Add mutex implementation using std::atomic_flag

src/atomic_mutex.cpp

@@ -0,0 +1,19 @@
+#include <sta/atomic_mutex.hpp>
+
+
+namespace sta
+{
+	AtomicMutex::AtomicMutex()
+		: lock_{ATOMIC_FLAG_INIT}
+	{}
+
+	void AtomicMutex::acquire()
+	{
+		while (lock_.test_and_set());
+	}
+
+	void AtomicMutex::release()
+	{
+		lock_.clear();
+	}
+} // namespace sta