ceph/src/boost/boost/process/detail/windows/group_ref.hpp

   1 // Copyright (c) 2016 Klemens D. Morgenstern
   2 //
   3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef BOOST_PROCESS_DETAIL_WINDOWS_GROUP_REF_HPP_
   7 #define BOOST_PROCESS_DETAIL_WINDOWS_GROUP_REF_HPP_
   8
   9 #include <boost/process/detail/config.hpp>
  10 #include <boost/process/detail/windows/group_handle.hpp>
  11 #include <boost/winapi/process.hpp>
  12 #include <boost/process/detail/windows/handler.hpp>
  13
  14 namespace boost { namespace process {
  15
  16 namespace detail { namespace windows {
  17
  18
  19
  20 struct group_ref : handler_base_ext
  21 {
  22     ::boost::winapi::HANDLE_ handle;
  23
  24     explicit group_ref(group_handle &g) :
  25                 handle(g.handle())
  26     {}
  27
  28     template <class Executor>
  29     void on_setup(Executor& exec) const
  30     {
  31         //I can only enable this if the current process supports breakaways.
  32         if (in_group() && break_away_enabled(nullptr))
  33             exec.creation_flags  |= boost::winapi::CREATE_BREAKAWAY_FROM_JOB_;
  34     }
  35
  36
  37     template <class Executor>
  38     void on_success(Executor& exec) const
  39     {
  40         if (!::boost::winapi::AssignProcessToJobObject(handle, exec.proc_info.hProcess))
  41             exec.set_error(::boost::process::detail::get_last_error(),
  42                            "AssignProcessToJobObject() failed.");
  43
  44     }
  45
  46 };
  47
  48 }}}}
  49
  50
  51 #endif /* BOOST_PROCESS_DETAIL_WINDOWS_GROUP_HPP_ */