X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fegl%2Fmain%2Feglglobals.c;h=52eebb07f6c4e3959c45929f659fcabe079ef613;hb=a8b6b6555c7d6a02a3d095c72ebbdc218bc45cd3;hp=870316865007ecd6e16ea0dd3a74bf52d405758a;hpb=0e3687e33dd482115c1a0e39c50b424936cb05a6;p=mesa.git

diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c
index 87031686500..52eebb07f6c 100644
--- a/src/egl/main/eglglobals.c
+++ b/src/egl/main/eglglobals.c
@@ -1,13 +1,50 @@
 #include <stdlib.h>
+#include <assert.h>
 #include "eglglobals.h"
 #include "egldisplay.h"
-#include "egllog.h"
+#include "egldriver.h"
+#include "eglmutex.h"
 
+
+static _EGL_DECLARE_MUTEX(_eglGlobalMutex);
 struct _egl_global _eglGlobal =
 {
-   1,                      /* FreeScreenHandle */
-   0x0,                    /* ClientAPIsMask */
-   { 0x0 },                /* ClientAPIs */
-   0,                      /* NumDrivers */
-   { NULL },               /* Drivers */
+   &_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);
+   }
+}