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  • Subject: Re: Releasing Locked Objects
  • From: John Hall <jhall@xxxxxxxxxxx>
  • Date: Mon, 14 Sep 1998 09:41:19 -0400
  • Organization: Home Sales Co.

John Carr wrote:
> 
> RE:     Releasing Locked Objects
> 
> >Hi, does anyone know how to release an object that is locked?  For example,
> >I want to copy a file over at night, but if its being updated it will not
> >let me.  Is there some way to wait or take control of the file?  If there is
> >someone way to wait and then take control and then give it back or to just
> >make whomever or whatever release it that would work too.
> >Gary Lehman
> 
> Why are you getting a an error on the CPYF ?  It doesn't seem like you
> should get one since the CPYF's Open is for Read Only. If you have a file
> that you can't get a shared-lock on to do a CPYF, it would seem that you
> have worse problems than not being able to do a CPYF.   Is someone else
> doing an Exclusive ALCOBJ ?  If so they better have an extremely good reason
> AND a note from their mother, or else "Hang Them".
> 
> I would use the ALCOBJ as the VERY, VERY, LAST resort.  You have no idea
> what you are about to do to the whole application base.  Lets say you do
> grab the object lock with the allocate,  and for some reason your CPYF
> has an error and the message sits on the system console over night.
> If you have any other process that uses that file,  YOU just broke them.
> They'll go down with a CPF message as sure as (Fill in your favorite cliche).
> And I'll guarantee that the rest of your application base is NOT monitoring
> for exclusively locked objects in every program.  (Maybe the programs that
> will blow up will be something un-important like "Daily Cash Posting" or the
>  "End of Day" routine.)
> 
> So before you do something as drastic and as close to as dropping a "depth
> charge" into your apps,  find out the reason you CAN'T do the CPYF with it
> being just an "Open for Read Only"  situation.
> 
> Of course those are just my opinions and are limited by my 18 years of
> experience, and are probably wrong.
> 
> John (my opinions are worth what you paid for them) Carr
> EdgeTech

if you do not use the FROMRCD parm on cpyf it tries to allocate the
whole file/member if you use FROMRCD(1) you can copy the file while
others are using it 

John Hall
Home Sales Co.
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