/usr/include/barry18/barry/scoped_lock.h is in libbarry-dev 0.18.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/// \file scoped_lock.h
/// Simple scope class for dealing with pthread mutex locking.
///
/*
Copyright (C) 2008-2013, Net Direct Inc. (http://www.netdirect.ca/)
This program 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.
This program 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 in the COPYING file at the
root directory of this project for more details.
*/
#ifndef __BARRY_SCOPED_LOCK_H__
#define __BARRY_SCOPED_LOCK_H__
#include <pthread.h>
namespace Barry {
class scoped_lock
{
pthread_mutex_t *m_mutex;
public:
scoped_lock(pthread_mutex_t &mutex)
: m_mutex(&mutex)
{
while( pthread_mutex_lock(m_mutex) != 0 )
;
}
~scoped_lock()
{
unlock();
}
void unlock()
{
if( m_mutex ) {
pthread_mutex_unlock(m_mutex);
m_mutex = 0;
}
}
};
} // namespace Barry
#endif
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