Messages in this thread | | | Date | Wed, 23 Aug 2006 12:55:12 +0300 | From | Avi Kivity <> | Subject | Re: [RFC][PATCH] ps command race fix take2 [1/4] list token |
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ebiederm@xmission.com wrote: > > I almost removed the tasklist_lock from all read paths. But as it > happens sending a signal to a process group is an atomic operation > with respect to fork so that path has to take the lock, or else > we get places where "kill -9 -pgrp" fails to kill every process in > the process group. Which is even worse. >
Can't that be fixed by adding a per-pgrp lock, and having both fork()/clone() and kill(-pgrp) take that lock?
-- error compiling committee.c: too many arguments to function
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