summaryrefslogtreecommitdiff
path: root/src/thread/sem_post.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/thread/sem_post.c')
-rw-r--r--src/thread/sem_post.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/thread/sem_post.c b/src/thread/sem_post.c
index 14a2dfe2..31e3293d 100644
--- a/src/thread/sem_post.c
+++ b/src/thread/sem_post.c
@@ -3,7 +3,7 @@
int sem_post(sem_t *sem)
{
- int val, waiters;
+ int val, waiters, priv = sem->__val[2];
do {
val = sem->__val[0];
waiters = sem->__val[1];
@@ -12,6 +12,6 @@ int sem_post(sem_t *sem)
return -1;
}
} while (a_cas(sem->__val, val, val+1+(val<0)) != val);
- if (val<0 || waiters) __wake(sem->__val, 1, 0);
+ if (val<0 || waiters) __wake(sem->__val, 1, priv);
return 0;
}