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jeremybenn |
// -*- C++ -*- header.
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// Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// .
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// ????????????????????????????????????????????????????????????????????
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//
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// This is a copy of the libstdc++ header, with the trivial modification
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// of ignoring the c++config.h include. If and when the top-level build is
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// fixed so that target libraries can be built using the newly built, we can
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// delete this file.
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//
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// ????????????????????????????????????????????????????????????????????
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/** @file include/atomic
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* This is a Standard C++ Library header.
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*/
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// Based on "C++ Atomic Types and Operations" by Hans Boehm and Lawrence Crowl.
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// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2427.html
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#ifndef _GLIBCXX_ATOMIC
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#define _GLIBCXX_ATOMIC 1
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// #pragma GCC system_header
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// #ifndef __GXX_EXPERIMENTAL_CXX0X__
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// # include
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// #endif
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// #include
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namespace std // _GLIBCXX_VISIBILITY(default)
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{
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// _GLIBCXX_BEGIN_NAMESPACE_VERSION
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/**
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* @defgroup atomics Atomics
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*
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* Components for performing atomic operations.
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* @{
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*/
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/// Enumeration for memory_order
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typedef enum memory_order
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{
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memory_order_relaxed,
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memory_order_consume,
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memory_order_acquire,
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memory_order_release,
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memory_order_acq_rel,
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memory_order_seq_cst
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} memory_order;
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inline memory_order
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__calculate_memory_order(memory_order __m) noexcept
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{
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const bool __cond1 = __m == memory_order_release;
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const bool __cond2 = __m == memory_order_acq_rel;
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memory_order __mo1(__cond1 ? memory_order_relaxed : __m);
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memory_order __mo2(__cond2 ? memory_order_acquire : __mo1);
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return __mo2;
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}
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inline void
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atomic_thread_fence(memory_order __m) noexcept
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{
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__atomic_thread_fence (__m);
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}
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inline void
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atomic_signal_fence(memory_order __m) noexcept
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{
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__atomic_thread_fence (__m);
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}
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/// kill_dependency
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template
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inline _Tp
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kill_dependency(_Tp __y) noexcept
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{
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_Tp __ret(__y);
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return __ret;
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}
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/// Lock-free Property
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#define ATOMIC_BOOL_LOCK_FREE __GCC_ATOMIC_BOOL_LOCK_FREE
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#define ATOMIC_CHAR_LOCK_FREE __GCC_ATOMIC_CHAR_LOCK_FREE
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#define ATOMIC_WCHAR_T_LOCK_FREE __GCC_ATOMIC_WCHAR_T_LOCK_FREE
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#define ATOMIC_CHAR16_T_LOCK_FREE __GCC_ATOMIC_CHAR16_T_LOCK_FREE
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#define ATOMIC_CHAR32_T_LOCK_FREE __GCC_ATOMIC_CHAR32_T_LOCK_FREE
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#define ATOMIC_SHORT_LOCK_FREE __GCC_ATOMIC_SHORT_LOCK_FREE
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#define ATOMIC_INT_LOCK_FREE __GCC_ATOMIC_INT_LOCK_FREE
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#define ATOMIC_LONG_LOCK_FREE __GCC_ATOMIC_LONG_LOCK_FREE
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#define ATOMIC_LLONG_LOCK_FREE __GCC_ATOMIC_LLONG_LOCK_FREE
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#define ATOMIC_POINTER_LOCK_FREE __GCC_ATOMIC_POINTER_LOCK_FREE
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// Base types for atomics.
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template
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struct __atomic_base;
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/// atomic_char
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typedef __atomic_base atomic_char;
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/// atomic_schar
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typedef __atomic_base atomic_schar;
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/// atomic_uchar
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typedef __atomic_base atomic_uchar;
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/// atomic_short
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typedef __atomic_base atomic_short;
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/// atomic_ushort
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typedef __atomic_base atomic_ushort;
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/// atomic_int
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typedef __atomic_base atomic_int;
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/// atomic_uint
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typedef __atomic_base atomic_uint;
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/// atomic_long
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typedef __atomic_base atomic_long;
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/// atomic_ulong
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typedef __atomic_base atomic_ulong;
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/// atomic_llong
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typedef __atomic_base atomic_llong;
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/// atomic_ullong
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typedef __atomic_base atomic_ullong;
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/// atomic_wchar_t
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typedef __atomic_base atomic_wchar_t;
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/// atomic_char16_t
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typedef __atomic_base atomic_char16_t;
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/// atomic_char32_t
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typedef __atomic_base atomic_char32_t;
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/// atomic_char32_t
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typedef __atomic_base atomic_char32_t;
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/// atomic_int_least8_t
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typedef __atomic_base atomic_int_least8_t;
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/// atomic_uint_least8_t
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typedef __atomic_base atomic_uint_least8_t;
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/// atomic_int_least16_t
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typedef __atomic_base atomic_int_least16_t;
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/// atomic_uint_least16_t
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typedef __atomic_base atomic_uint_least16_t;
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/// atomic_int_least32_t
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typedef __atomic_base atomic_int_least32_t;
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/// atomic_uint_least32_t
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typedef __atomic_base atomic_uint_least32_t;
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/// atomic_int_least64_t
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typedef __atomic_base atomic_int_least64_t;
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/// atomic_uint_least64_t
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typedef __atomic_base atomic_uint_least64_t;
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/// atomic_int_fast8_t
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typedef __atomic_base atomic_int_fast8_t;
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/// atomic_uint_fast8_t
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typedef __atomic_base atomic_uint_fast8_t;
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/// atomic_int_fast16_t
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typedef __atomic_base atomic_int_fast16_t;
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/// atomic_uint_fast16_t
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typedef __atomic_base atomic_uint_fast16_t;
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/// atomic_int_fast32_t
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typedef __atomic_base atomic_int_fast32_t;
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/// atomic_uint_fast32_t
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typedef __atomic_base atomic_uint_fast32_t;
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/// atomic_int_fast64_t
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typedef __atomic_base atomic_int_fast64_t;
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/// atomic_uint_fast64_t
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typedef __atomic_base atomic_uint_fast64_t;
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/// atomic_intptr_t
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typedef __atomic_base atomic_intptr_t;
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/// atomic_uintptr_t
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typedef __atomic_base atomic_uintptr_t;
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/// atomic_size_t
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typedef __atomic_base atomic_size_t;
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/// atomic_intmax_t
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typedef __atomic_base atomic_intmax_t;
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/// atomic_uintmax_t
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typedef __atomic_base atomic_uintmax_t;
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/// atomic_ptrdiff_t
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typedef __atomic_base atomic_ptrdiff_t;
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#define ATOMIC_VAR_INIT(_VI) { _VI }
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template
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struct atomic;
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template
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struct atomic<_Tp*>;
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/**
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* @brief Base type for atomic_flag.
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*
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* Base type is POD with data, allowing atomic_flag to derive from
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* it and meet the standard layout type requirement. In addition to
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* compatibilty with a C interface, this allows different
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* implementations of atomic_flag to use the same atomic operation
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* functions, via a standard conversion to the __atomic_flag_base
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* argument.
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*/
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// _GLIBCXX_BEGIN_EXTERN_C
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struct __atomic_flag_base
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{
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bool _M_i;
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};
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// _GLIBCXX_END_EXTERN_C
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#define ATOMIC_FLAG_INIT { false }
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/// atomic_flag
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struct atomic_flag : public __atomic_flag_base
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{
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atomic_flag() noexcept = default;
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~atomic_flag() noexcept = default;
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atomic_flag(const atomic_flag&) = delete;
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atomic_flag& operator=(const atomic_flag&) = delete;
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atomic_flag& operator=(const atomic_flag&) volatile = delete;
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// Conversion to ATOMIC_FLAG_INIT.
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atomic_flag(bool __i) noexcept : __atomic_flag_base({ __i }) { }
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bool
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test_and_set(memory_order __m = memory_order_seq_cst) noexcept
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{
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return __atomic_test_and_set (&_M_i, __m);
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}
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bool
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test_and_set(memory_order __m = memory_order_seq_cst) volatile noexcept
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{
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return __atomic_test_and_set (&_M_i, __m);
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}
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void
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clear(memory_order __m = memory_order_seq_cst) noexcept
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{
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// __glibcxx_assert(__m != memory_order_consume);
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// __glibcxx_assert(__m != memory_order_acquire);
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// __glibcxx_assert(__m != memory_order_acq_rel);
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| 299 |
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__atomic_clear (&_M_i, __m);
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}
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void
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clear(memory_order __m = memory_order_seq_cst) volatile noexcept
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| 304 |
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{
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// __glibcxx_assert(__m != memory_order_consume);
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| 306 |
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// __glibcxx_assert(__m != memory_order_acquire);
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// __glibcxx_assert(__m != memory_order_acq_rel);
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| 309 |
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__atomic_clear (&_M_i, __m);
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}
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};
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| 314 |
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/// Base class for atomic integrals.
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//
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| 316 |
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// For each of the integral types, define atomic_[integral type] struct
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| 317 |
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//
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| 318 |
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// atomic_bool bool
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| 319 |
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// atomic_char char
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// atomic_schar signed char
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// atomic_uchar unsigned char
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| 322 |
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// atomic_short short
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| 323 |
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// atomic_ushort unsigned short
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| 324 |
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// atomic_int int
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| 325 |
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// atomic_uint unsigned int
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| 326 |
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// atomic_long long
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| 327 |
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// atomic_ulong unsigned long
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| 328 |
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// atomic_llong long long
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| 329 |
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// atomic_ullong unsigned long long
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| 330 |
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// atomic_char16_t char16_t
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// atomic_char32_t char32_t
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| 332 |
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// atomic_wchar_t wchar_t
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| 333 |
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//
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| 334 |
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// NB: Assuming _ITp is an integral scalar type that is 1, 2, 4, or
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| 335 |
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// 8 bytes, since that is what GCC built-in functions for atomic
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// memory access expect.
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| 337 |
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template
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| 338 |
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struct __atomic_base
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| 339 |
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{
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| 340 |
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private:
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| 341 |
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typedef _ITp __int_type;
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| 342 |
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| 343 |
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__int_type _M_i;
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| 344 |
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| 345 |
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public:
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| 346 |
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__atomic_base() noexcept = default;
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| 347 |
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~__atomic_base() noexcept = default;
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| 348 |
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__atomic_base(const __atomic_base&) = delete;
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| 349 |
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__atomic_base& operator=(const __atomic_base&) = delete;
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| 350 |
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__atomic_base& operator=(const __atomic_base&) volatile = delete;
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| 351 |
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| 352 |
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// Requires __int_type convertible to _M_i.
