
| } |
| |
| assert(_eglGlobal.NumAtExitCalls < ARRAY_SIZE(_eglGlobal.AtExitCalls)); |
| _eglGlobal.AtExitCalls[_eglGlobal.NumAtExitCalls++] = func; |
| |
| _eglUnlockMutex(_eglGlobal.Mutex); |
| } |
| } |