Date: Tue, 25 Jul 1995 05:29:23 +1000 From: Bruce Evans <bde@zeta.org.au> To: ache@astral.msk.su, bde@zeta.org.au, terry@cs.weber.edu Cc: hackers@freebsd.org, harry@hgac.com, jkh@violet.berkeley.edu Subject: Re: dial up at > 9600 baud Message-ID: <199507241929.FAA28751@godzilla.zeta.org.au>
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>>No. "... opening a terminal device file with the O_NONBLOCK flag clear >>shall cause the process to block until the terminal device is ready and >>available. The CLOCAL flag can also affect open()." [Opening terminal >>device files with O_NONBLOCK set is supposed to always work if the file >>permissions allow it. We probably break this by returning EBUSY for >>some exclusive access and bidirectional cases.] >Maybe we should allow open and return EBUSY on ioctls or writes? No. Bruce
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