Xisco Fauli
7003eb6fc6
Change-Id: Ia2732cc041367bc113654bc424ea6621f3961e9f Reviewed-on: https://gerrit.libreoffice.org/c/core/+/211724 Tested-by: Jenkins Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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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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#pragma once
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#include <sal/config.h>
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#include <cassert>
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#include <mutex>
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namespace comphelper
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{
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/// RAII guard: unlocks a unique_lock on construction, relocks on destruction.
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template <typename Mutex = std::mutex> class unique_unlock
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{
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std::unique_lock<Mutex>& m_rLock;
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public:
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explicit unique_unlock(std::unique_lock<Mutex>& rLock)
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: m_rLock(rLock)
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{
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assert(m_rLock.owns_lock());
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if (m_rLock.owns_lock())
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m_rLock.unlock();
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}
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~unique_unlock()
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{
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if (!m_rLock.owns_lock())
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m_rLock.lock();
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}
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unique_unlock(const unique_unlock&) = delete;
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unique_unlock& operator=(const unique_unlock&) = delete;
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};
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} // namespace comphelper
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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