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57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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This file is part of libkabc.
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Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef KABC_LOCKNULL_H
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#define KABC_LOCKNULL_H
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#include "lock.h"
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#include <QtCore/QString>
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namespace KABC {
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/**
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This class provides a lock without actually locking. It can be constructed in
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two ways: One that let all locks succeed and one that let all locks fail.
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*/
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class KABC_DEPRECATED_EXPORT LockNull : public Lock
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{
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public:
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/**
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Creates an instance of the null lock.
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@param allowAccess if @c true all calls to lock() will "succeed",
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if @c false all calls to lock() will "fail"
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*/
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LockNull( bool allowAccess );
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~LockNull();
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bool lock();
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bool unlock();
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QString error() const;
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private:
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class Private;
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Private *const d;
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};
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}
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#endif
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