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Change Atomics

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This commit is contained in:
Kevin Trogant 2026-03-09 14:06:59 +01:00
parent 6407788975
commit 6c6cd118c3
1 changed files with 24 additions and 8 deletions
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32
rtcore.h
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@ -297,24 +297,40 @@ RTC_API b32 WriteEntireFile(s8 path, byte *data, isize length);
#if !defined(RTC_NO_ATOMICS)
#if defined(__GNUC__) || defined(__clang__)
/* Atomic add */
#define AtomicAdd32(_addend, _val) __atomic_add_fetch((i32 *)_addend, _val, __ATOMIC_SEQ_CST)
#define AtomicAdd64(_addend, _val) __atomic_add_fetch((i64 *)_addend, _val, __ATOMIC_SEQ_CST)
#define AtomicInc32(_addend) AtomicAdd32(_addend, 1)
#define AtomicInc64(_addend) AtomicAdd64(_addend, 1)
#define AtomicFetchAdd32(_addend, _val) __atomic_fetch_add((i32 *)_addend, _val, __ATOMIC_SEQ_CST)
#define AtomicFetchAdd64(_addend, _val) __atomic_fetch_add((i64 *)_addend, _val, __ATOMIC_SEQ_CST)
#define AtomicInc32(_addend) __atomic_add_fetch((i32 *)_addend, 1, __ATOMIC_SEQ_CST)
#define AtomicInc64(_addend) __atomic_add_fetch((i64 *)_addend, 1, __ATOMIC_SEQ_CST)
#define AtomicStore(_ptr, _val) __atomic_store_n(_ptr, _val, __ATOMIC_SEQ_CST)
#define AtomicStoreRelease(_ptr, _val) __atomic_store_n(_ptr, _val, __ATOMIC_RELEASE)
#define AtomicLoad(_ptr) __atomic_load_n(_ptr, __ATOMIC_SEQ_CST)
#define AtomicLoadAcquire(_ptr) __atomic_load_n(_ptr, __ATOMIC_ACQUIRE)
static force_inline b32
AtomicCompareExchange32(volatile u32 *ptr, u32 expected, u32 new)
{
u32 e = expected;
return (b32)__atomic_compare_exchange_n(ptr, &e, new, 0, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE);
}
static force_inline b32
AtomicCompareExchange64(volatile u64 *ptr, u64 expected, u64 new)
{
return (b32)__atomic_compare_exchange_n(ptr, &expected, new, 0, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE);
}
#elif defined(_MSC_VER)
#define AtomicAdd32(_addend, _val) _InterlockedExchangeAdd((volatile long *)_addend, _val)
#define AtomicAdd64(_addend, _val) _InterlockedExchangeAdd64((volatile __int64 *)_addend, _val)
#define AtomicInc32(_addend) AtomicAdd32(_addend, 1)
#define AtomicInc64(_addend) AtomicAdd64(_addend, 1)
#define AtomicFetchAdd32(_addend, _val) _InterlockedExchangeAdd((volatile long *)_addend, _val)
#define AtomicFetchAdd64(_addend, _val) _InterlockedExchangeAdd64((volatile __int64 *)_addend, _val)
#define AtomicInc32(_addend) _InterlockedIncrement((volatile long *)_addend)
#define AtomicInc64(_addend) _InterlockedIncrement64((volatile long *)_addend)
#define AtomicStore(_ptr, _val) _InterlockedExchange((volatile long *)_ptr, _val)
#define AtomicStoreRelease(_ptr, _val) _InterlockedExchange_HLERelease(_ptr, _val)
#define AtomicLoad(_ptr) _InterlockedOr(_ptr, 0)
#define AtomicLoadAcquire(_ptr) _InterlockedOr_HLEAcquire(_ptr, 0)
#define AtomicCompareExchange32(_ptr, _expected, _new) \
_InterlockedCompareExchange((volatile long *)_ptr, _new, _expected)
#define AtomicCompareExchange64(_ptr, _expected, _new) \
_InterlockedCompareExchange((volatile __int64 *)_ptr, _new, _expected)
#elif defined(__TINYC__)
/* FIXME: Kevin: These need to "return" the new value */
#define AtomicInc32(_addend) \
do \
{ \