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-rw-r--r--lib/asio/detail/impl/pipe_select_interrupter.ipp124
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
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--- a/lib/asio/detail/impl/pipe_select_interrupter.ipp
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-//
-// 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