/usr/include/rlog/Lock.h is in librlog-dev 1.4-2ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Author: Valient Gough <vgough@pobox.com>
*
*****************************************************************************
* Copyright (c) 2004, Valient Gough
*
* This library is free software; you can distribute it and/or modify it under
* the terms of the GNU Lesser General Public License (LGPL), as published by
* the Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* This library 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 LGPL in the file COPYING for more
* details.
*
*/
#ifndef _Lock_incl_
#define _Lock_incl_
#include <rlog/Mutex.h>
namespace rlog
{
/*! @class Lock
Simple helper class or doing locking, so we can be sure the lock is
released when our scope ends for whatever reason..
Usage
@code
func()
{
// mutex released when lock goes out of scope
Lock lock( &mutex );
...
}
@endcode
@internal
*/
class RLOG_DECL Lock
{
public:
Lock( Mutex * mutex )
: _mutex( mutex )
{
_mutex->Lock();
}
~Lock()
{
_mutex->Unlock();
_mutex = 0;
}
Mutex *_mutex;
};
} // namespace rlog
#endif
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