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Contents
//
// detail/macos_fenced_block.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 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_MACOS_FENCED_BLOCK_HPP
#define ASIO_DETAIL_MACOS_FENCED_BLOCK_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include "asio/detail/config.hpp"
#if defined(__MACH__) && defined(__APPLE__)
#include <libkern/OSAtomic.h>
#include "asio/detail/noncopyable.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
class macos_fenced_block
: private noncopyable
{
public:
enum half_t { half };
enum full_t { full };
// Constructor for a half fenced block.
explicit macos_fenced_block(half_t)
{
}
// Constructor for a full fenced block.
explicit macos_fenced_block(full_t)
{
OSMemoryBarrier();
}
// Destructor.
~macos_fenced_block()
{
OSMemoryBarrier();
}
};
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // defined(__MACH__) && defined(__APPLE__)
#endif // ASIO_DETAIL_MACOS_FENCED_BLOCK_HPP
Version data entries
34 entries across 34 versions & 1 rubygems