Messages in this thread |  | | | Date | Tue, 16 Jul 2002 19:42:06 +0200 | | From | Kasper Dupont <> | | Subject | Re: if_exist_pid() |
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"Richard B. Johnson" wrote: > > Anybody know the 'correct' way of determining if a pid still > exists? I've been using "kill(pid, 0)" and, if it does not > return an error, it is supposed to exist.
That is correct.
> Sending signal 0 to a pid sometimes returns 0, even if the pid > is long-gone
Really? That would mean there is a bug in kill(). Of course you can get return value 0 if the pid has been recycled, but otherwise it should not happen.
-- Kasper Dupont -- der bruger for meget tid på usenet. For sending spam use mailto:razrep@daimi.au.dk or mailto:mcxumhvenwblvtl@skrammel.yaboo.dk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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