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stdatomic: stdatomic.h header

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Dmitry Selyutin 2021-01-26 23:39:14 +03:00
parent 719a6b3a16
commit f2e7742aea
1 changed files with 121 additions and 0 deletions
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#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/* 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 */
#ifdef __cplusplus
typedef _Atomic(bool) atomic_bool;
#else
typedef _Atomic(_Bool) atomic_bool;
#endif
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_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_strong(object, expected, desired, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
#define atomic_compare_exchange_strong_explicit __atomic_compare_exchange_strong
#define atomic_compare_exchange_weak(object, expected, desired) \
__atomic_compare_exchange_weak(object, expected, desired, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
#define atomic_compare_exchange_weak_explicit __atomic_compare_exchange_weak
#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
#ifdef __cplusplus
} /* extern "C" */
#endif