summaryrefslogtreecommitdiff
path: root/src/thread/pthread_cond_timedwait.c
diff options
context:
space:
mode:
authorRich Felker <dalias@aerifal.cx>2014-08-22 23:49:54 -0400
committerRich Felker <dalias@aerifal.cx>2014-08-22 23:49:54 -0400
commitb8ca9eb5301580dcf101753451eee196edceefbd (patch)
tree9602bfb40fbb328360bd024d2e416824cea63337 /src/thread/pthread_cond_timedwait.c
parenta6293285e930dbdb0eff47e29b513ca22537b1a2 (diff)
downloadmusl-b8ca9eb5301580dcf101753451eee196edceefbd.tar.gz
fix fallback checks for kernels without private futex support
for unknown syscall commands, the kernel produces ENOSYS, not EINVAL.
Diffstat (limited to 'src/thread/pthread_cond_timedwait.c')
-rw-r--r--src/thread/pthread_cond_timedwait.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/thread/pthread_cond_timedwait.c b/src/thread/pthread_cond_timedwait.c
index c5cf66c3..2d192b07 100644
--- a/src/thread/pthread_cond_timedwait.c
+++ b/src/thread/pthread_cond_timedwait.c
@@ -52,7 +52,7 @@ static inline void unlock_requeue(volatile int *l, volatile int *r, int w)
{
a_store(l, 0);
if (w) __wake(l, 1, 1);
- else __syscall(SYS_futex, l, FUTEX_REQUEUE|128, 0, 1, r) != -EINVAL
+ else __syscall(SYS_futex, l, FUTEX_REQUEUE|128, 0, 1, r) != -ENOSYS
|| __syscall(SYS_futex, l, FUTEX_REQUEUE, 0, 1, r);
}