#ifndef RT_ATOMICS_H
#define RT_ATOMICS_H

/* Macros & helpers for atomic instructions */

#ifdef _MSC_VER

/* Increment and decrement return the new value */

#define rtAtomic32Inc(pa) _InterlockedIncrement((volatile LONG *)(pa))
#define rtAtomic64Inc(pa) _InterlockedIncrement64((volatile LONG64 *)(pa))
#define rtAtomic32Dec(pa) _InterlockedDecrement((volatile LONG *)(pa))
#define rtAtomic64Dec(pa) _InterlockedDecrement64((volatile LONG64 *)(pa))

#define rtAtomic32FetchAdd(pa, value) _InterlockedExchangeAdd((volatile LONG *)(pa), (LONG)(value))
#define rtAtomic64FetchAdd(pa, value) _InterlockedExchangeAdd64((volatile LONG64 *)(pa), (LONG)(value))

#elif defined(__GNUC__) || defined(__clang__)

#define rtAtomic32Inc(pa) __atomic_add_fetch((pa), 1, __ATOMIC_SEQ_CST)
#define rtAtomic64Inc(pa) __atomic_add_fetch((pa), 1LL, __ATOMIC_SEQ_CST)
#define rtAtomic32Dec(pa) __atomic_sub_fetch((pa), 1, __ATOMIC_SEQ_CST)
#define rtAtomic64Dec(pa) __atomic_sub_fetch((pa), 1LL, __ATOMIC_SEQ_CST)

#define rtAtomic32FetchAdd(pa, value) __atomic_fetch_add((pa), (value), __ATOMIC_SEQ_CST)
#define rtAtomic64FetchAdd(pa, value) _-atomic_fetch_add((pa), (value), __ATOMIC_SEQ_CST)
#endif

#endif