group.cpp
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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
//
// 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)
#define BOOST_TEST_MAIN
#define BOOST_TEST_IGNORE_SIGCHLD
#include <boost/test/included/unit_test.hpp>
#include <boost/system/error_code.hpp>
#include <boost/asio.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/process/error.hpp>
#include <boost/process/io.hpp>
#include <boost/process/args.hpp>
#include <boost/process/child.hpp>
#include <boost/process/group.hpp>
#include <system_error>
#include <string>
#include <thread>
#include <istream>
#include <iostream>
#include <cstdlib>
namespace bp = boost::process;
BOOST_AUTO_TEST_CASE(group_test, *boost::unit_test::timeout(5))
{
std::cout << "group_test" << std::endl;
using boost::unit_test::framework::master_test_suite;
std::error_code ec;
bp::group g;
bp::child c(
master_test_suite().argv[1],
g,
ec
);
BOOST_CHECK(c.running());
BOOST_REQUIRE(!ec);
BOOST_REQUIRE(c.in_group());
BOOST_CHECK(c);
BOOST_CHECK(c.running());
BOOST_REQUIRE_NO_THROW(g.terminate());
std::this_thread::sleep_for(std::chrono::milliseconds(50));
BOOST_CHECK(!c.running());
if (c.running())
c.terminate();
std::cout << "group_test out" << std::endl;
}
BOOST_AUTO_TEST_CASE(attached, *boost::unit_test::timeout(5))
{
std::cout << "attached" << std::endl;
using boost::unit_test::framework::master_test_suite;
bp::ipstream is;
bp::group g;
std::error_code ec;
bp::child c(
master_test_suite().argv[1],
bp::args+={"--launch-attached"},
bp::std_out>is,
g,
ec
);
BOOST_REQUIRE(!ec);
BOOST_REQUIRE(c.in_group(ec));
BOOST_CHECK(c);
bp::pid_t pid;
is >> pid;
bp::child sub_c(pid);
is >> pid; //invalid pid.
BOOST_REQUIRE(sub_c);
std::this_thread::sleep_for(std::chrono::milliseconds(100)); //just to be sure.
#if defined( BOOST_POSIX_API )
::waitpid(sub_c.id(), nullptr, WNOHANG);
BOOST_CHECK(kill(sub_c.id(), 0) == 0);
#else
BOOST_CHECK(sub_c.running());
#endif
BOOST_REQUIRE_NO_THROW(g.terminate());
BOOST_CHECK(sub_c);
std::this_thread::sleep_for(std::chrono::milliseconds(100)); //just to be sure.
BOOST_CHECK(!c.running());
#if defined( BOOST_POSIX_API )
errno = 0;
::waitpid(sub_c.id(), nullptr, WNOHANG);
bool still_runs = (kill(sub_c.id(), 0) == 0) && (errno != ECHILD) && (errno != ESRCH);
#else
bool still_runs = sub_c.running();
#endif
BOOST_CHECK_MESSAGE(!still_runs, boost::process::detail::get_last_error().message());
if (still_runs)
sub_c.terminate();
BOOST_CHECK(!c.running());
if (c.running())
c.terminate();
std::cout << "attached out" << std::endl;
}
BOOST_AUTO_TEST_CASE(detached, *boost::unit_test::timeout(5))
{
std::cerr << "detached" << std::endl;
using boost::unit_test::framework::master_test_suite;
bp::ipstream is;
bp::group g;
std::error_code ec;
bp::child c(
master_test_suite().argv[1],
bp::args+={"--launch-detached"},
bp::std_out>is,
g,
ec
);
BOOST_REQUIRE(!ec);
BOOST_CHECK(c);
bp::pid_t pid;
is >> pid;
is >> pid;
bp::child sub_c(pid);
std::this_thread::sleep_for(std::chrono::milliseconds(50)); //just to be sure.
#if defined( BOOST_POSIX_API )
BOOST_CHECK(kill(sub_c.id(), 0) == 0);
#else
BOOST_CHECK(sub_c.running());
#endif
BOOST_REQUIRE_NO_THROW(g.terminate());
BOOST_CHECK(sub_c);
std::this_thread::sleep_for(std::chrono::milliseconds(50)); //just to be sure.
#if defined( BOOST_POSIX_API )
bool still_runs = kill(sub_c.id(), 0) == 0;
#else
bool still_runs = sub_c.running();
#endif
BOOST_CHECK(still_runs);
if (still_runs)
sub_c.terminate();
BOOST_CHECK(!c.running());
if (c.running())
c.terminate();
std::cerr << "detached out" << std::endl;
}