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| 353 |
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constexpr __atomic_base(__int_type __i) noexcept : _M_i (__i) { }
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| 354 |
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| 355 |
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operator __int_type() const noexcept
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| 356 |
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{ return load(); }
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| 357 |
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| 358 |
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operator __int_type() const volatile noexcept
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| 359 |
|
|
{ return load(); }
|
| 360 |
|
|
|
| 361 |
|
|
__int_type
|
| 362 |
|
|
operator=(__int_type __i) noexcept
|
| 363 |
|
|
{
|
| 364 |
|
|
store(__i);
|
| 365 |
|
|
return __i;
|
| 366 |
|
|
}
|
| 367 |
|
|
|
| 368 |
|
|
__int_type
|
| 369 |
|
|
operator=(__int_type __i) volatile noexcept
|
| 370 |
|
|
{
|
| 371 |
|
|
store(__i);
|
| 372 |
|
|
return __i;
|
| 373 |
|
|
}
|
| 374 |
|
|
|
| 375 |
|
|
__int_type
|
| 376 |
|
|
operator++(int) noexcept
|
| 377 |
|
|
{ return fetch_add(1); }
|
| 378 |
|
|
|
| 379 |
|
|
__int_type
|
| 380 |
|
|
operator++(int) volatile noexcept
|
| 381 |
|
|
{ return fetch_add(1); }
|
| 382 |
|
|
|
| 383 |
|
|
__int_type
|
| 384 |
|
|
operator--(int) noexcept
|
| 385 |
|
|
{ return fetch_sub(1); }
|
| 386 |
|
|
|
| 387 |
|
|
__int_type
|
| 388 |
|
|
operator--(int) volatile noexcept
|
| 389 |
|
|
{ return fetch_sub(1); }
|
| 390 |
|
|
|
| 391 |
|
|
__int_type
|
| 392 |
|
|
operator++() noexcept
|
| 393 |
|
|
{ return __atomic_add_fetch(&_M_i, 1, memory_order_seq_cst); }
|
| 394 |
|
|
|
| 395 |
|
|
__int_type
|
| 396 |
|
|
operator++() volatile noexcept
|
| 397 |
|
|
{ return __atomic_add_fetch(&_M_i, 1, memory_order_seq_cst); }
|
| 398 |
|
|
|
| 399 |
|
|
__int_type
|
| 400 |
|
|
operator--() noexcept
|
| 401 |
|
|
{ return __atomic_sub_fetch(&_M_i, 1, memory_order_seq_cst); }
|
| 402 |
|
|
|
| 403 |
|
|
__int_type
|
| 404 |
|
|
operator--() volatile noexcept
|
| 405 |
|
|
{ return __atomic_sub_fetch(&_M_i, 1, memory_order_seq_cst); }
|
| 406 |
|
|
|
| 407 |
|
|
__int_type
|
| 408 |
|
|
operator+=(__int_type __i) noexcept
|
| 409 |
|
|
{ return __atomic_add_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 410 |
|
|
|
| 411 |
|
|
__int_type
|
| 412 |
|
|
operator+=(__int_type __i) volatile noexcept
|
| 413 |
|
|
{ return __atomic_add_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 414 |
|
|
|
| 415 |
|
|
__int_type
|
| 416 |
|
|
operator-=(__int_type __i) noexcept
|
| 417 |
|
|
{ return __atomic_sub_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 418 |
|
|
|
| 419 |
|
|
__int_type
|
| 420 |
|
|
operator-=(__int_type __i) volatile noexcept
|
| 421 |
|
|
{ return __atomic_sub_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 422 |
|
|
|
| 423 |
|
|
__int_type
|
| 424 |
|
|
operator&=(__int_type __i) noexcept
|
| 425 |
|
|
{ return __atomic_and_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 426 |
|
|
|
| 427 |
|
|
__int_type
|
| 428 |
|
|
operator&=(__int_type __i) volatile noexcept
|
| 429 |
|
|
{ return __atomic_and_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 430 |
|
|
|
| 431 |
|
|
__int_type
|
| 432 |
|
|
operator|=(__int_type __i) noexcept
|
| 433 |
|
|
{ return __atomic_or_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 434 |
|
|
|
| 435 |
|
|
__int_type
|
| 436 |
|
|
operator|=(__int_type __i) volatile noexcept
|
| 437 |
|
|
{ return __atomic_or_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 438 |
|
|
|
| 439 |
|
|
__int_type
|
| 440 |
|
|
operator^=(__int_type __i) noexcept
|
| 441 |
|
|
{ return __atomic_xor_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 442 |
|
|
|
| 443 |
|
|
__int_type
|
| 444 |
|
|
operator^=(__int_type __i) volatile noexcept
|
| 445 |
|
|
{ return __atomic_xor_fetch(&_M_i, __i, memory_order_seq_cst); }
|
| 446 |
|
|
|
| 447 |
|
|
bool
|
| 448 |
|
|
is_lock_free() const noexcept
|
| 449 |
|
|
{ return __atomic_is_lock_free (sizeof (_M_i), &_M_i); }
|
| 450 |
|
|
|
| 451 |
|
|
bool
|
| 452 |
|
|
is_lock_free() const volatile noexcept
|
| 453 |
|
|
{ return __atomic_is_lock_free (sizeof (_M_i), &_M_i); }
|
| 454 |
|
|
|
| 455 |
|
|
void
|
| 456 |
|
|
store(__int_type __i, memory_order __m = memory_order_seq_cst) noexcept
|
| 457 |
|
|
{
|
| 458 |
|
|
// __glibcxx_assert(__m != memory_order_acquire);
|
| 459 |
|
|
// __glibcxx_assert(__m != memory_order_acq_rel);
|
| 460 |
|
|
// __glibcxx_assert(__m != memory_order_consume);
|
| 461 |
|
|
|
| 462 |
|
|
__atomic_store_n(&_M_i, __i, __m);
|
| 463 |
|
|
}
|
| 464 |
|
|
|
| 465 |
|
|
void
|
| 466 |
|
|
store(__int_type __i,
|
| 467 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 468 |
|
|
{
|
| 469 |
|
|
// __glibcxx_assert(__m != memory_order_acquire);
|
| 470 |
|
|
// __glibcxx_assert(__m != memory_order_acq_rel);
|
| 471 |
|
|
// __glibcxx_assert(__m != memory_order_consume);
|
| 472 |
|
|
|
| 473 |
|
|
__atomic_store_n(&_M_i, __i, __m);
|
| 474 |
|
|
}
|
| 475 |
|
|
|
| 476 |
|
|
__int_type
|
| 477 |
|
|
load(memory_order __m = memory_order_seq_cst) const noexcept
|
| 478 |
|
|
{
|
| 479 |
|
|
// __glibcxx_assert(__m != memory_order_release);
|
| 480 |
|
|
// __glibcxx_assert(__m != memory_order_acq_rel);
|
| 481 |
|
|
|
| 482 |
|
|
return __atomic_load_n(&_M_i, __m);
|
| 483 |
|
|
}
|
| 484 |
|
|
|
| 485 |
|
|
__int_type
|
| 486 |
|
|
load(memory_order __m = memory_order_seq_cst) const volatile noexcept
|
| 487 |
|
|
{
|
| 488 |
|
|
// __glibcxx_assert(__m != memory_order_release);
|
| 489 |
|
|
// __glibcxx_assert(__m != memory_order_acq_rel);
|
| 490 |
|
|
|
| 491 |
|
|
return __atomic_load_n(&_M_i, __m);
|
| 492 |
|
|
}
|
| 493 |
|
|
|
| 494 |
|
|
__int_type
|
| 495 |
|
|
exchange(__int_type __i,
|
| 496 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 497 |
|
|
{
|
| 498 |
|
|
return __atomic_exchange_n(&_M_i, __i, __m);
|
| 499 |
|
|
}
|
| 500 |
|
|
|
| 501 |
|
|
|
| 502 |
|
|
__int_type
|
| 503 |
|
|
exchange(__int_type __i,
|
| 504 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 505 |
|
|
{
|
| 506 |
|
|
return __atomic_exchange_n(&_M_i, __i, __m);
|
| 507 |
|
|
}
|
| 508 |
|
|
|
| 509 |
|
|
bool
|
| 510 |
|
|
compare_exchange_weak(__int_type& __i1, __int_type __i2,
|
| 511 |
|
|
memory_order __m1, memory_order __m2) noexcept
|
| 512 |
|
|
{
|
| 513 |
|
|
// __glibcxx_assert(__m2 != memory_order_release);
|
| 514 |
|
|
// __glibcxx_assert(__m2 != memory_order_acq_rel);
|
| 515 |
|
|
// __glibcxx_assert(__m2 <= __m1);
|
| 516 |
|
|
|
| 517 |
|
|
return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 1, __m1, __m2);
|
| 518 |
|
|
}
|
| 519 |
|
|
|
| 520 |
|
|
bool
|
| 521 |
|
|
compare_exchange_weak(__int_type& __i1, __int_type __i2,
|
| 522 |
|
|
memory_order __m1,
|
| 523 |
|
|
memory_order __m2) volatile noexcept
|
| 524 |
|
|
{
|
| 525 |
|
|
// __glibcxx_assert(__m2 != memory_order_release);
|
| 526 |
|
|
// __glibcxx_assert(__m2 != memory_order_acq_rel);
|
| 527 |
|
|
// __glibcxx_assert(__m2 <= __m1);
|
| 528 |
|
|
|
| 529 |
|
|
return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 1, __m1, __m2);
|
| 530 |
|
|
}
|
| 531 |
|
|
|
| 532 |
|
|
bool
|
| 533 |
|
|
compare_exchange_weak(__int_type& __i1, __int_type __i2,
|
| 534 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 535 |
|
|
{
|
| 536 |
|
|
return compare_exchange_weak(__i1, __i2, __m,
|
| 537 |
|
|
__calculate_memory_order(__m));
|
| 538 |
|
|
}
|
| 539 |
|
|
|
| 540 |
|
|
bool
|
| 541 |
|
|
compare_exchange_weak(__int_type& __i1, __int_type __i2,
|
| 542 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 543 |
|
|
{
|
| 544 |
|
|
return compare_exchange_weak(__i1, __i2, __m,
|
| 545 |
|
|
__calculate_memory_order(__m));
|
| 546 |
|
|
}
|
| 547 |
|
|
|
| 548 |
|
|
bool
|
| 549 |
|
|
compare_exchange_strong(__int_type& __i1, __int_type __i2,
|
| 550 |
|
|
memory_order __m1, memory_order __m2) noexcept
|
| 551 |
|
|
{
|
| 552 |
|
|
// __glibcxx_assert(__m2 != memory_order_release);
|
| 553 |
|
|
// __glibcxx_assert(__m2 != memory_order_acq_rel);
|
| 554 |
|
|
// __glibcxx_assert(__m2 <= __m1);
|
| 555 |
|
|
|
| 556 |
|
|
return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 0, __m1, __m2);
|
| 557 |
|
|
}
|
| 558 |
|
|
|
| 559 |
|
|
bool
|
| 560 |
|
|
compare_exchange_strong(__int_type& __i1, __int_type __i2,
|
| 561 |
|
|
memory_order __m1,
|
| 562 |
|
|
memory_order __m2) volatile noexcept
|
| 563 |
|
|
{
|
| 564 |
|
|
// __glibcxx_assert(__m2 != memory_order_release);
|
| 565 |
|
|
// __glibcxx_assert(__m2 != memory_order_acq_rel);
|
| 566 |
|
|
// __glibcxx_assert(__m2 <= __m1);
|
| 567 |
|
|
|
| 568 |
|
|
return __atomic_compare_exchange_n(&_M_i, &__i1, __i2, 0, __m1, __m2);
|
| 569 |
|
|
}
|
| 570 |
|
|
|
| 571 |
|
|
bool
|
| 572 |
|
|
compare_exchange_strong(__int_type& __i1, __int_type __i2,
|
| 573 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 574 |
|
|
{
|
| 575 |
|
|
return compare_exchange_strong(__i1, __i2, __m,
|
| 576 |
|
|
__calculate_memory_order(__m));
|
| 577 |
|
|
}
|
| 578 |
|
|
|
| 579 |
|
|
bool
|
| 580 |
|
|
compare_exchange_strong(__int_type& __i1, __int_type __i2,
|
| 581 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 582 |
|
|
{
|
| 583 |
|
|
return compare_exchange_strong(__i1, __i2, __m,
|
| 584 |
|
|
__calculate_memory_order(__m));
|
| 585 |
|
|
}
|
| 586 |
|
|
|
| 587 |
|
|
__int_type
|
| 588 |
|
|
fetch_add(__int_type __i,
|
| 589 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 590 |
|
|
{ return __atomic_fetch_add(&_M_i, __i, __m); }
|
| 591 |
|
|
|
| 592 |
|
|
__int_type
|
| 593 |
|
|
fetch_add(__int_type __i,
|
| 594 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 595 |
|
|
{ return __atomic_fetch_add(&_M_i, __i, __m); }
|
| 596 |
|
|
|
| 597 |
|
|
__int_type
|
| 598 |
|
|
fetch_sub(__int_type __i,
|
| 599 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 600 |
|
|
{ return __atomic_fetch_sub(&_M_i, __i, __m); }
|
| 601 |
|
|
|
| 602 |
|
|
__int_type
|
| 603 |
|
|
fetch_sub(__int_type __i,
|
| 604 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 605 |
|
|
{ return __atomic_fetch_sub(&_M_i, __i, __m); }
|
| 606 |
|
|
|
| 607 |
|
|
__int_type
|
| 608 |
|
|
fetch_and(__int_type __i,
|
| 609 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 610 |
|
|
{ return __atomic_fetch_and(&_M_i, __i, __m); }
|
| 611 |
|
|
|
| 612 |
|
|
__int_type
|
| 613 |
|
|
fetch_and(__int_type __i,
|
| 614 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 615 |
|
|
{ return __atomic_fetch_and(&_M_i, __i, __m); }
|
| 616 |
|
|
|
| 617 |
|
|
__int_type
|
| 618 |
|
|
fetch_or(__int_type __i,
|
| 619 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 620 |
|
|
{ return __atomic_fetch_or(&_M_i, __i, __m); }
|
| 621 |
|
|
|
| 622 |
|
|
__int_type
|
| 623 |
|
|
fetch_or(__int_type __i,
|
| 624 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 625 |
|
|
{ return __atomic_fetch_or(&_M_i, __i, __m); }
|
| 626 |
|
|
|
| 627 |
|
|
__int_type
|
| 628 |
|
|
fetch_xor(__int_type __i,
|
| 629 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 630 |
|
|
{ return __atomic_fetch_xor(&_M_i, __i, __m); }
|
| 631 |
|
|
|
| 632 |
|
|
__int_type
|
| 633 |
|
|
fetch_xor(__int_type __i,
|
| 634 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 635 |
|
|
{ return __atomic_fetch_xor(&_M_i, __i, __m); }
|
| 636 |
|
|
};
|
| 637 |
|
|
|
| 638 |
|
|
|
| 639 |
|
|
/// Partial specialization for pointer types.
