120 lines
3.1 KiB
C++
120 lines
3.1 KiB
C++
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// Copyright (c) 2006, 2007 Julio M. Merino Vidal
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// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
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// Copyright (c) 2009 Boris Schaeling
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// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
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// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
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// Copyright (c) 2016 Klemens D. Morgenstern
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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/**
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* \file boost/process/config.hpp
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*
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* Defines various macros.
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*/
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#ifndef BOOST_PROCESS_DETAIL_CONFIG_HPP
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#define BOOST_PROCESS_DETAIL_CONFIG_HPP
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#include <boost/config.hpp>
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#include <system_error>
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#include <boost/system/api_config.hpp>
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#include <boost/process/exception.hpp>
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#if defined(BOOST_POSIX_API)
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#include <errno.h>
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#if defined(__GLIBC__)
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#include <features.h>
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#else
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extern char **environ;
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#endif
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#elif defined(BOOST_WINDOWS_API)
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#include <boost/winapi/get_last_error.hpp>
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#else
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#error "System API not supported by boost.process"
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#endif
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namespace boost { namespace process { namespace detail
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{
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#if !defined(BOOST_PROCESS_PIPE_SIZE)
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#define BOOST_PROCESS_PIPE_SIZE 1024
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#endif
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#if defined(BOOST_POSIX_API)
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namespace posix {namespace extensions {}}
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namespace api = posix;
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inline std::error_code get_last_error() noexcept
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{
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return std::error_code(errno, std::system_category());
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}
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//copied from linux spec.
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#if (_XOPEN_SOURCE >= 500 || _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED) && !(_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700)
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#define BOOST_POSIX_HAS_VFORK 1
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#endif
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#if (_POSIX_C_SOURCE >= 199309L)
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#define BOOST_POSIX_HAS_SIGTIMEDWAIT 1
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#endif
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#elif defined(BOOST_WINDOWS_API)
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namespace windows {namespace extensions {}}
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namespace api = windows;
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inline std::error_code get_last_error() noexcept
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{
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return std::error_code(::boost::winapi::GetLastError(), std::system_category());
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}
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#endif
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inline void throw_last_error(const std::string & msg)
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{
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throw process_error(get_last_error(), msg);
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}
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inline void throw_last_error(const char * msg)
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{
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throw process_error(get_last_error(), msg);
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}
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inline void throw_last_error()
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{
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throw process_error(get_last_error());
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}
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inline void throw_error(const std::error_code& ec)
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{
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if (ec)
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throw process_error(ec);
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}
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inline void throw_error(const std::error_code& ec, const char* msg)
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{
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if (ec)
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throw process_error(ec, msg);
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}
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template<typename Char> constexpr Char null_char();
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template<> constexpr char null_char<char> (){return '\0';}
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template<> constexpr wchar_t null_char<wchar_t> (){return L'\0';}
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template<typename Char> constexpr Char equal_sign();
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template<> constexpr char equal_sign<char> () {return '='; }
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template<> constexpr wchar_t equal_sign<wchar_t> () {return L'='; }
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template<typename Char> constexpr Char quote_sign();
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template<> constexpr char quote_sign<char> () {return '"'; }
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template<> constexpr wchar_t quote_sign<wchar_t> () {return L'"'; }
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template<typename Char> constexpr Char space_sign();
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template<> constexpr char space_sign<char> () {return ' '; }
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template<> constexpr wchar_t space_sign<wchar_t> () {return L' '; }
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}}}
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#endif
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