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author | Chia-I Wu <olvaffe@gmail.com> | 2009-08-10 17:35:20 +0800 |
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committer | Brian Paul <brianp@vmware.com> | 2009-08-11 22:14:35 -0600 |
commit | 435c7ac24d8d6f8ddae59f4b66983d7642250d1e (patch) | |
tree | 1ff9c207c6ef065081a28a4844f64d1445c8dae7 /src/egl | |
parent | 0e3687e33dd482115c1a0e39c50b424936cb05a6 (diff) | |
download | external_mesa3d-435c7ac24d8d6f8ddae59f4b66983d7642250d1e.zip external_mesa3d-435c7ac24d8d6f8ddae59f4b66983d7642250d1e.tar.gz external_mesa3d-435c7ac24d8d6f8ddae59f4b66983d7642250d1e.tar.bz2 |
egl: Add _eglAddAtExitCall.
Add a convenient wrapper to register atexit calls. Add mutex to
_eglGlobal along the way.
Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'src/egl')
-rw-r--r-- | src/egl/main/eglglobals.c | 40 | ||||
-rw-r--r-- | src/egl/main/eglglobals.h | 9 |
2 files changed, 49 insertions, 0 deletions
diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c index 8703168..e93b48e 100644 --- a/src/egl/main/eglglobals.c +++ b/src/egl/main/eglglobals.c @@ -1,13 +1,53 @@ #include <stdlib.h> +#include <assert.h> #include "eglglobals.h" #include "egldisplay.h" #include "egllog.h" +#include "eglmutex.h" + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) + + +static _EGL_DECLARE_MUTEX(_eglGlobalMutex); struct _egl_global _eglGlobal = { + &_eglGlobalMutex, /* Mutex */ 1, /* FreeScreenHandle */ 0x0, /* ClientAPIsMask */ { 0x0 }, /* ClientAPIs */ 0, /* NumDrivers */ { NULL }, /* Drivers */ + 0, /* NumAtExitCalls */ + { NULL }, /* AtExitCalls */ }; + + +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); + } +} diff --git a/src/egl/main/eglglobals.h b/src/egl/main/eglglobals.h index 2f3c211..1e2c674 100644 --- a/src/egl/main/eglglobals.h +++ b/src/egl/main/eglglobals.h @@ -4,6 +4,7 @@ #include "egltypedefs.h" #include "eglhash.h" #include "eglcurrent.h" +#include "eglmutex.h" /** @@ -11,6 +12,7 @@ */ struct _egl_global { + _EGLMutex *Mutex; EGLScreenMESA FreeScreenHandle; /* bitmaks of supported APIs (supported by _some_ driver) */ @@ -20,10 +22,17 @@ struct _egl_global EGLint NumDrivers; _EGLDriver *Drivers[10]; + + EGLint NumAtExitCalls; + void (*AtExitCalls[10])(void); }; extern struct _egl_global _eglGlobal; +extern void +_eglAddAtExitCall(void (*func)(void)); + + #endif /* EGLGLOBALS_INCLUDED */ |