22 #ifndef INSIDE_ATOMICS_H
23 #error "should be included via atomics.h"
26 #pragma intrinsic(_ReadWriteBarrier)
27 #define pg_compiler_barrier_impl() _ReadWriteBarrier()
29 #ifndef pg_memory_barrier_impl
30 #define pg_memory_barrier_impl() MemoryBarrier()
33 #if defined(HAVE_ATOMICS)
35 #define PG_HAVE_ATOMIC_U32_SUPPORT
41 #define PG_HAVE_ATOMIC_U64_SUPPORT
44 volatile uint64
value;
48 #define PG_HAVE_ATOMIC_COMPARE_EXCHANGE_U32
55 current = InterlockedCompareExchange(&ptr->
value,
newval, *expected);
56 ret = current == *expected;
61 #define PG_HAVE_ATOMIC_FETCH_ADD_U32
65 return InterlockedExchangeAdd(&ptr->
value, add_);
74 #pragma intrinsic(_InterlockedCompareExchange64)
76 #define PG_HAVE_ATOMIC_COMPARE_EXCHANGE_U64
79 uint64 *expected, uint64
newval)
83 current = _InterlockedCompareExchange64(&ptr->
value,
newval, *expected);
84 ret = current == *expected;
91 #pragma intrinsic(_InterlockedExchangeAdd64)
93 #define PG_HAVE_ATOMIC_FETCH_ADD_U64
97 return _InterlockedExchangeAdd64(&ptr->
value, add_);
struct pg_atomic_uint32 pg_atomic_uint32
bool pg_atomic_compare_exchange_u32_impl(volatile pg_atomic_uint32 *ptr, uint32 *expected, uint32 newval)
uint64 pg_atomic_fetch_add_u64_impl(volatile pg_atomic_uint64 *ptr, int64 add_)
uint32 pg_atomic_fetch_add_u32_impl(volatile pg_atomic_uint32 *ptr, int32 add_)
bool pg_atomic_compare_exchange_u64_impl(volatile pg_atomic_uint64 *ptr, uint64 *expected, uint64 newval)
struct pg_atomic_uint64 pg_atomic_uint64