[CVS] pidfile support

[Rob Siemborski]

On Tue, 17 Dec 2002, Henrique de Moraes Holschuh wrote:

> Kludgy it is :P   but using kill to detect the presence of a process is
> actually reasonably portable AFAIK, and safe :-)

Well, yeah, it looked ugly enough to be portable. ;)

> > I think this works no matter how the things are interleaved after forking.
>
> I like it.  It also allows us to keep [A] around for a little while if we
> wish to do so, to detect startup errors of other sorts...

Okay, I've committed this.  Take a look and let me know what you think.

-Rob

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Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper