Re: [RFC][PATCH] ps command race fix take2 [1/4] list token

From: Avi Kivity
Date: Wed Aug 23 2006 - 05:52:37 EST

ebiederm@xxxxxxxxxxxx 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

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at