diff options
Diffstat (limited to 'cpukit/score/include/rtems/score/cpustdatomic.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/cpustdatomic.h | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/cpukit/score/include/rtems/score/cpustdatomic.h b/cpukit/score/include/rtems/score/cpustdatomic.h index 222ad78852..a663a06293 100644 --- a/cpukit/score/include/rtems/score/cpustdatomic.h +++ b/cpukit/score/include/rtems/score/cpustdatomic.h @@ -54,23 +54,13 @@ typedef atomic_uintptr_t Atomic_Pointer; typedef atomic_flag Atomic_Flag; /** - * @brief the enumeration Atomic_Memory_barrier specifies the detailed regular - * memory synchronization operations used in the atomic operation API - * definitions. + * @brief Memory order according to ISO/IEC 9899:2011. */ typedef enum { - /** no operation orders memory. */ ATOMIC_ORDER_RELAXED = memory_order_relaxed, - /** a load operation performs an acquire operation on the affected memory - * location. This flag guarantees that the effects of load operation are - * completed before the effects of any later data accesses. - */ ATOMIC_ORDER_ACQUIRE = memory_order_acquire, - /** a store operation performs a release operation on the affected memory - * location. This flag guarantee that all effects of all previous data - * accesses are completed before the store operation takes place. - */ - ATOMIC_ORDER_RELEASE = memory_order_release + ATOMIC_ORDER_RELEASE = memory_order_release, + ATOMIC_ORDER_SEQ_CST = memory_order_seq_cst } Atomic_Order; |