On 21 May, Peter Jeremy wrote: > On Fri, 2005-May-20 21:51:34 +0200, Hans Petter Selasky wrote:
>>Can anyone explain why "uiomove()" has to sleep, and why there is no >>non-blocking "uiomove()"? > > As far as I can see, uiomove() only sleeps if it is asked to do a > kernel<->userland move that takes more than twice a scheduler quantum. > As long as you don't uiomove() ridiculous amounts of data, it should > never sleep. It can also sleep if it stumbles across a userland page that isn't resident. When this happens, it will sleep until the page is retrieved from swap. _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
