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From: Ed Schouten <ed@FreeBSD.org>
To: Perforce Change Reviews <perforce@FreeBSD.org>
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Subject: PERFORCE change 150156 for review
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http://perforce.freebsd.org/chv.cgi?CH=150156

Change 150156 by ed@ed_dull on 2008/09/20 09:35:36

	Make sure ttydevsw_outwakeup() actually wakes up the driver when
	hooks are in place.

Affected files ...

.. //depot/projects/mpsafetty/sys/sys/ttydevsw.h#8 edit

Differences ...

==== //depot/projects/mpsafetty/sys/sys/ttydevsw.h#8 (text+ko) ====

@@ -95,9 +95,7 @@
 	MPASS(!tty_gone(tp));
 
 	/* Prevent spurious wakeups. */
-	if (tp->t_flags & TF_STOPPED)
-		return;
-	if (ttyoutq_bytesused(&tp->t_outq) == 0)
+	if (ttydisc_rint_poll(tp) == 0)
 		return;
 
 	tp->t_devsw->tsw_outwakeup(tp);