/usr/include/licq/thread/mutexlocker.h is in licq-dev 1.6.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | /*
* This file is part of Licq, an instant messaging client for UNIX.
* Copyright (C) 2010 Licq developers
*
* Licq is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Licq is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Licq; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LICQ_MUTEXLOCKER_H
#define LICQ_MUTEXLOCKER_H
#include "mutex.h"
#include <boost/noncopyable.hpp>
namespace Licq
{
/**
* A class that makes mutex handling easier and exception safe.
*
* Create a locker (in a limited scope) and the locker will lock the mutex when
* constructed and unlock it when destructed.
*
* @ingroup thread
*/
class MutexLocker : private boost::noncopyable
{
public:
/**
* Create a MutexLocker and locks the mutex.
* @param mutex An unlocked mutex.
* @pre The mutex is unlocked.
* @post The mutex is locked.
*/
explicit MutexLocker(Mutex& mutex);
/**
* Unlocks the mutex if it is locked.
* @post The mutex is unlocked.
*/
~MutexLocker();
/**
* Relock the mutex if it has been unlocked().
* @pre The mutex is unlocked.
* @post The mutex is locked.
*/
void relock();
/**
* Unlock the mutex explicitly.
* @pre The mutex is locked.
* @post The mutex is unlocked.
*/
void unlock();
private:
Mutex& myMutex;
bool myIsLocked;
};
} // namespace Licq
#endif
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