1 files changed, 40 insertions, 0 deletions
diff --git a/include/corecg/SkThread.h b/include/corecg/SkThread.h
new file mode 100644
index 0000000000..ac548c476c
--- /dev/null
+++ b/include/corecg/SkThread.h
@@ -0,0 +1,40 @@
+#ifndef SkThread_DEFINED
+#define SkThread_DEFINED
+
+#include "SkTypes.h"
+#include "SkThread_platform.h"
+
+/****** SkThread_platform needs to define the following...
+
+int32_t sk_atomic_inc(int32_t*);
+int32_t sk_atomic_dec(int32_t*);
+
+class SkMutex {
+public:
+	SkMutex();
+	~SkMutex();
+
+	void	acquire();
+	void	release();
+};
+
+****************/
+
+class SkAutoMutexAcquire {
+public:
+	explicit SkAutoMutexAcquire(SkMutex& mutex) : fMutex(mutex)
+	{
+		mutex.acquire();
+	}
+	~SkAutoMutexAcquire()
+	{
+		fMutex.release();
+	}
+private:
+	SkMutex&	fMutex;
+
+	// illegal
+	SkAutoMutexAcquire& operator=(SkAutoMutexAcquire&);
+};
+
+#endif