Date: Wed, 25 Aug 2004 14:49:07 +0100 From: "Richard P. Williamson" <richard.williamson@u4eatech.com> To: freebsd-questions@freebsd.org Subject: Re: using ttys to restart a process Message-ID: <6.1.2.0.2.20040825144401.026fee78@cygnus> In-Reply-To: <6.1.2.0.2.20040817153240.027486b8@cygnus> References: <6.1.2.0.2.20040817153240.027486b8@cygnus>
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Hello,
According to ttys(5) and init(8), init will restart a process if it
is found in ttys.
Accordingly, I've added these two lines to my ttys file:
ttyv0 "/bin/stp-server" unknown on
ttyv1 "/manager/listener 4553" unknown on
The first line appears to result in what I'm looking for, ie
the stp-server runs, and if I kill it, the init process restarts
it.
The second line, however, gives me this message:
Aug 25 14:33:38 FFProRDP init: getty repeating too quickly on \
port /dev/ttyv1, sleeping 30 secs
What I'm looking for is an idea how to debug why the listener
app is choking. /var/log/messages just repeats the 'init: getty'
line.
TIA,
rip
At 15:41 17/08/2004. Richard P. Williamson had this to say:
>Hello,
>
>4.10-RELEASE
>
>According to ttys(5) and init(8), init will restart a process if it
>is found in ttys. I can not find, however, an example syntax for
>doing just that.
>
>Say I have a process called /usr/bin/sleeploop
>
># is this how it works?
>sleeper "/usr/bin/sleeploop -q 3000" none on insecure
>
>? Then, if I killall -s HUP sleeploop, it should 'magically reappear,
>as if by magic', right?
>
>Loath to have a go on this on the running system, on the off chance
>that I end up by breaking the boot sequence.
>
>TIA,
>rip
>
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