On 08/16, Oleg Nesterov wrote: > > On 08/15, Eric W. Biederman wrote: > > > > File handles can be requested to send sigio and sigurg > > to processes. By tracking the destination processes > > using struct pid instead of pid_t we make the interface > > safe from all potential pid wrap around problems. > > .... > > The second change is good (I'd say this is bugfix). It is > not possible anymore to send the signal to not yet created > processes via fcntl(F_SETOWN, last_pid + a_little), or hit > a problem with pid re-use. Damn, I read the patch but forgot to read the changelog :) It clearly says "safe from all potential pid wrap around problems", sorry. Oleg.
