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/usr/include/boost/atomic/detail

Name	Size	Mode	Actions
type_traits/	-	0755	rm
addressof.hpp	1973	0644	edit dl rm
aligned_variable.hpp	1853	0644	edit dl rm
atomic_flag_impl.hpp	4525	0644	edit dl rm
atomic_impl.hpp	56095	0644	edit dl rm
atomic_ref_impl.hpp	54073	0644	edit dl rm
bitwise_cast.hpp	2691	0644	edit dl rm
bitwise_fp_cast.hpp	2509	0644	edit dl rm
capabilities.hpp	7520	0644	edit dl rm
caps_arch_gcc_aarch32.hpp	1617	0644	edit dl rm
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caps_arch_gcc_alpha.hpp	940	0644	edit dl rm
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caps_arch_gcc_ppc.hpp	1581	0644	edit dl rm
caps_arch_gcc_sparc.hpp	940	0644	edit dl rm
caps_arch_gcc_x86.hpp	2013	0644	edit dl rm
caps_arch_msvc_arm.hpp	943	0644	edit dl rm
caps_arch_msvc_x86.hpp	1698	0644	edit dl rm
caps_gcc_atomic.hpp	7438	0644	edit dl rm
caps_gcc_sync.hpp	1715	0644	edit dl rm
caps_linux_arm.hpp	963	0644	edit dl rm
caps_windows.hpp	880	0644	edit dl rm
cas_based_exchange.hpp	1348	0644	edit dl rm
classify.hpp	2133	0644	edit dl rm
config.hpp	7945	0644	edit dl rm
core_arch_operations.hpp	1481	0644	edit dl rm
core_arch_operations_fwd.hpp	972	0644	edit dl rm
core_arch_ops_gcc_aarch32.hpp	41910	0644	edit dl rm
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core_arch_ops_gcc_sparc.hpp	7480	0644	edit dl rm
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core_arch_ops_msvc_arm.hpp	34246	0644	edit dl rm
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core_operations.hpp	1322	0644	edit dl rm
core_operations_emulated.hpp	8138	0644	edit dl rm
core_operations_emulated_fwd.hpp	1024	0644	edit dl rm
core_operations_fwd.hpp	942	0644	edit dl rm
core_ops_cas_based.hpp	3281	0644	edit dl rm
core_ops_gcc_atomic.hpp	12238	0644	edit dl rm
core_ops_gcc_sync.hpp	10690	0644	edit dl rm
core_ops_linux_arm.hpp	6364	0644	edit dl rm
core_ops_windows.hpp	7766	0644	edit dl rm
extending_cas_based_arithmetic.hpp	2441	0644	edit dl rm
extra_fp_operations.hpp	867	0644	edit dl rm
extra_fp_operations_fwd.hpp	1065	0644	edit dl rm
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extra_fp_ops_generic.hpp	7222	0644	edit dl rm
extra_operations.hpp	825	0644	edit dl rm
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extra_ops_generic.hpp	17217	0644	edit dl rm
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fence_arch_operations.hpp	1077	0644	edit dl rm
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fence_arch_ops_gcc_alpha.hpp	1411	0644	edit dl rm
fence_arch_ops_gcc_arm.hpp	2769	0644	edit dl rm
fence_arch_ops_gcc_ppc.hpp	1773	0644	edit dl rm
fence_arch_ops_gcc_sparc.hpp	2002	0644	edit dl rm
fence_arch_ops_gcc_x86.hpp	2557	0644	edit dl rm
fence_arch_ops_msvc_arm.hpp	1787	0644	edit dl rm
fence_arch_ops_msvc_x86.hpp	1998	0644	edit dl rm
fence_operations.hpp	1007	0644	edit dl rm
fence_operations_emulated.hpp	1294	0644	edit dl rm
fence_ops_gcc_atomic.hpp	2399	0644	edit dl rm
fence_ops_gcc_sync.hpp	1367	0644	edit dl rm
fence_ops_linux_arm.hpp	1792	0644	edit dl rm
fence_ops_windows.hpp	1848	0644	edit dl rm
float_sizes.hpp	7570	0644	edit dl rm
footer.hpp	505	0644	edit dl rm
fp_operations.hpp	807	0644	edit dl rm
fp_operations_fwd.hpp	1001	0644	edit dl rm
fp_ops_emulated.hpp	2714	0644	edit dl rm
fp_ops_generic.hpp	2919	0644	edit dl rm
futex.hpp	5388	0644	edit dl rm
gcc_arm_asm_common.hpp	4031	0644	edit dl rm
gcc_atomic_memory_order_utils.hpp	2804	0644	edit dl rm
header.hpp	2624	0644	edit dl rm
integral_conversions.hpp	4306	0644	edit dl rm
interlocked.hpp	34503	0644	edit dl rm
intptr.hpp	992	0644	edit dl rm
int_sizes.hpp	4987	0644	edit dl rm
link.hpp	1534	0644	edit dl rm
lock_pool.hpp	4689	0644	edit dl rm
memory_order_utils.hpp	1576	0644	edit dl rm
once_flag.hpp	1136	0644	edit dl rm
ops_gcc_aarch32_common.hpp	1577	0644	edit dl rm
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pause.hpp	1494	0644	edit dl rm
platform.hpp	7210	0644	edit dl rm
storage_traits.hpp	5448	0644	edit dl rm
string_ops.hpp	1719	0644	edit dl rm
wait_capabilities.hpp	16861	0644	edit dl rm
wait_caps_dragonfly_umtx.hpp	1055	0644	edit dl rm
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wait_operations.hpp	828	0644	edit dl rm
wait_operations_fwd.hpp	1071	0644	edit dl rm
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wait_ops_generic.hpp	4263	0644	edit dl rm
wait_ops_windows.hpp	4848	0644	edit dl rm

