UNLOCK Verb - Unlock File
Syntax
UNLOCK (channelno{,ERR=lineref})
Description
The UNLOCK verb unlocks a file previously locked with a LOCK
statement. The file is then available for use by other processes. If the
file was not previously locked with a LOCK verb, PRO/5 issues an error.
Files implicitly LOCKed by using of the ISZ= option on OPEN must be CLOSEd
to be UNLOCKed.
Examples
1000 UNLOCK(1,ERR=9500)