diff options
-rw-r--r-- | src/thread/sem_open.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/thread/sem_open.c b/src/thread/sem_open.c index de8555c5..6fb0c5b2 100644 --- a/src/thread/sem_open.c +++ b/src/thread/sem_open.c @@ -163,10 +163,12 @@ int sem_close(sem_t *sem) int i; LOCK(lock); for (i=0; i<SEM_NSEMS_MAX && semtab[i].sem != sem; i++); - if (!--semtab[i].refcnt) { - semtab[i].sem = 0; - semtab[i].ino = 0; + if (--semtab[i].refcnt) { + UNLOCK(lock); + return 0; } + semtab[i].sem = 0; + semtab[i].ino = 0; UNLOCK(lock); munmap(sem, sizeof *sem); return 0; |