/usr/include/podofo/base/util/PdfMutexImpl_noop.h is in libpodofo-dev 0.9.4-6.
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, Craig Ringer *
* 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. *
***************************************************************************/
#include "../PdfDefines.h"
#include "../PdfDefinesPrivate.h"
#if defined(PODOFO_MULTI_THREAD)
#error "Multi-thread build, a real PdfMutex implementation should be used instead"
#endif
namespace PoDoFo {
namespace Util {
/**
* A platform independent non-reentrant mutex, no-op implementation.
* This version is used if PoDoFo is built without threading support.
*
* PdfMutex is *NOT* part of PoDoFo's public API.
*/
class PdfMutexImpl {
public:
/** Construct a new mutex
*/
inline PdfMutexImpl() { }
inline ~PdfMutexImpl() { }
/**
* Lock the mutex
*/
inline void Lock() { }
/**
* Try locking the mutex.
*
* \returns true if the mutex was locked
* \returns false if the mutex is already locked
* by some other thread
*/
inline bool TryLock() { return true; }
/**
* Unlock the mutex
*/
inline void UnLock() { }
};
}; // Util
}; // PoDoFo
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