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#include "atomic.h"
#ifdef _MSC_VER
static_assert(sizeof(char) == 1, "Wrong char size");
static_assert(sizeof(short) == 2, "Wrong short size");
static_assert(sizeof(int) == 4, "Wrong int size");
# include <intrin.h>
void kit_atomic_store_explicit_8(u8 volatile *var, u8 value,
i32 memory_order) {
char volatile *dst = (char volatile *) var;
char src = (char) value;
switch (memory_order) {
case memory_order_relaxed: *dst = src; break;
default: _InterlockedExchange8(dst, src);
}
}
void kit_atomic_store_explicit_16(u16 volatile *var, u16 value,
i32 memory_order) {
short volatile *dst = (short volatile *) var;
short src = (short) value;
switch (memory_order) {
case memory_order_relaxed: *dst = src; break;
default: _InterlockedExchange16(dst, src);
}
}
void kit_atomic_store_explicit_32(u32 volatile *var, u32 value,
i32 memory_order) {
int volatile *dst = (int volatile *) var;
int src = (int) value;
switch (memory_order) {
case memory_order_relaxed: *dst = src; break;
default: _InterlockedExchange(dst, src);
}
}
void kit_atomic_store_explicit_64(u64 volatile *var, u64 value,
i32 memory_order) {
__int64 volatile *dst = (__int64 volatile *) var;
__int64 src = (__int64) value;
switch (memory_order) {
case memory_order_relaxed: *dst = src; break;
default:
# ifdef _WIN64
_InterlockedExchange64(dst, src);
# else
assert(0);
_InterlockedExchange((int volatile *) dst, (int) src);
# endif
}
}
u8 kit_atomic_load_explicit_8(volatile u8 *var, i32 memory_order) {
char volatile *dst = (char volatile *) var;
if (memory_order == memory_order_relaxed)
return (u8) *dst;
return (u8) _InterlockedOr8(dst, 0);
}
u16 kit_atomic_load_explicit_16(u16 volatile *var, i32 memory_order) {
short volatile *dst = (short volatile *) var;
if (memory_order == memory_order_relaxed)
return (u16) *dst;
return (u16) _InterlockedOr16(dst, 0);
}
u32 kit_atomic_load_explicit_32(u32 volatile *var, i32 memory_order) {
int volatile *dst = (int volatile *) var;
if (memory_order == memory_order_relaxed)
return (u32) *dst;
return (u32) _InterlockedOr(dst, 0);
}
u64 kit_atomic_load_explicit_64(u64 volatile *var, i32 memory_order) {
__int64 volatile *dst = (__int64 volatile *) var;
if (memory_order == memory_order_relaxed)
return (u64) *dst;
# ifdef _WIN64
return (u64) _InterlockedOr64(dst, 0);
# else
assert(0);
return (u64) _InterlockedOr((int volatile *) dst, 0);
# endif
}
u8 kit_atomic_exchange_explicit_8(volatile u8 *var, u8 value,
i32 memory_order) {
char volatile *dst = (char volatile *) var;
char src = (char) value;
return (u8) _InterlockedExchange8(dst, src);
}
u16 kit_atomic_exchange_explicit_16(u16 volatile *var, u16 value,
i32 memory_order) {
short volatile *dst = (short volatile *) var;
short src = (short) value;
return (u16) _InterlockedExchange16(dst, src);
}
u32 kit_atomic_exchange_explicit_32(u32 volatile *var, u32 value,
i32 memory_order) {
int volatile *dst = (int volatile *) var;
int src = (int) value;
return (u32) _InterlockedExchange(dst, src);
}
u64 kit_atomic_exchange_explicit_64(u64 volatile *var, u64 value,
i32 memory_order) {
__int64 volatile *dst = (__int64 volatile *) var;
__int64 src = (__int64) value;
# ifdef _WIN64
return (u64) _InterlockedExchange64(dst, src);
# else
assert(0);
return (u64) _InterlockedExchange((int volatile *) dst, (int) src);
# endif
}
int kit_atomic_compare_exchange_explicit_8(volatile u8 *var,
u8 *expected, u8 value,
i32 memory_order_succ_,
i32 memory_order_fail_) {
char volatile *dst = (char volatile *) var;
char src = (char) value;
char exp = (char) *expected;
*expected = (u8) _InterlockedCompareExchange8(dst, src, exp);
return exp == (char) *expected;
}
int kit_atomic_compare_exchange_explicit_16(u16 volatile *var,
u16 *expected, u16 value,
i32 memory_order_succ_,
i32 memory_order_fail_) {
short volatile *dst = (short volatile *) var;
short src = (short) value;
short exp = (short) *expected;
*expected = (u16) _InterlockedCompareExchange16(dst, src, exp);
return exp == (short) *expected;
}
int kit_atomic_compare_exchange_explicit_32(u32 volatile *var,
u32 *expected, u32 value,
i32 memory_order_succ_,
i32 memory_order_fail_) {
int volatile *dst = (int volatile *) var;
int src = (int) value;
int exp = (int) *expected;
*expected = (u32) _InterlockedCompareExchange(dst, src, exp);
return exp == (int) *expected;
}
int kit_atomic_compare_exchange_explicit_64(u64 volatile *var,
u64 *expected, u64 value,
i32 memory_order_succ_,
i32 memory_order_fail_) {
__int64 volatile *dst = (__int64 volatile *) var;
__int64 src = (__int64) value;
__int64 exp = (__int64) *expected;
# ifdef _WIN64
*expected = (u64) _InterlockedCompareExchange64(dst, src, exp);
# else
assert(0);
*expected = (u64) _InterlockedCompareExchange((int volatile *) dst,
(int) src, (int) exp);
# endif
return exp == (__int64) *expected;
}
u8 kit_atomic_fetch_add_explicit_8(volatile u8 *var, u8 value,
i32 memory_order) {
char volatile *dst = (char volatile *) var;
char src = (char) value;
return (u8) _InterlockedExchangeAdd8(dst, src);
}
u16 kit_atomic_fetch_add_explicit_16(u16 volatile *var, u16 value,
i32 memory_order) {
short volatile *dst = (short volatile *) var;
short src = (short) value;
return (u16) _InterlockedExchangeAdd16(dst, src);
}
u32 kit_atomic_fetch_add_explicit_32(u32 volatile *var, u32 value,
i32 memory_order) {
int volatile *dst = (int volatile *) var;
int src = (int) value;
return (u32) _InterlockedExchangeAdd(dst, src);
}
u64 kit_atomic_fetch_add_explicit_64(u64 volatile *var, u64 value,
i32 memory_order) {
__int64 volatile *dst = (__int64 volatile *) var;
__int64 src = (__int64) value;
# ifdef _WIN64
return (u64) _InterlockedExchangeAdd64(dst, src);
# else
assert(0);
return (u64) _InterlockedExchangeAdd((int volatile *) dst,
(int) src);
# endif
}
#endif
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