Date: Thu, 10 Oct 2013 07:55:38 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Hans Petter Selasky <hps@bitfrost.no> Cc: freebsd-usb@freebsd.org Subject: Re: USB config SX lock deadlock Message-ID: <FFD6BC71-0CAC-41AE-9450-6549F4B0E9C5@gsoft.com.au> In-Reply-To: <52554855.6030404@bitfrost.no> References: <9783900F-08A1-41FB-81B8-3C9809B82521@gsoft.com.au> <52553000.2010003@bitfrost.no> <A2C6A9D3-1595-41D2-A5C6-B544A3E40058@gsoft.com.au> <52554855.6030404@bitfrost.no>
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--Apple-Mail=_CD429B30-8A1F-4D70-86E3-B936B8591679 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 09/10/2013, at 22:43, Hans Petter Selasky <hps@bitfrost.no> wrote: > On 10/09/13 12:38, Daniel O'Connor wrote: >> On 09/10/2013, at 20:59, Hans Petter Selasky <hps@bitfrost.no> wrote: >> It is actually running r253505, sorry I should have mentioned that = before. >>=20 >> It isn't a serial device, although the driver is a thin wrapper = around the usb_fifo code (which is very useful - thanks :) >=20 > Does your application close the file handle when it gets a read/poll = error? It might under some circumstances but not directly.=20 It has 3 sub interfaces, if there is an error on one the the DAQ program = will call abort() which would result in FDs being closed. However that sub interface does not use read/poll only ioctl. -- Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --Apple-Mail=_CD429B30-8A1F-4D70-86E3-B936B8591679 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iD8DBQFSVcnS5ZPcIHs/zowRAoQEAJwMx8HAOh/k0cJPGl0JmqG5wSFgwQCdF1zX rXI+WH5Nio019td7/v2CMlM= =7fK1 -----END PGP SIGNATURE----- --Apple-Mail=_CD429B30-8A1F-4D70-86E3-B936B8591679--
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