----- "Avi Kivity" <avi@xxxxxxxxxx> wrote: > On 08/05/2009 05:05 PM, Michael Goldish wrote: > > Thanks, I managed to reproduce it and I'll send a patch to fix it > soon. > > The reason for autotest thinking qemu wasn't alive was that > apparently it > > takes time for /proc/$PID/cmdline to reflect the real command used > to > > start the process, and I wrongly assumed it was instantaneous. > > > > You should use wait() to find out if the process is alive, not tricks > with the PID and process name, which are racy as you found out. I'm not sure I can do that because the process I'm interested in isn't a child of mine. In any case, I'd still need to use the process name to make sure the PID belongs to the original process, because PIDs are reused after a while. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
