other resources include:
LIST.QUEUE and related GETQUEUE() UniBasic function - both show users
queued up for a lock (those users would not be using the LOCKED clause).
LIST.READU (noted) and GETREADU() function.
Don't forget the DETAIL keyword on LIST.READU and LIST.QUEUE to show full
data - not truncated to fit in 80 column display.
Wally Terhune
Manager - U2 Advanced Technical Services
IBM Information Management Solutions
Tel: 303.294.4866 Fax: 303.294.4832
[EMAIL PROTECTED]
www.ibm.com/software/data/u2/support - Open, Query, Update, Search -
Online!
"Mike Randall"
<[EMAIL PROTECTED]
cast.net> To
Sent by: <[email protected]>
[EMAIL PROTECTED] cc
stserver.u2ug.org
Subject
RE: [U2] Locks, releases and
04/14/2005 09:47 STATU() (oh my)
AM
Please respond to
u2-users
Think LIST.READU is what you are looking for. LIST.LOCKS only displays
the
64 semaphore locks which I don't think are too common anymore.
Trick with LIST.READU was equating the file number to the proper data file
if you were doing it programmatically.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Susan Joslyn
Sent: Thursday, April 14, 2005 10:33 AM
To: [email protected]
Subject: [U2] Locks, releases and STATU() (oh my)
Hello wizards,
I've read what I can find on the subject, but I'm not finding what I need.
As usual, anyone who knows where the info is, I would not be the least bit
offended if you just point. Or if you know off-hand ...
(Presently grappling with Unidata):
When I hit a lock with a:
READU this FROM that,ID LOCKED locked clause ELSE whatever
LIST.LOCKS from TCL has always been worse than useless for me. For example
at this exact moment I'm holding locks on 3 sessions, yet if I run
LIST.LOCKS on a 4th session it displays ABSOLUTELY NOTHING.
I don't see much on offer in the LOCKED clause, although the online help
suggests that STATUS() will return the user number of the lock it ran into.
Can't understand its output... I have a very short program that displays
STATUS(), opens the file and displays STATUS() then does a READU against an
item I purposefully have locked on another session and I display STATUS()
a
third time. What do you suppose its giving me, and what can I do with it?
1 STATUS = 0 <-- beginning of program
2 STATUS = 1 <-- after the open
3 STATUS = 197613 <-- this is what it gives me after the READU against a
locked item
What I want to do is determine who/what has the lock, tell the user, I also
want to be able to carry on under my own conditions when ud 46 flag is set
which will by default allow edits to items I've locked against my own
session. Which is too loose -- I want to check to make sure I'm in the
exact right condition to do that and I'm not sure how I can (by seeing what
is holding the lock) but ... does anyone know how to get ANY information
out
of a lock?
Susan
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