diff options
Diffstat (limited to 'src/backend/port/atomics.c')
-rw-r--r-- | src/backend/port/atomics.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/src/backend/port/atomics.c b/src/backend/port/atomics.c index 93789b4e058..cd7ede96726 100644 --- a/src/backend/port/atomics.c +++ b/src/backend/port/atomics.c @@ -57,17 +57,7 @@ pg_atomic_init_flag_impl(volatile pg_atomic_flag *ptr) StaticAssertDecl(sizeof(ptr->sema) >= sizeof(slock_t), "size mismatch of atomic_flag vs slock_t"); -#ifndef HAVE_SPINLOCKS - - /* - * NB: If we're using semaphore based TAS emulation, be careful to use a - * separate set of semaphores. Otherwise we'd get in trouble if an atomic - * var would be manipulated while spinlock is held. - */ - s_init_lock_sema((slock_t *) &ptr->sema, true); -#else SpinLockInit((slock_t *) &ptr->sema); -#endif ptr->value = false; } @@ -108,15 +98,7 @@ pg_atomic_init_u32_impl(volatile pg_atomic_uint32 *ptr, uint32 val_) StaticAssertDecl(sizeof(ptr->sema) >= sizeof(slock_t), "size mismatch of atomic_uint32 vs slock_t"); - /* - * If we're using semaphore based atomic flags, be careful about nested - * usage of atomics while a spinlock is held. - */ -#ifndef HAVE_SPINLOCKS - s_init_lock_sema((slock_t *) &ptr->sema, true); -#else SpinLockInit((slock_t *) &ptr->sema); -#endif ptr->value = val_; } @@ -184,15 +166,7 @@ pg_atomic_init_u64_impl(volatile pg_atomic_uint64 *ptr, uint64 val_) StaticAssertDecl(sizeof(ptr->sema) >= sizeof(slock_t), "size mismatch of atomic_uint64 vs slock_t"); - /* - * If we're using semaphore based atomic flags, be careful about nested - * usage of atomics while a spinlock is held. - */ -#ifndef HAVE_SPINLOCKS - s_init_lock_sema((slock_t *) &ptr->sema, true); -#else SpinLockInit((slock_t *) &ptr->sema); -#endif ptr->value = val_; } |