10.0;ulkob (unlock_object), revision 1.0, 88/01/21
ulkob (unlock_object) - unlock an object.
usage: ulkob [-r|-w|-i|-f] [-l] [-u uid ...] [pathname...] {CL}
DESCRIPTION
ulkob unlocks objects residing on, or locked by processes running on, the
current node. You cannot unlock objects on remote nodes unless you
locked them (see -f below).
You can unlock objects only if:
You're running in-process and try to release a lock that your process
previously obtained, or
The object you want to unlock resides on the current node AND the process
that obtained the lock is executing at another node. For example, if a
lock is stranded because the node that locked the file crashes, you could
crp on to the node where the file lives and break that lock.
ARGUMENTS
pathname (optional)
Specify name of object to be unlocked. Multiple pathnames and
wildcarding are permitted.
Default if omitted: -u option must be specified
NOTE
To obtain a list of your node's locked objects, use the llkob command.
OPTIONS
If no options are specified, the object is unlocked for all lock modes.
-r Unlock an object that was locked for read mode; the lock must
be owned by this process.
-w Unlock an object that was locked for write mode; the lock
must be owned by this process.
-i Unlock an object that was locked for reading with intent to
write; the lock must be owned by this process.
-f Forcibly unlock an object. It may have been locked for any
mode and the lock may be owned by any process. The object
must reside on the current node, however, or must have been
locked by the current node. In other words, you cannot
unlock objects on a remote node unless you locked them.
-l List the name of each object as it is unlocked.
-u uid ... Specify the UID of the object(s) to unlock. Multiple UIDs
are permitted. If the pathname argument is omitted, then
this option is required.
EXAMPLES
Forcibly unlock the file mary for any mode and unlock the two objects
with the specified UIDs.
$ /etc/ulkob mary -f
$ /etc/ulkob -uid 1C1A9E2F.20000246 1C1A9E42.50000246
SEE ALSO
More information is available. Type
help lkob For details about locking objects
help llkob For details about listing those objects that are locked