diff options
Diffstat (limited to '3rdParty/Boost/src/boost/memory_order.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/memory_order.hpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/3rdParty/Boost/src/boost/memory_order.hpp b/3rdParty/Boost/src/boost/memory_order.hpp index 4945af6..fbe9034 100644 --- a/3rdParty/Boost/src/boost/memory_order.hpp +++ b/3rdParty/Boost/src/boost/memory_order.hpp @@ -37,15 +37,19 @@ namespace boost // // if( mo & ( memory_order_acquire | memory_order_consume ) ) { ...fence... } // +// The values are also in the order of increasing "strength" +// of the fences so that success/failure orders can be checked +// efficiently in compare_exchange methods. +// enum memory_order { memory_order_relaxed = 0, - memory_order_acquire = 1, - memory_order_release = 2, - memory_order_acq_rel = 3, // acquire | release - memory_order_seq_cst = 7, // acq_rel | 4 - memory_order_consume = 8 + memory_order_consume = 1, + memory_order_acquire = 2, + memory_order_release = 4, + memory_order_acq_rel = 6, // acquire | release + memory_order_seq_cst = 14 // acq_rel | 8 }; } // namespace boost |