Since your process is continuing (not core dumping, apparently), likely a 
different permutation.
If the system call is blocking the signal we are using, we may not be able to 
remedy for you.
If you need to progress this issue, please provide your test case, UniData 
version, platform, os version to your UniData support provider.

Also - readmes are publicly available on the Product Availability Matrix - 
regarding fixed issues.
https://u2tc.rocketsoftware.com/matrix.asp

regards,

Wally Terhune
U2 Support Architect
Rocket Software
4700 S. Syracuse Street, Suite 400 **Denver, CO 80237 **USA
Tel: +1.720.475.8055
Email: wterh...@rs.com
Web: www.rocketsoftware.com/u2


-----Original Message-----
From: u2-users-boun...@listserver.u2ug.org 
[mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Dan McGrath
Sent: Monday, December 07, 2009 9:11 PM
To: U2 Users List
Subject: Re: [U2] PORT.STATUS affecting program

Thanks Wally!

According to our IT policy, we are not actually allowed to divulge any
details on what software versions, etc, we are using. That's why I
simply posted a message asking if anyone knew anything offhand.

Being relatively new to the U2 style of through ISV support, when issues
are detected with previous releases (then fixed), are they only
available through the readme's of later releases or are notifications
passed down through the food chain? Obviously having to wait for and
then scan the readme's of each new release is a slow of tedious method
of finding out about potential issues with your system.

I can see how our signalling issue would fit into this, but "was run at
the moment the target udt process was freeing shared memory" doesn't
make sense when the process is sitting waiting at a blocking call for
pipes? Is this a different issue or was this all fixed as part of that?

Regards,
Dan


-----Original Message-----
From: u2-users-boun...@listserver.u2ug.org
[mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Wally Terhune
Sent: Tuesday, 8 December 2009 10:59 AM
To: U2 Users List
Subject: Re: [U2] PORT.STATUS affecting program

Assuming this is UniData, (though you don't specify db, version or os),
you may be encountering a signal issue that is fixed at 7.2.3. From the
readme:

Issue 11687 - Problem Description

UniData -- When using the PORT.STATUS command with the PID option
to review the CALL.STACK or another udt process, the target udt
process may have abnormally terminated and produced a core file.
This occurred if the PORT.STATUS command was run at the moment
the target udt process was freeing shared memory. This problem
has been fixed.

Wally Terhune
U2 Support Architect
Rocket Software
4700 S. Syracuse Street, Suite 400 **Denver, CO 80237 **USA
Tel: +1.720.475.8055
Email: wterh...@rs.com
Web: www.rocketsoftware.com/u2


-----Original Message-----
From: u2-users-boun...@listserver.u2ug.org
[mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of Dan McGrath
Sent: Monday, December 07, 2009 4:07 PM
To: U2 Users List
Subject: [U2] PORT.STATUS affecting program

Hi all, just wondering if anyone has encountered this before?

 

I was running some tests and discovered that doing a "PORT.STATUS PID
pid CALL.STACK" on a program that is waiting to open a named pipe with
OSOPEN caused it to bomb out.

 

I looked and it didn't have an ON ERROR statement, so I added it and
checked again. Every time I made the PORT.STATUS call, it caused it to
drop into the ON ERROR section.

 

My guess would be to perform the check on the program; it has to
interrupt it, hence causing it to bomb out of any blocking calls. Until
now, I had assumed the PORT.STATUS command would not affect a program,
but now it appears that it can, meaning it could potentially be
dangerous to use in a production environment.

 

Is this documented anywhere?

 

Regards,

Dan

 

 

 


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