#include <stdlib.h>
+#include <assert.h>
#include "eglglobals.h"
-#include "egllog.h"
+#include "egldisplay.h"
+#include "egldriver.h"
+#include "eglmutex.h"
-struct _egl_global _eglGlobal =
-{
- EGL_FALSE
-};
-/**
- * Init the fields in the _eglGlobal struct
- * May be safely called more than once.
- */
-void
-_eglInitGlobals(void)
+static _EGL_DECLARE_MUTEX(_eglGlobalMutex);
+struct _egl_global _eglGlobal =
{
- if (!_eglGlobal.Initialized) {
- _eglGlobal.Displays = _eglNewHashTable();
- _eglGlobal.Surfaces = _eglNewHashTable();
- _eglGlobal.FreeScreenHandle = 1;
- _eglGlobal.Initialized = EGL_TRUE;
+ &_eglGlobalMutex, /* Mutex */
+ NULL, /* DisplayList */
+ 2, /* NumAtExitCalls */
+ {
+ /* default AtExitCalls, called in reverse order */
+ _eglUnloadDrivers, /* always called last */
+ _eglFiniDisplay
+ },
+};
- _eglGlobal.ClientAPIsMask = 0x0;
- if (!_eglInitCurrent())
- _eglLog(_EGL_FATAL, "failed to initialize \"current\" system");
- }
+static void
+_eglAtExit(void)
+{
+ EGLint i;
+ for (i = _eglGlobal.NumAtExitCalls - 1; i >= 0; i--)
+ _eglGlobal.AtExitCalls[i]();
}
-/**
- * Should call this via an atexit handler.
- */
void
-_eglDestroyGlobals(void)
+_eglAddAtExitCall(void (*func)(void))
{
- _eglFiniCurrent();
- /* XXX TODO walk over table entries, deleting each */
- _eglDeleteHashTable(_eglGlobal.Displays);
- _eglDeleteHashTable(_eglGlobal.Surfaces);
+ 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);
+ }
}