1 files changed, 120 insertions, 0 deletions
diff --git a/cpp/include/IceUtil/AbstractMutex.h b/cpp/include/IceUtil/AbstractMutex.h
new file mode 100644
index 00000000000..9d54a33c713
--- /dev/null
+++ b/cpp/include/IceUtil/AbstractMutex.h
@@ -0,0 +1,120 @@
+// **********************************************************************
+//
+// Copyright (c) 2003
+// ZeroC, Inc.
+// Billerica, MA, USA
+//
+// All Rights Reserved.
+//
+// Ice is free software; you can redistribute it and/or modify it under
+// the terms of the GNU General Public License version 2 as published by
+// the Free Software Foundation.
+//
+// **********************************************************************
+
+#ifndef ICE_UTIL_ABSTRACT_MUTEX_H
+#define ICE_UTIL_ABSTRACT_MUTEX_H
+
+#include <IceUtil/Config.h>
+#include <IceUtil/Lock.h>
+
+namespace IceUtil
+{
+
+class AbstractMutex
+{
+public:
+    
+    typedef LockT<AbstractMutex> Lock;
+    typedef TryLockT<AbstractMutex> TryLock;
+
+    virtual void lock() const = 0;
+    virtual void unlock() const = 0;
+    virtual bool tryLock() const = 0;
+};
+
+template <typename T>
+class AbstractMutexI : public AbstractMutex, public T
+{
+public:
+
+    typedef LockT<AbstractMutexI> Lock;
+    typedef TryLockT<AbstractMutexI> TryLock;
+
+    virtual void lock() const
+    {
+	T::lock();
+    }
+
+    virtual void unlock() const
+    {
+	T::unlock();
+    }
+
+    virtual bool tryLock() const
+    {
+	return T::tryLock();
+    }
+
+    virtual ~AbstractMutexI()
+    {}
+};
+
+template <typename T>
+class AbstractMutexReadI : public AbstractMutex, public T
+{
+public:
+
+    typedef LockT<AbstractMutexReadI> Lock;
+    typedef TryLockT<AbstractMutexReadI> TryLock;
+
+    virtual void lock() const
+    {
+	readLock();
+    }
+
+    virtual void unlock() const
+    {
+	T::unlock();
+    }
+
+    virtual bool tryLock() const
+    {
+	return T::tryReadLock();
+    }
+
+    virtual ~AbstractMutexReadI()
+    {}
+};
+
+template <typename T>
+class AbstractMutexWriteI : public AbstractMutex, public T
+{
+public:
+
+    typedef LockT<AbstractMutexWriteI> Lock;
+    typedef TryLockT<AbstractMutexWriteI> TryLock;
+
+    virtual void lock() const
+    {
+	writeLock();
+    }
+
+    virtual void unlock() const
+    {
+	T::unlock();
+    }
+
+    virtual bool tryLock() const
+    {
+	return T::tryWriteLock();
+    }
+
+    virtual ~AbstractMutexWriteI()
+    {}
+};
+
+
+}
+
+#endif