FM / detail

/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
caps_arch_gcc_aarch64.hpp	2238	0644	edit dl rm
caps_arch_gcc_alpha.hpp	940	0644	edit dl rm
caps_arch_gcc_arm.hpp	3573	0644	edit dl rm
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
core_arch_ops_gcc_aarch64.hpp	69364	0644	edit dl rm
core_arch_ops_gcc_alpha.hpp	27813	0644	edit dl rm
core_arch_ops_gcc_arm.hpp	64434	0644	edit dl rm
core_arch_ops_gcc_ppc.hpp	39185	0644	edit dl rm
core_arch_ops_gcc_sparc.hpp	7480	0644	edit dl rm
core_arch_ops_gcc_x86.hpp	39479	0644	edit dl rm
core_arch_ops_msvc_arm.hpp	34246	0644	edit dl rm
core_arch_ops_msvc_x86.hpp	31645	0644	edit dl rm
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
extra_fp_ops_emulated.hpp	4864	0644	edit dl rm
extra_fp_ops_generic.hpp	7222	0644	edit dl rm
extra_operations.hpp	825	0644	edit dl rm
extra_operations_fwd.hpp	1034	0644	edit dl rm
extra_ops_emulated.hpp	11876	0644	edit dl rm
extra_ops_gcc_aarch32.hpp	37869	0644	edit dl rm
extra_ops_gcc_aarch64.hpp	47028	0644	edit dl rm
extra_ops_gcc_arm.hpp	52836	0644	edit dl rm
extra_ops_gcc_ppc.hpp	28665	0644	edit dl rm
extra_ops_gcc_x86.hpp	58227	0644	edit dl rm
extra_ops_generic.hpp	17217	0644	edit dl rm
extra_ops_msvc_arm.hpp	3765	0644	edit dl rm
extra_ops_msvc_x86.hpp	37529	0644	edit dl rm
fence_arch_operations.hpp	1077	0644	edit dl rm
fence_arch_ops_gcc_aarch32.hpp	1701	0644	edit dl rm
fence_arch_ops_gcc_aarch64.hpp	1624	0644	edit dl rm
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
ops_gcc_aarch64_common.hpp	1467	0644	edit dl rm
ops_gcc_arm_common.hpp	1963	0644	edit dl rm
ops_gcc_ppc_common.hpp	2762	0644	edit dl rm
ops_msvc_common.hpp	1318	0644	edit dl rm
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
wait_caps_freebsd_umtx.hpp	1539	0644	edit dl rm
wait_caps_futex.hpp	1027	0644	edit dl rm
wait_caps_windows.hpp	2340	0644	edit dl rm
wait_operations.hpp	828	0644	edit dl rm
wait_operations_fwd.hpp	1071	0644	edit dl rm
wait_ops_dragonfly_umtx.hpp	2354	0644	edit dl rm
wait_ops_emulated.hpp	3296	0644	edit dl rm
wait_ops_freebsd_umtx.hpp	3974	0644	edit dl rm
wait_ops_futex.hpp	3416	0644	edit dl rm
wait_ops_generic.hpp	4263	0644	edit dl rm
wait_ops_windows.hpp	4848	0644	edit dl rm

Edit: /usr/include/boost/atomic/detail/lock_pool.hpp (4689B)

/*
 * 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) 2011 Helge Bahmann
 * Copyright (c) 2013-2014, 2020 Andrey Semashev
 */
/*!
 * \file   atomic/detail/lock_pool.hpp
 *
 * This header contains declaration of the lock pool used to emulate atomic ops.
 */

#ifndef BOOST_ATOMIC_DETAIL_LOCK_POOL_HPP_INCLUDED_
#define BOOST_ATOMIC_DETAIL_LOCK_POOL_HPP_INCLUDED_

#include <cstddef>
#include <boost/atomic/detail/config.hpp>
#include <boost/atomic/detail/link.hpp>
#include <boost/atomic/detail/intptr.hpp>
#if defined(BOOST_WINDOWS)
#include <boost/winapi/thread.hpp>
#elif defined(BOOST_HAS_NANOSLEEP)
#include <time.h>
#else
#include <unistd.h>
#endif
#include <boost/atomic/detail/header.hpp>

