1 files changed, 56 insertions, 0 deletions
diff --git a/include/comphelper/guarding.hxx b/include/comphelper/guarding.hxx
new file mode 100644
index 000000000000..3931c0284e31
--- /dev/null
+++ b/include/comphelper/guarding.hxx
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you 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 .
+ */
+
+#ifndef _COMPHELPER_GUARDING_HXX_
+#define _COMPHELPER_GUARDING_HXX_
+
+#include <osl/mutex.hxx>
+
+//.........................................................................
+namespace comphelper
+{
+//.........................................................................
+
+// ===================================================================================================
+// = class MutexRelease -
+// ===================================================================================================
+
+/** opposite of OGuard :)
+    (a mutex is released within the constructor and acquired within the desctructor)
+    use only when you're sure the mutex is acquired !
+*/
+template <class MUTEX>
+class ORelease
+{
+    MUTEX&  m_rMutex;
+
+public:
+    ORelease(MUTEX& _rMutex) : m_rMutex(_rMutex) { _rMutex.release(); }
+    ~ORelease() { m_rMutex.acquire(); }
+};
+
+typedef ORelease< ::osl::Mutex >    MutexRelease;
+
+//.........................................................................
+}   // namespace comphelper
+//.........................................................................
+
+#endif // _COMPHELPER_GUARDING_HXX_
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */