/usr/include/visp/vpMutex.h is in libvisp-dev 2.9.0-3+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* $Id: vpMutex.h 4574 2014-01-09 08:48:51Z fspindle $
*
*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2014 by INRIA. All rights reserved.
*
* This software is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact INRIA about acquiring a ViSP Professional
* Edition License.
*
* See http://www.irisa.fr/lagadic/visp/visp.html for more information.
*
* This software was developed at:
* INRIA Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
* http://www.irisa.fr/lagadic
*
* If you have questions regarding the use of this file, please contact
* INRIA at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*
* Description:
* Mutex protection.
*
* Authors:
* Celine Teuliere
*
*****************************************************************************/
#ifndef __VP_MUTEX__
#define __VP_MUTEX__
#include <visp/vpConfig.h>
#include <visp/vpException.h>
#ifdef VISP_HAVE_PTHREAD
#include <pthread.h>
/*!
\class vpMutex
\ingroup Mutex
\brief Class that allows protection by mutex.
\warning This class needs the pthread third-party library.
*/
class VISP_EXPORT vpMutex {
public:
vpMutex() {
pthread_mutex_init( &m_mutex, NULL );
}
void lock() {
pthread_mutex_lock( &m_mutex );
}
void unlock() {
pthread_mutex_unlock( &m_mutex );
}
/*!
\class vpScopedLock
\ingroup Mutex
\brief Class that allows protection by mutex.
\warning This class needs the pthread third-party library.
*/
class VISP_EXPORT vpScopedLock
{
private:
vpMutex & _mutex;
public:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
void operator=(const vpScopedLock &){
throw vpException(vpException::functionNotImplementedError,"Not implemented!");
}
#endif
vpScopedLock(vpMutex & mutex)
: _mutex(mutex)
{
_mutex.lock();
}
~vpScopedLock()
{
_mutex.unlock();
}
};
private:
pthread_mutex_t m_mutex;
};
#endif
#endif
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