Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/sd/inc/misc/scopelock.hxx b/sd/inc/misc/scopelock.hxx
new file mode 100644
index 000000000..544bb5873
--- /dev/null
+++ b/sd/inc/misc/scopelock.hxx
@@ -0,0 +1,51 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <sal/types.h>
+
+namespace sd
+{
+
+class ScopeLock
+{
+    friend class ScopeLockGuard;
+public:
+    ScopeLock() : mnLock(0) {}
+    bool isLocked() const { return mnLock != 0; }
+private:
+    void lock() { mnLock++; }
+    void unlock() { mnLock--; }
+
+    sal_Int32   mnLock;
+};
+
+class ScopeLockGuard
+{
+public:
+    ScopeLockGuard( ScopeLock& rScopeLock ) : mrScopeLock( rScopeLock ) { mrScopeLock.lock(); }
+    ~ScopeLockGuard() { mrScopeLock.unlock(); }
+private:
+    ScopeLock& mrScopeLock;
+};
+
+} // namespace sd
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */