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author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2018-08-06 10:35:22 +0200 |
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committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2018-08-06 10:35:22 +0200 |
commit | e95946831f8ef53d29590735a2df661385edb008 (patch) | |
tree | e179b6beed4a5a0dd108f078a529ae9f8107ed8e /lib/asio/detail/socket_select_interrupter.hpp | |
parent | 8bc01ff60629d9096f4b57cfb574ace672a6ef0e (diff) | |
download | dabmod-e95946831f8ef53d29590735a2df661385edb008.tar.gz dabmod-e95946831f8ef53d29590735a2df661385edb008.tar.bz2 dabmod-e95946831f8ef53d29590735a2df661385edb008.zip |
Replace boost by the standalone asio library
Diffstat (limited to 'lib/asio/detail/socket_select_interrupter.hpp')
-rw-r--r-- | lib/asio/detail/socket_select_interrupter.hpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/lib/asio/detail/socket_select_interrupter.hpp b/lib/asio/detail/socket_select_interrupter.hpp new file mode 100644 index 0000000..7351070 --- /dev/null +++ b/lib/asio/detail/socket_select_interrupter.hpp @@ -0,0 +1,91 @@ +// +// detail/socket_select_interrupter.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// 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 ASIO_DETAIL_SOCKET_SELECT_INTERRUPTER_HPP +#define ASIO_DETAIL_SOCKET_SELECT_INTERRUPTER_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if !defined(ASIO_WINDOWS_RUNTIME) + +#if defined(ASIO_WINDOWS) \ + || defined(__CYGWIN__) \ + || defined(__SYMBIAN32__) + +#include "asio/detail/socket_types.hpp" + +#include "asio/detail/push_options.hpp" + +namespace asio { +namespace detail { + +class socket_select_interrupter +{ +public: + // Constructor. + ASIO_DECL socket_select_interrupter(); + + // Destructor. + ASIO_DECL ~socket_select_interrupter(); + + // Recreate the interrupter's descriptors. Used after a fork. + ASIO_DECL void recreate(); + + // Interrupt the select call. + ASIO_DECL void interrupt(); + + // Reset the select interrupt. Returns true if the call was interrupted. + ASIO_DECL bool reset(); + + // Get the read descriptor to be passed to select. + socket_type read_descriptor() const + { + return read_descriptor_; + } + +private: + // Open the descriptors. Throws on error. + ASIO_DECL void open_descriptors(); + + // Close the descriptors. + ASIO_DECL void close_descriptors(); + + // The read end of a connection used to interrupt the select call. This file + // descriptor is passed to select such that when it is time to stop, a single + // byte will be written on the other end of the connection and this + // descriptor will become readable. + socket_type read_descriptor_; + + // The write end of a connection used to interrupt the select call. A single + // byte may be written to this to wake up the select which is waiting for the + // other end to become readable. + socket_type write_descriptor_; +}; + +} // namespace detail +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#if defined(ASIO_HEADER_ONLY) +# include "asio/detail/impl/socket_select_interrupter.ipp" +#endif // defined(ASIO_HEADER_ONLY) + +#endif // defined(ASIO_WINDOWS) + // || defined(__CYGWIN__) + // || defined(__SYMBIAN32__) + +#endif // !defined(ASIO_WINDOWS_RUNTIME) + +#endif // ASIO_DETAIL_SOCKET_SELECT_INTERRUPTER_HPP |