Date: Tue, 13 Aug 2002 01:02:05 -0700 From: Alfred Perlstein <alfred@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, rwatson@freebsd.org Subject: Re: cvs commit: src/sys/kern sysv_msg.c Message-ID: <20020813080205.GF65814@elvis.mu.org> In-Reply-To: <200208130800.g7D80ajd021058@freefall.freebsd.org> References: <200208130800.g7D80ajd021058@freefall.freebsd.org>
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* Alfred Perlstein <alfred@FreeBSD.org> [020813 01:00] wrote: > alfred 2002/08/13 01:00:36 PDT > > Modified files: > sys/kern sysv_msg.c > Log: > Make SYSVMSG mpsafe. Right now there is a global lock over the > entire subsystem, we could move to per-message queue locks, however > the messages themselves seem to come from a global pool and to avoid > over-locking this code (locking individual queues, then the global > pool) I've opted to just do it this way. > > Requested by: rwatson > Tested by: NetBSD's regression suite. I'll probably have SYSVSEM done tomorrow, it's quite a bit more complicated since I didn't use a global lock so I'm going to test it a lot harder to make sure it's correct. -- -Alfred Perlstein [alfred@freebsd.org] [#bsdcode/efnet/irc.prison.net] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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