Messages in this thread | | | Date | Wed, 16 Aug 2006 22:48:51 +0400 | From | Oleg Nesterov <> | Subject | Re: [PATCH 7/7] file: Modify struct fown_struct to use a struct pid. |
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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.
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