--- Libc/Libc-763.13/stdlib/FreeBSD/exit.c
+++ Libc/Libc-1158.1.2/stdlib/FreeBSD/exit.c
@@ -41,31 +41,17 @@
 #include "atexit.h"
 #include "libc_private.h"
 
+#include <TargetConditionals.h>
+
 void (*__cleanup)(void);
-
-/*
- * This variable is zero until a process has created a thread.
- * It is used to avoid calling locking functions in libc when they
- * are not required. By default, libc is intended to be(come)
- * thread-safe, but without a (significant) penalty to non-threaded
- * processes.
- */
-int	__isthreaded	= 0;
+extern void __exit(int) __attribute__((noreturn));
+#if !TARGET_IPHONE_SIMULATOR && (__i386__ || __x86_64__)
+extern void _tlv_exit();
+#endif
 
 /*
  * Exit, flushing stdio buffers if necessary.
  */
 void
-exit(status)
-	int status;
+exit(int status)
 {
-	/* Ensure that the auto-initialization routine is linked in: */
-	extern int _thread_autoinit_dummy_decl;
-
-	_thread_autoinit_dummy_decl = 1;
-
-	__cxa_finalize(NULL);
-	if (__cleanup)
-		(*__cleanup)();
-	_exit(status);
-}