1 files changed, 52 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/sys/AtomicCount.h b/qpid/cpp/src/qpid/sys/AtomicCount.h
new file mode 100644
index 0000000000..94580c61f3
--- /dev/null
+++ b/qpid/cpp/src/qpid/sys/AtomicCount.h
@@ -0,0 +1,52 @@
+#ifndef _posix_AtomicCount_h
+#define _posix_AtomicCount_h
+
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <boost/detail/atomic_count.hpp>
+#include "qpid/sys/ScopedIncrement.h"
+
+namespace qpid {
+namespace sys {
+
+/**
+ * Atomic counter.
+ */
+class AtomicCount {
+  public:
+    typedef ::qpid::sys::ScopedDecrement<AtomicCount> ScopedDecrement;
+    typedef ::qpid::sys::ScopedIncrement<AtomicCount> ScopedIncrement;
+
+    AtomicCount(long value = 0) : count(value) {}
+    
+    void operator++() { ++count ; }
+    
+    long operator--() { return --count; }
+    
+    operator long() const { return count; }
+
+  private:
+    boost::detail::atomic_count  count;
+};
+
+
+}}
+
+
+#endif // _posix_AtomicCount_h