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#ifndef KIT_ATOMIC_H
#define KIT_ATOMIC_H
#include "types.h"
#ifndef _MSC_VER
# include <stdatomic.h>
#else
# include <assert.h>
# ifdef __cplusplus
extern "C" {
# endif
# define _Atomic volatile
enum {
memory_order_relaxed,
memory_order_consume,
memory_order_acquire,
memory_order_release,
memory_order_acq_rel,
memory_order_seq_cst
};
void kit_atomic_store_explicit_8(u8 volatile *var, u8 value,
i32 memory_order);
void kit_atomic_store_explicit_16(u16 volatile *var, u16 value,
i32 memory_order);
void kit_atomic_store_explicit_32(u32 volatile *var, u32 value,
i32 memory_order);
void kit_atomic_store_explicit_64(u64 volatile *var, u64 value,
i32 memory_order);
u8 kit_atomic_load_explicit_8(u8 volatile *var, i32 memory_order);
u16 kit_atomic_load_explicit_16(u16 volatile *var, i32 memory_order);
u32 kit_atomic_load_explicit_32(u32 volatile *var, i32 memory_order);
u64 kit_atomic_load_explicit_64(u64 volatile *var, i32 memory_order);
u8 kit_atomic_exchange_explicit_8(u8 volatile *var, u8 value,
i32 memory_order);
u16 kit_atomic_exchange_explicit_16(u16 volatile *var, u16 value,
i32 memory_order);
u32 kit_atomic_exchange_explicit_32(u32 volatile *var, u32 value,
i32 memory_order);
u64 kit_atomic_exchange_explicit_64(u64 volatile *var, u64 value,
i32 memory_order);
i32 kit_atomic_compare_exchange_explicit_8(u8 volatile *var,
u8 *expected, u8 value,
i32 memory_order_succ_,
i32 memory_order_fail_);
i32 kit_atomic_compare_exchange_explicit_16(u16 volatile *var,
u16 *expected, u16 value,
i32 memory_order_succ_,
i32 memory_order_fail_);
i32 kit_atomic_compare_exchange_explicit_32(u32 volatile *var,
u32 *expected, u32 value,
i32 memory_order_succ_,
i32 memory_order_fail_);
i32 kit_atomic_compare_exchange_explicit_64(u64 volatile *var,
u64 *expected, u64 value,
i32 memory_order_succ_,
i32 memory_order_fail_);
u8 kit_atomic_fetch_add_explicit_8(u8 volatile *var, u8 value,
i32 memory_order);
u16 kit_atomic_fetch_add_explicit_16(u16 volatile *var, u16 value,
i32 memory_order);
u32 kit_atomic_fetch_add_explicit_32(u32 volatile *var, u32 value,
i32 memory_order);
u64 kit_atomic_fetch_add_explicit_64(u64 volatile *var, u64 value,
i32 memory_order);
# define atomic_store_explicit(var_, value_, memory_order_) \
do { \
assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
sizeof *(var_) == 4 || sizeof *(var_) == 8); \
if (sizeof *(var_) == 1) \
kit_atomic_store_explicit_8((u8 volatile *) (var_), \
(u8) (value_), (memory_order_)); \
if (sizeof *(var_) == 2) \
kit_atomic_store_explicit_16((u16 volatile *) (var_), \
(u16) (value_), \
(memory_order_)); \
if (sizeof *(var_) == 4) \
kit_atomic_store_explicit_32((u32 volatile *) (var_), \
(u32) (value_), \
(memory_order_)); \
if (sizeof *(var_) == 8) \
kit_atomic_store_explicit_64((u64 volatile *) (var_), \
(u64) (value_), \
(memory_order_)); \
} while (0)
# define atomic_load_explicit(var_, memory_order_) \
(assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
sizeof *(var_) == 4 || sizeof *(var_) == 8), \
(sizeof *(var_) == 1 \
? kit_atomic_load_explicit_8((u8 volatile *) (var_), \
(memory_order_)) \
: sizeof *(var_) == 2 \
? kit_atomic_load_explicit_16((u16 volatile *) (var_), \
(memory_order_)) \
: sizeof *(var_) == 4 \
? kit_atomic_load_explicit_32((u32 volatile *) (var_), \
