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Date:      Fri, 3 Mar 2017 23:12:26 +0100
From:      Dirk-Willem van Gulik <dirkx@webweaving.org>
To:        freebsd-hackers@freebsd.org
Subject:   kill -0 <pid> --- side effect or supported
Message-ID:  <23F3BAC3-0D8B-4290-8DC2-818D67A0B6A9@webweaving.org>

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I regularly use  'kill -0 <pid>' on FreeBSD as  a way to test if a =
certain process is still running (but without actually sending the =
signal). And I think it has worked reliably since the mid 80's.

Is it actually a properly supported use - as I recently happened to =
notice that it does not seem to be all that documented in kill(

Dw.





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