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-rw-r--r--src/thread/pthread_detach.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/src/thread/pthread_detach.c b/src/thread/pthread_detach.c
index 13482607..d9c90d1c 100644
--- a/src/thread/pthread_detach.c
+++ b/src/thread/pthread_detach.c
@@ -6,11 +6,10 @@ int __pthread_join(pthread_t, void **);
static int __pthread_detach(pthread_t t)
{
/* Cannot detach a thread that's already exiting */
- if (a_swap(t->exitlock, 1))
+ if (a_cas(t->exitlock, 0, INT_MIN + 1))
return __pthread_join(t, 0);
t->detached = 2;
- a_store(t->exitlock, 0);
- __wake(t->exitlock, 1, 1);
+ __unlock(t->exitlock);
return 0;
}