Date: Sun, 27 Aug 2000 19:42:48 -0700 (PDT) From: Archie Cobbs <archie@whistle.com> To: David Malone <dwmalone@maths.tcd.ie> Cc: freebsd-net@freebsd.org, freebsd-current@freebsd.org Subject: Re: Proposal to clarify mbuf handling rules Message-ID: <200008280242.TAA66974@bubba.whistle.com> In-Reply-To: <20000827225011.A10714@lanczos.maths.tcd.ie> "from David Malone at Aug 27, 2000 10:50:11 pm"
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David Malone writes: > We were thinking it might be a good idea to have a flag associated > with mbufs which means they are writable, providing the reference > count is 1. Then we can provide a macro for checking writability. > This flag could be set on jumbo ethernet buffers, but not sendfile > buffers (for example). That's a good idea.. I forgot about things like sendfile, where the mbuf is read-only due to other reasons. So we need some kind of flag it seems. That's good -- it makes it even more obvious. -Archie ___________________________________________________________________________ Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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