X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_create.c;fp=src%2Fthread%2Fpthread_create.c;h=0567f966e02d26fbfc366631af9919e20ce7378c;hp=6a37ee9be5c760a89923a394276406a027a45e22;hb=c3a6839ce95c0f93bd73f7fbe5fcaee4054e5b62;hpb=6e531f999a82cf39a951e1e9bba3cb80a6eb1464

diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index 6a37ee9b..0567f966 100644
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -12,7 +12,6 @@ weak_alias(dummy_0, __pthread_tsd_run_dtors);
 _Noreturn void pthread_exit(void *result)
 {
 	pthread_t self = pthread_self();
-	int n;
 
 	self->result = result;
 
@@ -38,9 +37,7 @@ _Noreturn void pthread_exit(void *result)
 	 * reasons as well. */
 	__syscall(SYS_rt_sigprocmask, SIG_BLOCK, SIGALL_SET, 0, _NSIG/8);
 
-	do n = libc.threads_minus_1;
-	while (n && a_cas(&libc.threads_minus_1, n, n-1)!=n);
-	if (!n) exit(0);
+	if (a_fetch_add(&libc.threads_minus_1, -1)==0) exit(0);
 
 	if (self->detached && self->map_base) {
 		/* Detached threads must avoid the kernel clear_child_tid