diff options
Diffstat (limited to 'lib/asio/detail/impl/pipe_select_interrupter.ipp')
-rw-r--r-- | lib/asio/detail/impl/pipe_select_interrupter.ipp | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/lib/asio/detail/impl/pipe_select_interrupter.ipp b/lib/asio/detail/impl/pipe_select_interrupter.ipp deleted file mode 100644 index 13931ab..0000000 --- a/lib/asio/detail/impl/pipe_select_interrupter.ipp +++ /dev/null @@ -1,124 +0,0 @@ -// -// detail/impl/pipe_select_interrupter.ipp -// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -// -// 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_IMPL_PIPE_SELECT_INTERRUPTER_IPP -#define ASIO_DETAIL_IMPL_PIPE_SELECT_INTERRUPTER_IPP - -#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) -#if !defined(__CYGWIN__) -#if !defined(__SYMBIAN32__) -#if !defined(ASIO_HAS_EVENTFD) - -#include <fcntl.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <unistd.h> -#include "asio/detail/pipe_select_interrupter.hpp" -#include "asio/detail/socket_types.hpp" -#include "asio/detail/throw_error.hpp" -#include "asio/error.hpp" - -#include "asio/detail/push_options.hpp" - -namespace asio { -namespace detail { - -pipe_select_interrupter::pipe_select_interrupter() -{ - open_descriptors(); -} - -void pipe_select_interrupter::open_descriptors() -{ - int pipe_fds[2]; - if (pipe(pipe_fds) == 0) - { - read_descriptor_ = pipe_fds[0]; - ::fcntl(read_descriptor_, F_SETFL, O_NONBLOCK); - write_descriptor_ = pipe_fds[1]; - ::fcntl(write_descriptor_, F_SETFL, O_NONBLOCK); - -#if defined(FD_CLOEXEC) - ::fcntl(read_descriptor_, F_SETFD, FD_CLOEXEC); - ::fcntl(write_descriptor_, F_SETFD, FD_CLOEXEC); -#endif // defined(FD_CLOEXEC) - } - else - { - asio::error_code ec(errno, - asio::error::get_system_category()); - asio::detail::throw_error(ec, "pipe_select_interrupter"); - } -} - -pipe_select_interrupter::~pipe_select_interrupter() -{ - close_descriptors(); -} - -void pipe_select_interrupter::close_descriptors() -{ - if (read_descriptor_ != -1) - ::close(read_descriptor_); - if (write_descriptor_ != -1) - ::close(write_descriptor_); -} - -void pipe_select_interrupter::recreate() -{ - close_descriptors(); - - write_descriptor_ = -1; - read_descriptor_ = -1; - - open_descriptors(); -} - -void pipe_select_interrupter::interrupt() -{ - char byte = 0; - signed_size_type result = ::write(write_descriptor_, &byte, 1); - (void)result; -} - -bool pipe_select_interrupter::reset() -{ - for (;;) - { - char data[1024]; - signed_size_type bytes_read = ::read(read_descriptor_, data, sizeof(data)); - if (bytes_read < 0 && errno == EINTR) - continue; - bool was_interrupted = (bytes_read > 0); - while (bytes_read == sizeof(data)) - bytes_read = ::read(read_descriptor_, data, sizeof(data)); - return was_interrupted; - } -} - -} // namespace detail -} // namespace asio - -#include "asio/detail/pop_options.hpp" - -#endif // !defined(ASIO_HAS_EVENTFD) -#endif // !defined(__SYMBIAN32__) -#endif // !defined(__CYGWIN__) -#endif // !defined(ASIO_WINDOWS) -#endif // !defined(ASIO_WINDOWS_RUNTIME) - -#endif // ASIO_DETAIL_IMPL_PIPE_SELECT_INTERRUPTER_IPP |