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Filename : prg_exec_monitor.hpp
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//  (C) Copyright Gennadiy Rozental 2001.
//  Distributed under the Boost Software License, Version 1.0.
//  (See accompanying file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/test for the library home page.
//
/// @file
/// @brief Entry point for the end user into the Program Execution Monitor.
///
/// Use this header to forward declare function prg_exec_monitor_main and to automatically define a main
/// function for you. If you prefer to use your own main you are free to do so, but you need to define
/// BOOST_TEST_NO_MAIN before incuding this header. To initiate your main program body execution you
/// would use statement like this:
/// @code ::boost::prg_exec_monitor_main( &my_main, argc, argv ); @endcode
/// Also this header facilitate auto linking with the Program Execution Monitor library if this feature
/// is supported
// ***************************************************************************

#ifndef BOOST_PRG_EXEC_MONITOR_HPP_071894GER
#define BOOST_PRG_EXEC_MONITOR_HPP_071894GER

#include <boost/test/detail/config.hpp>

//____________________________________________________________________________//

// ************************************************************************** //
// **************                 Auto Linking                 ************** //
// ************************************************************************** //

// Automatically link to the correct build variant where possible.
#if !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_TEST_NO_LIB) && \
    !defined(BOOST_TEST_SOURCE) && !defined(BOOST_TEST_INCLUDED)
#  define BOOST_LIB_NAME boost_prg_exec_monitor

// If we're importing code from a dll, then tell auto_link.hpp about it:
#  if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_TEST_DYN_LINK)
#    define BOOST_DYN_LINK
#  endif

#  include <boost/config/auto_link.hpp>

#endif  // auto-linking disabled

// ************************************************************************** //
// **************               prg_exec_monitor_main          ************** //
// ************************************************************************** //

namespace boost {

/// @brief Wrapper around the main function
///
/// Call this routine instead of your own main body implementation directly. This routine impements all the monitoring
/// functionality. THe monitor behavior is configurable by using the environment variable BOOST_TEST_CATCH_SYSTEM_ERRORS.
/// If set to string value "no", the monitor will not attempt to catch system errors (signals)
/// @param[in] cpp_main main function body. Should have the same signature as regular main function
/// @param[in] argc, argv command line arguments
int BOOST_TEST_DECL prg_exec_monitor_main( int (*cpp_main)( int argc, char* argv[] ), int argc, char* argv[] );

} // boost

#if defined(BOOST_TEST_DYN_LINK) && !defined(BOOST_TEST_NO_MAIN)

// ************************************************************************** //
// **************        main function for tests using dll     ************** //
// ************************************************************************** //

// prototype for user's cpp_main()
int cpp_main( int argc, char* argv[] );

int BOOST_TEST_CALL_DECL
main( int argc, char* argv[] )
{
    return ::boost::prg_exec_monitor_main( &cpp_main, argc, argv );
}

//____________________________________________________________________________//

#endif // BOOST_TEST_DYN_LINK && !BOOST_TEST_NO_MAIN

#endif // BOOST_PRG_EXEC_MONITOR_HPP_071894GER