ian@0: //
ian@0: // Boost.Process
ian@0: // ~~~~~~~~~~~~~
ian@0: //
ian@0: // Copyright (c) 2006, 2007 Julio M. Merino Vidal
ian@0: // Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
ian@0: // Copyright (c) 2009 Boris Schaeling
ian@0: // Copyright (c) 2010 Felipe Tanus, Boris Schaeling
ian@0: //
ian@0: // Distributed under the Boost Software License, Version 1.0. (See accompanying
ian@0: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
ian@0: //
ian@0: 
ian@0: /**
ian@0:  * \file boost/process/config.hpp
ian@0:  *
ian@0:  * Defines macros that are used by the library to determine the operating
ian@0:  * system it is running under and the features it supports.
ian@0:  */
ian@0: 
ian@0: #ifndef BOOST_PROCESS_CONFIG_HPP
ian@0: #define BOOST_PROCESS_CONFIG_HPP
ian@0: 
ian@0: #include <boost/config.hpp>
ian@0: #include <boost/system/config.hpp>
ian@0: #include <boost/system/system_error.hpp>
ian@0: #include <boost/throw_exception.hpp>
ian@0: 
ian@0: #if defined(BOOST_POSIX_API)
ian@0: #   include <errno.h>
ian@0: #elif defined(BOOST_WINDOWS_API)
ian@0: #   include <windows.h>
ian@0: #endif
ian@0: 
ian@0: #if defined(BOOST_POSIX_API) || defined(BOOST_PROCESS_DOXYGEN)
ian@0: #   if !defined(BOOST_PROCESS_POSIX_PATH_MAX) || defined(BOOST_PROCESS_DOXYGEN)
ian@0: /**
ian@0:  * Specifies the system's maximal supported path length.
ian@0:  *
ian@0:  * The macro BOOST_PROCESS_POSIX_PATH_MAX is set to a positive integer
ian@0:  * value which specifies the system's maximal supported path length. It is
ian@0:  * only used if neither PATH_MAX nor _PC_PATH_MAX and HAVE_PATHCONF are defined.
ian@0:  * The maximal supported path length is required by
ian@0:  * boost::process::self::get_work_dir(). Please note that this function is
ian@0:  * also called by the constructor of boost::process::context.
ian@0:  */
ian@0: #       define BOOST_PROCESS_POSIX_PATH_MAX 259
ian@0: #   endif
ian@0: #endif
ian@0: 
ian@0: /** \cond */
ian@0: #define BOOST_PROCESS_SOURCE_LOCATION \
ian@0:     "in file '" __FILE__ "', line " BOOST_STRINGIZE(__LINE__) ": "
ian@0: 
ian@0: #if defined(BOOST_POSIX_API)
ian@0: #   define BOOST_PROCESS_LAST_ERROR errno
ian@0: #elif defined(BOOST_WINDOWS_API)
ian@0: #   define BOOST_PROCESS_LAST_ERROR GetLastError()
ian@0: #endif
ian@0: 
ian@0: #define BOOST_PROCESS_THROW_LAST_SYSTEM_ERROR(what) \
ian@0:     boost::throw_exception(boost::system::system_error( \
ian@0:         boost::system::error_code(BOOST_PROCESS_LAST_ERROR, \
ian@0:             boost::system::get_system_category()), \
ian@0:         BOOST_PROCESS_SOURCE_LOCATION what))
ian@0: 
ian@0: #define BOOST_PROCESS_THROW_ERROR(error, what) \
ian@0:     boost::throw_exception(boost::system::system_error( \
ian@0:         boost::system::error_code(error, \
ian@0:             boost::system::get_system_category()), \
ian@0:         BOOST_PROCESS_SOURCE_LOCATION what))
ian@0: /** \endcond */
ian@0: 
ian@0: #endif