Date: Wed, 23 May 2001 17:17:09 -0400 From: Alfred Perlstein <bright@rush.net> To: John Baldwin <jhb@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_synch.c Message-ID: <20010523171709.R17514@superconductor.rush.net> In-Reply-To: <200105231938.f4NJcRC07053@freefall.freebsd.org>; from jhb@FreeBSD.org on Wed, May 23, 2001 at 12:38:27PM -0700 References: <200105231938.f4NJcRC07053@freefall.freebsd.org>
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* John Baldwin <jhb@FreeBSD.org> [010523 15:39] wrote: > jhb 2001/05/23 12:38:27 PDT > > Modified files: > sys/kern kern_synch.c > Log: > Add in assertions to ensure that we always call msleep or mawait with > either a timeout or a held mutex to detect unprotected infinite sleeps > that can easily lead to deadlock. > > Submitted by: alfred I'm glad to see this assertion go in, however it's really not perfect, it will not detect tsleeps with a timeout without a mutex held because that is "valid". I really think we need some sort of way to really "pause" rather than wait for a signalling. Anyhow, we'll get to it one day. :) -- -Alfred Perlstein [alfred@freebsd.org] 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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