mirror of https://github.com/saitohirga/WSJT-X.git
107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
/*
|
|
* 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)
|
|
*
|
|
* Copyright (c) 2017 Andrey Semashev
|
|
*/
|
|
/*!
|
|
* \file atomic/detail/extra_ops_msvc_arm.hpp
|
|
*
|
|
* This header contains implementation of the extra atomic operations for ARM.
|
|
*/
|
|
|
|
#ifndef BOOST_ATOMIC_DETAIL_EXTRA_OPS_MSVC_ARM_HPP_INCLUDED_
|
|
#define BOOST_ATOMIC_DETAIL_EXTRA_OPS_MSVC_ARM_HPP_INCLUDED_
|
|
|
|
#include <cstddef>
|
|
#include <boost/memory_order.hpp>
|
|
#include <boost/atomic/detail/config.hpp>
|
|
#include <boost/atomic/detail/interlocked.hpp>
|
|
#include <boost/atomic/detail/storage_type.hpp>
|
|
#include <boost/atomic/detail/extra_operations_fwd.hpp>
|
|
#include <boost/atomic/detail/extra_ops_generic.hpp>
|
|
#include <boost/atomic/capabilities.hpp>
|
|
|
|
#ifdef BOOST_HAS_PRAGMA_ONCE
|
|
#pragma once
|
|
#endif
|
|
|
|
namespace boost {
|
|
namespace atomics {
|
|
namespace detail {
|
|
|
|
#if defined(BOOST_ATOMIC_INTERLOCKED_BTS) && defined(BOOST_ATOMIC_INTERLOCKED_BTR)
|
|
|
|
template< typename Base, std::size_t Size, bool Signed >
|
|
struct extra_operations< Base, 4u, Signed, true > :
|
|
public generic_extra_operations< Base, 4u, Signed >
|
|
{
|
|
typedef generic_extra_operations< Base, 4u, Signed > base_type;
|
|
typedef typename base_type::storage_type storage_type;
|
|
|
|
static BOOST_FORCEINLINE bool bit_test_and_set(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
|
|
{
|
|
#if defined(BOOST_ATOMIC_INTERLOCKED_BTS_RELAXED) && defined(BOOST_ATOMIC_INTERLOCKED_BTS_ACQUIRE) && defined(BOOST_ATOMIC_INTERLOCKED_BTS_RELEASE)
|
|
bool result;
|
|
switch (order)
|
|
{
|
|
case memory_order_relaxed:
|
|
result = !!BOOST_ATOMIC_INTERLOCKED_BTS_RELAXED(&storage, bit_number);
|
|
break;
|
|
case memory_order_consume:
|
|
case memory_order_acquire:
|
|
result = !!BOOST_ATOMIC_INTERLOCKED_BTS_ACQUIRE(&storage, bit_number);
|
|
break;
|
|
case memory_order_release:
|
|
result = !!BOOST_ATOMIC_INTERLOCKED_BTS_RELEASE(&storage, bit_number);
|
|
break;
|
|
case memory_order_acq_rel:
|
|
case memory_order_seq_cst:
|
|
default:
|
|
result = !!BOOST_ATOMIC_INTERLOCKED_BTS(&storage, bit_number);
|
|
break;
|
|
}
|
|
return result;
|
|
#else
|
|
return !!BOOST_ATOMIC_INTERLOCKED_BTS(&storage, bit_number);
|
|
#endif
|
|
}
|
|
|
|
static BOOST_FORCEINLINE bool bit_test_and_reset(storage_type volatile& storage, unsigned int bit_number, memory_order order) BOOST_NOEXCEPT
|
|
{
|
|
#if defined(BOOST_ATOMIC_INTERLOCKED_BTR_RELAXED) && defined(BOOST_ATOMIC_INTERLOCKED_BTR_ACQUIRE) && defined(BOOST_ATOMIC_INTERLOCKED_BTR_RELEASE)
|
|
bool result;
|
|
switch (order)
|
|
{
|
|
case memory_order_relaxed:
|
|
result = !!BOOST_ATOMIC_INTERLOCKED_BTR_RELAXED(&storage, bit_number);
|
|
break;
|
|
case memory_order_consume:
|
|
case memory_order_acquire:
|
|
result = !!BOOST_ATOMIC_INTERLOCKED_BTR_ACQUIRE(&storage, bit_number);
|
|
break;
|
|
case memory_order_release:
|
|
result = !!BOOST_ATOMIC_INTERLOCKED_BTR_RELEASE(&storage, bit_number);
|
|
break;
|
|
case memory_order_acq_rel:
|
|
case memory_order_seq_cst:
|
|
default:
|
|
result = !!BOOST_ATOMIC_INTERLOCKED_BTR(&storage, bit_number);
|
|
break;
|
|
}
|
|
return result;
|
|
#else
|
|
return !!BOOST_ATOMIC_INTERLOCKED_BTR(&storage, bit_number);
|
|
#endif
|
|
}
|
|
};
|
|
|
|
#endif // defined(BOOST_ATOMIC_INTERLOCKED_BTS) && defined(BOOST_ATOMIC_INTERLOCKED_BTR)
|
|
|
|
} // namespace detail
|
|
} // namespace atomics
|
|
} // namespace boost
|
|
|
|
#endif // BOOST_ATOMIC_DETAIL_EXTRA_OPS_MSVC_ARM_HPP_INCLUDED_
|