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106 lines
2.3 KiB
106 lines
2.3 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/status.hpp
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*
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* Includes the declaration of the status class.
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*/
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#ifndef BOOST_PROCESS_STATUS_HPP
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#define BOOST_PROCESS_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/assert.hpp>
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namespace boost {
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namespace process {
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class child;
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/**
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* Status returned by a finalized %child process.
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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 only provides that information available under all
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* supported platforms.
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*
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* \see posix_status
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*/
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class status
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{
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friend class child;
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public:
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/**
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* Returns whether the process exited gracefully or not.
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*/
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bool exited() const
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{
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#if defined(BOOST_POSIX_API)
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return WIFEXITED(flags_);
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#elif defined(BOOST_WINDOWS_API)
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return true;
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#endif
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}
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/**
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* If exited, returns the exit code.
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*
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* If the process exited, returns the exit code it returned.
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*
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* \pre exited() is true.
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*/
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int exit_status() const
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{
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BOOST_ASSERT(exited());
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#if defined(BOOST_POSIX_API)
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return WEXITSTATUS(flags_);
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#elif defined(BOOST_WINDOWS_API)
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return flags_;
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#endif
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}
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protected:
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/**
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* Creates a status object based on exit information.
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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.
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*
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* \param flags In a POSIX system this parameter contains the
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* flags returned by the ::waitpid() call. In a
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* Windows system it contains the exit code only.
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*/
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status(int flags)
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: flags_(flags)
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{
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}
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/**
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* OS-specific codification of exit status.
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*/
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int flags_;
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};
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}
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}
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#endif
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