/usr/include/podofo/base/util/PdfMutexWrapper.h is in libpodofo-dev 0.9.3-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2008 by Dominik Seichter *
* domseichter@web.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library 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 for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* In addition, as a special exception, the copyright holders give *
* permission to link the code of portions of this program with the *
* OpenSSL library under certain conditions as described in each *
* individual source file, and distribute linked combinations *
* including the two. *
* You must obey the GNU General Public License in all respects *
* for all of the code used other than OpenSSL. If you modify *
* file(s) with this exception, you may extend this exception to your *
* version of the file(s), but you are not obligated to do so. If you *
* do not wish to do so, delete this exception statement from your *
* version. If you delete this exception statement from all source *
* files in the program, then also delete it here. *
***************************************************************************/
#ifndef _PDF_MUTEX_WRAPPER_H_
#define _PDF_MUTEX_WRAPPER_H_
#include "../PdfDefines.h"
#include "PdfMutex.h"
namespace PoDoFo {
namespace Util {
/**
* A wrapper around PdfMutex.
* The mutex is locked in the constructor
* and unlocked in the destructor.
*
* In debug builds all exceptions thrown by the mutex implementation
* are caught and logged before being rethrown.
*
* Note that PdfMutexWrapper is *not* part of PoDoFo's public API.
*/
class PdfMutexWrapper {
public:
/** Lock a mutex.
*
* \param rMutex the mutex to be locked.
*/
PODOFO_NOTHROW inline PdfMutexWrapper( PdfMutex & rMutex );
/** Unlocks the mutex on destruction
*/
inline ~PdfMutexWrapper();
private:
/** default constructor, not implemented
*/
PdfMutexWrapper(void);
/** copy constructor, not implemented
*/
PdfMutexWrapper(const PdfMutexWrapper& rhs);
/** assignment operator, not implemented
*/
PdfMutexWrapper& operator=(const PdfMutexWrapper& rhs);
PdfMutex& m_rMutex;
};
PdfMutexWrapper::PdfMutexWrapper( PdfMutex & rMutex )
: m_rMutex( rMutex )
{
m_rMutex.Lock();
}
PdfMutexWrapper::~PdfMutexWrapper()
{
#if defined(DEBUG)
try {
m_rMutex.UnLock();
}
catch( const PdfError & rError )
{
rError.PrintErrorMsg();
throw rError;
}
#else
m_rMutex.UnLock();
#endif
}
}; // Util
}; // PoDoFo
#endif // _PDF_MUTEX_H_
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