newlib-2.4.0

git-svn-id: svn://kolibrios.org@6536 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/newlib/libc/stdlib/cxa_atexit.c

@@ -0,0 +1,41 @@
+/*
+ * Implementation of __cxa_atexit.
+ */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <reent.h>
+#include <sys/lock.h>
+#include "atexit.h"
+
+#ifdef _REENT_SMALL
+
+#include "on_exit_args.h"
+
+/* force linking of static instance of _on_exit_args */
+const void * const __cxa_atexit_dummy = &__on_exit_args;
+
+#endif	/* def _REENT_SMALL */
+
+/*
+ * Register a function to be performed at exit or DSO unload.
+ */
+
+int
+_DEFUN (__cxa_atexit,
+	(fn, arg, d),
+	void (*fn) (void *) _AND
+	void *arg _AND
+	void *d)
+{
+#ifdef _LITE_EXIT
+  /* Refer to comments in __atexit.c for more details of lite exit.  */
+  int __register_exitproc _PARAMS ((int, void (*fn) (void), _PTR, _PTR))
+    __attribute__ ((weak));
+
+  if (!__register_exitproc)
+    return 0;
+  else
+#endif
+    return __register_exitproc (__et_cxa, (void (*)(void)) fn, arg, d);
+}