Edit: /usr/include/boost/atomic/detail/wait_ops_generic.hpp (4263B)

#ifndef BOOST_ATOMIC_DETAIL_WAIT_OPS_GENERIC_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_WAIT_OPS_GENERIC_HPP_INCLUDED_

#include <cstddef>
#include <boost/memory_order.hpp>
#include <boost/atomic/detail/config.hpp>
#include <boost/atomic/detail/pause.hpp>
#include <boost/atomic/detail/lock_pool.hpp>
#include <boost/atomic/detail/wait_operations_fwd.hpp>
#include <boost/atomic/detail/header.hpp>

#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif

namespace boost {
namespace atomics {
namespace detail {

//! Generic implementation of waiting/notifying operations
template< typename Base, bool Interprocess >
struct wait_operations_generic;

template< typename Base >
struct wait_operations_generic< Base, false > :
    public Base
{
    typedef Base base_type;
    typedef typename base_type::storage_type storage_type;
    typedef lock_pool::scoped_lock< base_type::storage_alignment, true > scoped_lock;
    typedef lock_pool::scoped_wait_state< base_type::storage_alignment > scoped_wait_state;

static BOOST_CONSTEXPR_OR_CONST bool always_has_native_wait_notify = false;

static BOOST_FORCEINLINE bool has_native_wait_notify(storage_type const volatile&) BOOST_NOEXCEPT
    {
        return false;
    }

static BOOST_FORCEINLINE storage_type wait(storage_type const volatile& storage, storage_type old_val, memory_order order) BOOST_NOEXCEPT
    {
        storage_type new_val = base_type::load(storage, order);
        if (new_val == old_val)
        {
            scoped_wait_state wait_state(&storage);
            new_val = base_type::load(storage, order);
            while (new_val == old_val)
            {
                wait_state.wait();
                new_val = base_type::load(storage, order);
            }
        }

return new_val;
    }

static BOOST_FORCEINLINE void notify_one(storage_type volatile& storage) BOOST_NOEXCEPT
    {
        scoped_lock lock(&storage);
        lock_pool::notify_one(lock.get_lock_state(), &storage);
    }

static BOOST_FORCEINLINE void notify_all(storage_type volatile& storage) BOOST_NOEXCEPT
    {
        scoped_lock lock(&storage);
        lock_pool::notify_all(lock.get_lock_state(), &storage);
    }
};

template< typename Base >
struct wait_operations_generic< Base, true > :
    public Base
{
    typedef Base base_type;
    typedef typename base_type::storage_type storage_type;

static BOOST_CONSTEXPR_OR_CONST bool always_has_native_wait_notify = false;

static BOOST_FORCEINLINE bool has_native_wait_notify(storage_type const volatile&) BOOST_NOEXCEPT
    {
        return false;
    }

static BOOST_FORCEINLINE storage_type wait(storage_type const volatile& storage, storage_type old_val, memory_order order) BOOST_NOEXCEPT
    {
        storage_type new_val = base_type::load(storage, order);
        if (new_val == old_val)
        {
            for (unsigned int i = 0u; i < 16u; ++i)
            {
                atomics::detail::pause();
                new_val = base_type::load(storage, order);
                if (new_val != old_val)
                    goto finish;
            }

do
            {
                atomics::detail::wait_some();
                new_val = base_type::load(storage, order);
            }
            while (new_val == old_val);
        }

finish:
        return new_val;
    }

static BOOST_FORCEINLINE void notify_one(storage_type volatile&) BOOST_NOEXCEPT
    {
    }

static BOOST_FORCEINLINE void notify_all(storage_type volatile&) BOOST_NOEXCEPT
    {
    }
};

template< typename Base, std::size_t Size, bool Interprocess >
struct wait_operations< Base, Size, true, Interprocess > :
    public wait_operations_generic< Base, Interprocess >
{
};

