Add original TrueCrypt 7.1a sources

src/Platform/Mutex.h

@@ -0,0 +1,61 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#ifndef TC_HEADER_Platform_Mutex
+#define TC_HEADER_Platform_Mutex
+
+#ifdef TC_WINDOWS
+#	include "System.h"
+#else
+#	include <pthread.h>
+#endif
+#include "PlatformBase.h"
+
+namespace TrueCrypt
+{
+	class Mutex
+	{
+#ifdef TC_WINDOWS
+		typedef CRITICAL_SECTION SystemMutex_t;
+#else
+		typedef pthread_mutex_t SystemMutex_t;
+#endif
+
+	public:
+		Mutex ();
+		~Mutex ();
+
+		SystemMutex_t *GetSystemHandle () { return &SystemMutex; }
+		void Lock ();
+		void Unlock ();
+
+	protected:
+		bool Initialized;
+		SystemMutex_t SystemMutex;
+
+	private:
+		Mutex (const Mutex &);
+		Mutex &operator= (const Mutex &);
+	};
+
+	class ScopeLock
+	{
+	public:
+		ScopeLock (Mutex &mutex) : ScopeMutex (mutex) { mutex.Lock(); }
+		~ScopeLock () { ScopeMutex.Unlock(); }
+
+	protected:
+		Mutex &ScopeMutex;
+
+	private:
+		ScopeLock (const ScopeLock &);
+		ScopeLock &operator= (const ScopeLock &);
+	};
+}
+
+#endif // TC_HEADER_Platform_Mutex