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Diffstat (limited to '3rdParty/Boost/boost/asio/detail/eventfd_select_interrupter.hpp')
m---------3rdParty/Boost0
-rw-r--r--3rdParty/Boost/boost/asio/detail/eventfd_select_interrupter.hpp157
2 files changed, 0 insertions, 157 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost
new file mode 160000
+Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79
diff --git a/3rdParty/Boost/boost/asio/detail/eventfd_select_interrupter.hpp b/3rdParty/Boost/boost/asio/detail/eventfd_select_interrupter.hpp
deleted file mode 100644
index cac8405..0000000
--- a/3rdParty/Boost/boost/asio/detail/eventfd_select_interrupter.hpp
+++ /dev/null
@@ -1,157 +0,0 @@
-//
-// eventfd_select_interrupter.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-// Copyright (c) 2008 Roelof Naude (roelof.naude at gmail 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 BOOST_ASIO_DETAIL_EVENTFD_SELECT_INTERRUPTER_HPP
-#define BOOST_ASIO_DETAIL_EVENTFD_SELECT_INTERRUPTER_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include <boost/asio/detail/push_options.hpp>
-
-#include <boost/asio/detail/push_options.hpp>
-#include <boost/config.hpp>
-#include <boost/throw_exception.hpp>
-#include <boost/system/system_error.hpp>
-#include <boost/asio/detail/pop_options.hpp>
-
-#if defined(linux)
-# if !defined(BOOST_ASIO_DISABLE_EVENTFD)
-# include <linux/version.h>
-# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-# define BOOST_ASIO_HAS_EVENTFD
-# endif // LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22)
-# endif // !defined(BOOST_ASIO_DISABLE_EVENTFD)
-#endif // defined(linux)
-
-#if defined(BOOST_ASIO_HAS_EVENTFD)
-
-#include <boost/asio/detail/push_options.hpp>
-#include <fcntl.h>
-#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 8
-# include <asm/unistd.h>
-#else // __GLIBC__ == 2 && __GLIBC_MINOR__ < 8
-# include <sys/eventfd.h>
-#endif // __GLIBC__ == 2 && __GLIBC_MINOR__ < 8
-#include <boost/asio/detail/pop_options.hpp>
-
-#include <boost/asio/error.hpp>
-#include <boost/asio/detail/socket_types.hpp>
-
-namespace boost {
-namespace asio {
-namespace detail {
-
-class eventfd_select_interrupter
-{
-public:
- // Constructor.
- eventfd_select_interrupter()
- {
-#if __GLIBC__ == 2 && __GLIBC_MINOR__ < 8
- write_descriptor_ = read_descriptor_ = syscall(__NR_eventfd, 0);
-#else // __GLIBC__ == 2 && __GLIBC_MINOR__ < 8
- write_descriptor_ = read_descriptor_ = ::eventfd(0, 0);
-#endif // __GLIBC__ == 2 && __GLIBC_MINOR__ < 8
- if (read_descriptor_ != -1)
- {
- ::fcntl(read_descriptor_, F_SETFL, O_NONBLOCK);
- }
- else
- {
- 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);
- }
- else
- {
- boost::system::error_code ec(errno,
- boost::asio::error::get_system_category());
- boost::system::system_error e(ec, "eventfd_select_interrupter");
- boost::throw_exception(e);
- }
- }
- }
-
- // Destructor.
- ~eventfd_select_interrupter()
- {
- if (write_descriptor_ != -1 && write_descriptor_ != read_descriptor_)
- ::close(write_descriptor_);
- if (read_descriptor_ != -1)
- ::close(read_descriptor_);
- }
-
- // Interrupt the select call.
- void interrupt()
- {
- uint64_t counter(1UL);
- int result = ::write(write_descriptor_, &counter, sizeof(uint64_t));
- (void)result;
- }
-
- // Reset the select interrupt. Returns true if the call was interrupted.
- bool reset()
- {
- if (write_descriptor_ == read_descriptor_)
- {
- // Only perform one read. The kernel maintains an atomic counter.
- uint64_t counter(0);
- int bytes_read = ::read(read_descriptor_, &counter, sizeof(uint64_t));
- bool was_interrupted = (bytes_read > 0);
- return was_interrupted;
- }
- else
- {
- // Clear all data from the pipe.
- char data[1024];
- int bytes_read = ::read(read_descriptor_, data, sizeof(data));
- bool was_interrupted = (bytes_read > 0);
- while (bytes_read == sizeof(data))
- bytes_read = ::read(read_descriptor_, data, sizeof(data));
- return was_interrupted;
- }
- }
-
- // Get the read descriptor to be passed to select.
- int read_descriptor() const
- {
- return read_descriptor_;
- }
-
-private:
- // 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
- // 64bit value will be written on the other end of the connection and this
- // descriptor will become readable.
- int read_descriptor_;
-
- // The write end of a connection used to interrupt the select call. A single
- // 64bit non-zero value may be written to this to wake up the select which is
- // waiting for the other end to become readable. This descriptor will only
- // differ from the read descriptor when a pipe is used.
- int write_descriptor_;
-};
-
-} // namespace detail
-} // namespace asio
-} // namespace boost
-
-#endif // defined(BOOST_ASIO_HAS_EVENTFD)
-
-#include <boost/asio/detail/pop_options.hpp>
-
-#endif // BOOST_ASIO_DETAIL_EVENTFD_SELECT_INTERRUPTER_HPP