Date: Sun, 25 Nov 2001 14:45:40 -0800 From: Kris Kennaway <kris@obsecurity.org> To: Ian Dowse <iedowse@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/usr.bin/tail forward.c Message-ID: <20011125144540.A93369@xor.obsecurity.org> In-Reply-To: <200111251803.fAPI3SG79146@freefall.freebsd.org>; from iedowse@FreeBSD.org on Sun, Nov 25, 2001 at 10:03:28AM -0800 References: <200111251803.fAPI3SG79146@freefall.freebsd.org>
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[-- Attachment #1 --] On Sun, Nov 25, 2001 at 10:03:28AM -0800, Ian Dowse wrote: > iedowse 2001/11/25 10:03:28 PST > > Modified files: > usr.bin/tail forward.c > Log: > Since kqueue support was added to tail, the "-F" option (check for > renames/rotations) only detected cases where the file itself was > moved or deleted. If part of the path to the file (or a symlink > in the path) was changed instead, tail would not notice. > > Fix this by ensuring that we stat the path at least once every > second in the -F case to check for changes. We still use kqueue > when possible to inform us quickly when the file has changed. Hmm, this strikes me as a bit nasty...ideally you shouldn't have to poll for any status changes in a kqueue world. Is there an easy way kq could be improved to handle this? Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE8AXRVWry0BWjoQKURArISAKCNdeBWRHbDggZFgD2PUm311fau4gCg2lAO EVeoUyuwcNIgMnqs1+bVt/w= =cBpN -----END PGP SIGNATURE-----help
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