X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fexit%2Fexit.c;h=fc2914844959eac78a3f76dccb302ef0d3d8fe25;hp=1ff19dbeeb9b41ba3f9548f05a159ab63cdcacf1;hb=47c2a22fd6adcaf3f27b093df49bd97e3fdc16e7;hpb=f753049a50132a23849ef89a8af5ff86ad595c25

diff --git a/src/exit/exit.c b/src/exit/exit.c
index 1ff19dbe..fc291484 100644
--- a/src/exit/exit.c
+++ b/src/exit/exit.c
@@ -2,6 +2,8 @@
 #include <unistd.h>
 #include <stdio.h>
 #include "libc.h"
+#include "atomic.h"
+#include "syscall.h"
 
 static void dummy()
 {
@@ -16,7 +18,7 @@ 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();