/usr/include/pion/PionAdminRights.hpp is in libpion-common-dev 4.0.7+dfsg-3.1ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// pion-common: a collection of common libraries used by the Pion Platform
// -----------------------------------------------------------------------
// Copyright (C) 2007-2008 Atomic Labs, Inc. (http://www.atomiclabs.com)
//
// Distributed under the Boost Software License, Version 1.0.
// See http://www.boost.org/LICENSE_1_0.txt
//
#ifndef __PION_PIONADMINRIGHTS_HEADER__
#define __PION_PIONADMINRIGHTS_HEADER__
#include <pion/PionConfig.hpp>
#include <pion/PionLogger.hpp>
#include <boost/cstdint.hpp>
#include <boost/thread/mutex.hpp>
namespace pion { // begin namespace pion
///
/// PionAdminRights: obtains administrative rights for the process
///
class PION_COMMON_API PionAdminRights {
public:
/**
* constructs object, obtaining administrative rights; will block
* if another thread has already obtained rights
*
* @param use_log if false, then no logging will be performed
*/
PionAdminRights(bool use_log = true);
/// destructor releases administrative rights
virtual ~PionAdminRights() { release(); }
/// releases administrative rights
void release(void);
private:
/// adminisitrator or root user identifier
static const boost::int16_t ADMIN_USER_ID;
/// mutex used to prevent multiple threads from corrupting user id
static boost::mutex m_mutex;
/// primary logging interface used by this class
PionLogger m_logger;
/// lock used to prevent multiple threads from corrupting user id
boost::unique_lock<boost::mutex> m_lock;
/// saved user identifier before upgrading to administrator
boost::int16_t m_user_id;
/// true if the class currently holds administrative rights
bool m_has_rights;
/// if false, then no logging will be performed
bool m_use_log;
};
} // end namespace pion
#endif
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