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47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
// Copyright (c) 2006, 2007 Julio M. Merino Vidal
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// Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
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// Copyright (c) 2009 Boris Schaeling
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// Copyright (c) 2010 Felipe Tanus, Boris Schaeling
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// Copyright (c) 2011, 2012 Jeff Flinn, 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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#include <boost/process.hpp>
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#include <boost/process/posix.hpp>
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#include <iostream>
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#include <fstream>
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#include <unistd.h>
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#include <errno.h>
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using namespace boost::process;
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int main()
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{
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//duplicate our pipe descriptor into literal position 4
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pipe p;
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system("test", posix::fd.bind(4, p.native_sink()) );
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//close file-descriptor from explicit integral value
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system("test", posix::fd.close(STDIN_FILENO));
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//close file-descriptors from explicit integral values
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system("test", posix::fd.close({STDIN_FILENO, STDOUT_FILENO}));
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//add custom handlers
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const char *env[2] = { 0 };
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env[0] = "LANG=de";
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system("test",
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on_setup([env](auto &e) { e.env = const_cast<char**>(env); }),
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posix::on_fork_error([](auto&)
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{ std::cerr << errno << std::endl; }),
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posix::on_exec_setup([](auto&)
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{ ::chroot("/new/root/directory/"); }),
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posix::on_exec_error([](auto&)
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{ std::ofstream ofs("log.txt"); if (ofs) ofs << errno; })
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);
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}
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