rmlock(9) on FreeBSD
The text e6bae49d5a09, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE shipped it.
kernel reader/writer lock optimized for read-mostly access patterns
The text e6bae49d5a09, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE shipped it.
kernel reader/writer lock optimized for read-mostly access patterns