Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5563 | serge | 1 | /************************************************************************** |
| 2 | * |
||
| 3 | * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
||
| 4 | * Copyright 2009-2010 Chia-I Wu |
||
| 5 | * Copyright 2010-2011 LunarG, Inc. |
||
| 6 | * All Rights Reserved. |
||
| 7 | * |
||
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
| 9 | * copy of this software and associated documentation files (the |
||
| 10 | * "Software"), to deal in the Software without restriction, including |
||
| 11 | * without limitation the rights to use, copy, modify, merge, publish, |
||
| 12 | * distribute, sub license, and/or sell copies of the Software, and to |
||
| 13 | * permit persons to whom the Software is furnished to do so, subject to |
||
| 14 | * the following conditions: |
||
| 15 | * |
||
| 16 | * The above copyright notice and this permission notice (including the |
||
| 17 | * next paragraph) shall be included in all copies or substantial portions |
||
| 18 | * of the Software. |
||
| 19 | * |
||
| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
||
| 21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
| 22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
||
| 23 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
||
| 24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
||
| 25 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
||
| 26 | * DEALINGS IN THE SOFTWARE. |
||
| 27 | * |
||
| 28 | **************************************************************************/ |
||
| 29 | |||
| 30 | |||
| 31 | #include |
||
| 32 | #include |
||
| 33 | #include "eglglobals.h" |
||
| 34 | #include "egldisplay.h" |
||
| 35 | #include "egldriver.h" |
||
| 36 | #include "eglmutex.h" |
||
| 37 | |||
| 38 | |||
| 39 | static _EGL_DECLARE_MUTEX(_eglGlobalMutex); |
||
| 40 | struct _egl_global _eglGlobal = |
||
| 41 | { |
||
| 42 | &_eglGlobalMutex, /* Mutex */ |
||
| 43 | NULL, /* DisplayList */ |
||
| 44 | 2, /* NumAtExitCalls */ |
||
| 45 | { |
||
| 46 | /* default AtExitCalls, called in reverse order */ |
||
| 47 | _eglUnloadDrivers, /* always called last */ |
||
| 48 | _eglFiniDisplay |
||
| 49 | }, |
||
| 50 | }; |
||
| 51 | |||
| 52 | |||
| 53 | static void |
||
| 54 | _eglAtExit(void) |
||
| 55 | { |
||
| 56 | EGLint i; |
||
| 57 | for (i = _eglGlobal.NumAtExitCalls - 1; i >= 0; i--) |
||
| 58 | _eglGlobal.AtExitCalls[i](); |
||
| 59 | } |
||
| 60 | |||
| 61 | |||
| 62 | void |
||
| 63 | _eglAddAtExitCall(void (*func)(void)) |
||
| 64 | { |
||
| 65 | if (func) { |
||
| 66 | static EGLBoolean registered = EGL_FALSE; |
||
| 67 | |||
| 68 | _eglLockMutex(_eglGlobal.Mutex); |
||
| 69 | |||
| 70 | if (!registered) { |
||
| 71 | atexit(_eglAtExit); |
||
| 72 | registered = EGL_TRUE; |
||
| 73 | } |
||
| 74 | |||
| 75 | assert(_eglGlobal.NumAtExitCalls < ARRAY_SIZE(_eglGlobal.AtExitCalls)); |
||
| 76 | _eglGlobal.AtExitCalls[_eglGlobal.NumAtExitCalls++] = func; |
||
| 77 | |||
| 78 | _eglUnlockMutex(_eglGlobal.Mutex); |
||
| 79 | } |
||
| 80 | } |