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lock-owner

Function
Summary

Returns the current owner of a lock.

Package

mp

Signature

lock-owner lock => owner

Arguments

lock

A lock object

Values

owner

A process

Description

The lock-owner function returns the process that currently owns the lock, or nil .

Example
(let ((lock (mp:make-lock :name "my lock")))
  (mp:lock-owner lock))
=> "my lock"
(let ((lock (mp:make-lock :name "my lock")))
  (mp:with-lock (lock)
    (mp:lock-owner lock)))
=> #<MP:PROCESS Name "Listener 1" Priority 700000 State "Running">
See also

make-lock
with-lock
process-lock
process-unlock
lock-name


LispWorks Reference Manual - 23 Jul 2004

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