From: "Rick R." <os2-wireless_users@2rosenthals.com>
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Message-ID: <20060814091338.78527.qmail@web60612.mail.yahoo.com>
Date: Mon, 14 Aug 2006 02:13:38 -0700 (PDT)
Subject: Re: [OS2Wireless]Re: Changed -> SOCKET.SYS crash - REXX Issues
To: OS/2 Wireless Users Mailing List <os2-wireless_users@2rosenthals.com>
In-Reply-To: <list-287837@2rosenthals.com>
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Mmmh, all of my true Rexx background scripts are run
via Cron.

But I got some compiled Rexx programs who are launched
via "detach" and have params to become active every
5-10 seconds for a few checks.

So is that problem also relevant with compiled Rexx
programs?

And could it cause a SOCKET.SYS crash?!


--- Will Honea <os2-wireless_users@2rosenthals.com>
wrote:

> ** Reply to message from "Rick R."
> <os2-wireless_users@2rosenthals.com> on Sun,
> 13 Aug 2006 19:40:43 -0700 (PDT)
> 
> 
> > ** Reply to message from "Will Honea"
> >    
> >   >In case it got overlooked, if there is any
> substantial REXX activity you can
> > easily get the SOCKET.SYS message - REXX has a bad
> habit of not closing sockets
> > until the top level program is closed.
> >    
> >   Aha, THANKS FOR THAT INFO (first piece of good
> info about this one).
> > I didn't know that. I do have several REXX
> monitoring programs running in the
> > background, to check for system intrusions.
> monitor file changes and online
> > encryption.
> > I also use REXX cron and HW monitoring tools.
> > All those REXX scripts are very short, but they do
> run repeatedly. So do you
> > have any details about this REXX & TCP/IP socket
> issue?
> >   Very eagerly awaiting any details you got!
> 
> I'm woefully short on details, but the gist of the
> problem is that child (REXX)
> programs don't release sockets they open so that if
> one script calls a second
> strip etc. etc. non of the sockets used by the
> children are released until the
> parent closes.  I can't tell you if this is common
> to both classic and object
> REXX or just to one of them, but it might be a place
> to start.  Bob Eager
> (rde@tavi.co.uk) cna probably give you all the
> details.  The only time I saw it
> was when I had a script that was tracking events and
> running all the time.  It
> called sub-programs and would eventually crash. 
> Wound up having to kill it
> with a cron job then restart it every hour or so
> until I finally re-wrote the
> monitor and children in C.  It seems that exiting
> the parent cleans up very
> nicely, but not the sub-programs.
> 
> -- 
> Will Honea <whonea@whonea.net>
> 
> 
>
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