|
| 640 |
|
|
template
|
| 641 |
|
|
struct __atomic_base<_PTp*>
|
| 642 |
|
|
{
|
| 643 |
|
|
private:
|
| 644 |
|
|
typedef _PTp* __pointer_type;
|
| 645 |
|
|
|
| 646 |
|
|
__pointer_type _M_p;
|
| 647 |
|
|
|
| 648 |
|
|
public:
|
| 649 |
|
|
__atomic_base() noexcept = default;
|
| 650 |
|
|
~__atomic_base() noexcept = default;
|
| 651 |
|
|
__atomic_base(const __atomic_base&) = delete;
|
| 652 |
|
|
__atomic_base& operator=(const __atomic_base&) = delete;
|
| 653 |
|
|
__atomic_base& operator=(const __atomic_base&) volatile = delete;
|
| 654 |
|
|
|
| 655 |
|
|
// Requires __pointer_type convertible to _M_p.
|
| 656 |
|
|
constexpr __atomic_base(__pointer_type __p) noexcept : _M_p (__p) { }
|
| 657 |
|
|
|
| 658 |
|
|
operator __pointer_type() const noexcept
|
| 659 |
|
|
{ return load(); }
|
| 660 |
|
|
|
| 661 |
|
|
operator __pointer_type() const volatile noexcept
|
| 662 |
|
|
{ return load(); }
|
| 663 |
|
|
|
| 664 |
|
|
__pointer_type
|
| 665 |
|
|
operator=(__pointer_type __p) noexcept
|
| 666 |
|
|
{
|
| 667 |
|
|
store(__p);
|
| 668 |
|
|
return __p;
|
| 669 |
|
|
}
|
| 670 |
|
|
|
| 671 |
|
|
__pointer_type
|
| 672 |
|
|
operator=(__pointer_type __p) volatile noexcept
|
| 673 |
|
|
{
|
| 674 |
|
|
store(__p);
|
| 675 |
|
|
return __p;
|
| 676 |
|
|
}
|
| 677 |
|
|
|
| 678 |
|
|
__pointer_type
|
| 679 |
|
|
operator++(int) noexcept
|
| 680 |
|
|
{ return fetch_add(1); }
|
| 681 |
|
|
|
| 682 |
|
|
__pointer_type
|
| 683 |
|
|
operator++(int) volatile noexcept
|
| 684 |
|
|
{ return fetch_add(1); }
|
| 685 |
|
|
|
| 686 |
|
|
__pointer_type
|
| 687 |
|
|
operator--(int) noexcept
|
| 688 |
|
|
{ return fetch_sub(1); }
|
| 689 |
|
|
|
| 690 |
|
|
__pointer_type
|
| 691 |
|
|
operator--(int) volatile noexcept
|
| 692 |
|
|
{ return fetch_sub(1); }
|
| 693 |
|
|
|
| 694 |
|
|
__pointer_type
|
| 695 |
|
|
operator++() noexcept
|
| 696 |
|
|
{ return __atomic_add_fetch(&_M_p, 1, memory_order_seq_cst); }
|
| 697 |
|
|
|
| 698 |
|
|
__pointer_type
|
| 699 |
|
|
operator++() volatile noexcept
|
| 700 |
|
|
{ return __atomic_add_fetch(&_M_p, 1, memory_order_seq_cst); }
|
| 701 |
|
|
|
| 702 |
|
|
__pointer_type
|
| 703 |
|
|
operator--() noexcept
|
| 704 |
|
|
{ return __atomic_sub_fetch(&_M_p, 1, memory_order_seq_cst); }
|
| 705 |
|
|
|
| 706 |
|
|
__pointer_type
|
| 707 |
|
|
operator--() volatile noexcept
|
| 708 |
|
|
{ return __atomic_sub_fetch(&_M_p, 1, memory_order_seq_cst); }
|
| 709 |
|
|
|
| 710 |
|
|
__pointer_type
|
| 711 |
|
|
operator+=(ptrdiff_t __d) noexcept
|
| 712 |
|
|
{ return __atomic_add_fetch(&_M_p, __d, memory_order_seq_cst); }
|
| 713 |
|
|
|
| 714 |
|
|
__pointer_type
|
| 715 |
|
|
operator+=(ptrdiff_t __d) volatile noexcept
|
| 716 |
|
|
{ return __atomic_add_fetch(&_M_p, __d, memory_order_seq_cst); }
|
| 717 |
|
|
|
| 718 |
|
|
__pointer_type
|
| 719 |
|
|
operator-=(ptrdiff_t __d) noexcept
|
| 720 |
|
|
{ return __atomic_sub_fetch(&_M_p, __d, memory_order_seq_cst); }
|
| 721 |
|
|
|
| 722 |
|
|
__pointer_type
|
| 723 |
|
|
operator-=(ptrdiff_t __d) volatile noexcept
|
| 724 |
|
|
{ return __atomic_sub_fetch(&_M_p, __d, memory_order_seq_cst); }
|
| 725 |
|
|
|
| 726 |
|
|
bool
|
| 727 |
|
|
is_lock_free() const noexcept
|
| 728 |
|
|
{ return __atomic_is_lock_free (sizeof (_M_p), &_M_p); }
|
| 729 |
|
|
|
| 730 |
|
|
bool
|
| 731 |
|
|
is_lock_free() const volatile noexcept
|
| 732 |
|
|
{ return __atomic_is_lock_free (sizeof (_M_p), &_M_p); }
|
| 733 |
|
|
|
| 734 |
|
|
void
|
| 735 |
|
|
store(__pointer_type __p,
|
| 736 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 737 |
|
|
{
|
| 738 |
|
|
// __glibcxx_assert(__m != memory_order_acquire);
|
| 739 |
|
|
// __glibcxx_assert(__m != memory_order_acq_rel);
|
| 740 |
|
|
// __glibcxx_assert(__m != memory_order_consume);
|
| 741 |
|
|
|
| 742 |
|
|
__atomic_store_n(&_M_p, __p, __m);
|
| 743 |
|
|
}
|
| 744 |
|
|
|
| 745 |
|
|
void
|
| 746 |
|
|
store(__pointer_type __p,
|
| 747 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 748 |
|
|
{
|
| 749 |
|
|
// __glibcxx_assert(__m != memory_order_acquire);
|
| 750 |
|
|
// __glibcxx_assert(__m != memory_order_acq_rel);
|
| 751 |
|
|
// __glibcxx_assert(__m != memory_order_consume);
|
| 752 |
|
|
|
| 753 |
|
|
__atomic_store_n(&_M_p, __p, __m);
|
| 754 |
|
|
}
|
| 755 |
|
|
|
| 756 |
|
|
__pointer_type
|
| 757 |
|
|
load(memory_order __m = memory_order_seq_cst) const noexcept
|
| 758 |
|
|
{
|
| 759 |
|
|
// __glibcxx_assert(__m != memory_order_release);
|
| 760 |
|
|
// __glibcxx_assert(__m != memory_order_acq_rel);
|
| 761 |
|
|
|
| 762 |
|
|
return __atomic_load_n(&_M_p, __m);
|
| 763 |
|
|
}
|
| 764 |
|
|
|
| 765 |
|
|
__pointer_type
|
| 766 |
|
|
load(memory_order __m = memory_order_seq_cst) const volatile noexcept
|
| 767 |
|
|
{
|
| 768 |
|
|
// __glibcxx_assert(__m != memory_order_release);
|
| 769 |
|
|
// __glibcxx_assert(__m != memory_order_acq_rel);
|
| 770 |
|
|
|
| 771 |
|
|
return __atomic_load_n(&_M_p, __m);
|
| 772 |
|
|
}
|
| 773 |
|
|
|
| 774 |
|
|
__pointer_type
|
| 775 |
|
|
exchange(__pointer_type __p,
|
| 776 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 777 |
|
|
{
|
| 778 |
|
|
return __atomic_exchange_n(&_M_p, __p, __m);
|
| 779 |
|
|
}
|
| 780 |
|
|
|
| 781 |
|
|
|
| 782 |
|
|
__pointer_type
|
| 783 |
|
|
exchange(__pointer_type __p,
|
| 784 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 785 |
|
|
{
|
| 786 |
|
|
return __atomic_exchange_n(&_M_p, __p, __m);
|
| 787 |
|
|
}
|
| 788 |
|
|
|
| 789 |
|
|
bool
|
| 790 |
|
|
compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
|
| 791 |
|
|
memory_order __m1,
|
| 792 |
|
|
memory_order __m2) noexcept
|
| 793 |
|
|
{
|
| 794 |
|
|
// __glibcxx_assert(__m2 != memory_order_release);
|
| 795 |
|
|
// __glibcxx_assert(__m2 != memory_order_acq_rel);
|
| 796 |
|
|
// __glibcxx_assert(__m2 <= __m1);
|
| 797 |
|
|
|
| 798 |
|
|
return __atomic_compare_exchange_n(&_M_p, &__p1, __p2, 0, __m1, __m2);
|
| 799 |
|
|
}
|
| 800 |
|
|
|
| 801 |
|
|
bool
|
| 802 |
|
|
compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
|
| 803 |
|
|
memory_order __m1,
|
| 804 |
|
|
memory_order __m2) volatile noexcept
|
| 805 |
|
|
{
|
| 806 |
|
|
// __glibcxx_assert(__m2 != memory_order_release);
|
| 807 |
|
|
// __glibcxx_assert(__m2 != memory_order_acq_rel);
|
| 808 |
|
|
// __glibcxx_assert(__m2 <= __m1);
|
| 809 |
|
|
|
| 810 |
|
|
return __atomic_compare_exchange_n(&_M_p, &__p1, __p2, 0, __m1, __m2);
|
| 811 |
|
|
}
|
| 812 |
|
|
|
| 813 |
|
|
__pointer_type
|
| 814 |
|
|
fetch_add(ptrdiff_t __d,
|
| 815 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 816 |
|
|
{ return __atomic_fetch_add(&_M_p, __d, __m); }
|
| 817 |
|
|
|
| 818 |
|
|
__pointer_type
|
| 819 |
|
|
fetch_add(ptrdiff_t __d,
|
| 820 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 821 |
|
|
{ return __atomic_fetch_add(&_M_p, __d, __m); }
|
| 822 |
|
|
|
| 823 |
|
|
__pointer_type
|
| 824 |
|
|
fetch_sub(ptrdiff_t __d,
|
| 825 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 826 |
|
|
{ return __atomic_fetch_sub(&_M_p, __d, __m); }
|
| 827 |
|
|
|
| 828 |
|
|
__pointer_type
|
| 829 |
|
|
fetch_sub(ptrdiff_t __d,
|
| 830 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 831 |
|
|
{ return __atomic_fetch_sub(&_M_p, __d, __m); }
|
| 832 |
|
|
};
|
| 833 |
|
|
|
| 834 |
|
|
|
| 835 |
|
|
/**
|
| 836 |
|
|
* @addtogroup atomics
|
| 837 |
|
|
* @{
|
| 838 |
|
|
*/
|
| 839 |
|
|
|
| 840 |
|
|
/// atomic_bool
|
| 841 |
|
|
// NB: No operators or fetch-operations for this type.
