/usr/include/deal.II/base/job_identifier.h is in libdeal.ii-dev 8.5.1-3.
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) 1998 - 2015 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE at
// the top level of the deal.II distribution.
//
// ---------------------------------------------------------------------
#ifndef dealii__job_identifier_h
#define dealii__job_identifier_h
#include <deal.II/base/config.h>
#include <string>
DEAL_II_NAMESPACE_OPEN
/**
* Identification of a program run. <tt>JobIdentifier</tt> determines the
* start time of a program run and stores it as a program identifier. There
* exists a library object <tt>dealjobid</tt> of this class. This object can
* be accessed by all output functions to provide an id for the current job.
*
* @ingroup utilities
*/
class JobIdentifier
{
public:
/**
* Constructor. Set program identifier to value of <tt>program_id</tt>
* concatenated with the present time.
*/
JobIdentifier();
/**
* This function returns an identifier for the running program. Currently,
* the library provides a function returning "JobID".
*
* The user may define a replacement of this function in his source code and
* avoid linking the library version. Unfortunately, this mechanism does not
* work with shared libraries.
*/
static const char *program_id();
/**
* Obtain the base name of the file currently being compiled. That is, if
* the file is <tt>mypath/file.cc</tt> return just <tt>file</tt>. Typically,
* this can be called from a program with the argument <tt>__FILE__</tt> and
* is used in the deal.II test suite.
*/
static std::string base_name(const char *filename);
/**
* Return the value of <tt>id</tt>.
*/
const std::string operator () () const;
private:
/**
* String holding the identifier of the presently running program.
*/
std::string id;
};
/*------------------------------ Inline functions ------------------------------*/
/**
* Global object to identify the presently running program.
*/
extern JobIdentifier dealjobid;
DEAL_II_NAMESPACE_CLOSE
#endif
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