detail/posix/handler.hpp

0001 // Copyright (c) 2016 Klemens D. Morgenstern
0002 //
0003 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0004 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0005
0006 #ifndef BOOST_PROCESS_DETAIL_POSIX_HANDLER_HPP_
0007 #define BOOST_PROCESS_DETAIL_POSIX_HANDLER_HPP_
0008
0009 #include <boost/process/detail/handler_base.hpp>
0010
0011 namespace boost { namespace process { namespace detail { namespace posix {
0012
0013 //does not extend anything.
0014 struct handler_base_ext : handler_base
0015 {
0016     template<typename Executor>
0017     void on_fork_error  (Executor &, const std::error_code&) const {}
0018
0019     template<typename Executor>
0020     void on_exec_setup  (Executor &) const {}
0021
0022     template<typename Executor>
0023     void on_exec_error  (Executor &, const std::error_code&) const {}
0024 };
0025
0026
0027 template <class Handler>
0028 struct on_fork_error_ : handler_base_ext
0029 {
0030     explicit on_fork_error_(Handler handler) : handler_(handler) {}
0031
0032     template <class Executor>
0033     void on_fork_error(Executor &e, const std::error_code &ec) const
0034     {
0035         handler_(e, ec);
0036     }
0037 private:
0038     Handler handler_;
0039 };
0040
0041
0042 template <class Handler>
0043 struct on_exec_setup_ : handler_base_ext
0044 {
0045     explicit on_exec_setup_(Handler handler) : handler_(handler) {}
0046
0047     template <class Executor>
0048     void on_exec_setup(Executor &e) const
0049     {
0050         handler_(e);
0051     }
0052 private:
0053     Handler handler_;
0054 };
0055
0056 template <class Handler>
0057 struct on_exec_error_ : handler_base_ext
0058 {
0059     explicit on_exec_error_(Handler handler) : handler_(handler) {}
0060
0061     template <class Executor>
0062     void on_exec_error(Executor &e, const std::error_code &ec) const
0063     {
0064         handler_(e, ec);
0065     }
0066 private:
0067     Handler handler_;
0068 };
0069
0070 }}}}
0071
0072
0073
0074 #endif /* BOOST_PROCESS_DETAIL_POSIX_HANDLER_HPP_ */