| // Copyright (c) 2016 Klemens D. Morgenstern |
| // |
| // 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) |
| |
| #ifndef BOOST_PROCESS_DETAIL_POSIX_COMPARE_HANDLES_HPP_ |
| #define BOOST_PROCESS_DETAIL_POSIX_COMPARE_HANDLES_HPP_ |
| |
| |
| #include <boost/process/detail/config.hpp> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <unistd.h> |
| |
| namespace boost { namespace process { namespace detail { namespace posix { |
| |
| |
| inline bool compare_handles(int lhs, int rhs) |
| { |
| |
| if ((lhs == -1) || (rhs == -1)) |
| return false; |
| |
| if (lhs == rhs) |
| return true; |
| |
| struct stat stat1, stat2; |
| if(fstat(lhs, &stat1) < 0) ::boost::process::detail::throw_last_error("fstat() failed"); |
| if(fstat(rhs, &stat2) < 0) ::boost::process::detail::throw_last_error("fstat() failed"); |
| |
| return (stat1.st_dev == stat2.st_dev) && (stat1.st_ino == stat2.st_ino); |
| } |
| |
| |
| |
| |
| |
| }}}} |
| |
| |
| |
| #endif /* BOOST_PROCESS_DETAIL_POSIX_COMPARE_HANDLES_HPP_ */ |