:art: Add mutex cond macros

diff --git a/util b/util
index 9d6f0f8c1f66cbab8f91cf652c4a1794f60c55ce..3ccd75e0c2ae9c96d27f18434611658bb926f913 160000 (submodule)
--- a/util
+++ b/util
@@ -1 +1 @@
-Subproject commit 9d6f0f8c1f66cbab8f91cf652c4a1794f60c55ce
+Subproject commit 3ccd75e0c2ae9c96d27f18434611658bb926f913