/usr/include/synfig-0.0/synfig/mutex.h is in libsynfig-dev 0.64.2-1.
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 mutex.h
** \brief Template Header
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
** This package 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 package 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.
** \endlegal
*/
/* ========================================================================= */
/* === S T A R T =========================================================== */
#ifndef __SYNFIG_MUTEX_H
#define __SYNFIG_MUTEX_H
/* === H E A D E R S ======================================================= */
/* === M A C R O S ========================================================= */
/* === T Y P E D E F S ===================================================== */
/* === C L A S S E S & S T R U C T S ======================================= */
namespace synfig {
class RecMutex;
class Mutex
{
friend class RecMutex;
protected:
void* blackbox;
public:
class Lock
{
Mutex& mutex;
public:
Lock(Mutex& x):mutex(x) { mutex.lock(); }
~Lock() { mutex.unlock(); }
};
Mutex();
~Mutex();
void lock();
void unlock();
bool try_lock();
bool is_locked();
private:
//! Non-copyable
Mutex(const Mutex&);
//! Non-assignable
void operator=(const Mutex&);
};
class RecMutex : public Mutex
{
public:
RecMutex();
void unlock_all();
};
class RWLock
{
void* blackbox;
public:
class ReaderLock
{
RWLock& rw_lock;
public:
ReaderLock(RWLock& x):rw_lock(x) { rw_lock.reader_lock(); }
~ReaderLock() { rw_lock.reader_unlock(); }
};
class WriterLock
{
RWLock& rw_lock;
public:
WriterLock(RWLock& x):rw_lock(x) { rw_lock.writer_lock(); }
~WriterLock() { rw_lock.writer_unlock(); }
};
RWLock();
~RWLock();
void reader_lock();
void reader_unlock();
bool reader_trylock();
void writer_lock();
void writer_unlock();
bool writer_trylock();
};
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif
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