diff options
Diffstat (limited to 'src/include/port/atomics/generic.h')
| -rw-r--r-- | src/include/port/atomics/generic.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/include/port/atomics/generic.h b/src/include/port/atomics/generic.h index c3b5f6d9a42..6113ab62a31 100644 --- a/src/include/port/atomics/generic.h +++ b/src/include/port/atomics/generic.h @@ -243,6 +243,24 @@ pg_atomic_sub_fetch_u32_impl(volatile pg_atomic_uint32 *ptr, int32 sub_) } #endif +#if !defined(PG_HAVE_ATOMIC_READ_MEMBARRIER_U32) && defined(PG_HAVE_ATOMIC_FETCH_ADD_U32) +#define PG_HAVE_ATOMIC_READ_MEMBARRIER_U32 +static inline uint32 +pg_atomic_read_membarrier_u32_impl(volatile pg_atomic_uint32 *ptr) +{ + return pg_atomic_fetch_add_u32_impl(ptr, 0); +} +#endif + +#if !defined(PG_HAVE_ATOMIC_WRITE_MEMBARRIER_U32) && defined(PG_HAVE_ATOMIC_EXCHANGE_U32) +#define PG_HAVE_ATOMIC_WRITE_MEMBARRIER_U32 +static inline void +pg_atomic_write_membarrier_u32_impl(volatile pg_atomic_uint32 *ptr, uint32 val) +{ + (void) pg_atomic_exchange_u32_impl(ptr, val); +} +#endif + #if !defined(PG_HAVE_ATOMIC_EXCHANGE_U64) && defined(PG_HAVE_ATOMIC_COMPARE_EXCHANGE_U64) #define PG_HAVE_ATOMIC_EXCHANGE_U64 static inline uint64 @@ -399,3 +417,21 @@ pg_atomic_sub_fetch_u64_impl(volatile pg_atomic_uint64 *ptr, int64 sub_) return pg_atomic_fetch_sub_u64_impl(ptr, sub_) - sub_; } #endif + +#if !defined(PG_HAVE_ATOMIC_READ_MEMBARRIER_U64) && defined(PG_HAVE_ATOMIC_FETCH_ADD_U64) +#define PG_HAVE_ATOMIC_READ_MEMBARRIER_U64 +static inline uint64 +pg_atomic_read_membarrier_u64_impl(volatile pg_atomic_uint64 *ptr) +{ + return pg_atomic_fetch_add_u64_impl(ptr, 0); +} +#endif + +#if !defined(PG_HAVE_ATOMIC_WRITE_MEMBARRIER_U64) && defined(PG_HAVE_ATOMIC_EXCHANGE_U64) +#define PG_HAVE_ATOMIC_WRITE_MEMBARRIER_U64 +static inline void +pg_atomic_write_membarrier_u64_impl(volatile pg_atomic_uint64 *ptr, uint64 val) +{ + (void) pg_atomic_exchange_u64_impl(ptr, val); +} +#endif |