On Mon, Nov 27, 2006 at 10:23:39AM -0800, Ulrich Drepper ([email protected]) wrote:
> Evgeniy Polyakov wrote:
> >
> >With provided patch it is possible to wakeup 'for-free' - just call
> >kevent_ctl(ready) with zero number of ready events, so thread will be
> >awakened if it was in poll(kevent_fd), kevent_wait() or
> >kevent_get_events().
>
> Yes, I realize that. But I wrote something else:
>
> >> Rather than mark an existing entry as ready, how about a call to
> >> inject a new ready event?
> >>
> >> This would be useful to implement functionality at userlevel and
> >> still use an event queue to announce the availability. Without this
> >> type of functionality we'd need to use indirect notification via
> >> signal or pipe or something like that.
>
> This is still something which is wanted.
Why do we want to inject _ready_ event, when it is possible to mark
event as ready and wakeup thread parked in syscall?
> --
> ➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View,
> CA ❖
--
Evgeniy Polyakov
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