summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorBobby Bingham <koorogi@koorogi.info>2016-05-07 13:48:21 -0500
committerRich Felker <dalias@aerifal.cx>2016-06-30 21:47:24 -0400
commit3d98146146dbe138b380ea7d7f9b93139d768828 (patch)
tree0c8baa7b8ef93d388fa403d83a4560f39e3fa76c /src
parent6d38c9cf80f47623e5e48190046673bbd0dc410b (diff)
downloadmusl-3d98146146dbe138b380ea7d7f9b93139d768828.tar.gz
pthread: implement try/timed join variants
Diffstat (limited to 'src')
-rw-r--r--src/thread/pthread_join.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/src/thread/pthread_join.c b/src/thread/pthread_join.c
index 694d377a..52111489 100644
--- a/src/thread/pthread_join.c
+++ b/src/thread/pthread_join.c
@@ -5,18 +5,32 @@ int __munmap(void *, size_t);
void __pthread_testcancel(void);
int __pthread_setcancelstate(int, int *);
-int __pthread_join(pthread_t t, void **res)
+int __pthread_timedjoin_np(pthread_t t, void **res, const struct timespec *at)
{
- int tmp, cs;
+ int tmp, cs, r = 0;
__pthread_testcancel();
__pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
if (cs == PTHREAD_CANCEL_ENABLE) __pthread_setcancelstate(cs, 0);
- while ((tmp = t->tid)) __timedwait_cp(&t->tid, tmp, 0, 0, 0);
+ while ((tmp = t->tid) && r != ETIMEDOUT && r != EINVAL)
+ r = __timedwait_cp(&t->tid, tmp, CLOCK_REALTIME, at, 0);
__pthread_setcancelstate(cs, 0);
+ if (r == ETIMEDOUT || r == EINVAL) return r;
a_barrier();
if (res) *res = t->result;
if (t->map_base) __munmap(t->map_base, t->map_size);
return 0;
}
+int __pthread_join(pthread_t t, void **res)
+{
+ return __pthread_timedjoin_np(t, res, 0);
+}
+
+int __pthread_tryjoin_np(pthread_t t, void **res)
+{
+ return t->tid ? EBUSY : __pthread_join(t, res);
+}
+
+weak_alias(__pthread_tryjoin_np, pthread_tryjoin_np);
+weak_alias(__pthread_timedjoin_np, pthread_timedjoin_np);
weak_alias(__pthread_join, pthread_join);