/* This file is derived from clang's stdatomic.h */ /*===---- stdatomic.h - Standard header for atomic types and operations -----=== * * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. * See https://llvm.org/LICENSE.txt for license information. * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception * *===-----------------------------------------------------------------------=== */ #ifndef _STDATOMIC_H#define _STDATOMIC_H #include <stddef.h>#include <stdint.h> #define __ATOMIC_RELAXED 0#define __ATOMIC_CONSUME 1#define __ATOMIC_ACQUIRE 2#define __ATOMIC_RELEASE 3#define __ATOMIC_ACQ_REL 4#define __ATOMIC_SEQ_CST 5 /* Memory ordering */typedef enum {    memory_order_relaxed = __ATOMIC_RELAXED,    memory_order_consume = __ATOMIC_CONSUME,    memory_order_acquire = __ATOMIC_ACQUIRE,    memory_order_release = __ATOMIC_RELEASE,    memory_order_acq_rel = __ATOMIC_ACQ_REL,    memory_order_seq_cst = __ATOMIC_SEQ_CST,} memory_order; /* Atomic typedefs */typedef _Atomic(_Bool) atomic_bool;typedef _Atomic(char) atomic_char;typedef _Atomic(signed char) atomic_schar;typedef _Atomic(unsigned char) atomic_uchar;typedef _Atomic(short) atomic_short;typedef _Atomic(unsigned short) atomic_ushort;typedef _Atomic(int) atomic_int;typedef _Atomic(unsigned int) atomic_uint;typedef _Atomic(long) atomic_long;typedef _Atomic(unsigned long) atomic_ulong;typedef _Atomic(long long) atomic_llong;typedef _Atomic(unsigned long long) atomic_ullong;typedef _Atomic(uint_least16_t) atomic_char16_t;typedef _Atomic(uint_least32_t) atomic_char32_t;typedef _Atomic(wchar_t) atomic_wchar_t;typedef _Atomic(int_least8_t) atomic_int_least8_t;typedef _Atomic(uint_least8_t) atomic_uint_least8_t;typedef _Atomic(int_least16_t) atomic_int_least16_t;typedef _Atomic(uint_least16_t) atomic_uint_least16_t;typedef _Atomic(int_least32_t) atomic_int_least32_t;typedef _Atomic(uint_least32_t) atomic_uint_least32_t;typedef _Atomic(int_least64_t) atomic_int_least64_t;typedef _Atomic(uint_least64_t) atomic_uint_least64_t;typedef _Atomic(int_fast8_t) atomic_int_fast8_t;typedef _Atomic(uint_fast8_t) atomic_uint_fast8_t;typedef _Atomic(int_fast16_t) atomic_int_fast16_t;typedef _Atomic(uint_fast16_t) atomic_uint_fast16_t;typedef _Atomic(int_fast32_t) atomic_int_fast32_t;typedef _Atomic(uint_fast32_t) atomic_uint_fast32_t;typedef _Atomic(int_fast64_t) atomic_int_fast64_t;typedef _Atomic(uint_fast64_t) atomic_uint_fast64_t;typedef _Atomic(intptr_t) atomic_intptr_t;typedef _Atomic(uintptr_t) atomic_uintptr_t;typedef _Atomic(size_t) atomic_size_t;typedef _Atomic(ptrdiff_t) atomic_ptrdiff_t;typedef _Atomic(intmax_t) atomic_intmax_t;typedef _Atomic(uintmax_t) atomic_uintmax_t; /* Atomic flag */typedef struct {    atomic_bool value;} atomic_flag; #define ATOMIC_FLAG_INIT {0} #define atomic_flag_test_and_set(object) \    __atomic_exchange(&(object)->value, 1, __ATOMIC_SEQ_CST)#define atomic_flag_test_and_set_explicit(object, order) \    __atomic_exchange(&(object)->value, 1, order) #define atomic_flag_clear(object) \    __atomic_store(&(object)->value, 0, __ATOMIC_SEQ_CST)#define atomic_flag_clear_explicit(object, order) \    __atomic_store(&(object)->value, 0, order) /* Generic routines */#define atomic_init(object, desired) \    __atomic_store(object, desired, __ATOMIC_RELAXED) #define atomic_store(object, desired) \    __atomic_store(object, desired, __ATOMIC_SEQ_CST)#define atomic_store_explicit __atomic_store #define atomic_load(object) \    __atomic_load(object, __ATOMIC_SEQ_CST)#define atomic_load_explicit __atomic_load #define atomic_exchange(object, desired) \    __atomic_exchange(object, desired, __ATOMIC_SEQ_CST)#define atomic_exchange_explicit __atomic_exchange #define atomic_compare_exchange_strong(object, expected, desired) \    __atomic_compare_exchange(object, expected, desired, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)#define atomic_compare_exchange_strong_explicit(object, expected, desired, success, failure) \    __atomic_compare_exchange(object, expected, desired, 0, success, failure) #define atomic_compare_exchange_weak(object, expected, desired) \    __atomic_compare_exchange(object, expected, desired, 1, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)#define atomic_compare_exchange_weak_explicit(object, expected, desired, success, failure) \    __atomic_compare_exchange(object, expected, desired, 1, success, failure) #define atomic_fetch_add(object, operand) \    __atomic_fetch_add(object, operand, __ATOMIC_SEQ_CST)#define atomic_fetch_add_explicit __atomic_fetch_add #define atomic_fetch_sub(object, operand) \    __atomic_fetch_sub(object, operand, __ATOMIC_SEQ_CST)#define atomic_fetch_sub_explicit __atomic_fetch_sub #define atomic_fetch_or(object, operand) \    __atomic_fetch_or(object, operand, __ATOMIC_SEQ_CST)#define atomic_fetch_or_explicit __atomic_fetch_or #define atomic_fetch_xor(object, operand) \    __atomic_fetch_xor(object, operand, __ATOMIC_SEQ_CST)#define atomic_fetch_xor_explicit __atomic_fetch_xor #define atomic_fetch_and(object, operand) \    __atomic_fetch_and(object, operand, __ATOMIC_SEQ_CST)#define atomic_fetch_and_explicit __atomic_fetch_and #endif /* _STDATOMIC_H */