Re: Allocating a display file

Hi Joe,

I think it can be done and I've been meaning to write a utility but never
got around to it.
I believe you can use MI locks to lock any type of object.

Here is an article titled "The ABCs of MI Locks" written by Junlei Li on
June 6, 2012:
https://www.mcpressonline.com/programming/rpg/the-abcs-of-mi-locks

I found some other pages of interest:
http://i5toolkit.sourceforge.net/rpg/page_obj_lck.html
https://svn.code.sf.net/p/i5toolkit/code/art/lock01.rpgle
https://svn.code.sf.net/p/i5toolkit/code/art/lock02.rpgle

Good luck.


Yours truly,

Glenn Gundermann
Email: glenn.gundermann@xxxxxxxxx
Work: (905) 486-1162 x 239
Cell: (416) 317-3144


On 2 April 2018 at 11:53, Joe Pluta <joepluta@xxxxxxxxxxxxxxxxx> wrote:

I'm sure this is nothing new, and probably goes back to the S/38 days, but
it's new to me, so...

I just tried to allocate a display file. I wanted to make sure nobody had
it before I change the display file and its underlying program. Lo and
behold I get a CPF0894 error which basically says I can't allocate a
display file. It certainly seems this limitation has been around for a
very long time, but I've never run into it before.

I'm just wondering if anybody else has ever felt a need to exclusively
lock a display file and if so, how they got around this particular error.

Thanks!

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