|
| 842 |
|
|
struct atomic_bool
|
| 843 |
|
|
{
|
| 844 |
|
|
private:
|
| 845 |
|
|
__atomic_base _M_base;
|
| 846 |
|
|
|
| 847 |
|
|
public:
|
| 848 |
|
|
atomic_bool() noexcept = default;
|
| 849 |
|
|
~atomic_bool() noexcept = default;
|
| 850 |
|
|
atomic_bool(const atomic_bool&) = delete;
|
| 851 |
|
|
atomic_bool& operator=(const atomic_bool&) = delete;
|
| 852 |
|
|
atomic_bool& operator=(const atomic_bool&) volatile = delete;
|
| 853 |
|
|
|
| 854 |
|
|
constexpr atomic_bool(bool __i) noexcept : _M_base(__i) { }
|
| 855 |
|
|
|
| 856 |
|
|
bool
|
| 857 |
|
|
operator=(bool __i) noexcept
|
| 858 |
|
|
{ return _M_base.operator=(__i); }
|
| 859 |
|
|
|
| 860 |
|
|
operator bool() const noexcept
|
| 861 |
|
|
{ return _M_base.load(); }
|
| 862 |
|
|
|
| 863 |
|
|
operator bool() const volatile noexcept
|
| 864 |
|
|
{ return _M_base.load(); }
|
| 865 |
|
|
|
| 866 |
|
|
bool
|
| 867 |
|
|
is_lock_free() const noexcept { return _M_base.is_lock_free(); }
|
| 868 |
|
|
|
| 869 |
|
|
bool
|
| 870 |
|
|
is_lock_free() const volatile noexcept { return _M_base.is_lock_free(); }
|
| 871 |
|
|
|
| 872 |
|
|
void
|
| 873 |
|
|
store(bool __i, memory_order __m = memory_order_seq_cst) noexcept
|
| 874 |
|
|
{ _M_base.store(__i, __m); }
|
| 875 |
|
|
|
| 876 |
|
|
void
|
| 877 |
|
|
store(bool __i, memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 878 |
|
|
{ _M_base.store(__i, __m); }
|
| 879 |
|
|
|
| 880 |
|
|
bool
|
| 881 |
|
|
load(memory_order __m = memory_order_seq_cst) const noexcept
|
| 882 |
|
|
{ return _M_base.load(__m); }
|
| 883 |
|
|
|
| 884 |
|
|
bool
|
| 885 |
|
|
load(memory_order __m = memory_order_seq_cst) const volatile noexcept
|
| 886 |
|
|
{ return _M_base.load(__m); }
|
| 887 |
|
|
|
| 888 |
|
|
bool
|
| 889 |
|
|
exchange(bool __i, memory_order __m = memory_order_seq_cst) noexcept
|
| 890 |
|
|
{ return _M_base.exchange(__i, __m); }
|
| 891 |
|
|
|
| 892 |
|
|
bool
|
| 893 |
|
|
exchange(bool __i,
|
| 894 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 895 |
|
|
{ return _M_base.exchange(__i, __m); }
|
| 896 |
|
|
|
| 897 |
|
|
bool
|
| 898 |
|
|
compare_exchange_weak(bool& __i1, bool __i2, memory_order __m1,
|
| 899 |
|
|
memory_order __m2) noexcept
|
| 900 |
|
|
{ return _M_base.compare_exchange_weak(__i1, __i2, __m1, __m2); }
|
| 901 |
|
|
|
| 902 |
|
|
bool
|
| 903 |
|
|
compare_exchange_weak(bool& __i1, bool __i2, memory_order __m1,
|
| 904 |
|
|
memory_order __m2) volatile noexcept
|
| 905 |
|
|
{ return _M_base.compare_exchange_weak(__i1, __i2, __m1, __m2); }
|
| 906 |
|
|
|
| 907 |
|
|
bool
|
| 908 |
|
|
compare_exchange_weak(bool& __i1, bool __i2,
|
| 909 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 910 |
|
|
{ return _M_base.compare_exchange_weak(__i1, __i2, __m); }
|
| 911 |
|
|
|
| 912 |
|
|
bool
|
| 913 |
|
|
compare_exchange_weak(bool& __i1, bool __i2,
|
| 914 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 915 |
|
|
{ return _M_base.compare_exchange_weak(__i1, __i2, __m); }
|
| 916 |
|
|
|
| 917 |
|
|
bool
|
| 918 |
|
|
compare_exchange_strong(bool& __i1, bool __i2, memory_order __m1,
|
| 919 |
|
|
memory_order __m2) noexcept
|
| 920 |
|
|
{ return _M_base.compare_exchange_strong(__i1, __i2, __m1, __m2); }
|
| 921 |
|
|
|
| 922 |
|
|
bool
|
| 923 |
|
|
compare_exchange_strong(bool& __i1, bool __i2, memory_order __m1,
|
| 924 |
|
|
memory_order __m2) volatile noexcept
|
| 925 |
|
|
{ return _M_base.compare_exchange_strong(__i1, __i2, __m1, __m2); }
|
| 926 |
|
|
|
| 927 |
|
|
bool
|
| 928 |
|
|
compare_exchange_strong(bool& __i1, bool __i2,
|
| 929 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 930 |
|
|
{ return _M_base.compare_exchange_strong(__i1, __i2, __m); }
|
| 931 |
|
|
|
| 932 |
|
|
bool
|
| 933 |
|
|
compare_exchange_strong(bool& __i1, bool __i2,
|
| 934 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 935 |
|
|
{ return _M_base.compare_exchange_strong(__i1, __i2, __m); }
|
| 936 |
|
|
};
|
| 937 |
|
|
|
| 938 |
|
|
|
| 939 |
|
|
/// atomic
|
| 940 |
|
|
/// 29.4.3, Generic atomic type, primary class template.
|
| 941 |
|
|
template
|
| 942 |
|
|
struct atomic
|
| 943 |
|
|
{
|
| 944 |
|
|
private:
|
| 945 |
|
|
_Tp _M_i;
|
| 946 |
|
|
|
| 947 |
|
|
public:
|
| 948 |
|
|
atomic() noexcept = default;
|
| 949 |
|
|
~atomic() noexcept = default;
|
| 950 |
|
|
atomic(const atomic&) = delete;
|
| 951 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 952 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 953 |
|
|
|
| 954 |
|
|
constexpr atomic(_Tp __i) noexcept : _M_i(__i) { }
|
| 955 |
|
|
|
| 956 |
|
|
operator _Tp() const noexcept
|
| 957 |
|
|
{ return load(); }
|
| 958 |
|
|
|
| 959 |
|
|
operator _Tp() const volatile noexcept
|
| 960 |
|
|
{ return load(); }
|
| 961 |
|
|
|
| 962 |
|
|
_Tp
|
| 963 |
|
|
operator=(_Tp __i) noexcept
|
| 964 |
|
|
{ store(__i); return __i; }
|
| 965 |
|
|
|
| 966 |
|
|
_Tp
|
| 967 |
|
|
operator=(_Tp __i) volatile noexcept
|
| 968 |
|
|
{ store(__i); return __i; }
|
| 969 |
|
|
|
| 970 |
|
|
bool
|
| 971 |
|
|
is_lock_free() const noexcept
|
| 972 |
|
|
{ return __atomic_is_lock_free(sizeof(_M_i), &_M_i); }
|
| 973 |
|
|
|
| 974 |
|
|
bool
|
| 975 |
|
|
is_lock_free() const volatile noexcept
|
| 976 |
|
|
{ return __atomic_is_lock_free(sizeof(_M_i), &_M_i); }
|
| 977 |
|
|
|
| 978 |
|
|
void
|
| 979 |
|
|
store(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
|
| 980 |
|
|
{ __atomic_store(&_M_i, &__i, _m); }
|
| 981 |
|
|
|
| 982 |
|
|
void
|
| 983 |
|
|
store(_Tp __i, memory_order _m = memory_order_seq_cst) volatile noexcept
|
| 984 |
|
|
{ __atomic_store(&_M_i, &__i, _m); }
|
| 985 |
|
|
|
| 986 |
|
|
_Tp
|
| 987 |
|
|
load(memory_order _m = memory_order_seq_cst) const noexcept
|
| 988 |
|
|
{
|
| 989 |
|
|
_Tp tmp;
|
| 990 |
|
|
__atomic_load(&_M_i, &tmp, _m);
|
| 991 |
|
|
return tmp;
|
| 992 |
|
|
}
|
| 993 |
|
|
|
| 994 |
|
|
_Tp
|
| 995 |
|
|
load(memory_order _m = memory_order_seq_cst) const volatile noexcept
|
| 996 |
|
|
{
|
| 997 |
|
|
_Tp tmp;
|
| 998 |
|
|
__atomic_load(&_M_i, &tmp, _m);
|
| 999 |
|
|
return tmp;
|
| 1000 |
|
|
}
|
| 1001 |
|
|
|
| 1002 |
|
|
_Tp
|
| 1003 |
|
|
exchange(_Tp __i, memory_order _m = memory_order_seq_cst) noexcept
|
| 1004 |
|
|
{
|
| 1005 |
|
|
_Tp tmp;
|
| 1006 |
|
|
__atomic_exchange(&_M_i, &__i, &tmp, _m);
|
| 1007 |
|
|
return tmp;
|
| 1008 |
|
|
}
|
| 1009 |
|
|
|
| 1010 |
|
|
_Tp
|
| 1011 |
|
|
exchange(_Tp __i,
|
| 1012 |
|
|
memory_order _m = memory_order_seq_cst) volatile noexcept
|
| 1013 |
|
|
{
|
| 1014 |
|
|
_Tp tmp;
|
| 1015 |
|
|
__atomic_exchange(&_M_i, &__i, &tmp, _m);
|
| 1016 |
|
|
return tmp;
|
| 1017 |
|
|
}
|
| 1018 |
|
|
|
| 1019 |
|
|
bool
|
| 1020 |
|
|
compare_exchange_weak(_Tp& __e, _Tp __i, memory_order __s,
|
| 1021 |
|
|
memory_order __f) noexcept
|
| 1022 |
|
|
{
|
| 1023 |
|
|
return __atomic_compare_exchange(&_M_i, &__e, &__i, true, __s, __f);
|
| 1024 |
|
|
}
|
| 1025 |
|
|
|
| 1026 |
|
|
bool
|
| 1027 |
|
|
compare_exchange_weak(_Tp& __e, _Tp __i, memory_order __s,
|
| 1028 |
|
|
memory_order __f) volatile noexcept
|
| 1029 |
|
|
{
|
| 1030 |
|
|
return __atomic_compare_exchange(&_M_i, &__e, &__i, true, __s, __f);
|
| 1031 |
|
|
}
|
| 1032 |
|
|
|
| 1033 |
|
|
bool
|
| 1034 |
|
|
compare_exchange_weak(_Tp& __e, _Tp __i,
|
| 1035 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 1036 |
|
|
{ return compare_exchange_weak(__e, __i, __m, __m); }
|
| 1037 |
|
|
|
| 1038 |
|
|
bool
|
| 1039 |
|
|
compare_exchange_weak(_Tp& __e, _Tp __i,
|
| 1040 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 1041 |
|
|
{ return compare_exchange_weak(__e, __i, __m, __m); }
|
| 1042 |
|
|
|
| 1043 |
|
|
bool
|
| 1044 |
|
|
compare_exchange_strong(_Tp& __e, _Tp __i, memory_order __s,
|
| 1045 |
|
|
memory_order __f) noexcept
|
| 1046 |
|
|
{
|
| 1047 |
|
|
return __atomic_compare_exchange(&_M_i, &__e, &__i, false, __s, __f);
|
| 1048 |
|
|
}
|
| 1049 |
|
|
|
| 1050 |
|
|
bool
|
| 1051 |
|
|
compare_exchange_strong(_Tp& __e, _Tp __i, memory_order __s,
|
| 1052 |
|
|
memory_order __f) volatile noexcept
|
| 1053 |
|
|
{
|
| 1054 |
|
|
return __atomic_compare_exchange(&_M_i, &__e, &__i, false, __s, __f);
|
| 1055 |
|
|
}
|
| 1056 |
|
|
|
| 1057 |
|
|
bool
|
| 1058 |
|
|
compare_exchange_strong(_Tp& __e, _Tp __i,
|
| 1059 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 1060 |
|
|
{ return compare_exchange_strong(__e, __i, __m, __m); }
|
| 1061 |
|
|
|
| 1062 |
|
|
bool
|
| 1063 |
|
|
compare_exchange_strong(_Tp& __e, _Tp __i,
|
| 1064 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 1065 |
|
|
{ return compare_exchange_strong(__e, __i, __m, __m); }
|
| 1066 |
|
|
};
|
| 1067 |
|
|
|
| 1068 |
|
|
|
| 1069 |
|
|
/// Partial specialization for pointer types.
