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| 1 | #include <stddef.h> | ||
| 2 | #include <stdint.h> | ||
| 3 | |||
| 4 | #ifdef __cplusplus | ||
| 5 | extern "C" { | ||
| 6 | #endif | ||
| 7 | |||
| 8 | /* Memory ordering */ | ||
| 9 | typedef enum { | ||
| 10 | memory_order_relaxed = __ATOMIC_RELAXED, | ||
| 11 | memory_order_consume = __ATOMIC_CONSUME, | ||
| 12 | memory_order_acquire = __ATOMIC_ACQUIRE, | ||
| 13 | memory_order_release = __ATOMIC_RELEASE, | ||
| 14 | memory_order_acq_rel = __ATOMIC_ACQ_REL, | ||
| 15 | memory_order_seq_cst = __ATOMIC_SEQ_CST, | ||
| 16 | } memory_order; | ||
| 17 | |||
| 18 | /* Atomic typedefs */ | ||
| 19 | #ifdef __cplusplus | ||
| 20 | typedef _Atomic(bool) atomic_bool; | ||
| 21 | #else | ||
| 22 | typedef _Atomic(_Bool) atomic_bool; | ||
| 23 | #endif | ||
| 24 | typedef _Atomic(char) atomic_char; | ||
| 25 | typedef _Atomic(signed char) atomic_schar; | ||
| 26 | typedef _Atomic(unsigned char) atomic_uchar; | ||
| 27 | typedef _Atomic(short) atomic_short; | ||
| 28 | typedef _Atomic(unsigned short) atomic_ushort; | ||
| 29 | typedef _Atomic(int) atomic_int; | ||
| 30 | typedef _Atomic(unsigned int) atomic_uint; | ||
| 31 | typedef _Atomic(long) atomic_long; | ||
| 32 | typedef _Atomic(unsigned long) atomic_ulong; | ||
| 33 | typedef _Atomic(long long) atomic_llong; | ||
| 34 | typedef _Atomic(unsigned long long) atomic_ullong; | ||
| 35 | typedef _Atomic(uint_least16_t) atomic_char16_t; | ||
| 36 | typedef _Atomic(uint_least32_t) atomic_char32_t; | ||
| 37 | typedef _Atomic(wchar_t) atomic_wchar_t; | ||
| 38 | typedef _Atomic(int_least8_t) atomic_int_least8_t; | ||
| 39 | typedef _Atomic(uint_least8_t) atomic_uint_least8_t; | ||
| 40 | typedef _Atomic(int_least16_t) atomic_int_least16_t; | ||
| 41 | typedef _Atomic(uint_least16_t) atomic_uint_least16_t; | ||
| 42 | typedef _Atomic(int_least32_t) atomic_int_least32_t; | ||
| 43 | typedef _Atomic(uint_least32_t) atomic_uint_least32_t; | ||
| 44 | typedef _Atomic(int_least64_t) atomic_int_least64_t; | ||
| 45 | typedef _Atomic(uint_least64_t) atomic_uint_least64_t; | ||
| 46 | typedef _Atomic(int_fast8_t) atomic_int_fast8_t; | ||
| 47 | typedef _Atomic(uint_fast8_t) atomic_uint_fast8_t; | ||
| 48 | typedef _Atomic(int_fast16_t) atomic_int_fast16_t; | ||
| 49 | typedef _Atomic(uint_fast16_t) atomic_uint_fast16_t; | ||
| 50 | typedef _Atomic(int_fast32_t) atomic_int_fast32_t; | ||
| 51 | typedef _Atomic(uint_fast32_t) atomic_uint_fast32_t; | ||
| 52 | typedef _Atomic(int_fast64_t) atomic_int_fast64_t; | ||
| 53 | typedef _Atomic(uint_fast64_t) atomic_uint_fast64_t; | ||
| 54 | typedef _Atomic(intptr_t) atomic_intptr_t; | ||
| 55 | typedef _Atomic(uintptr_t) atomic_uintptr_t; | ||
| 56 | typedef _Atomic(size_t) atomic_size_t; | ||
| 57 | typedef _Atomic(ptrdiff_t) atomic_ptrdiff_t; | ||
| 58 | typedef _Atomic(intmax_t) atomic_intmax_t; | ||
| 59 | typedef _Atomic(uintmax_t) atomic_uintmax_t; | ||
| 60 | |||
