Date: Sun, 30 Jun 2013 19:10:09 +0800 From: Julian Elischer <julian@freebsd.org> To: Jilles Tjoelker <jilles@stack.nl> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, John Baldwin <jhb@freebsd.org> Subject: Re: svn commit: r252346 - head/share/man/man9 Message-ID: <51D01211.2030408@freebsd.org> In-Reply-To: <20130629140206.GA25876@stack.nl> References: <201306281633.r5SGXjFU017827@svn.freebsd.org> <51CEDE2B.60204@freebsd.org> <51CEE326.2010903@freebsd.org> <20130629140206.GA25876@stack.nl>
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On 6/29/13 10:02 PM, Jilles Tjoelker wrote: > 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. either way I think this needs clarification. >
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