ceph/src/boost/boost/process/detail/posix/handler.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_POSIX_HANDLER_HPP_
   7 #define BOOST_PROCESS_DETAIL_POSIX_HANDLER_HPP_
   8
   9 #include <boost/process/detail/handler_base.hpp>
  10
  11 namespace boost { namespace process { namespace detail { namespace posix {
  12
  13 //does not extend anything.
  14 struct handler_base_ext : handler_base
  15 {
  16     template<typename Executor>
  17     void on_fork_error  (Executor &, const std::error_code&) const {}
  18
  19     template<typename Executor>
  20     void on_exec_setup  (Executor &) const {}
  21
  22     template<typename Executor>
  23     void on_exec_error  (Executor &, const std::error_code&) const {}
  24 };
  25
  26
  27 template <class Handler>
  28 struct on_fork_error_ : handler_base_ext
  29 {
  30     explicit on_fork_error_(Handler handler) : handler_(handler) {}
  31
  32     template <class Executor>
  33     void on_fork_error(Executor &e, const std::error_code &ec) const
  34     {
  35         handler_(e, ec);
  36     }
  37 private:
  38     Handler handler_;
  39 };
  40
  41
  42 template <class Handler>
  43 struct on_exec_setup_ : handler_base_ext
  44 {
  45     explicit on_exec_setup_(Handler handler) : handler_(handler) {}
  46
  47     template <class Executor>
  48     void on_exec_setup(Executor &e) const
  49     {
  50         handler_(e);
  51     }
  52 private:
  53     Handler handler_;
  54 };
  55
  56 template <class Handler>
  57 struct on_exec_error_ : handler_base_ext
  58 {
  59     explicit on_exec_error_(Handler handler) : handler_(handler) {}
  60
  61     template <class Executor>
  62     void on_exec_error(Executor &e, const std::error_code &ec) const
  63     {
  64         handler_(e, ec);
  65     }
  66 private:
  67     Handler handler_;
  68 };
  69
  70 }}}}
  71
  72
  73
  74 #endif /* BOOST_PROCESS_DETAIL_POSIX_HANDLER_HPP_ */