|
| 1070 |
|
|
template
|
| 1071 |
|
|
struct atomic<_Tp*>
|
| 1072 |
|
|
{
|
| 1073 |
|
|
typedef _Tp* __pointer_type;
|
| 1074 |
|
|
typedef __atomic_base<_Tp*> __base_type;
|
| 1075 |
|
|
__base_type _M_b;
|
| 1076 |
|
|
|
| 1077 |
|
|
atomic() noexcept = default;
|
| 1078 |
|
|
~atomic() noexcept = default;
|
| 1079 |
|
|
atomic(const atomic&) = delete;
|
| 1080 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1081 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1082 |
|
|
|
| 1083 |
|
|
constexpr atomic(__pointer_type __p) noexcept : _M_b(__p) { }
|
| 1084 |
|
|
|
| 1085 |
|
|
operator __pointer_type() const noexcept
|
| 1086 |
|
|
{ return __pointer_type(_M_b); }
|
| 1087 |
|
|
|
| 1088 |
|
|
operator __pointer_type() const volatile noexcept
|
| 1089 |
|
|
{ return __pointer_type(_M_b); }
|
| 1090 |
|
|
|
| 1091 |
|
|
__pointer_type
|
| 1092 |
|
|
operator=(__pointer_type __p) noexcept
|
| 1093 |
|
|
{ return _M_b.operator=(__p); }
|
| 1094 |
|
|
|
| 1095 |
|
|
__pointer_type
|
| 1096 |
|
|
operator=(__pointer_type __p) volatile noexcept
|
| 1097 |
|
|
{ return _M_b.operator=(__p); }
|
| 1098 |
|
|
|
| 1099 |
|
|
__pointer_type
|
| 1100 |
|
|
operator++(int) noexcept
|
| 1101 |
|
|
{ return _M_b++; }
|
| 1102 |
|
|
|
| 1103 |
|
|
__pointer_type
|
| 1104 |
|
|
operator++(int) volatile noexcept
|
| 1105 |
|
|
{ return _M_b++; }
|
| 1106 |
|
|
|
| 1107 |
|
|
__pointer_type
|
| 1108 |
|
|
operator--(int) noexcept
|
| 1109 |
|
|
{ return _M_b--; }
|
| 1110 |
|
|
|
| 1111 |
|
|
__pointer_type
|
| 1112 |
|
|
operator--(int) volatile noexcept
|
| 1113 |
|
|
{ return _M_b--; }
|
| 1114 |
|
|
|
| 1115 |
|
|
__pointer_type
|
| 1116 |
|
|
operator++() noexcept
|
| 1117 |
|
|
{ return ++_M_b; }
|
| 1118 |
|
|
|
| 1119 |
|
|
__pointer_type
|
| 1120 |
|
|
operator++() volatile noexcept
|
| 1121 |
|
|
{ return ++_M_b; }
|
| 1122 |
|
|
|
| 1123 |
|
|
__pointer_type
|
| 1124 |
|
|
operator--() noexcept
|
| 1125 |
|
|
{ return --_M_b; }
|
| 1126 |
|
|
|
| 1127 |
|
|
__pointer_type
|
| 1128 |
|
|
operator--() volatile noexcept
|
| 1129 |
|
|
{ return --_M_b; }
|
| 1130 |
|
|
|
| 1131 |
|
|
__pointer_type
|
| 1132 |
|
|
operator+=(ptrdiff_t __d) noexcept
|
| 1133 |
|
|
{ return _M_b.operator+=(__d); }
|
| 1134 |
|
|
|
| 1135 |
|
|
__pointer_type
|
| 1136 |
|
|
operator+=(ptrdiff_t __d) volatile noexcept
|
| 1137 |
|
|
{ return _M_b.operator+=(__d); }
|
| 1138 |
|
|
|
| 1139 |
|
|
__pointer_type
|
| 1140 |
|
|
operator-=(ptrdiff_t __d) noexcept
|
| 1141 |
|
|
{ return _M_b.operator-=(__d); }
|
| 1142 |
|
|
|
| 1143 |
|
|
__pointer_type
|
| 1144 |
|
|
operator-=(ptrdiff_t __d) volatile noexcept
|
| 1145 |
|
|
{ return _M_b.operator-=(__d); }
|
| 1146 |
|
|
|
| 1147 |
|
|
bool
|
| 1148 |
|
|
is_lock_free() const noexcept
|
| 1149 |
|
|
{ return _M_b.is_lock_free(); }
|
| 1150 |
|
|
|
| 1151 |
|
|
bool
|
| 1152 |
|
|
is_lock_free() const volatile noexcept
|
| 1153 |
|
|
{ return _M_b.is_lock_free(); }
|
| 1154 |
|
|
|
| 1155 |
|
|
void
|
| 1156 |
|
|
store(__pointer_type __p,
|
| 1157 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 1158 |
|
|
{ return _M_b.store(__p, __m); }
|
| 1159 |
|
|
|
| 1160 |
|
|
void
|
| 1161 |
|
|
store(__pointer_type __p,
|
| 1162 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 1163 |
|
|
{ return _M_b.store(__p, __m); }
|
| 1164 |
|
|
|
| 1165 |
|
|
__pointer_type
|
| 1166 |
|
|
load(memory_order __m = memory_order_seq_cst) const noexcept
|
| 1167 |
|
|
{ return _M_b.load(__m); }
|
| 1168 |
|
|
|
| 1169 |
|
|
__pointer_type
|
| 1170 |
|
|
load(memory_order __m = memory_order_seq_cst) const volatile noexcept
|
| 1171 |
|
|
{ return _M_b.load(__m); }
|
| 1172 |
|
|
|
| 1173 |
|
|
__pointer_type
|
| 1174 |
|
|
exchange(__pointer_type __p,
|
| 1175 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 1176 |
|
|
{ return _M_b.exchange(__p, __m); }
|
| 1177 |
|
|
|
| 1178 |
|
|
__pointer_type
|
| 1179 |
|
|
exchange(__pointer_type __p,
|
| 1180 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 1181 |
|
|
{ return _M_b.exchange(__p, __m); }
|
| 1182 |
|
|
|
| 1183 |
|
|
bool
|
| 1184 |
|
|
compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2,
|
| 1185 |
|
|
memory_order __m1, memory_order __m2) noexcept
|
| 1186 |
|
|
{ return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); }
|
| 1187 |
|
|
|
| 1188 |
|
|
bool
|
| 1189 |
|
|
compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2,
|
| 1190 |
|
|
memory_order __m1,
|
| 1191 |
|
|
memory_order __m2) volatile noexcept
|
| 1192 |
|
|
{ return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); }
|
| 1193 |
|
|
|
| 1194 |
|
|
bool
|
| 1195 |
|
|
compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2,
|
| 1196 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 1197 |
|
|
{
|
| 1198 |
|
|
return compare_exchange_weak(__p1, __p2, __m,
|
| 1199 |
|
|
__calculate_memory_order(__m));
|
| 1200 |
|
|
}
|
| 1201 |
|
|
|
| 1202 |
|
|
bool
|
| 1203 |
|
|
compare_exchange_weak(__pointer_type& __p1, __pointer_type __p2,
|
| 1204 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 1205 |
|
|
{
|
| 1206 |
|
|
return compare_exchange_weak(__p1, __p2, __m,
|
| 1207 |
|
|
__calculate_memory_order(__m));
|
| 1208 |
|
|
}
|
| 1209 |
|
|
|
| 1210 |
|
|
bool
|
| 1211 |
|
|
compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
|
| 1212 |
|
|
memory_order __m1, memory_order __m2) noexcept
|
| 1213 |
|
|
{ return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); }
|
| 1214 |
|
|
|
| 1215 |
|
|
bool
|
| 1216 |
|
|
compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
|
| 1217 |
|
|
memory_order __m1,
|
| 1218 |
|
|
memory_order __m2) volatile noexcept
|
| 1219 |
|
|
{ return _M_b.compare_exchange_strong(__p1, __p2, __m1, __m2); }
|
| 1220 |
|
|
|
| 1221 |
|
|
bool
|
| 1222 |
|
|
compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
|
| 1223 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 1224 |
|
|
{
|
| 1225 |
|
|
return _M_b.compare_exchange_strong(__p1, __p2, __m,
|
| 1226 |
|
|
__calculate_memory_order(__m));
|
| 1227 |
|
|
}
|
| 1228 |
|
|
|
| 1229 |
|
|
bool
|
| 1230 |
|
|
compare_exchange_strong(__pointer_type& __p1, __pointer_type __p2,
|
| 1231 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 1232 |
|
|
{
|
| 1233 |
|
|
return _M_b.compare_exchange_strong(__p1, __p2, __m,
|
| 1234 |
|
|
__calculate_memory_order(__m));
|
| 1235 |
|
|
}
|
| 1236 |
|
|
|
| 1237 |
|
|
__pointer_type
|
| 1238 |
|
|
fetch_add(ptrdiff_t __d,
|
| 1239 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 1240 |
|
|
{ return _M_b.fetch_add(__d, __m); }
|
| 1241 |
|
|
|
| 1242 |
|
|
__pointer_type
|
| 1243 |
|
|
fetch_add(ptrdiff_t __d,
|
| 1244 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 1245 |
|
|
{ return _M_b.fetch_add(__d, __m); }
|
| 1246 |
|
|
|
| 1247 |
|
|
__pointer_type
|
| 1248 |
|
|
fetch_sub(ptrdiff_t __d,
|
| 1249 |
|
|
memory_order __m = memory_order_seq_cst) noexcept
|
| 1250 |
|
|
{ return _M_b.fetch_sub(__d, __m); }
|
| 1251 |
|
|
|
| 1252 |
|
|
__pointer_type
|
| 1253 |
|
|
fetch_sub(ptrdiff_t __d,
|
| 1254 |
|
|
memory_order __m = memory_order_seq_cst) volatile noexcept
|
| 1255 |
|
|
{ return _M_b.fetch_sub(__d, __m); }
|
| 1256 |
|
|
};
|
| 1257 |
|
|
|
| 1258 |
|
|
|
| 1259 |
|
|
/// Explicit specialization for bool.
