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From: Charlie Brady <charlieb-supervision@budge.apana.org.au>
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Subject: Re: pid of controlled service (was Re: runit-1.2.0 available)
Date: Fri, 21 Jan 2005 16:01:54 -0500 (EST)
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On Fri, 21 Jan 2005, Gerrit Pape wrote:

> > I think it could be more useful if runsv would set an environment variable 
> > so that the external programs don't need to parse anything if they wish to 
> > send signals to, or otherwise query the status of, the controlled program.
> 
> I'm not sure that's a good idea.  The pid may change while the external
> program is running, better let the runsv program send the signals to the
> service.

I don't know how that would be possible if you wanted a custom handler to 
do something special and then pass the signal on to the daemon. The custom 
handler would have no way of asking the runsv process to deliver the signal,
correct?

> And if the program really needs the pid, it can get it from
> ./supervise/pid.

Ah, yes, I forgot that.