From: Rich Felker <dalias@aerifal.cx>
Date: Wed, 3 Aug 2011 01:15:20 +0000 (-0400)
Subject: fix sem_timedwait bug introduced in timedwait unification
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=bdd893377fe65519fae90948cd8f3c635757eaba

fix sem_timedwait bug introduced in timedwait unification

this dec used to be performed by the cancellation handler, which was
called when popped.
---

diff --git a/src/thread/sem_timedwait.c b/src/thread/sem_timedwait.c
index 4e12389c..64b4342c 100644
--- a/src/thread/sem_timedwait.c
+++ b/src/thread/sem_timedwait.c
@@ -13,6 +13,7 @@ int sem_timedwait(sem_t *sem, const struct timespec *at)
 		a_inc(sem->__val+1);
 		a_cas(sem->__val, 0, -1);
 		r = __timedwait(sem->__val, -1, CLOCK_REALTIME, at, cleanup, sem->__val+1, 0);
+		a_dec(sem->__val+1);
 		if (r) {
 			errno = r;
 			return -1;