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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)
#include <boost/process.hpp>
#include <boost/asio.hpp>
using namespace boost::process;
namespace asio = boost::asio;
int main(int argc, char *argv[])
{
{
//tag::readable_pipe[]
asio::io_context ctx;
asio::readable_pipe rp{ctx};
process proc(ctx, "/usr/bin/g++", {"--version"}, process_stdio{{ /* in to default */}, rp, { /* err to default */ }});
std::string output;
boost::system::error_code ec;
asio::read(rp, asio::dynamic_buffer(output), ec);
assert(!ec || (ec == asio::error::eof));
proc.wait();
//end::readable_pipe[]
}
{
//tag::file[]
asio::io_context ctx;
// forward both stderr & stdout to stdout of the parent process
process proc(ctx, "/usr/bin/g++", {"--version"}, process_stdio{{ /* in to default */}, stdout, stdout});
proc.wait();
//end::file[]
}
{
//tag::null[]
asio::io_context ctx;
// forward stderr to /dev/null or NUL
process proc(ctx, "/usr/bin/g++", {"--version"}, process_stdio{{ /* in to default */}, {}, nullptr});
proc.wait();
//end::null[]
}
#if defined(BOOST_POSIX_API)
{
//tag::native_handle[]
asio::io_context ctx;
// ignore stderr
asio::local::stream_protocol::socket sock{ctx}, other{ctx};
asio::local::connect_pair(sock, other);
process proc(ctx, "~/not-a-virus", {}, process_stdio{sock, sock, nullptr});
proc.wait();
//end::native_handle[]
}
#endif
{
//tag::popen[]
asio::io_context ctx;
boost::process::popen proc(ctx, "/usr/bin/addr2line", {argv[0]});
asio::write(proc, asio::buffer("main\n"));
std::string line;
asio::read_until(proc, asio::dynamic_buffer(line), '\n');
//end::popen[]
}
}
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