|
| 1260 |
|
|
template<>
|
| 1261 |
|
|
struct atomic : public atomic_bool
|
| 1262 |
|
|
{
|
| 1263 |
|
|
typedef bool __integral_type;
|
| 1264 |
|
|
typedef atomic_bool __base_type;
|
| 1265 |
|
|
|
| 1266 |
|
|
atomic() noexcept = default;
|
| 1267 |
|
|
~atomic() noexcept = default;
|
| 1268 |
|
|
atomic(const atomic&) = delete;
|
| 1269 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1270 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1271 |
|
|
|
| 1272 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1273 |
|
|
|
| 1274 |
|
|
using __base_type::operator __integral_type;
|
| 1275 |
|
|
using __base_type::operator=;
|
| 1276 |
|
|
};
|
| 1277 |
|
|
|
| 1278 |
|
|
/// Explicit specialization for char.
|
| 1279 |
|
|
template<>
|
| 1280 |
|
|
struct atomic : public atomic_char
|
| 1281 |
|
|
{
|
| 1282 |
|
|
typedef char __integral_type;
|
| 1283 |
|
|
typedef atomic_char __base_type;
|
| 1284 |
|
|
|
| 1285 |
|
|
atomic() noexcept = default;
|
| 1286 |
|
|
~atomic() noexcept = default;
|
| 1287 |
|
|
atomic(const atomic&) = delete;
|
| 1288 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1289 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1290 |
|
|
|
| 1291 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1292 |
|
|
|
| 1293 |
|
|
using __base_type::operator __integral_type;
|
| 1294 |
|
|
using __base_type::operator=;
|
| 1295 |
|
|
};
|
| 1296 |
|
|
|
| 1297 |
|
|
/// Explicit specialization for signed char.
|
| 1298 |
|
|
template<>
|
| 1299 |
|
|
struct atomic : public atomic_schar
|
| 1300 |
|
|
{
|
| 1301 |
|
|
typedef signed char __integral_type;
|
| 1302 |
|
|
typedef atomic_schar __base_type;
|
| 1303 |
|
|
|
| 1304 |
|
|
atomic() noexcept= default;
|
| 1305 |
|
|
~atomic() noexcept = default;
|
| 1306 |
|
|
atomic(const atomic&) = delete;
|
| 1307 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1308 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1309 |
|
|
|
| 1310 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1311 |
|
|
|
| 1312 |
|
|
using __base_type::operator __integral_type;
|
| 1313 |
|
|
using __base_type::operator=;
|
| 1314 |
|
|
};
|
| 1315 |
|
|
|
| 1316 |
|
|
/// Explicit specialization for unsigned char.
|
| 1317 |
|
|
template<>
|
| 1318 |
|
|
struct atomic : public atomic_uchar
|
| 1319 |
|
|
{
|
| 1320 |
|
|
typedef unsigned char __integral_type;
|
| 1321 |
|
|
typedef atomic_uchar __base_type;
|
| 1322 |
|
|
|
| 1323 |
|
|
atomic() noexcept= default;
|
| 1324 |
|
|
~atomic() noexcept = default;
|
| 1325 |
|
|
atomic(const atomic&) = delete;
|
| 1326 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1327 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1328 |
|
|
|
| 1329 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1330 |
|
|
|
| 1331 |
|
|
using __base_type::operator __integral_type;
|
| 1332 |
|
|
using __base_type::operator=;
|
| 1333 |
|
|
};
|
| 1334 |
|
|
|
| 1335 |
|
|
/// Explicit specialization for short.
|
| 1336 |
|
|
template<>
|
| 1337 |
|
|
struct atomic : public atomic_short
|
| 1338 |
|
|
{
|
| 1339 |
|
|
typedef short __integral_type;
|
| 1340 |
|
|
typedef atomic_short __base_type;
|
| 1341 |
|
|
|
| 1342 |
|
|
atomic() noexcept = default;
|
| 1343 |
|
|
~atomic() noexcept = default;
|
| 1344 |
|
|
atomic(const atomic&) = delete;
|
| 1345 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1346 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1347 |
|
|
|
| 1348 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1349 |
|
|
|
| 1350 |
|
|
using __base_type::operator __integral_type;
|
| 1351 |
|
|
using __base_type::operator=;
|
| 1352 |
|
|
};
|
| 1353 |
|
|
|
| 1354 |
|
|
/// Explicit specialization for unsigned short.
|
| 1355 |
|
|
template<>
|
| 1356 |
|
|
struct atomic : public atomic_ushort
|
| 1357 |
|
|
{
|
| 1358 |
|
|
typedef unsigned short __integral_type;
|
| 1359 |
|
|
typedef atomic_ushort __base_type;
|
| 1360 |
|
|
|
| 1361 |
|
|
atomic() noexcept = default;
|
| 1362 |
|
|
~atomic() noexcept = default;
|
| 1363 |
|
|
atomic(const atomic&) = delete;
|
| 1364 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1365 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1366 |
|
|
|
| 1367 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1368 |
|
|
|
| 1369 |
|
|
using __base_type::operator __integral_type;
|
| 1370 |
|
|
using __base_type::operator=;
|
| 1371 |
|
|
};
|
| 1372 |
|
|
|
| 1373 |
|
|
/// Explicit specialization for int.
|
| 1374 |
|
|
template<>
|
| 1375 |
|
|
struct atomic : atomic_int
|
| 1376 |
|
|
{
|
| 1377 |
|
|
typedef int __integral_type;
|
| 1378 |
|
|
typedef atomic_int __base_type;
|
| 1379 |
|
|
|
| 1380 |
|
|
atomic() noexcept = default;
|
| 1381 |
|
|
~atomic() noexcept = default;
|
| 1382 |
|
|
atomic(const atomic&) = delete;
|
| 1383 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1384 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1385 |
|
|
|
| 1386 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1387 |
|
|
|
| 1388 |
|
|
using __base_type::operator __integral_type;
|
| 1389 |
|
|
using __base_type::operator=;
|
| 1390 |
|
|
};
|
| 1391 |
|
|
|
| 1392 |
|
|
/// Explicit specialization for unsigned int.
|
| 1393 |
|
|
template<>
|
| 1394 |
|
|
struct atomic : public atomic_uint
|
| 1395 |
|
|
{
|
| 1396 |
|
|
typedef unsigned int __integral_type;
|
| 1397 |
|
|
typedef atomic_uint __base_type;
|
| 1398 |
|
|
|
| 1399 |
|
|
atomic() noexcept = default;
|
| 1400 |
|
|
~atomic() noexcept = default;
|
| 1401 |
|
|
atomic(const atomic&) = delete;
|
| 1402 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1403 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1404 |
|
|
|
| 1405 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1406 |
|
|
|
| 1407 |
|
|
using __base_type::operator __integral_type;
|
| 1408 |
|
|
using __base_type::operator=;
|
| 1409 |
|
|
};
|
| 1410 |
|
|
|
| 1411 |
|
|
/// Explicit specialization for long.
|
| 1412 |
|
|
template<>
|
| 1413 |
|
|
struct atomic : public atomic_long
|
| 1414 |
|
|
{
|
| 1415 |
|
|
typedef long __integral_type;
|
| 1416 |
|
|
typedef atomic_long __base_type;
|
| 1417 |
|
|
|
| 1418 |
|
|
atomic() noexcept = default;
|
| 1419 |
|
|
~atomic() noexcept = default;
|
| 1420 |
|
|
atomic(const atomic&) = delete;
|
| 1421 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1422 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1423 |
|
|
|
| 1424 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1425 |
|
|
|
| 1426 |
|
|
using __base_type::operator __integral_type;
|
| 1427 |
|
|
using __base_type::operator=;
|
| 1428 |
|
|
};
|
| 1429 |
|
|
|
| 1430 |
|
|
/// Explicit specialization for unsigned long.
|
| 1431 |
|
|
template<>
|
| 1432 |
|
|
struct atomic : public atomic_ulong
|
| 1433 |
|
|
{
|
| 1434 |
|
|
typedef unsigned long __integral_type;
|
| 1435 |
|
|
typedef atomic_ulong __base_type;
|
| 1436 |
|
|
|
| 1437 |
|
|
atomic() noexcept = default;
|
| 1438 |
|
|
~atomic() noexcept = default;
|
| 1439 |
|
|
atomic(const atomic&) = delete;
|
| 1440 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1441 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1442 |
|
|
|
| 1443 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1444 |
|
|
|
| 1445 |
|
|
using __base_type::operator __integral_type;
|
| 1446 |
|
|
using __base_type::operator=;
|
| 1447 |
|
|
};
|
| 1448 |
|
|
|
| 1449 |
|
|
/// Explicit specialization for long long.
|
| 1450 |
|
|
template<>
|
| 1451 |
|
|
struct atomic : public atomic_llong
|
| 1452 |
|
|
{
|
| 1453 |
|
|
typedef long long __integral_type;
|
| 1454 |
|
|
typedef atomic_llong __base_type;
|
| 1455 |
|
|
|
| 1456 |
|
|
atomic() noexcept = default;
|
| 1457 |
|
|
~atomic() noexcept = default;
|
| 1458 |
|
|
atomic(const atomic&) = delete;
|
| 1459 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1460 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1461 |
|
|
|
| 1462 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1463 |
|
|
|
| 1464 |
|
|
using __base_type::operator __integral_type;
|
| 1465 |
|
|
using __base_type::operator=;
|
| 1466 |
|
|
};
|
| 1467 |
|
|
|
| 1468 |
|
|
/// Explicit specialization for unsigned long long.
|
| 1469 |
|
|
template<>
|
| 1470 |
|
|
struct atomic : public atomic_ullong
|
| 1471 |
|
|
{
|
| 1472 |
|
|
typedef unsigned long long __integral_type;
|
| 1473 |
|
|
typedef atomic_ullong __base_type;
|
| 1474 |
|
|
|
| 1475 |
|
|
atomic() noexcept = default;
|
| 1476 |
|
|
~atomic() noexcept = default;
|
| 1477 |
|
|
atomic(const atomic&) = delete;
|
| 1478 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1479 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1480 |
|
|
|
| 1481 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1482 |
|
|
|
| 1483 |
|
|
using __base_type::operator __integral_type;
|
| 1484 |
|
|
using __base_type::operator=;
|
| 1485 |
|
|
};
|
| 1486 |
|
|
|
| 1487 |
|
|
/// Explicit specialization for wchar_t.
|
| 1488 |
|
|
template<>
|
| 1489 |
|
|
struct atomic : public atomic_wchar_t
|
| 1490 |
|
|
{
|
| 1491 |
|
|
typedef wchar_t __integral_type;
|
| 1492 |
|
|
typedef atomic_wchar_t __base_type;
|
| 1493 |
|
|
|
| 1494 |
|
|
atomic() noexcept = default;
|
| 1495 |
|
|
~atomic() noexcept = default;
|
| 1496 |
|
|
atomic(const atomic&) = delete;
|
| 1497 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1498 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1499 |
|
|
|
| 1500 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1501 |
|
|
|
| 1502 |
|
|
using __base_type::operator __integral_type;
|
| 1503 |
|
|
using __base_type::operator=;
|
| 1504 |
|
|
};
|
| 1505 |
|
|
|
| 1506 |
|
|
/// Explicit specialization for char16_t.
