From owner-freebsd-questions  Mon Feb 21 12:22: 2 2000
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Date: Mon, 21 Feb 2000 12:50:51 -0800
From: Alfred Perlstein <bright@wintelcom.net>
To: Marc Wandschneider <marcw@lanfear.com>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: STATE="piperd"
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References: <000001bf7ca7$ca98fdf0$0300000a@katana>
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* Marc Wandschneider <marcw@lanfear.com> [000221 12:45] wrote:
> 
> 
> moo!
> 
> 	i'm running ApplixWare on my FreeBSD 3.3 machine, and when I run the core
> "applix" program, 'top' always reports its state as "piperd".
> 
> 	I've been rummaging through source, but can't seem to find out what this
> means ... What's up with the process?  Everything else about it seems pretty
> normal ...

Um, does applix work?  Or is it hanging?

process states like 'piperd' are setup when the process is sleeping,
waiting for something to happen, see sys/kern/sys_pipe.c line 433:

/usr/src/sys % grep -n piperd */* 
kern/sys_pipe.c:433:                            if ((error = tsleep(rpipe, PRIBIO|PCATCH, "piperd", 0)) == 0)

-Alfred


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