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-rw-r--r--core/os/spin_lock.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/core/os/spin_lock.h b/core/os/spin_lock.h
index 93ea782b60..d386cd5890 100644
--- a/core/os/spin_lock.h
+++ b/core/os/spin_lock.h
@@ -33,6 +33,25 @@
#include "core/typedefs.h"
+#if defined(__APPLE__)
+
+#include <os/lock.h>
+
+class SpinLock {
+ mutable os_unfair_lock _lock = OS_UNFAIR_LOCK_INIT;
+
+public:
+ _ALWAYS_INLINE_ void lock() const {
+ os_unfair_lock_lock(&_lock);
+ }
+
+ _ALWAYS_INLINE_ void unlock() const {
+ os_unfair_lock_unlock(&_lock);
+ }
+};
+
+#else
+
#include <atomic>
class SpinLock {
@@ -49,4 +68,6 @@ public:
}
};
+#endif // __APPLE__
+
#endif // SPIN_LOCK_H