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// Copyright (c) 2006, 2007 Julio M. Merino Vidal
// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
// Copyright (c) 2009 Boris Schaeling
// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
// Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
// Copyright (c) 2016 Klemens D. Morgenstern
//
// 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)
/**
* \file boost/process/config.hpp
*
* Defines various macros.
*/
#ifndef BOOST_PROCESS_DETAIL_CONFIG_HPP
#define BOOST_PROCESS_DETAIL_CONFIG_HPP
#include <boost/config.hpp>
#include <system_error>
#include <boost/system/api_config.hpp>
#include <boost/process/exception.hpp>
#if defined(BOOST_POSIX_API)
#include <errno.h>
#if defined(__GLIBC__)
#include <features.h>
#else
extern char **environ;
#endif
#elif defined(BOOST_WINDOWS_API)
#include <boost/detail/winapi/get_last_error.hpp>
#else
#error "System API not supported by boost.process"
#endif
namespace boost { namespace process { namespace detail
{
#if !defined(BOOST_PROCESS_PIPE_SIZE)
#define BOOST_PROCESS_PIPE_SIZE 1024
#endif
#if defined(BOOST_POSIX_API)
namespace posix {namespace extensions {}}
namespace api = posix;
inline std::error_code get_last_error() noexcept
{
return std::error_code(errno, std::system_category());
}
//copied from linux spec.
#if defined (__USE_XOPEN_EXTENDED) && !defined (__USE_XOPEN2K8) || defined( __USE_BSD)
#define BOOST_POSIX_HAS_VFORK 1
#endif
#elif defined(BOOST_WINDOWS_API)
namespace windows {namespace extensions {}}
namespace api = windows;
inline std::error_code get_last_error() noexcept
{
return std::error_code(::boost::detail::winapi::GetLastError(), std::system_category());
}
#endif
inline void throw_last_error(const std::string & msg)
{
throw process_error(get_last_error(), msg);
}
inline void throw_last_error()
{
throw process_error(get_last_error());
}
template<typename Char> constexpr Char null_char();
template<> constexpr char null_char<char> (){return '\0';}
template<> constexpr wchar_t null_char<wchar_t> (){return L'\0';}
template<typename Char> constexpr Char equal_sign();
template<> constexpr char equal_sign<char> () {return '='; }
template<> constexpr wchar_t equal_sign<wchar_t> () {return L'='; }
template<typename Char> constexpr Char quote_sign();
template<> constexpr char quote_sign<char> () {return '"'; }
template<> constexpr wchar_t quote_sign<wchar_t> () {return L'"'; }
template<typename Char> constexpr Char space_sign();
template<> constexpr char space_sign<char> () {return ' '; }
template<> constexpr wchar_t space_sign<wchar_t> () {return L' '; }
}}}
#endif
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