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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/salhelper/refobj.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/salhelper/refobj.hxx')
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+/* -*- 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 .
+ */
+
+/*
+ * This file is part of LibreOffice published API.
+ */
+
+#ifndef INCLUDED_SALHELPER_REFOBJ_HXX
+#define INCLUDED_SALHELPER_REFOBJ_HXX
+
+#include <cassert>
+
+#include "sal/types.h"
+#include "rtl/alloc.h"
+#include "osl/interlck.h"
+
+namespace salhelper
+{
+
+/** A base implementation for reference-counted objects.
+
+ @deprecated use salhelper::SimpleReferenceObject instead
+*/
+class ReferenceObject
+{
+ /** Representation.
+ */
+ oslInterlockedCount m_nReferenceCount;
+
+ ReferenceObject (const ReferenceObject&) SAL_DELETED_FUNCTION;
+ ReferenceObject& operator= (const ReferenceObject&) SAL_DELETED_FUNCTION;
+
+public:
+ /** Allocation.
+ */
+ static void* operator new (size_t n)
+ {
+ return ::rtl_allocateMemory (n);
+ }
+ static void operator delete (void* p)
+ {
+ ::rtl_freeMemory (p);
+ }
+ static void* operator new (size_t, void* p)
+ {
+ return p;
+ }
+ static void operator delete (void*, void*)
+ {}
+
+public:
+ /** Construction.
+ */
+ ReferenceObject() : m_nReferenceCount(0)
+ {}
+
+
+ void SAL_CALL acquire()
+ {
+ osl_atomic_increment(&m_nReferenceCount);
+ }
+
+ void SAL_CALL release()
+ {
+ if (osl_atomic_decrement(&m_nReferenceCount) == 0)
+ {
+ // Last reference released.
+ delete this;
+ }
+ }
+
+protected:
+ /** Destruction.
+ */
+ virtual ~ReferenceObject()
+ {
+ assert(m_nReferenceCount == 0);
+ }
+};
+
+
+} // namespace salhelper
+
+#endif /* ! INCLUDED_SALHELPER_REFOBJ_HXX */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */