forked from amazingfate/loongoffice
2a78e9ddaf
Change-Id: Ib3e8e89332399eba443d9ff291f694cfceb95af1 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/106726 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#ifndef INCLUDED_SHELL_INC_SPSUPP_COMREFCOUNTED_HPP
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#define INCLUDED_SHELL_INC_SPSUPP_COMREFCOUNTED_HPP
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#include <objbase.h>
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#include <assert.h>
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template <class... Interfaces>
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class COMRefCounted : public Interfaces...
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{
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public:
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COMRefCounted() {}
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virtual ~COMRefCounted() {}
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// IUnknown methods
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ULONG STDMETHODCALLTYPE AddRef() override
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{
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return static_cast<ULONG>(::InterlockedIncrement(&m_nRef));
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}
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ULONG STDMETHODCALLTYPE Release() override
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{
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assert(m_nRef > 0);
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if (::InterlockedDecrement(&m_nRef) == 0)
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{
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delete this;
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return 0;
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}
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return static_cast<ULONG>(m_nRef);
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}
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private:
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LONG m_nRef = 1; // Created referenced
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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