On Sun, 2007-06-17 at 16:49 -0700, Davide Libenzi wrote:
> On Sun, 17 Jun 2007, Nicholas Miell wrote:
>
> > On Sun, 2007-06-17 at 10:01 -0700, Davide Libenzi wrote:
> > > On Sun, 17 Jun 2007, Nicholas Miell wrote:
> > >
> > > > On Sat, 2007-06-16 at 20:33 -0700, Linus Torvalds wrote:
> > > > > In a stunning turn of events, I've actually been able to make another -rc
> > > > > release despite all the discussion (*cough*flaming*cough*) about other
> > > > > issues, and we now have a brand-spanking-new Linux 2.6.22-rc5 release
> > > > > out there!
> > > > >
> > > >
> > > > signalfd still has the broken behavior w.r.t. signal delivery to
> > > > threads.
> > > >
> > > > Is this going to get fixed before 2.6.22 proper is released, or should
> > > > it just be disabled entirely so no userspace apps grow to depend on
> > > > current wrong behavior?
> > >
> > > At the moment, with Ben's patch applied, signalfd can see all group-sent
> > > signals, and locally-directed thread signals.
> >
> > But there's still no way for multiple threads to read from a single
> > signalfd and get their own thread-specific signals in addition to
> > process-wide signals, right? I think this was agreed to be the least
> > surprising behavior.
>
> Multiple threads can wait on the signalfd. Each one will dequeue either
> its own private signals (tsk->pending) or the process shared ones
> (tsk->signal->shared_pending). This will be the behaviour once Ben's patch
> is applied.
>
Ah, ok, that's great.
I didn't see anything like that in linux.git, missed Ben's patch to the
list, and mixed up your description with the original TIF_SIGPENDING
work.
Sorry for the confusion.
--
Nicholas Miell <[email protected]>
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