X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=doc%2Fuatomic-api.md;h=9dd0c1c18ee5d1bd2e5c80f95b9b66edc3cf800e;hp=84b97166cef4c2ec81cdf61734eb6f2d1d5fe6b1;hb=HEAD;hpb=d001c88633f6a58e94eb73f4814976d13f61bd77

diff --git a/doc/uatomic-api.md b/doc/uatomic-api.md
index 84b9716..6421708 100644
--- a/doc/uatomic-api.md
+++ b/doc/uatomic-api.md
@@ -58,7 +58,8 @@ An atomic read-modify-write operation that performs this
 sequence of operations atomically: check if `addr` contains `old`.
 If true, then replace the content of `addr` by `new`. Return the
 value previously contained by `addr`. This function implies a full
-memory barrier before and after the atomic operation.
+memory barrier before and after the atomic operation on success.
+On failure, no memory order is guaranteed.
 
 
 ```c