ceph/src/boost/boost/process/detail/posix/close_out.hpp

   1 // Copyright (c) 2006, 2007 Julio M. Merino Vidal
   2 // Copyright (c) 2008 Ilya Sokolov, Boris Schaeling
   3 // Copyright (c) 2009 Boris Schaeling
   4 // Copyright (c) 2010 Felipe Tanus, Boris Schaeling
   5 // Copyright (c) 2011, 2012 Jeff Flinn, Boris Schaeling
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #ifndef BOOST_PROCESS_DETAIL_POSIX_CLOSE_OUT_HPP
  11 #define BOOST_PROCESS_DETAIL_POSIX_CLOSE_OUT_HPP
  12
  13
  14 #include <boost/process/detail/posix/handler.hpp>
  15
  16 namespace boost { namespace process { namespace detail { namespace posix {
  17
  18 template<int p1, int p2>
  19 struct close_out : handler_base_ext
  20 {
  21     template <class Executor>
  22     inline void on_exec_setup(Executor &e) const;
  23 };
  24
  25 template<>
  26 template<typename Executor>
  27 void close_out<1,-1>::on_exec_setup(Executor &e) const
  28 {
  29     if (::close(STDOUT_FILENO) == -1)
  30         e.set_error(::boost::process::detail::get_last_error(), "close() failed");
  31
  32 }
  33
  34 template<>
  35 template<typename Executor>
  36 void close_out<2,-1>::on_exec_setup(Executor &e) const
  37 {
  38     if (::close(STDERR_FILENO) == -1)
  39         e.set_error(::boost::process::detail::get_last_error(), "close() failed");
  40 }
  41
  42 template<>
  43 template<typename Executor>
  44 void close_out<1,2>::on_exec_setup(Executor &e) const
  45 {
  46     if (::close(STDOUT_FILENO) == -1)
  47         e.set_error(::boost::process::detail::get_last_error(), "close() failed");
  48
  49     if (::close(STDERR_FILENO) == -1)
  50         e.set_error(::boost::process::detail::get_last_error(), "close() failed");
  51 }
  52
  53 }}}}
  54
  55 #endif