From b8ca9eb5301580dcf101753451eee196edceefbd Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Fri, 22 Aug 2014 23:49:54 -0400 Subject: fix fallback checks for kernels without private futex support for unknown syscall commands, the kernel produces ENOSYS, not EINVAL. --- src/thread/pthread_barrier_wait.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/thread/pthread_barrier_wait.c') diff --git a/src/thread/pthread_barrier_wait.c b/src/thread/pthread_barrier_wait.c index 6b329c95..4a964fe3 100644 --- a/src/thread/pthread_barrier_wait.c +++ b/src/thread/pthread_barrier_wait.c @@ -87,7 +87,7 @@ int pthread_barrier_wait(pthread_barrier_t *b) a_spin(); a_inc(&inst->finished); while (inst->finished == 1) - __syscall(SYS_futex,&inst->finished,FUTEX_WAIT|128,1,0) != -EINTR + __syscall(SYS_futex,&inst->finished,FUTEX_WAIT|128,1,0) != -ENOSYS || __syscall(SYS_futex,&inst->finished,FUTEX_WAIT,1,0); return PTHREAD_BARRIER_SERIAL_THREAD; } -- cgit v1.2.1