pthread_mutex_consistent(3) on FreeBSD
The text f9deac9f7480, as FreeBSD 14.2-RELEASE, FreeBSD 14.1-RELEASE, FreeBSD 14.0-RELEASE, FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
mark state protected by robust mutex as consistent