diff options
Diffstat (limited to 'src/thread/pthread_spin_trylock.c')
| -rw-r--r-- | src/thread/pthread_spin_trylock.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/thread/pthread_spin_trylock.c b/src/thread/pthread_spin_trylock.c index 59de695d..5284fdac 100644 --- a/src/thread/pthread_spin_trylock.c +++ b/src/thread/pthread_spin_trylock.c @@ -1,6 +1,7 @@ #include "pthread_impl.h" +#include <errno.h> int pthread_spin_trylock(pthread_spinlock_t *s) { - return -a_swap(s, 1) & EBUSY; + return a_cas(s, 0, EBUSY); } |