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129 lines
3.0 KiB
129 lines
3.0 KiB
11 years ago
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// Boost.Process
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// ~~~~~~~~~~~~~
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//
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// Copyright (c) 2006, 2007 Julio M. Merino Vidal
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// Copyright (c) 2008, 2009 Boris Schaeling
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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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/**
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* \file boost/process/posix_status.hpp
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*
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* Includes the declaration of the posix_status class.
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*/
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#ifndef BOOST_PROCESS_POSIX_STATUS_HPP
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#define BOOST_PROCESS_POSIX_STATUS_HPP
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#include <boost/process/config.hpp>
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#if defined(BOOST_POSIX_API)
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# include <sys/wait.h>
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#elif defined(BOOST_WINDOWS_API)
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#else
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# error "Unsupported platform."
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#endif
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#include <boost/process/status.hpp>
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#include <boost/assert.hpp>
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namespace boost {
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namespace process {
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/**
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* Status returned by a finalized %child process on a POSIX system.
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*
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* This class represents the %status returned by a child process after it
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* has terminated. It contains some methods not available in the status
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* class that provide information only available in POSIX systems.
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*/
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class posix_status : public status
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{
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public:
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/**
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* Creates a posix_status object from an existing status object.
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*
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* Creates a new status object representing the exit status of a
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* child process. The construction is done based on an existing
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* status object which already contains all the available
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* information: this class only provides controlled access to it.
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*/
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posix_status(const status &s)
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: status(s)
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{
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}
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/**
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* Returns whether the process exited due to an external
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* signal.
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*/
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bool signaled() const
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{
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return WIFSIGNALED(flags_);
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}
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/**
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* If signaled, returns the terminating signal code.
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*
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* If the process was signaled, returns the terminating signal code.
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*
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* \pre signaled() is true.
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*/
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int term_signal() const
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{
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BOOST_ASSERT(signaled());
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return WTERMSIG(flags_);
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}
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/**
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* If signaled, returns whether the process dumped core.
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*
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* If the process was signaled, returns whether the process
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* produced a core dump.
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*
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* \pre signaled() is true.
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*/
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bool dumped_core() const
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{
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BOOST_ASSERT(signaled());
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#ifdef WCOREDUMP
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return WCOREDUMP(flags_);
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#else
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return false;
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#endif
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}
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/**
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* Returns whether the process was stopped by an external
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* signal.
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*/
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bool stopped() const
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{
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return WIFSTOPPED(flags_);
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}
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/**
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* If stopped, returns the stop signal code.
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*
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* If the process was stopped, returns the stop signal code.
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*
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* \pre stopped() is true.
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*/
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int stop_signal() const
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{
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BOOST_ASSERT(stopped());
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return WSTOPSIG(flags_);
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}
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};
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}
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}
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#endif
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