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126 lines
4.8 KiB
C
126 lines
4.8 KiB
C
/* This file is derived from clang's stdatomic.h */
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/*===---- stdatomic.h - Standard header for atomic types and operations -----===
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*
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*===-----------------------------------------------------------------------===
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*/
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#ifndef _STDATOMIC_H
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#define _STDATOMIC_H
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#include <stddef.h>
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#include <stdint.h>
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/* Memory ordering */
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typedef enum {
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memory_order_relaxed = __ATOMIC_RELAXED,
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memory_order_consume = __ATOMIC_CONSUME,
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memory_order_acquire = __ATOMIC_ACQUIRE,
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memory_order_release = __ATOMIC_RELEASE,
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memory_order_acq_rel = __ATOMIC_ACQ_REL,
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memory_order_seq_cst = __ATOMIC_SEQ_CST,
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} memory_order;
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/* Atomic typedefs */
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typedef _Atomic(_Bool) atomic_bool;
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typedef _Atomic(char) atomic_char;
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typedef _Atomic(signed char) atomic_schar;
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typedef _Atomic(unsigned char) atomic_uchar;
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typedef _Atomic(short) atomic_short;
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typedef _Atomic(unsigned short) atomic_ushort;
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typedef _Atomic(int) atomic_int;
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typedef _Atomic(unsigned int) atomic_uint;
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typedef _Atomic(long) atomic_long;
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typedef _Atomic(unsigned long) atomic_ulong;
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typedef _Atomic(long long) atomic_llong;
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typedef _Atomic(unsigned long long) atomic_ullong;
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typedef _Atomic(uint_least16_t) atomic_char16_t;
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typedef _Atomic(uint_least32_t) atomic_char32_t;
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typedef _Atomic(wchar_t) atomic_wchar_t;
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typedef _Atomic(int_least8_t) atomic_int_least8_t;
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typedef _Atomic(uint_least8_t) atomic_uint_least8_t;
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typedef _Atomic(int_least16_t) atomic_int_least16_t;
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typedef _Atomic(uint_least16_t) atomic_uint_least16_t;
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typedef _Atomic(int_least32_t) atomic_int_least32_t;
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typedef _Atomic(uint_least32_t) atomic_uint_least32_t;
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typedef _Atomic(int_least64_t) atomic_int_least64_t;
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typedef _Atomic(uint_least64_t) atomic_uint_least64_t;
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typedef _Atomic(int_fast8_t) atomic_int_fast8_t;
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typedef _Atomic(uint_fast8_t) atomic_uint_fast8_t;
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typedef _Atomic(int_fast16_t) atomic_int_fast16_t;
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typedef _Atomic(uint_fast16_t) atomic_uint_fast16_t;
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typedef _Atomic(int_fast32_t) atomic_int_fast32_t;
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typedef _Atomic(uint_fast32_t) atomic_uint_fast32_t;
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typedef _Atomic(int_fast64_t) atomic_int_fast64_t;
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typedef _Atomic(uint_fast64_t) atomic_uint_fast64_t;
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typedef _Atomic(intptr_t) atomic_intptr_t;
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typedef _Atomic(uintptr_t) atomic_uintptr_t;
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typedef _Atomic(size_t) atomic_size_t;
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typedef _Atomic(ptrdiff_t) atomic_ptrdiff_t;
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typedef _Atomic(intmax_t) atomic_intmax_t;
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typedef _Atomic(uintmax_t) atomic_uintmax_t;
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/* Atomic flag */
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typedef struct {
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atomic_bool value;
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} atomic_flag;
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#define ATOMIC_FLAG_INIT {0}
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#define atomic_flag_test_and_set(object) \
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__c11_atomic_exchange(&(object)->value, 1, __ATOMIC_SEQ_CST)
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#define atomic_flag_test_and_set_explicit(object, order) \
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__c11_atomic_exchange(&(object)->value, 1, order)
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#define atomic_flag_clear(object) \
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__c11_atomic_store(&(object)->value, 0, __ATOMIC_SEQ_CST)
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#define atomic_flag_clear_explicit(object, order) \
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__c11_atomic_store(&(object)->value, 0, order)
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/* Generic routines */
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#define atomic_store(object, desired) \
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__c11_atomic_store(object, desired, __ATOMIC_SEQ_CST)
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#define atomic_store_explicit __c11_atomic_store
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#define atomic_load(object) \
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__c11_atomic_load(object, __ATOMIC_SEQ_CST)
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#define atomic_load_explicit __c11_atomic_load
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#define atomic_exchange(object, desired) \
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__c11_atomic_exchange(object, desired, __ATOMIC_SEQ_CST)
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#define atomic_exchange_explicit __c11_atomic_exchange
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#define atomic_compare_exchange_strong(object, expected, desired) \
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__c11_atomic_compare_exchange_strong(object, expected, desired, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
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#define atomic_compare_exchange_strong_explicit __c11_atomic_compare_exchange_strong
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#define atomic_compare_exchange_weak(object, expected, desired) \
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__c11_atomic_compare_exchange_weak(object, expected, desired, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
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#define atomic_compare_exchange_weak_explicit __c11_atomic_compare_exchange_weak
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#define atomic_fetch_add(object, operand) \
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__c11_atomic_fetch_add(object, operand, __ATOMIC_SEQ_CST)
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#define atomic_fetch_add_explicit __c11_atomic_fetch_add
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#define atomic_fetch_sub(object, operand) \
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__c11_atomic_fetch_sub(object, operand, __ATOMIC_SEQ_CST)
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#define atomic_fetch_sub_explicit __c11_atomic_fetch_sub
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#define atomic_fetch_or(object, operand) \
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__c11_atomic_fetch_or(object, operand, __ATOMIC_SEQ_CST)
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#define atomic_fetch_or_explicit __c11_atomic_fetch_or
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#define atomic_fetch_xor(object, operand) \
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__c11_atomic_fetch_xor(object, operand, __ATOMIC_SEQ_CST)
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#define atomic_fetch_xor_explicit __c11_atomic_fetch_xor
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#define atomic_fetch_and(object, operand) \
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__c11_atomic_fetch_and(object, operand, __ATOMIC_SEQ_CST)
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#define atomic_fetch_and_explicit __c11_atomic_fetch_and
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#endif /* _STDATOMIC_H */
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