Date: Wed, 3 Dec 2008 15:02:41 -0500 From: John Baldwin <jhb@freebsd.org> To: Lawrence Stewart <lstewart@freebsd.org> Cc: freebsd-arch@freebsd.org Subject: Re: kthread_exit(9) unexpectedness Message-ID: <200812031502.42218.jhb@freebsd.org> In-Reply-To: <4935E4B5.6090204@freebsd.org> References: <492412E8.3060700@freebsd.org> <200812021707.41545.jhb@freebsd.org> <4935E4B5.6090204@freebsd.org>
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On Tuesday 02 December 2008 08:45:25 pm Lawrence Stewart wrote: > > might even be better to add a dedicated condvar to 'struct thread' in 8.x > > that is used for the wakeup and do the wakeup on that rather than the thread > > pointer to be honest. > > > > What are the pros/cons of using mtx_sleep/wakeup vs cv_wait/cv_broadcast? Forces you to use explicit wait channels as opposed to some of the problems we have now with 3-4 places sleeping on proc pointers for example. -- John Baldwin
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