process/example/wait.cpp

// 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)

#include <boost/process.hpp>
#include <boost/asio.hpp>
#if defined(BOOST_WINDOWS_API)
#   include <Windows.h>
#elif defined(BOOST_POSIX_API)
#   include <sys/wait.h>
#   include <errno.h>
#endif

using namespace boost::process;

int main()
{
    {
//[sync
    child c("test.exe");
    c.wait();
    auto exit_code = c.exit_code();
//]
    }

    {
//[async
    boost::asio::io_service io_service;

    child c(
        "test.exe",
        io_service,
        on_exit([&](int exit, const std::error_code& ec_in){})
    );

    io_service.run();
//]
    }
}