On Wed, Dec 27, 2006 at 12:45:50PM -0800, Ulrich Drepper ([EMAIL PROTECTED])
wrote:
Evgeniy Polyakov wrote:
Why do we want to inject _ready_ event, when it is possible to mark
event as ready and wakeup thread parked in syscall?
Going back to this old one:
How do you want to mark an
Evgeniy Polyakov wrote:
Why do we want to inject _ready_ event, when it is possible to mark
event as ready and wakeup thread parked in syscall?
Going back to this old one:
How do you want to mark an event ready if you don't want to introduce
yet another layer of data structures? The event
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),
On Mon, Nov 27, 2006 at 11:12:21AM -0800, Ulrich Drepper ([EMAIL PROTECTED])
wrote:
Evgeniy Polyakov wrote:
It just sets hrtimer with abs time and sleeps - it can achieve the same
goals using similar to wait_event() mechanism.
I don't follow. Of course it is somehow possible to wait until
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:
Evgeniy Polyakov wrote:
It just sets hrtimer with abs time and sleeps - it can achieve the same
goals using similar to wait_event() mechanism.
I don't follow. Of course it is somehow possible to wait until an
absolute deadline. But it's not part of the parameter list and hence
easily and
On Sat, Nov 11, 2006 at 02:28:53PM -0800, Ulrich Drepper ([EMAIL PROTECTED])
wrote:
Evgeniy Polyakov wrote:
Generic event handling mechanism.
[...]
Sorry for the delay again. Kernel work is simply not my highest priority.
I've collected my comments on some parts of the patch. I haven't
On Mon, Nov 13, 2006 at 01:54:58PM +0300, Evgeniy Polyakov ([EMAIL PROTECTED])
wrote:
===
- there is really no reason to invent yet another timer implementation.
We have the POSIX timers which are feature rich and nicely
implemented. All that is needed is to
Evgeniy Polyakov wrote:
Generic event handling mechanism.
[...]
Sorry for the delay again. Kernel work is simply not my highest priority.
I've collected my comments on some parts of the patch. I haven't gone
through every part of the patch yet. Sorry for the length.
===
Generic event handling mechanism.
Kevent is a generic subsytem which allows to handle event notifications.
It supports both level and edge triggered events. It is similar to
poll/epoll in some cases, but it is more scalable, it is faster and
allows to work with essentially eny kind of events.
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