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Date: Sat, 29 Jun 2013 16:02:06 +0200
From: Jilles Tjoelker <jilles@stack.nl>
To: Julian Elischer <julian@freebsd.org>
Subject: Re: svn commit: r252346 - head/share/man/man9
Message-ID: <20130629140206.GA25876@stack.nl>
References: <201306281633.r5SGXjFU017827@svn.freebsd.org>
 <51CEDE2B.60204@freebsd.org> <51CEE326.2010903@freebsd.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
 src-committers@freebsd.org, John Baldwin <jhb@freebsd.org>
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On Sat, Jun 29, 2013 at 09:37:42PM +0800, Julian Elischer wrote:
> On 6/29/13 9:16 PM, Julian Elischer wrote:
> >> -If the owner is not currently actually running then the spin step 
> >> is skipped.
> >> +then a thread attempting to acquire the mutex will spin rather 
> >> than yielding
> >> +the processor.
> Am I wrong in thinking that it will only spin for a short while, 
> eventually yielding?

> The original text said this but the new text implies it will spin
> forever.

The code actually spins until the state of the lock changes or the
owning thread is no longer running.

-- 
Jilles Tjoelker