(memory_order_)) \
: kit_atomic_load_explicit_64((u64 volatile *) (var_), \
(memory_order_))))
# define atomic_exchange_explicit(var_, value_, memory_order_) \
(assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
sizeof *(var_) == 4 || sizeof *(var_) == 8), \
(sizeof *(var_) == 1 ? kit_atomic_exchange_explicit_8( \
(u8 volatile *) (var_), \
(u8) (value_), (memory_order_)) \
: sizeof *(var_) == 2 ? kit_atomic_exchange_explicit_16( \
(u16 volatile *) (var_), \
(u16) (value_), (memory_order_)) \
: sizeof *(var_) == 4 \
? kit_atomic_exchange_explicit_32((u32 volatile *) (var_), \
(u32) (value_), \
(memory_order_)) \
: kit_atomic_exchange_explicit_64((u64 volatile *) (var_), \
(u64) (value_), \
(memory_order_))))
# define atomic_compare_exchange_strong_explicit( \
var_, expected_, value_, memory_order_succ_, \
memory_order_fail_) \
(assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
sizeof *(var_) == 4 || sizeof *(var_) == 8), \
(sizeof *(var_) == 1 \
? kit_atomic_compare_exchange_explicit_8( \
(u8 volatile *) (var_), (u8 *) (expected_), \
(u8) (value_), (memory_order_succ_), \
(memory_order_fail_)) \
: sizeof *(var_) == 2 \
? kit_atomic_compare_exchange_explicit_16( \
(u16 volatile *) (var_), (u16 *) (expected_), \
(u16) (value_), (memory_order_succ_), \
(memory_order_fail_)) \
: sizeof *(var_) == 4 \
? kit_atomic_compare_exchange_explicit_32( \
(u32 volatile *) (var_), (u32 *) (expected_), \
(u32) (value_), (memory_order_succ_), \
(memory_order_fail_)) \
: kit_atomic_compare_exchange_explicit_64( \
(u64 volatile *) (var_), (u64 *) (expected_), \
(u64) (value_), (memory_order_succ_), \
(memory_order_fail_))))
# define atomic_compare_exchange_weak_explicit( \
var_, expected_, value_, memory_order_succ_, \
memory_order_fail_) \
atomic_compare_exchange_strong_explicit(var_, expected_, value_, \
memory_order_succ_, \
memory_order_fail_)
# define atomic_fetch_add_explicit(var_, value_, memory_order_) \
(assert(sizeof *(var_) == 1 || sizeof *(var_) == 2 || \
sizeof *(var_) == 4 || sizeof *(var_) == 8), \
(sizeof *(var_) == 1 ? kit_atomic_fetch_add_explicit_8( \
(u8 volatile *) (var_), \
(u8) (value_), (memory_order_)) \
: sizeof *(var_) == 2 ? kit_atomic_fetch_add_explicit_16( \
(u16 volatile *) (var_), \
(u16) (value_), (memory_order_)) \
: sizeof *(var_) == 4 ? kit_atomic_fetch_add_explicit_32( \
(u32 volatile *) (var_), \
(u32) (value_), (memory_order_)) \
: kit_atomic_fetch_add_explicit_64( \
(u64 volatile *) (var_), \
(u64) (value_), (memory_order_))))
# define atomic_store(var_, value_) \
atomic_store(var_, value_, memory_order_seq_cst)
# define atomic_load(var_) atomic_load(var_, memory_order_seq_cst)
# define atomic_exchange(var_, value_) \
atomic_exchange(var_, value_, memory_order_seq_cst)
# define atomic_compare_exchange_strong(var_, expected_, value_) \
atomic_compare_exchange_strong_explicit(var_, expected_, value_, \
memory_order_seq_cst, \
memory_order_seq_cst)
# define atomic_compare_exchange_weak(var_, expected_, value_) \
atomic_compare_exchange_weak_explicit(var_, expected_, value_, \
memory_order_seq_cst, \
memory_order_seq_cst)
# define atomic_fetch_add(var_, value_) \
atomic_fetch_add(var_, value_, memory_order_seq_cst)
# ifdef __cplusplus
}
# endif
#endif
#define ATOMIC KIT_ATOMIC
#endif
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