diff options
Diffstat (limited to 'src/include/port/atomics/fallback.h')
| -rw-r--r-- | src/include/port/atomics/fallback.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/include/port/atomics/fallback.h b/src/include/port/atomics/fallback.h index 65d3d8c6582..4e07add0a4f 100644 --- a/src/include/port/atomics/fallback.h +++ b/src/include/port/atomics/fallback.h @@ -102,6 +102,24 @@ typedef struct pg_atomic_uint32 #endif /* PG_HAVE_ATOMIC_U32_SUPPORT */ +#if !defined(PG_HAVE_ATOMIC_U64_SUPPORT) + +#define PG_HAVE_ATOMIC_U64_SIMULATION + +#define PG_HAVE_ATOMIC_U64_SUPPORT +typedef struct pg_atomic_uint64 +{ + /* Check pg_atomic_flag's definition above for an explanation */ +#if defined(__hppa) || defined(__hppa__) /* HP PA-RISC, GCC and HP compilers */ + int sema[4]; +#else + int sema; +#endif + volatile uint64 value; +} pg_atomic_uint64; + +#endif /* PG_HAVE_ATOMIC_U64_SUPPORT */ + #ifdef PG_HAVE_ATOMIC_FLAG_SIMULATION #define PG_HAVE_ATOMIC_INIT_FLAG @@ -144,3 +162,18 @@ extern bool pg_atomic_compare_exchange_u32_impl(volatile pg_atomic_uint32 *ptr, extern uint32 pg_atomic_fetch_add_u32_impl(volatile pg_atomic_uint32 *ptr, int32 add_); #endif /* PG_HAVE_ATOMIC_U32_SIMULATION */ + + +#ifdef PG_HAVE_ATOMIC_U64_SIMULATION + +#define PG_HAVE_ATOMIC_INIT_U64 +extern void pg_atomic_init_u64_impl(volatile pg_atomic_uint64 *ptr, uint64 val_); + +#define PG_HAVE_ATOMIC_COMPARE_EXCHANGE_U64 +extern bool pg_atomic_compare_exchange_u64_impl(volatile pg_atomic_uint64 *ptr, + uint64 *expected, uint64 newval); + +#define PG_HAVE_ATOMIC_FETCH_ADD_U64 +extern uint64 pg_atomic_fetch_add_u64_impl(volatile pg_atomic_uint64 *ptr, int64 add_); + +#endif /* PG_HAVE_ATOMIC_U64_SIMULATION */ |