#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif

namespace boost {
namespace atomics {
namespace detail {

BOOST_FORCEINLINE void wait_some() BOOST_NOEXCEPT
{
#if defined(BOOST_WINDOWS)
    boost::winapi::SwitchToThread();
#elif defined(BOOST_HAS_NANOSLEEP)
    // Do not use sched_yield or pthread_yield as at least on Linux it doesn't block the thread if there are no other
    // pending threads on the current CPU. Proper sleeping is guaranteed to block the thread, which allows other threads
    // to potentially migrate to this CPU and complete the tasks we're waiting for.
    struct ::timespec ts = {};
    ts.tv_sec = 0;
    ts.tv_nsec = 1000;
    ::nanosleep(&ts, NULL);
#else
    ::usleep(1);
#endif
}

namespace lock_pool {

BOOST_ATOMIC_DECL void* short_lock(atomics::detail::uintptr_t h) BOOST_NOEXCEPT;
BOOST_ATOMIC_DECL void* long_lock(atomics::detail::uintptr_t h) BOOST_NOEXCEPT;
BOOST_ATOMIC_DECL void unlock(void* ls) BOOST_NOEXCEPT;

BOOST_ATOMIC_DECL void* allocate_wait_state(void* ls, const volatile void* addr) BOOST_NOEXCEPT;
BOOST_ATOMIC_DECL void free_wait_state(void* ls, void* ws) BOOST_NOEXCEPT;
BOOST_ATOMIC_DECL void wait(void* ls, void* ws) BOOST_NOEXCEPT;
BOOST_ATOMIC_DECL void notify_one(void* ls, const volatile void* addr) BOOST_NOEXCEPT;
BOOST_ATOMIC_DECL void notify_all(void* ls, const volatile void* addr) BOOST_NOEXCEPT;

BOOST_ATOMIC_DECL void thread_fence() BOOST_NOEXCEPT;
BOOST_ATOMIC_DECL void signal_fence() BOOST_NOEXCEPT;

template< std::size_t Alignment >
BOOST_FORCEINLINE atomics::detail::uintptr_t hash_ptr(const volatile void* addr) BOOST_NOEXCEPT
{
    atomics::detail::uintptr_t ptr = (atomics::detail::uintptr_t)addr;
    atomics::detail::uintptr_t h = ptr / Alignment;

// Since many malloc/new implementations return pointers with higher alignment
    // than indicated by Alignment, it makes sense to mix higher bits
    // into the lower ones. On 64-bit platforms, malloc typically aligns to 16 bytes,
    // on 32-bit - to 8 bytes.
    BOOST_CONSTEXPR_OR_CONST std::size_t malloc_alignment = sizeof(void*) >= 8u ? 16u : 8u;
    BOOST_IF_CONSTEXPR (Alignment != malloc_alignment)
        h ^= ptr / malloc_alignment;

return h;
}

template< std::size_t Alignment, bool LongLock = false >
class scoped_lock
{
private:
    void* m_lock;

public:
    explicit scoped_lock(const volatile void* addr) BOOST_NOEXCEPT
    {
        atomics::detail::uintptr_t h = lock_pool::hash_ptr< Alignment >(addr);
        BOOST_IF_CONSTEXPR (!LongLock)
            m_lock = lock_pool::short_lock(h);
        else
            m_lock = lock_pool::long_lock(h);
    }
    ~scoped_lock() BOOST_NOEXCEPT
    {
        lock_pool::unlock(m_lock);
    }

void* get_lock_state() const BOOST_NOEXCEPT
    {
        return m_lock;
    }

BOOST_DELETED_FUNCTION(scoped_lock(scoped_lock const&))
    BOOST_DELETED_FUNCTION(scoped_lock& operator=(scoped_lock const&))
};

template< std::size_t Alignment >
class scoped_wait_state :
    public scoped_lock< Alignment, true >
{
private:
    void* m_wait_state;

public:
    explicit scoped_wait_state(const volatile void* addr) BOOST_NOEXCEPT :
        scoped_lock< Alignment, true >(addr)
    {
        m_wait_state = lock_pool::allocate_wait_state(this->get_lock_state(), addr);
    }
    ~scoped_wait_state() BOOST_NOEXCEPT
    {
        lock_pool::free_wait_state(this->get_lock_state(), m_wait_state);
    }

void wait() BOOST_NOEXCEPT
    {
        lock_pool::wait(this->get_lock_state(), m_wait_state);
    }

BOOST_DELETED_FUNCTION(scoped_wait_state(scoped_wait_state const&))
    BOOST_DELETED_FUNCTION(scoped_wait_state& operator=(scoped_wait_state const&))
};

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

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

#endif // BOOST_ATOMIC_DETAIL_LOCK_POOL_HPP_INCLUDED_

cmd: