Messages in this thread | | | Date | Fri, 24 Nov 2006 19:31:00 +0300 | From | Evgeniy Polyakov <> | Subject | Re: [take25 1/6] kevent: Description. |
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On Fri, Nov 24, 2006 at 07:14:06PM +0300, Evgeniy Polyakov (johnpol@2ka.mipt.ru) wrote: > If kernel has put data asynchronously it will setup special flag, thus > kevent_wait() will not sleep and will return, so thread will check new > entries and process them.
For the clarification - only kevent_wait() updates index, userspace will not detect that it has changed after thread has put there new data. In case kernel thread will updated index too, you are correct, kevent_wait() should get index as parameter.
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