90 lines
1.9 KiB
C++
90 lines
1.9 KiB
C++
|
//
|
||
|
|
// process/exit_code.hpp
|
||
|
|
// ~~~~~~~~~~~~~~
|
||
|
|
//
|
||
|
|
// Copyright (c) 2022 Klemens D. Morgenstern (klemens dot morgenstern at gmx dot net)
|
||
|
|
//
|
||
|
|
// 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)
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef BOOST_PROCESS_V2_EXIT_CODE_HPP
|
||
|
|
#define BOOST_PROCESS_V2_EXIT_CODE_HPP
|
||
|
|
|
||
|
|
#include <boost/process/v2/detail/config.hpp>
|
||
|
|
|
||
|
|
#if defined(BOOST_PROCESS_V2_POSIX)
|
||
|
|
#include <sys/wait.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
BOOST_PROCESS_V2_BEGIN_NAMESPACE
|
||
|
|
|
||
|
|
#if defined(GENERATING_DOCUMENTATION)
|
||
|
|
|
||
|
|
/// The native exit-code type, usually an integral value
|
||
|
|
/** The OS may have a value different from `int` to represent
|
||
|
|
* the exit codes of subprocesses. It might also
|
||
|
|
* contain additional information.
|
||
|
|
*/
|
||
|
|
typedef implementation_defined native_exit_code_type;
|
||
|
|
|
||
|
|
|
||
|
|
/// Check if the native exit code indicates the process is still running
|
||
|
|
bool process_is_running(native_exit_code_type code);
|
||
|
|
|
||
|
|
/// Obtain the portable part of the exit code, i.e. what the subprocess has returned from main.
|
||
|
|
int evaluate_exit_code(native_exit_code_type code);
|
||
|
|
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#if defined(BOOST_PROCESS_V2_WINDOWS)
|
||
|
|
|
||
|
|
typedef unsigned long native_exit_code_type;
|
||
|
|
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
constexpr native_exit_code_type still_active = 259u;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool process_is_running(native_exit_code_type code)
|
||
|
|
{
|
||
|
|
return code == detail::still_active;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int evaluate_exit_code(native_exit_code_type code)
|
||
|
|
{
|
||
|
|
return static_cast<int>(code);
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
typedef int native_exit_code_type;
|
||
|
|
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
constexpr native_exit_code_type still_active = 0x7f;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline bool process_is_running(int code)
|
||
|
|
{
|
||
|
|
return !WIFEXITED(code) && !WIFSIGNALED(code);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline int evaluate_exit_code(int code)
|
||
|
|
{
|
||
|
|
if (WIFEXITED(code))
|
||
|
|
return WEXITSTATUS(code);
|
||
|
|
else if (WIFSIGNALED(code))
|
||
|
|
return WTERMSIG(code);
|
||
|
|
else
|
||
|
|
return code;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
BOOST_PROCESS_V2_END_NAMESPACE
|
||
|
|
|
||
|
|
#endif //BOOST_PROCESS_V2_EXIT_CODE_HPP
|