lkml.org 
[lkml]   [2006]   [Nov]   [28]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateTue, 28 Nov 2006 13:13:27 +0300
FromEvgeniy Polyakov <>
SubjectRe: [take24 0/6] kevent: Generic event handling mechanism.
On Mon, Nov 27, 2006 at 10:23:39AM -0800, Ulrich Drepper (drepper@redhat.com) 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-11-28 10:17    [from the cache]
©2003-2008