X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fexit%2Fexit.c;h=e4aeaf1589938da1f886fb740a7b46a76f94a275;hp=1ff19dbeeb9b41ba3f9548f05a159ab63cdcacf1;hb=fcfba99503746e44585d7e318562dd425e8ff390;hpb=f753049a50132a23849ef89a8af5ff86ad595c25

diff --git a/src/exit/exit.c b/src/exit/exit.c
index 1ff19dbe..e4aeaf15 100644
--- a/src/exit/exit.c
+++ b/src/exit/exit.c
@@ -2,29 +2,30 @@
 #include <unistd.h>
 #include <stdio.h>
 #include "libc.h"
+#include "atomic.h"
+#include "syscall.h"
 
 static void dummy()
 {
 }
 
-/* __towrite.c and atexit.c override these */
+/* __toread.c, __towrite.c, and atexit.c override these */
 weak_alias(dummy, __funcs_on_exit);
-weak_alias(dummy, __fflush_on_exit);
+weak_alias(dummy, __flush_on_exit);
+weak_alias(dummy, __seek_on_exit);
 
 void exit(int code)
 {
 	static int lock;
 
 	/* If more than one thread calls exit, hang until _Exit ends it all */
-	LOCK(&lock);
+	while (a_swap(&lock, 1)) __syscall(SYS_pause);
 
-	/* Only do atexit & stdio flush if they were actually used */
 	__funcs_on_exit();
-	__fflush_on_exit();
-
-	/* Destructor s**t is kept separate from atexit to avoid bloat */
 	if (libc.fini) libc.fini();
 	if (libc.ldso_fini) libc.ldso_fini();
+	__flush_on_exit();
+	__seek_on_exit();
 
 	_Exit(code);
 	for(;;);