|
| 1507 |
|
|
template<>
|
| 1508 |
|
|
struct atomic : public atomic_char16_t
|
| 1509 |
|
|
{
|
| 1510 |
|
|
typedef char16_t __integral_type;
|
| 1511 |
|
|
typedef atomic_char16_t __base_type;
|
| 1512 |
|
|
|
| 1513 |
|
|
atomic() noexcept = default;
|
| 1514 |
|
|
~atomic() noexcept = default;
|
| 1515 |
|
|
atomic(const atomic&) = delete;
|
| 1516 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1517 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1518 |
|
|
|
| 1519 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1520 |
|
|
|
| 1521 |
|
|
using __base_type::operator __integral_type;
|
| 1522 |
|
|
using __base_type::operator=;
|
| 1523 |
|
|
};
|
| 1524 |
|
|
|
| 1525 |
|
|
/// Explicit specialization for char32_t.
|
| 1526 |
|
|
template<>
|
| 1527 |
|
|
struct atomic : public atomic_char32_t
|
| 1528 |
|
|
{
|
| 1529 |
|
|
typedef char32_t __integral_type;
|
| 1530 |
|
|
typedef atomic_char32_t __base_type;
|
| 1531 |
|
|
|
| 1532 |
|
|
atomic() noexcept = default;
|
| 1533 |
|
|
~atomic() noexcept = default;
|
| 1534 |
|
|
atomic(const atomic&) = delete;
|
| 1535 |
|
|
atomic& operator=(const atomic&) = delete;
|
| 1536 |
|
|
atomic& operator=(const atomic&) volatile = delete;
|
| 1537 |
|
|
|
| 1538 |
|
|
constexpr atomic(__integral_type __i) noexcept : __base_type(__i) { }
|
| 1539 |
|
|
|
| 1540 |
|
|
using __base_type::operator __integral_type;
|
| 1541 |
|
|
using __base_type::operator=;
|
| 1542 |
|
|
};
|
| 1543 |
|
|
|
| 1544 |
|
|
|
| 1545 |
|
|
// Function definitions, atomic_flag operations.
|
| 1546 |
|
|
inline bool
|
| 1547 |
|
|
atomic_flag_test_and_set_explicit(atomic_flag* __a,
|
| 1548 |
|
|
memory_order __m) noexcept
|
| 1549 |
|
|
{ return __a->test_and_set(__m); }
|
| 1550 |
|
|
|
| 1551 |
|
|
inline bool
|
| 1552 |
|
|
atomic_flag_test_and_set_explicit(volatile atomic_flag* __a,
|
| 1553 |
|
|
memory_order __m) noexcept
|
| 1554 |
|
|
{ return __a->test_and_set(__m); }
|
| 1555 |
|
|
|
| 1556 |
|
|
inline void
|
| 1557 |
|
|
atomic_flag_clear_explicit(atomic_flag* __a, memory_order __m) noexcept
|
| 1558 |
|
|
{ __a->clear(__m); }
|
| 1559 |
|
|
|
| 1560 |
|
|
inline void
|
| 1561 |
|
|
atomic_flag_clear_explicit(volatile atomic_flag* __a,
|
| 1562 |
|
|
memory_order __m) noexcept
|
| 1563 |
|
|
{ __a->clear(__m); }
|
| 1564 |
|
|
|
| 1565 |
|
|
inline bool
|
| 1566 |
|
|
atomic_flag_test_and_set(atomic_flag* __a) noexcept
|
| 1567 |
|
|
{ return atomic_flag_test_and_set_explicit(__a, memory_order_seq_cst); }
|
| 1568 |
|
|
|
| 1569 |
|
|
inline bool
|
| 1570 |
|
|
atomic_flag_test_and_set(volatile atomic_flag* __a) noexcept
|
| 1571 |
|
|
{ return atomic_flag_test_and_set_explicit(__a, memory_order_seq_cst); }
|
| 1572 |
|
|
|
| 1573 |
|
|
inline void
|
| 1574 |
|
|
atomic_flag_clear(atomic_flag* __a) noexcept
|
| 1575 |
|
|
{ atomic_flag_clear_explicit(__a, memory_order_seq_cst); }
|
| 1576 |
|
|
|
| 1577 |
|
|
inline void
|
| 1578 |
|
|
atomic_flag_clear(volatile atomic_flag* __a) noexcept
|
| 1579 |
|
|
{ atomic_flag_clear_explicit(__a, memory_order_seq_cst); }
|
| 1580 |
|
|
|
| 1581 |
|
|
|
| 1582 |
|
|
// Function templates generally applicable to atomic types.
|
| 1583 |
|
|
template
|
| 1584 |
|
|
inline bool
|
| 1585 |
|
|
atomic_is_lock_free(const atomic<_ITp>* __a) noexcept
|
| 1586 |
|
|
{ return __a->is_lock_free(); }
|
| 1587 |
|
|
|
| 1588 |
|
|
template
|
| 1589 |
|
|
inline bool
|
| 1590 |
|
|
atomic_is_lock_free(const volatile atomic<_ITp>* __a) noexcept
|
| 1591 |
|
|
{ return __a->is_lock_free(); }
|
| 1592 |
|
|
|
| 1593 |
|
|
template
|
| 1594 |
|
|
inline void
|
| 1595 |
|
|
atomic_init(atomic<_ITp>* __a, _ITp __i) noexcept;
|
| 1596 |
|
|
|
| 1597 |
|
|
template
|
| 1598 |
|
|
inline void
|
| 1599 |
|
|
atomic_init(volatile atomic<_ITp>* __a, _ITp __i) noexcept;
|
| 1600 |
|
|
|
| 1601 |
|
|
template
|
| 1602 |
|
|
inline void
|
| 1603 |
|
|
atomic_store_explicit(atomic<_ITp>* __a, _ITp __i,
|
| 1604 |
|
|
memory_order __m) noexcept
|
| 1605 |
|
|
{ __a->store(__i, __m); }
|
| 1606 |
|
|
|
| 1607 |
|
|
template
|
| 1608 |
|
|
inline void
|
| 1609 |
|
|
atomic_store_explicit(volatile atomic<_ITp>* __a, _ITp __i,
|
| 1610 |
|
|
memory_order __m) noexcept
|
| 1611 |
|
|
{ __a->store(__i, __m); }
|
| 1612 |
|
|
|
| 1613 |
|
|
template
|
| 1614 |
|
|
inline _ITp
|
| 1615 |
|
|
atomic_load_explicit(const atomic<_ITp>* __a, memory_order __m) noexcept
|
| 1616 |
|
|
{ return __a->load(__m); }
|
| 1617 |
|
|
|
| 1618 |
|
|
template
|
| 1619 |
|
|
inline _ITp
|
| 1620 |
|
|
atomic_load_explicit(const volatile atomic<_ITp>* __a,
|
| 1621 |
|
|
memory_order __m) noexcept
|
| 1622 |
|
|
{ return __a->load(__m); }
|
| 1623 |
|
|
|
| 1624 |
|
|
template
|
| 1625 |
|
|
inline _ITp
|
| 1626 |
|
|
atomic_exchange_explicit(atomic<_ITp>* __a, _ITp __i,
|
| 1627 |
|
|
memory_order __m) noexcept
|
| 1628 |
|
|
{ return __a->exchange(__i, __m); }
|
| 1629 |
|
|
|
| 1630 |
|
|
template
|
| 1631 |
|
|
inline _ITp
|
| 1632 |
|
|
atomic_exchange_explicit(volatile atomic<_ITp>* __a, _ITp __i,
|
| 1633 |
|
|
memory_order __m) noexcept
|
| 1634 |
|
|
{ return __a->exchange(__i, __m); }
|
| 1635 |
|
|
|
| 1636 |
|
|
template
|
| 1637 |
|
|
inline bool
|
| 1638 |
|
|
atomic_compare_exchange_weak_explicit(atomic<_ITp>* __a,
|
| 1639 |
|
|
_ITp* __i1, _ITp __i2,
|
| 1640 |
|
|
memory_order __m1,
|
| 1641 |
|
|
memory_order __m2) noexcept
|
| 1642 |
|
|
{ return __a->compare_exchange_weak(*__i1, __i2, __m1, __m2); }
|
| 1643 |
|
|
|
| 1644 |
|
|
template
|
| 1645 |
|
|
inline bool
|
| 1646 |
|
|
atomic_compare_exchange_weak_explicit(volatile atomic<_ITp>* __a,
|
| 1647 |
|
|
_ITp* __i1, _ITp __i2,
|
| 1648 |
|
|
memory_order __m1,
|
| 1649 |
|
|
memory_order __m2) noexcept
|
| 1650 |
|
|
{ return __a->compare_exchange_weak(*__i1, __i2, __m1, __m2); }
|
| 1651 |
|
|
|
| 1652 |
|
|
template
|
| 1653 |
|
|
inline bool
|
| 1654 |
|
|
atomic_compare_exchange_strong_explicit(atomic<_ITp>* __a,
|
| 1655 |
|
|
_ITp* __i1, _ITp __i2,
|
| 1656 |
|
|
memory_order __m1,
|
| 1657 |
|
|
memory_order __m2) noexcept
|
| 1658 |
|
|
{ return __a->compare_exchange_strong(*__i1, __i2, __m1, __m2); }
|
| 1659 |
|
|
|
| 1660 |
|
|
template
|
| 1661 |
|
|
inline bool
|
| 1662 |
|
|
atomic_compare_exchange_strong_explicit(volatile atomic<_ITp>* __a,
|
| 1663 |
|
|
_ITp* __i1, _ITp __i2,
|
| 1664 |
|
|
memory_order __m1,
|
| 1665 |
|
|
memory_order __m2) noexcept
|
| 1666 |
|
|
{ return __a->compare_exchange_strong(*__i1, __i2, __m1, __m2); }
|
| 1667 |
|
|
|
| 1668 |
|
|
|
| 1669 |
|
|
template
|
| 1670 |
|
|
inline void
|
| 1671 |
|
|
atomic_store(atomic<_ITp>* __a, _ITp __i) noexcept
|
| 1672 |
|
|
{ atomic_store_explicit(__a, __i, memory_order_seq_cst); }
|
| 1673 |
|
|
|
| 1674 |
|
|
template
|
| 1675 |
|
|
inline void
|
| 1676 |
|
|
atomic_store(volatile atomic<_ITp>* __a, _ITp __i) noexcept
|
| 1677 |
|
|
{ atomic_store_explicit(__a, __i, memory_order_seq_cst); }
|
| 1678 |
|
|
|
| 1679 |
|
|
template
|
| 1680 |
|
|
inline _ITp
|
| 1681 |
|
|
atomic_load(const atomic<_ITp>* __a) noexcept
|
| 1682 |
|
|
{ return atomic_load_explicit(__a, memory_order_seq_cst); }
|
| 1683 |
|
|
|
| 1684 |
|
|
template
|
| 1685 |
|
|
inline _ITp
|
| 1686 |
|
|
atomic_load(const volatile atomic<_ITp>* __a) noexcept
|
| 1687 |
|
|
{ return atomic_load_explicit(__a, memory_order_seq_cst); }
|
| 1688 |
|
|
|
| 1689 |
|
|
template
|
| 1690 |
|
|
inline _ITp
|
| 1691 |
|
|
atomic_exchange(atomic<_ITp>* __a, _ITp __i) noexcept
|
| 1692 |
|
|
{ return atomic_exchange_explicit(__a, __i, memory_order_seq_cst); }
|
| 1693 |
|
|
|
| 1694 |
|
|
template
|
| 1695 |
|
|
inline _ITp
|
| 1696 |
|
|
atomic_exchange(volatile atomic<_ITp>* __a, _ITp __i) noexcept
|
| 1697 |
|
|
{ return atomic_exchange_explicit(__a, __i, memory_order_seq_cst); }
|
| 1698 |
|
|
|
| 1699 |
|
|
template
|
| 1700 |
|
|
inline bool
|
| 1701 |
|
|
atomic_compare_exchange_weak(atomic<_ITp>* __a,
|
| 1702 |
|
|
_ITp* __i1, _ITp __i2) noexcept
|
| 1703 |
|
|
{
|
| 1704 |
|
|
return atomic_compare_exchange_weak_explicit(__a, __i1, __i2,
|
| 1705 |
|
|
memory_order_seq_cst,
|
| 1706 |
|
|
memory_order_seq_cst);
|
| 1707 |
|
|
}
|
| 1708 |
|
|
|
| 1709 |
|
|
template
|
| 1710 |
|
|
inline bool
|
| 1711 |
|
|
atomic_compare_exchange_weak(volatile atomic<_ITp>* __a,
|
| 1712 |
|
|
_ITp* __i1, _ITp __i2) noexcept
|
| 1713 |
|
|
{
|
| 1714 |
|
|
return atomic_compare_exchange_weak_explicit(__a, __i1, __i2,
|
| 1715 |
|
|
memory_order_seq_cst,
|
| 1716 |
|
|
memory_order_seq_cst);
|
| 1717 |
|
|
}
|
| 1718 |
|
|
|
| 1719 |
|
|
template
|
| 1720 |
|
|
inline bool
|
| 1721 |
|
|
atomic_compare_exchange_strong(atomic<_ITp>* __a,
|
| 1722 |
|
|
_ITp* __i1, _ITp __i2) noexcept
|
| 1723 |
|
|
{
|
| 1724 |
|
|
return atomic_compare_exchange_strong_explicit(__a, __i1, __i2,
|
| 1725 |
|
|
memory_order_seq_cst,
|
| 1726 |
|
|
memory_order_seq_cst);
|
| 1727 |
|
|
}
|
| 1728 |
|
|
|
| 1729 |
|
|
template
|
| 1730 |
|
|
inline bool
|
| 1731 |
|
|
atomic_compare_exchange_strong(volatile atomic<_ITp>* __a,
|
| 1732 |
|
|
_ITp* __i1, _ITp __i2) noexcept
|
| 1733 |
|
|
{
|
| 1734 |
|
|
return atomic_compare_exchange_strong_explicit(__a, __i1, __i2,
|
| 1735 |
|
|
memory_order_seq_cst,
|
| 1736 |
|
|
memory_order_seq_cst);
|
| 1737 |
|
|
}
|
| 1738 |
|
|
|
| 1739 |
|
|
// Function templates for atomic_integral operations only, using
|
| 1740 |
|
|
// __atomic_base. Template argument should be constricted to
|
| 1741 |
|
|
// intergral types as specified in the standard, excluding address
|
| 1742 |
|
|
// types.
