A.P. Lawrence

hung process

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From - Sat Sep 15 07:00:11 2001
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Subject: Re: Users Process still active after logging out References: <9nqncg$2nd$1@uranium.btinternet.com> <3ba17fa5$0$330$8eec23a@newsreader.tycho.net> <3BA142F7.B214F069@att.net>
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From: spcecdt@deeptht.armory.com (John DuBois)
Date: 14 Sep 2001 21:34:17 GMT
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In article <3BA142F7.B214F069@att.net>, Steve Fabac  <smfabac@att.net> wrote:
>I have the same problem with a COBOL application on one of my client's 
>SCO 5.0.5 machines. Always the same user and always running the same
>program.  I have not been able to get the programmer to track down
>any code to "ignore hang-up."

While the app is running, find its process ID and then
(as root) run crash.  From within crash, do:

u #processid

Among other things, that will list the signal disposition.
If signal 1 (HUP) is listed, it is being ignored or trapped
(which means the process is free to respond however it wants,
including ignoring it).  This is one of several ways in which
a process can avoid hangup termination.

Phone and Email Support at Monthly rates

>My question is why system( "kill -15 " $2 ) results in a usage message
>for kill?

kill produces a number of different usage messages.
Which particular one are you referring to?

You might want to look at ftp://ftp.armory.com./pub/admin/nidleout

        John
-- 
John DuBois  spcecdt@armory.com.  KC6QKZ/AE  http://www.armory.com./~spcecdt/

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