} // namespace detail
} // namespace atomics
} // namespace boost

#include <boost/atomic/detail/footer.hpp>

#endif // BOOST_ATOMIC_DETAIL_WAIT_OPS_GENERIC_HPP_INCLUDED_

/* * 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) 2020 Andrey Semashev */ /*! * \file atomic/detail/wait_ops_generic.hpp * * This header contains generic (lock-based) implementation of the waiting/notifying atomic operations. */ #ifndef BOOST_ATOMIC_DETAIL_WAIT_OPS_GENERIC_HPP_INCLUDED_ #define BOOST_ATOMIC_DETAIL_WAIT_OPS_GENERIC_HPP_INCLUDED_ #include #include #include #include #include #include #include #ifdef BOOST_HAS_PRAGMA_ONCE #pragma once #endif namespace boost { namespace atomics { namespace detail { //! Generic implementation of waiting/notifying operations template< typename Base, bool Interprocess > struct wait_operations_generic; template< typename Base > struct wait_operations_generic< Base, false > : public Base { typedef Base base_type; typedef typename base_type::storage_type storage_type; typedef lock_pool::scoped_lock< base_type::storage_alignment, true > scoped_lock; typedef lock_pool::scoped_wait_state< base_type::storage_alignment > scoped_wait_state; static BOOST_CONSTEXPR_OR_CONST bool always_has_native_wait_notify = false; static BOOST_FORCEINLINE bool has_native_wait_notify(storage_type const volatile&) BOOST_NOEXCEPT { return false; } static BOOST_FORCEINLINE storage_type wait(storage_type const volatile& storage, storage_type old_val, memory_order order) BOOST_NOEXCEPT { storage_type new_val = base_type::load(storage, order); if (new_val == old_val) { scoped_wait_state wait_state(&storage); new_val = base_type::load(storage, order); while (new_val == old_val) { wait_state.wait(); new_val = base_type::load(storage, order); } } return new_val; } static BOOST_FORCEINLINE void notify_one(storage_type volatile& storage) BOOST_NOEXCEPT { scoped_lock lock(&storage); lock_pool::notify_one(lock.get_lock_state(), &storage); } static BOOST_FORCEINLINE void notify_all(storage_type volatile& storage) BOOST_NOEXCEPT { scoped_lock lock(&storage); lock_pool::notify_all(lock.get_lock_state(), &storage); } }; template< typename Base > struct wait_operations_generic< Base, true > : public Base { typedef Base base_type; typedef typename base_type::storage_type storage_type; static BOOST_CONSTEXPR_OR_CONST bool always_has_native_wait_notify = false; static BOOST_FORCEINLINE bool has_native_wait_notify(storage_type const volatile&) BOOST_NOEXCEPT { return false; } static BOOST_FORCEINLINE storage_type wait(storage_type const volatile& storage, storage_type old_val, memory_order order) BOOST_NOEXCEPT { storage_type new_val = base_type::load(storage, order); if (new_val == old_val) { for (unsigned int i = 0u; i < 16u; ++i) { atomics::detail::pause(); new_val = base_type::load(storage, order); if (new_val != old_val) goto finish; } do { atomics::detail::wait_some(); new_val = base_type::load(storage, order); } while (new_val == old_val); } finish: return new_val; } static BOOST_FORCEINLINE void notify_one(storage_type volatile&) BOOST_NOEXCEPT { } static BOOST_FORCEINLINE void notify_all(storage_type volatile&) BOOST_NOEXCEPT { } }; template< typename Base, std::size_t Size, bool Interprocess > struct wait_operations< Base, Size, true, Interprocess > : public wait_operations_generic< Base, Interprocess > { }; } // namespace detail } // namespace atomics } // namespace boost #include #endif // BOOST_ATOMIC_DETAIL_WAIT_OPS_GENERIC_HPP_INCLUDED_