1 files changed, 6 insertions, 0 deletions
diff --git a/src/thread/pthread_spin_trylock.c b/src/thread/pthread_spin_trylock.c
new file mode 100644
index 0000000..c12696b
--- /dev/null
+++ b/src/thread/pthread_spin_trylock.c
@@ -0,0 +1,6 @@
+#include "pthread_impl.h"
+
+int pthread_spin_trylock(pthread_spinlock_t *s)
+{
+	return -a_xchg(s, 1) & EBUSY;
+}