trunk/branch integration: adding new files

Foundation/src/AtomicCounter.cpp

@@ -0,0 +1,171 @@
+//
+// AtomicCounter.cpp
+//
+// $Id: //poco/1.4/Foundation/src/AtomicCounter.cpp#1 $
+//
+// Library: Foundation
+// Package: Core
+// Module:  AtomicCounter
+//
+// Copyright (c) 2009, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Poco/AtomicCounter.h"
+
+
+namespace Poco {
+
+
+#if POCO_OS == POCO_OS_WINDOWS_NT
+//
+// Windows
+//
+AtomicCounter::AtomicCounter():
+	_counter(0)
+{
+}
+
+	
+AtomicCounter::AtomicCounter(AtomicCounter::ValueType initialValue):
+	_counter(initialValue)
+{
+}
+
+
+AtomicCounter::AtomicCounter(const AtomicCounter& counter):
+	_counter(counter.value())
+{
+}
+
+
+AtomicCounter::~AtomicCounter()
+{
+}
+
+
+AtomicCounter& AtomicCounter::operator = (const AtomicCounter& counter)
+{
+	InterlockedExchange(&_counter, counter.value());
+	return *this;
+}
+
+	
+AtomicCounter& AtomicCounter::operator = (AtomicCounter::ValueType value)
+{
+	InterlockedExchange(&_counter, value);
+	return *this;
+}
+
+
+#elif POCO_OS == POCO_OS_MAC_OS_X
+//
+// Mac OS X
+//
+AtomicCounter::AtomicCounter():
+	_counter(0)
+{
+}
+
+	
+AtomicCounter::AtomicCounter(AtomicCounter::ValueType initialValue):
+	_counter(initialValue)
+{
+}
+
+
+AtomicCounter::AtomicCounter(const AtomicCounter& counter):
+	_counter(counter.value())
+{
+}
+
+
+AtomicCounter::~AtomicCounter()
+{
+}
+
+
+AtomicCounter& AtomicCounter::operator = (const AtomicCounter& counter)
+{
+	_counter = counter.value();
+	return *this;
+}
+
+	
+AtomicCounter& AtomicCounter::operator = (AtomicCounter::ValueType value)
+{
+	_counter = value;
+	return *this;
+}
+
+
+#else
+//
+// Generic implementation based on FastMutex
+//
+AtomicCounter::AtomicCounter()
+{
+	_counter.value = 0;
+}
+
+	
+AtomicCounter::AtomicCounter(AtomicCounter::ValueType initialValue)
+{
+	_counter.value = initialValue;
+}
+
+
+AtomicCounter::AtomicCounter(const AtomicCounter& counter)
+{
+	_counter.value = counter.value();
+}
+
+
+AtomicCounter::~AtomicCounter()
+{
+}
+
+
+AtomicCounter& AtomicCounter::operator = (const AtomicCounter& counter)
+{
+	FastMutex::ScopedLock lock(_counter.mutex);
+	_counter.value = counter.value();
+	return *this;
+}
+
+	
+AtomicCounter& AtomicCounter::operator = (AtomicCounter::ValueType value)
+{
+	FastMutex::ScopedLock lock(_counter.mutex);
+	_counter.value = value;
+	return *this;
+}
+
+
+#endif // POCO_OS
+
+
+} // namespace Poco