diff options
Diffstat (limited to 'src/include/port/atomics/fallback.h')
| -rw-r--r-- | src/include/port/atomics/fallback.h | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/src/include/port/atomics/fallback.h b/src/include/port/atomics/fallback.h index 2290fff196f..25d09db374f 100644 --- a/src/include/port/atomics/fallback.h +++ b/src/include/port/atomics/fallback.h @@ -80,6 +80,7 @@ typedef struct pg_atomic_flag #else int sema; #endif + volatile bool value; } pg_atomic_flag; #endif /* PG_HAVE_ATOMIC_FLAG_SUPPORT */ @@ -114,17 +115,7 @@ extern bool pg_atomic_test_set_flag_impl(volatile pg_atomic_flag *ptr); extern void pg_atomic_clear_flag_impl(volatile pg_atomic_flag *ptr); #define PG_HAVE_ATOMIC_UNLOCKED_TEST_FLAG -static inline bool -pg_atomic_unlocked_test_flag_impl(volatile pg_atomic_flag *ptr) -{ - /* - * Can't do this efficiently in the semaphore based implementation - we'd - * have to try to acquire the semaphore - so always return true. That's - * correct, because this is only an unlocked test anyway. Do this in the - * header so compilers can optimize the test away. - */ - return true; -} +extern bool pg_atomic_unlocked_test_flag_impl(volatile pg_atomic_flag *ptr); #endif /* PG_HAVE_ATOMIC_FLAG_SIMULATION */ |