Date: Sat, 17 Mar 2007 21:46:40 -0700 From: Julian Elischer <julian@elischer.org> To: Duane Whitty <duane@dwlabs.ca> Cc: freebsd-current@freebsd.org Subject: Re: [RFC] locking.9 Message-ID: <45FCC430.30901@elischer.org> In-Reply-To: <20070317073855.GA58662@dwpc.dwlabs.ca> References: <200703092241.l29Mf2Ds062856@repoman.freebsd.org> <200703121535.22140.jhb@freebsd.org> <20070312200345.GB5688@garage.freebsd.pl> <200703121618.41084.jhb@freebsd.org> <45F5E1F9.5090806@elischer.org> <20070313010309.Q25395@fledge.watson.org> <45F73AE7.6010508@elischer.org> <20070317073855.GA58662@dwpc.dwlabs.ca>
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Duane Whitty wrote: > On Tuesday, 13 March 2007 at 16:59:35 -0700, Julian Elischer wrote: >> resend to the right place with a corrected attachment. >> >> Robert Watson wrote: >>> The idea of a locking(9) has been kicked around for a while, and its >>> time has definitely come. It would summarize the properties and cross >>> reference the man pages of the various primitives, and suggest a >>> preference and strategy for using them in new code vs. existing code, >>> etc. Distinguishing dimensions would include things like whether it is >>> sleepable, supports priority propagation, can be acquired in interrupt >>> context (a result of the prior two properties), whether it is fair, etc, >>> etc. And include stern warnings about not using lockmgr in new code :-). >>> >>> Robert N M Watson >>> Computer Laboratory >>> University of Cambridge >> >> ok so how about I commit this to get us started and the nroff and >> locking experts can take it from there. >> >> > > This is great! Thank you on behalf of newcomers everywhere. > It turns out the man9 page doesn't get installed. I've attached > the patch for /usr/src/share/man/man9/Makefile so that this gets > installed. > > I'm looking forward to reading this and I know I'll learn a lot. > thanks.. actually it's deliberately not in the build yet.. I'd rather not do that until it's had a few more people go through it and take the bugs out. :-) >> ------------------------------------------------------------------------ >> >> --- /usr/src/share/man/man9/Makefile.old Fri Mar 16 20:14:48 2007 >> +++ /usr/src/share/man/man9/Makefile Fri Mar 16 20:09:01 2007 >> @@ -133,6 +133,7 @@ >> kthread.9 \ >> ktr.9 \ >> lock.9 \ >> + locking.9 \ >> LOCK_PROFILING.9 \ >> mac.9 \ >> make_dev.9 \
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