Date: Mon, 10 Nov 2003 23:00:30 +0100 (CET) From: Lukas Ertl <l.ertl@univie.ac.at> To: Don Lewis <truckman@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: named pipes memory leak? Message-ID: <20031110225950.Y1203@korben.in.tern> In-Reply-To: <200311101957.hAAJvQeF067350@gw.catspoiler.org> References: <200311101957.hAAJvQeF067350@gw.catspoiler.org>
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On Mon, 10 Nov 2003, Don Lewis wrote:
> On 10 Nov, Lukas Ertl wrote:
> >
> > The following shell script freezes a machine in several minutes and needs
> > a power cycle. You can see the increasing memory in vmstat -z (unpcb) and
> > netstat -u. The kernel is FreeBSD 5.1-CURRENT Tue Nov 4 14:08:23 CET 2003.
> >
> > ---8<---
> > #/bin/sh
> >
> > FIFO=/tmp/foo
> >
> > for i in `jot 50000 1`; do
> > mkfifo ${FIFO}
> > echo blubb > ${FIFO} &
> > kill $!
> > rm ${FIFO}
> > done
> > ---8<---
>
> If fifo_open() is interrupted, fifo_close() never gets called, and the
> resources are not recovered. I wish doing the resource recovery in
> fifo_inactive() would have worked ...
>
> Try this patch:
Thanks, your patch seems so solve this problem effectively.
regards,
le
--
Lukas Ertl eMail: l.ertl@univie.ac.at
UNIX Systemadministrator Tel.: (+43 1) 4277-14073
Vienna University Computer Center Fax.: (+43 1) 4277-9140
University of Vienna http://mailbox.univie.ac.at/~le/
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