Date: Sun, 24 Sep 2000 09:37:27 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: Brian Somers <brian@Awfulhak.org> Cc: Greg Lehey <grog@wantadilla.lemis.com>, Chuck Paterson <cp@bsdi.com>, Archie Cobbs <archie@whistle.com>, Joerg Micheel <joerg@cs.waikato.ac.nz>, Frank Mayhar <frank@exit.com>, John Baldwin <jhb@pike.osd.bsdi.com>, Mark Murray <markm@freebsd.org>, FreeBSD-arch@freebsd.org Subject: Re: Mutexes and semaphores (was: cvs commit: src/sys/conf files src/sys/sys random.h src/sys/dev/randomdev hash.c hash.h harvest.c randomdev.c yarrow.c yarro) Message-ID: <Pine.GSO.4.21.0009240936050.8550-100000@bird.feral.com> In-Reply-To: <200009241026.e8OAQVx26206@hak.lan.Awfulhak.org>
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> I agree - the idea of recursive mutices evil and should go, but the > idea of an owner should not. It's nice to be able to write code that > KASSERTs that it already owns a given mutex. I'm not sure I agree. Having lived through Solaris hell with recursive mutex panics, I rather like the BSD/OS approach. Yes, possibly allows for sloppy coding. If you get rid of this, though, you can extend the switchover and pain for SMP at least a year. -matt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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