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authorAlan Conway <aconway@apache.org>2007-03-21 01:26:37 +0000
committerAlan Conway <aconway@apache.org>2007-03-21 01:26:37 +0000
commit1fb29f138da337b2b318355477b271dcf2fa13ca (patch)
tree2da3d26e35031c6e7b2587b77bc1d2a9460a9a9c /qpid/cpp-0-9/lib/common/sys/AtomicCount.h
parent7ee9b2a933020efadcba42d6200a786321695507 (diff)
downloadqpid-python-1fb29f138da337b2b318355477b271dcf2fa13ca.tar.gz
* cpp-0-9: svn copy of 0-9 branch cpp, will rename to cpp on next update.
* cpp-0-9/gentools: independent copy of gentools for cpp. Temporary measure till /java and /gentools are at 0-9 * python/tests_0-9: tests from 0-9 branch. * python/qpid/testlib.py: Use tests_0-9 with 0-9 spec (default is still 0-8) git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk@520690 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'qpid/cpp-0-9/lib/common/sys/AtomicCount.h')
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diff --git a/qpid/cpp-0-9/lib/common/sys/AtomicCount.h b/qpid/cpp-0-9/lib/common/sys/AtomicCount.h
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+++ b/qpid/cpp-0-9/lib/common/sys/AtomicCount.h
@@ -0,0 +1,53 @@
+#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 "ScopedIncrement.h"
+
+namespace qpid {
+namespace sys {
+
+/**
+ * Atomic counter.
+ */
+class AtomicCount : boost::noncopyable {
+ public:
+ typedef ScopedDecrement<AtomicCount> ScopedDecrement;
+ typedef 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