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Date: Tue, 4 Jul 2006 09:08:38 -0400 (EDT)
From: Daniel Eischen <deischen@freebsd.org>
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To: David Xu <davidxu@freebsd.org>
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Cc: threads@freebsd.org, Robert Watson <rwatson@freebsd.org>,
	freebsd-threads@freebsd.org
Subject: Re: Strawman proposal: making libthr default thread implementation?
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On Tue, 4 Jul 2006, David Xu wrote:

> On Monday 03 July 2006 21:44, Daniel Eischen wrote:
>> On Mon, 3 Jul 2006, David Xu wrote:
>>> On Monday 03 July 2006 20:40, Daniel Eischen wrote:
>>>> No, I think those are what libthr lacks in supporting POSIX.
>>>> I think the problem will be getting our 3 kernel schedulers to
>>>> support them.
>>>
>>> it is mutex code and priority propagating which is already
>>> supported by turnstile code, in theory, it is not depended
>>> on scheduler.
>>
>> Sure it is.  SCHED_FIFO and SCHED_RR are scheduling attributes.
>> Mutex code and priority propagation have nothing to do with
>> this.
>
> I have never said SCHED_FIFO and SCHED_RR is related to mutex,
> in fact, I am confused that you always said them at same time.

The question was what does libthr lack.  The answer is priority
inheritence & protect mutexes, and also SCHED_FIFO, SCHED_RR, and
(in the future) SCHED_SPORADIC scheduling.  That is what I stated
earlier in this thread.

-- 
DE