Wouter Oosterveld

(Current problem) nothing to do with the locale. Please see #509.

You could implement interprocess mutexes using umtx. (Golang is doing this). Background: - http://freebsd.1045724.n5.nabble.com/What-is-the-status-of-thread-process-shared-synchronization-td4224458.html - https://lists.freebsd.org/pipermail/freebsd-hackers/2015-June/047835.html