godot/core/spin_lock.h

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#ifndef SPIN_LOCK_H
#define SPIN_LOCK_H
#include "core/typedefs.h"
#include <atomic>
class SpinLock {
std::atomic_flag locked = ATOMIC_FLAG_INIT;
public:
_ALWAYS_INLINE_ void lock() {
while (locked.test_and_set(std::memory_order_acquire)) {
;
}
}
_ALWAYS_INLINE_ void unlock() {
locked.clear(std::memory_order_release);
}
};
#endif // SPIN_LOCK_H