mumble-voip/mumble — pull request #1135 by Kissaki (2014-01-19 21:43:20+00:00)
Title: Replace static bCheckHook checks with robust interlocks

* The check-and-set used before was not atomic and thus not really thread-safe.

As pointed out in the D3D PR: https://github.com/mumble-voip/mumble/pull/1082#discussion-diff-8705107