Date: Mon, 31 Jul 1995 00:04:13 +1000 From: Bruce Evans <bde@zeta.org.au> To: CVS-commiters@freefall.cdrom.com, bde@freefall.cdrom.com, cvs-sys@freefall.cdrom.com Subject: Re: cvs commit: src/sys/kern tty.c Message-ID: <199507301404.AAA09866@godzilla.zeta.org.au>
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>bde 95/07/30 06:52:57 > Modified: sys/kern tty.c > Log: > Don't swap the queue headers to implement concatenation of the > queues for TIOCSETA[W]. Swapping an even number of times broke > the queue resource limits. This would have broken CRTSCTS flow > control if the clist slush list was used up. > > Don'concatenate the queues for TIOCSETA[W] if one of the queues > has a resource limit of 0. Concatenation would cause a panic if > one of the queues is nonempty and the other is limited to length > 0. This may have caused panics in PPPDISC. > > Wake up readers after all transitions of ICANON. When ICANON is > turned off it is quite likely that characters will become available > to be read. > > Reduce indentation near these changes. This change should go in 2.1. Bruce
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