From 15740faf9fe9fe4be08965098bbf2947e096aeeb Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 14 Aug 2019 22:50:43 +0800
Subject: +Unity Runtime code

---
 Runtime/Threads/SpinlockMutex.h | 63 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Runtime/Threads/SpinlockMutex.h

(limited to 'Runtime/Threads/SpinlockMutex.h')

diff --git a/Runtime/Threads/SpinlockMutex.h b/Runtime/Threads/SpinlockMutex.h
new file mode 100644
index 0000000..63ca9aa
--- /dev/null
+++ b/Runtime/Threads/SpinlockMutex.h
@@ -0,0 +1,63 @@
+#ifndef __SPINLOCK_MUTEX_H
+#define __SPINLOCK_MUTEX_H
+
+#if UNITY_OSX
+
+#include <libkern/OSAtomic.h>
+
+class SpinlockMutex : public NonCopyable
+{
+public:
+	
+	class AutoLock
+	{
+	public:
+		AutoLock( SpinlockMutex& mutex )
+		: m_Mutex(&mutex)
+		{
+			mutex.Lock();
+		}
+		
+		~AutoLock()
+		{
+			m_Mutex->Unlock();
+		}
+		
+	private:
+		AutoLock(const AutoLock&);
+		AutoLock& operator=(const AutoLock&);
+		
+	private:
+		SpinlockMutex*	m_Mutex;
+	};
+	
+	SpinlockMutex()
+	{
+		m_SpinLock = OS_SPINLOCK_INIT;
+	}
+	
+	~SpinlockMutex()
+	{}
+	
+	void Lock()
+	{
+		OSSpinLockLock(&m_SpinLock);
+	}
+	
+	void Unlock()
+	{
+		OSSpinLockUnlock(&m_SpinLock);
+	}
+	
+private:
+	
+	volatile OSSpinLock m_SpinLock;
+};
+
+#else
+
+typedef Mutex SpinlockMutex;
+
+#endif
+
+#endif
\ No newline at end of file
-- 
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