cvs commit: src/usr.bin/pkill pkill.c
Pawel Jakub Dawidek
pjd at FreeBSD.org
Wed Nov 16 14:12:50 GMT 2005
On Wed, Nov 16, 2005 at 03:41:43PM +0300, Andrey Chernov wrote:
+> On Wed, Nov 16, 2005 at 12:59:00PM +0100, Pawel Jakub Dawidek wrote:
+> > Let's say you call 'pkill sleep'. First it creates list of the matching
+> > processes and when the list is done, it starts killing processes from
+> > the list. When there is a race, so that process was inserted into the
+> > list, but disappeared before killing, pkill(1) will quit with an error.
+> > Which is bogus: there were 8 sleep processes, the 5th one disappeared,
+> > so first 4 was killed, last 3 are still alive and pkill(1) returned an
+> > error.
+> Well, my initial statement will be modified slightly.
+> 1) For SIGKILL, pkill should ignore disappeared precesses, as NetBSD does.
+> 2) For any other signal, it should issue _warning_ and not error & stop.
I can't agree here. You know, that running the same pkill command a bit
later (few miliseconds?) will not give you the warning?
Pawel Jakub Dawidek http://www.wheel.pl
pjd at FreeBSD.org http://www.FreeBSD.org
FreeBSD committer Am I Evil? Yes, I Am!
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