LOCK(9)

NAME
lock, simple_lock_init, simple_lock, simple_lock_try, simple_unlock, simple_lock_freecheck, simple_lock_dump, lockinit, lockmgr, lockstatus, lockmgr_printinfo, spinlockinit, spinlockmgr - kernel lock functions

DESCRIPTION
These interfaces have been obsoleted and removed from the system.

Please see the condvar(9), mutex(9), and rwlock(9) manual pages for information on kernel synchronisation primitives.

SEE ALSO
condvar(9), mutex(9), rwlock(9)

HISTORY
The kernel locking API first appeared in 4.4BSD-lite2, and was replaced in NetBSD 5.0.