Doug:
After reading the documentation for LOCK...
"Resources are not automatically unlocked by the termination of the
locking program. The UniBasic UNLOCK or ECL QUIT commands must release
them. Otherwise, you can release resources by executing the ECL
CLEAR.LOCKS command at UniData level."
...the resource lock will still be set if the service program crashes.
Hmmmm. I'll have to think about this some more. :-(
Bill
------------------------------------------------------------------------
Bill Haskett said the following on 4/2/2010 10:10 AM:
Doug:
That is an idea. I was hoping I could be more direct, but this should
work.
Thanks,
Bill
------------------------------------------------------------------------
Doug said the following on 4/2/2010 8:56 AM:
Bill:
Use the LOCK command with number 0 through 63. Have your phantom
process do
a "LOCK 60". Then you can test it in other programs using the else
clause:
LOCK 60 THEN
UNLOCK 60
* Restart phantom
END ELSE
* Phantom is running do nothing
END
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Bill Haskett
Sent: Friday, April 02, 2010 9:25 AM
To: U2 Mail List
Subject: [U2] UD: Phantoms
In UniData, does anyone know of a sure way to determine if a BASIC
program is running as a phantom?
We have a background service program in our application that has to
be running as a phantom whenever UniData starts. The ability to
start something when the dbms starts doesn't exist in UniData, so I
have to schedule the task when Windows starts. However, if the
program stops (or UD was stopped and restarted) I have no sure way
to know if it's running.
Does UD have any way to know this?
Thanks,
Bill Haskett
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