|
| 1743 |
|
|
template
|
| 1744 |
|
|
inline _ITp
|
| 1745 |
|
|
atomic_fetch_add_explicit(__atomic_base<_ITp>* __a, _ITp __i,
|
| 1746 |
|
|
memory_order __m) noexcept
|
| 1747 |
|
|
{ return __a->fetch_add(__i, __m); }
|
| 1748 |
|
|
|
| 1749 |
|
|
template
|
| 1750 |
|
|
inline _ITp
|
| 1751 |
|
|
atomic_fetch_add_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
|
| 1752 |
|
|
memory_order __m) noexcept
|
| 1753 |
|
|
{ return __a->fetch_add(__i, __m); }
|
| 1754 |
|
|
|
| 1755 |
|
|
template
|
| 1756 |
|
|
inline _ITp
|
| 1757 |
|
|
atomic_fetch_sub_explicit(__atomic_base<_ITp>* __a, _ITp __i,
|
| 1758 |
|
|
memory_order __m) noexcept
|
| 1759 |
|
|
{ return __a->fetch_sub(__i, __m); }
|
| 1760 |
|
|
|
| 1761 |
|
|
template
|
| 1762 |
|
|
inline _ITp
|
| 1763 |
|
|
atomic_fetch_sub_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
|
| 1764 |
|
|
memory_order __m) noexcept
|
| 1765 |
|
|
{ return __a->fetch_sub(__i, __m); }
|
| 1766 |
|
|
|
| 1767 |
|
|
template
|
| 1768 |
|
|
inline _ITp
|
| 1769 |
|
|
atomic_fetch_and_explicit(__atomic_base<_ITp>* __a, _ITp __i,
|
| 1770 |
|
|
memory_order __m) noexcept
|
| 1771 |
|
|
{ return __a->fetch_and(__i, __m); }
|
| 1772 |
|
|
|
| 1773 |
|
|
template
|
| 1774 |
|
|
inline _ITp
|
| 1775 |
|
|
atomic_fetch_and_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
|
| 1776 |
|
|
memory_order __m) noexcept
|
| 1777 |
|
|
{ return __a->fetch_and(__i, __m); }
|
| 1778 |
|
|
|
| 1779 |
|
|
template
|
| 1780 |
|
|
inline _ITp
|
| 1781 |
|
|
atomic_fetch_or_explicit(__atomic_base<_ITp>* __a, _ITp __i,
|
| 1782 |
|
|
memory_order __m) noexcept
|
| 1783 |
|
|
{ return __a->fetch_or(__i, __m); }
|
| 1784 |
|
|
|
| 1785 |
|
|
template
|
| 1786 |
|
|
inline _ITp
|
| 1787 |
|
|
atomic_fetch_or_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
|
| 1788 |
|
|
memory_order __m) noexcept
|
| 1789 |
|
|
{ return __a->fetch_or(__i, __m); }
|
| 1790 |
|
|
|
| 1791 |
|
|
template
|
| 1792 |
|
|
inline _ITp
|
| 1793 |
|
|
atomic_fetch_xor_explicit(__atomic_base<_ITp>* __a, _ITp __i,
|
| 1794 |
|
|
memory_order __m) noexcept
|
| 1795 |
|
|
{ return __a->fetch_xor(__i, __m); }
|
| 1796 |
|
|
|
| 1797 |
|
|
template
|
| 1798 |
|
|
inline _ITp
|
| 1799 |
|
|
atomic_fetch_xor_explicit(volatile __atomic_base<_ITp>* __a, _ITp __i,
|
| 1800 |
|
|
memory_order __m) noexcept
|
| 1801 |
|
|
{ return __a->fetch_xor(__i, __m); }
|
| 1802 |
|
|
|
| 1803 |
|
|
template
|
| 1804 |
|
|
inline _ITp
|
| 1805 |
|
|
atomic_fetch_add(__atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1806 |
|
|
{ return atomic_fetch_add_explicit(__a, __i, memory_order_seq_cst); }
|
| 1807 |
|
|
|
| 1808 |
|
|
template
|
| 1809 |
|
|
inline _ITp
|
| 1810 |
|
|
atomic_fetch_add(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1811 |
|
|
{ return atomic_fetch_add_explicit(__a, __i, memory_order_seq_cst); }
|
| 1812 |
|
|
|
| 1813 |
|
|
template
|
| 1814 |
|
|
inline _ITp
|
| 1815 |
|
|
atomic_fetch_sub(__atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1816 |
|
|
{ return atomic_fetch_sub_explicit(__a, __i, memory_order_seq_cst); }
|
| 1817 |
|
|
|
| 1818 |
|
|
template
|
| 1819 |
|
|
inline _ITp
|
| 1820 |
|
|
atomic_fetch_sub(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1821 |
|
|
{ return atomic_fetch_sub_explicit(__a, __i, memory_order_seq_cst); }
|
| 1822 |
|
|
|
| 1823 |
|
|
template
|
| 1824 |
|
|
inline _ITp
|
| 1825 |
|
|
atomic_fetch_and(__atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1826 |
|
|
{ return atomic_fetch_and_explicit(__a, __i, memory_order_seq_cst); }
|
| 1827 |
|
|
|
| 1828 |
|
|
template
|
| 1829 |
|
|
inline _ITp
|
| 1830 |
|
|
atomic_fetch_and(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1831 |
|
|
{ return atomic_fetch_and_explicit(__a, __i, memory_order_seq_cst); }
|
| 1832 |
|
|
|
| 1833 |
|
|
template
|
| 1834 |
|
|
inline _ITp
|
| 1835 |
|
|
atomic_fetch_or(__atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1836 |
|
|
{ return atomic_fetch_or_explicit(__a, __i, memory_order_seq_cst); }
|
| 1837 |
|
|
|
| 1838 |
|
|
template
|
| 1839 |
|
|
inline _ITp
|
| 1840 |
|
|
atomic_fetch_or(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1841 |
|
|
{ return atomic_fetch_or_explicit(__a, __i, memory_order_seq_cst); }
|
| 1842 |
|
|
|
| 1843 |
|
|
template
|
| 1844 |
|
|
inline _ITp
|
| 1845 |
|
|
atomic_fetch_xor(__atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1846 |
|
|
{ return atomic_fetch_xor_explicit(__a, __i, memory_order_seq_cst); }
|
| 1847 |
|
|
|
| 1848 |
|
|
template
|
| 1849 |
|
|
inline _ITp
|
| 1850 |
|
|
atomic_fetch_xor(volatile __atomic_base<_ITp>* __a, _ITp __i) noexcept
|
| 1851 |
|
|
{ return atomic_fetch_xor_explicit(__a, __i, memory_order_seq_cst); }
|
| 1852 |
|
|
|
| 1853 |
|
|
|
| 1854 |
|
|
// Partial specializations for pointers.
|
| 1855 |
|
|
template
|
| 1856 |
|
|
inline _ITp*
|
| 1857 |
|
|
atomic_fetch_add_explicit(atomic<_ITp*>* __a, ptrdiff_t __d,
|
| 1858 |
|
|
memory_order __m) noexcept
|
| 1859 |
|
|
{ return __a->fetch_add(__d, __m); }
|
| 1860 |
|
|
|
| 1861 |
|
|
template
|
| 1862 |
|
|
inline _ITp*
|
| 1863 |
|
|
atomic_fetch_add_explicit(volatile atomic<_ITp*>* __a, ptrdiff_t __d,
|
| 1864 |
|
|
memory_order __m) noexcept
|
| 1865 |
|
|
{ return __a->fetch_add(__d, __m); }
|
| 1866 |
|
|
|
| 1867 |
|
|
template
|
| 1868 |
|
|
inline _ITp*
|
| 1869 |
|
|
atomic_fetch_add(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
|
| 1870 |
|
|
{ return __a->fetch_add(__d); }
|
| 1871 |
|
|
|
| 1872 |
|
|
template
|
| 1873 |
|
|
inline _ITp*
|
| 1874 |
|
|
atomic_fetch_add(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
|
| 1875 |
|
|
{ return __a->fetch_add(__d); }
|
| 1876 |
|
|
|
| 1877 |
|
|
template
|
| 1878 |
|
|
inline _ITp*
|
| 1879 |
|
|
atomic_fetch_sub_explicit(volatile atomic<_ITp*>* __a,
|
| 1880 |
|
|
ptrdiff_t __d, memory_order __m) noexcept
|
| 1881 |
|
|
{ return __a->fetch_sub(__d, __m); }
|
| 1882 |
|
|
|
| 1883 |
|
|
template
|
| 1884 |
|
|
inline _ITp*
|
| 1885 |
|
|
atomic_fetch_sub_explicit(atomic<_ITp*>* __a, ptrdiff_t __d,
|
| 1886 |
|
|
memory_order __m) noexcept
|
| 1887 |
|
|
{ return __a->fetch_sub(__d, __m); }
|
| 1888 |
|
|
|
| 1889 |
|
|
template
|
| 1890 |
|
|
inline _ITp*
|
| 1891 |
|
|
atomic_fetch_sub(volatile atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
|
| 1892 |
|
|
{ return __a->fetch_sub(__d); }
|
| 1893 |
|
|
|
| 1894 |
|
|
template
|
| 1895 |
|
|
inline _ITp*
|
| 1896 |
|
|
atomic_fetch_sub(atomic<_ITp*>* __a, ptrdiff_t __d) noexcept
|
| 1897 |
|
|
{ return __a->fetch_sub(__d); }
|
| 1898 |
|
|
// @} group atomics
|
| 1899 |
|
|
|
| 1900 |
|
|
// _GLIBCXX_END_NAMESPACE_VERSION
|
| 1901 |
|
|
} // namespace
|
| 1902 |
|
|
|
| 1903 |
|
|
#endif
|
