X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fsem_post.c;h=8f4700c3058a4735516a5ae94330fb59df004234;hb=eb0e8fa0b1960cff4bd65ebefc798f70273b0bc9;hp=0bd8a4621116bba5f49c9e70478ce856adb88239;hpb=6fc5fdbdc70dd17ea8e681a361fb4dae541ee953;p=musl

diff --git a/src/thread/sem_post.c b/src/thread/sem_post.c
index 0bd8a462..8f4700c3 100644
--- a/src/thread/sem_post.c
+++ b/src/thread/sem_post.c
@@ -3,7 +3,8 @@
 
 int sem_post(sem_t *sem)
 {
-	if (!a_fetch_add(sem->__val, 1))
+	a_inc(sem->__val);
+	if (sem->__val[1])
 		__wake(sem->__val, 1, 0);
 	return 0;
 }