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| author | Chanho Park <chanho61.park@samsung.com> | 2014-12-11 18:55:56 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-12-11 18:55:56 +0900 |
| commit | 08c1e93fa36a49f49325a07fe91ff92c964c2b6c (patch) | |
| tree | 7a7053ceb8874b28ec4b868d4c49b500008a102e /boost/memory_order.hpp | |
| parent | bb4dd8289b351fae6b55e303f189127a394a1edd (diff) | |
| download | boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.tar.gz boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.tar.bz2 boost-08c1e93fa36a49f49325a07fe91ff92c964c2b6c.zip | |
Imported Upstream version 1.57.0upstream/1.57.0
Diffstat (limited to 'boost/memory_order.hpp')
| -rw-r--r-- | boost/memory_order.hpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/boost/memory_order.hpp b/boost/memory_order.hpp index 4945af623b..fbe9034429 100644 --- a/boost/memory_order.hpp +++ b/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 |