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From: Melvyn Sopacua <freebsd-questions@webteckies.org>
Organization: WebTeckies.org
To: Matthew Seaman <m.seaman@infracaninophile.co.uk>,
	Canggung Mendonan <mendonan@absolute-p.ath.cx>,
	"freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Date: Sat, 17 Apr 2004 18:31:24 +0200
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	<20040417160012.GA75477@happy-idiot-talk.infracaninophile.co.uk>
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Subject: Re: ipmon fills up partition
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On Saturday 17 April 2004 18:00, Matthew Seaman wrote:

> > Adding /var/run/ipmon.pid at the end of newsyslog.conf line above stops
> > the above symptom, but ipmon stopped logging after each rotation.
>
> This should be the correct thing to do: ipmon should interpret a HUP
> signal to mean 'reopen log files' -- unless it's changed dramatically
> between 4.x and 5.x[*], in which case you'll have to hunt down what
> should be done instead by reading the documentation or the code or
> something.

It does:
ipmon.c:1452
                       if (donehup) {
                                donehup =3D 0;
                                if (newlog) {
                                        fclose(log);
                                        log =3D newlog;
                                        newlog =3D NULL;
                                }
                        }


And:
static void handlehup(sig)
int sig;
{
        FILE    *fp;

        signal(SIGHUP, handlehup);
        if (logfile && (fp =3D fopen(logfile, "a")))
                newlog =3D fp;
        init_tabs();
        donehup =3D 1;
}

The only codepath I can see, that could cause this behavior, would be if th=
e=20
fopen fails, because newsyslog is holding a lock on the file at the time it=
=20
signals ipmon.

=2D-=20
Melvyn

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D
=46reeBSD sarevok.webteckies.org 5.2-CURRENT FreeBSD 5.2-CURRENT #3: Sun Ap=
r  4=20
02:24:06 CEST 2004    =20
root@sarevok.webteckies.org:/usr/obj/usr/src/sys/SAREVOK_NOAPM_NODEBUG  i386
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D

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