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-rw-r--r--src/thread/pthread_create.c5
1 files changed, 1 insertions, 4 deletions
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