| 61 | /* Atomic flag */ | ||
| 62 | typedef struct { | ||
| 63 | atomic_bool value; | ||
| 64 | } atomic_flag; | ||
| 65 | |||
| 66 | #define ATOMIC_FLAG_INIT { 0 } | ||
| 67 | |||
| 68 | #define atomic_flag_test_and_set(object) \ | ||
| 69 | __atomic_exchange(&(object)->value, 1, __ATOMIC_SEQ_CST) | ||
| 70 | #define atomic_flag_test_and_set_explicit(object, order) \ | ||
| 71 | __atomic_exchange(&(object)->value, 1, order) | ||
| 72 | |||
| 73 | #define atomic_flag_clear(object) \ | ||
| 74 | __atomic_store(&(object)->value, 0, __ATOMIC_SEQ_CST) | ||
| 75 | #define atomic_flag_clear_explicit(object, order) \ | ||
| 76 | __atomic_store(&(object)->value, 0, order) | ||
| 77 | |||
| 78 | /* Generic routines */ | ||
| 79 | #define atomic_store(object, desired) \ | ||
| 80 | __atomic_store(object, desired, __ATOMIC_SEQ_CST) | ||
| 81 | #define atomic_store_explicit __atomic_store | ||
| 82 | |||
| 83 | #define atomic_load(object) \ | ||
| 84 | __atomic_load(object, __ATOMIC_SEQ_CST) | ||
| 85 | #define atomic_load_explicit __atomic_load | ||
| 86 | |||
| 87 | #define atomic_exchange(object, desired) \ | ||
| 88 | __atomic_exchange(object, desired, __ATOMIC_SEQ_CST) | ||
| 89 | #define atomic_exchange_explicit __atomic_exchange | ||
| 90 | |||
| 91 | #define atomic_compare_exchange_strong(object, expected, desired) \ | ||
| 92 | __atomic_compare_exchange_strong(object, expected, desired, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST) | ||
| 93 | #define atomic_compare_exchange_strong_explicit __atomic_compare_exchange_strong | ||
| 94 | |||
| 95 | #define atomic_compare_exchange_weak(object, expected, desired) \ | ||
| 96 | __atomic_compare_exchange_weak(object, expected, desired, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST) | ||
| 97 | #define atomic_compare_exchange_weak_explicit __atomic_compare_exchange_weak | ||
| 98 | |||
| 99 | #define atomic_fetch_add(object, operand) \ | ||
| 100 | __atomic_fetch_add(object, operand, __ATOMIC_SEQ_CST) | ||
| 101 | #define atomic_fetch_add_explicit __atomic_fetch_add | ||
| 102 | |||
| 103 | #define atomic_fetch_sub(object, operand) \ | ||
| 104 | __atomic_fetch_sub(object, operand, __ATOMIC_SEQ_CST) | ||
| 105 | #define atomic_fetch_sub_explicit __atomic_fetch_sub | ||
| 106 | |||
| 107 | #define atomic_fetch_or(object, operand) \ | ||
| 108 | __atomic_fetch_or(object, operand, __ATOMIC_SEQ_CST) | ||
| 109 | #define atomic_fetch_or_explicit __atomic_fetch_or | ||
| 110 | |||
| 111 | #define atomic_fetch_xor(object, operand) \ | ||
| 112 | __atomic_fetch_xor(object, operand, __ATOMIC_SEQ_CST) | ||
| 113 | #define atomic_fetch_xor_explicit __atomic_fetch_xor | ||
| 114 | |||
| 115 | #define atomic_fetch_and(object, operand) \ | ||
| 116 | __atomic_fetch_and(object, operand, __ATOMIC_SEQ_CST) | ||
| 117 | #define atomic_fetch_and_explicit __atomic_fetch_and | ||
| 118 | |||
| 119 | #ifdef __cplusplus | ||
| 120 | } /* extern "C" */ | ||
| 121 | #endif | ||