On Nov 21, 2012, at 1:55 PM, David Laight wrote: > On Wed, Nov 21, 2012 at 01:36:01PM -0700, Warner Losh wrote: >>>> Is pkill() guaranteed to do an atomic traversal of the process list? >>>> So it will kill something that keeps using fork() to change its pid. >>> >>> I don't think our libkvm offers that. >> >> How could you guarantee this short of moving this into the kernel >> so you could do all the comparisons while keeping all forks from happening? > > You probably can't ... > Even in the kernel it might be 'interesting'.
Agreed. It was a leading question. Even with help from the kernel, it would be difficult.... Warner
