add working a_spin() atomic for non-x86 targets

[musl] / arch / or1k / atomic.h

diff --git a/arch/or1k/atomic.h b/arch/or1k/atomic.h
index 5b0411b..f9e6981 100644 (file)
--- a/arch/or1k/atomic.h
+++ b/arch/or1k/atomic.h
@@ -74,6 +74,7 @@ static inline void a_store(volatile int *p, int x)
 
 static inline void a_spin()
 {
+       a_cas(&(int){0}, 0, 0);
 }
 
 static inline void a_crash()