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20040301: LDM Shutdown Bug: rtstats(1) & SIGCHLD

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  • Subject: 20040301: LDM Shutdown Bug: rtstats(1) & SIGCHLD
  • Date: Mon, 01 Mar 2004 16:35:55 -0700
Patrick,

> To: Unidata Support <address@hidden>
> From: "Patrick O'Reilly" <address@hidden>
> Subject: LDM Shutdown Bug
> Organization: UNI
> Keywords: 200402272158.i1RLwSrV028660 LDM

The above message contained the following:

> I noticed a bug in shutting down my system running the latest LDM version,
> it involves RTSTATS and I haven't seen mention of it anywhere else.  It's
> fairly benign as my RedHat 9 system works around it, but I thought I'd pass
> it along.  Maybe it's a matter of my config here, I don't know.
> 
> The error:
> 
> ...............
> Sending all processes the TERM signal...
> application bug: rtstats (5818) has SIGCHLD set to SIG_IGN but calls wait().
> (See the NOTES of `man 2 wait`). Workaround activated.
> ...............

I must admit I don't understand this "error".  The rtstats(1) program
doesn't spawn any child processes and doesn't call wait(2).

> Maybe I can fix it?  It doesn't seem to cause any problems.  Thanks!

I wouldn't do anything.

> Patrick
> _________________________________________
> Patrick O'Reilly
> Meteorological Decision Support Scientist
> The STORM Project at UNI
> address@hidden    319-273-3789
> http://www.uni.edu/storm
> 
> "No trees were killed in the making of this e-mail...however,
>  a large number of electrons were horribly inconvenienced."

Regards,
Steve Emmerson
LDM Developer