January 30, 2008 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 NetBSD5.0.