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Versions: 6
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Stored size: 1.44 KB
Contents
//
// detail/gcc_hppa_fenced_block.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2022 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_GCC_HPPA_FENCED_BLOCK_HPP
#define ASIO_DETAIL_GCC_HPPA_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(__GNUC__) && (defined(__hppa) || defined(__hppa__))
#include "asio/detail/noncopyable.hpp"
#include "asio/detail/push_options.hpp"
namespace asio {
namespace detail {
class gcc_hppa_fenced_block
: private noncopyable
{
public:
enum half_t { half };
enum full_t { full };
// Constructor for a half fenced block.
explicit gcc_hppa_fenced_block(half_t)
{
}
// Constructor for a full fenced block.
explicit gcc_hppa_fenced_block(full_t)
{
barrier();
}
// Destructor.
~gcc_hppa_fenced_block()
{
barrier();
}
private:
static void barrier()
{
// This is just a placeholder and almost certainly not sufficient.
__asm__ __volatile__ ("" : : : "memory");
}
};
} // namespace detail
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // defined(__GNUC__) && (defined(__hppa) || defined(__hppa__))
#endif // ASIO_DETAIL_GCC_HPPA_FENCED_BLOCK_HPP
Version data entries
6 entries across 6 versions & 1 rubygems