Date: Tue, 3 Oct 2000 06:40:50 -0400 (EDT) From: Daniel Eischen <eischen@vigrid.com> To: John Baldwin <jhb@FreeBSD.ORG> Cc: Zhiui Zhang <zzhang@cs.binghamton.edu>, freebsd-hackers@FreeBSD.ORG Subject: RE: process scheduling quantum Message-ID: <Pine.SUN.3.91.1001003063652.10052A-100000@pcnet1.pcnet.com> In-Reply-To: <XFMail.001003000151.jhb@FreeBSD.org>
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On Tue, 3 Oct 2000, John Baldwin wrote: > > On 02-Oct-00 Zhiui Zhang wrote: > > > > Suppose a process is scheduled to run, will it run until its quantum ends > > unless it calls tsleep() on his own? In other words, is it possible for a > > process to give up its quantum earlier without having it to do so > > voluntarily? Thanks. > > If an interrupt occurs and puts a thread on the run queue (which will have > higher priority than the currently running proceess) then the current > process will be stopped so that the interrupt thread can run. Uhh, I think he wants a process to be able to willingly give up its remaining quantum. This is called sched_yield(2). -- Dan Eischen To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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