标准库标头 <stdatomic.h> (C11)

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C
 
标准库头
 

此标头提供原子操作，特别是，它是并发支持库的一部分。

目录

[编辑] 原子操作

原子类型上的操作
(C11)
 指示给定的原子类型为免锁
(宏常量) [编辑]
(C11)
 指示原子对象是否免锁
(函数) [编辑]
(C11)
 存储值到原子对象
(函数) [编辑]
(C11)
 从原子对象读取值
(函数) [编辑]
(C11)
 将原子对象的值与一个值交换
(函数) [编辑]
(C11)
 若原子对象的旧值为所期待的值则将之与一个值交换，否则读取该旧值
(函数) [编辑]
(C11)
 原子加法
(函数) [编辑]
(C11)
 原子减法
(函数) [编辑]
(C11)
 原子逐位或（OR）
(函数) [编辑]
(C11)
 原子逐位异或（XOR）
(函数) [编辑]
(C11)
 原子逐位与（AND）
(函数) [编辑]
标志类型与操作
(C11)
 免锁原子布尔标志
(结构体) [编辑]
(C11)
 设置 atomic_flag 为 true 并返回旧值
(函数) [编辑]
(C11)
 设置 atomic_flag 为 false
(函数) [编辑]
初始化
(C11)
 初始化既存的原子对象
(函数) [编辑]
(C11)(C17 弃用)(C23 移除)
 初始化新的原子对象
(宏函数) [编辑]
(C11)
 初始化新的 atomic_flag
(宏常量) [编辑]
内存同步定序
(C11)
 定义内存顺序制约
(枚举) [编辑]
(C11)
 打破 memory_order_consume 的依赖链
(宏函数) [编辑]
(C11)
 通用的内存顺序依赖的栅栏同步原语
(函数) [编辑]
(C11)
 线程与执行于同一线程的信号处理函数间的栅栏
(函数) [编辑]
便利类型别名
typedef 名 完整类型名
atomic_bool (C11) _Atomic _Bool
atomic_char (C11) _Atomic char
atomic_schar (C11) _Atomic signed char
atomic_uchar (C11) _Atomic unsigned char
atomic_short (C11) _Atomic short
atomic_ushort (C11) _Atomic unsigned short
atomic_int (C11) _Atomic int
atomic_uint (C11) _Atomic unsigned int
atomic_long (C11) _Atomic long
atomic_ulong (C11) _Atomic unsigned long
atomic_llong (C11) _Atomic long long
atomic_ullong (C11) _Atomic unsigned long long
atomic_char8_t (C23) _Atomic char8_t
atomic_char16_t (C11) _Atomic char16_t
atomic_char32_t (C11) _Atomic char32_t
atomic_wchar_t (C11) _Atomic wchar_t
atomic_int_least8_t (C11) _Atomic int_least8_t
atomic_uint_least8_t (C11) _Atomic uint_least8_t
atomic_int_least16_t (C11) _Atomic int_least16_t
atomic_uint_least16_t (C11) _Atomic uint_least16_t
atomic_int_least32_t (C11) _Atomic int_least32_t
atomic_uint_least32_t (C11) _Atomic uint_least32_t
atomic_int_least64_t (C11) _Atomic int_least64_t
atomic_uint_least64_t (C11) _Atomic uint_least64_t
atomic_int_fast8_t (C11) _Atomic int_fast8_t
atomic_uint_fast8_t (C11) _Atomic uint_fast8_t
atomic_int_fast16_t (C11) _Atomic int_fast16_t
atomic_uint_fast16_t (C11) _Atomic uint_fast16_t
atomic_int_fast32_t (C11) _Atomic int_fast32_t
atomic_uint_fast32_t (C11) _Atomic uint_fast32_t
atomic_int_fast64_t (C11) _Atomic int_fast64_t
atomic_uint_fast64_t (C11) _Atomic uint_fast64_t
atomic_intptr_t (C11) _Atomic intptr_t
atomic_uintptr_t (C11) _Atomic uintptr_t
atomic_size_t (C11) _Atomic size_t
atomic_ptrdiff_t (C11) _Atomic ptrdiff_t
atomic_intmax_t (C11) _Atomic intmax_t
atomic_uintmax_t (C11) _Atomic uintmax_t

[编辑] 概要

本节未完成
原因：add more from 7.17 Atomics <stdatomic.h> and B.16 Atomics <stdatomic.h> 
#define __STDC_VERSION_STDATOMIC_H__ 202311L
 
void atomic_init(volatile A* obj, /*C*/ value);
/*type*/ kill_dependency(/*type*/ y);
void atomic_thread_fence(memory_order order);
void atomic_signal_fence(memory_order order);
bool atomic_is_lock_free(const volatile A* obj);
void atomic_store(volatile A* object, /*C*/ desired);
void atomic_store_explicit(volatile A* object, /*C*/ desired, memory_order order);
/*C*/ atomic_load(const volatile A* object);
/*C*/ atomic_load_explicit(const volatile A* object, memory_order order);
/*C*/ atomic_exchange(volatile A* object, /*C*/ desired);
/*C*/ atomic_exchange_explicit(volatile A* object, /*C*/ desired, memory_order order);
bool atomic_compare_exchange_strong(volatile A* object, /*C*/* expected, /*C*/ desired);
bool atomic_compare_exchange_strong_explicit(volatile A* object, /*C*/* expected,
/*C*/ desired, memory_order success, memory_order failure);
bool atomic_compare_exchange_weak(volatile A* object, /*C*/* expected, /*C*/ desired);
bool atomic_compare_exchange_weak_explicit(volatile A* object, /*C*/* expected,
/*C*/ desired, memory_order success, memory_order failure);
/*C*/ /*atomic_fetch_key*/(volatile A* object, M operand);
/*C*/ /*atomic_fetch_key_explicit*/(volatile A* object, M operand, memory_order order);
bool atomic_flag_test_and_set(volatile atomic_flag* object);
bool atomic_flag_test_and_set_explicit(volatile atomic_flag* object,
memory_order order);
void atomic_flag_clear(volatile atomic_flag* object);
void atomic_flag_clear_explicit(volatile atomic_flag* object,
                                memory_order order);
来自“https://zh.cppreference.com/mwiki/index.php?title=c/header/stdatomic&oldid=98269”