Re: CAUTION!!!! Re: SOLARIS 7 start/stop script for PilotManager v1.107

[Jim Koelkebeck <Jim.Koelkebeck@East>]

Alan Harder wrote:
> 
> > Is there some technical reason why the daemon cannot check for itself (lock
> > file) when running and avoid such a (forgive me) kludge?
> 
> I made a minimal effort at trying to detect if the serial port already had
> a daemon listening on it, but pilot-link didn't provide any useful error
> messages..



> A lock file could work, but then of course you have stale lock problems......

If you mean that the process that wrote the lock file died, put the PID of the
owner of the lock file in the file.  Check for the existence of the lock file
and
the existence of the process with the PID found in the lock file.  It just seems
brutal to zap a perfectly good daemon...

Jim

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