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Return immediately from ttwrite() if the ttysleep()s that wait for

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a clist return with an error.  There are some clist starvation/deadlock
bugs elsewhere and killing clist hogs didn't help because the breaks
only exited from the inner loops.
This commit is contained in:
Bruce Evans 1994-11-01 22:23:29 +00:00
parent cb2646da64
commit e8b7f39747
1 changed files with 3 additions and 3 deletions
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6
sys/kern/tty.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)tty.c 8.8 (Berkeley) 1/21/94
* $Id: tty.c,v 1.11 1994/10/15 17:59:02 ache Exp $
* $Id: tty.c,v 1.12 1994/10/23 06:18:13 davidg Exp $
*/
#include <sys/param.h>
@ -1597,7 +1597,7 @@ loop:
error = ttysleep(tp, &lbolt,
TTOPRI | PCATCH, ttybuf, 0);
if (error)
break;
goto out;
goto loop;
}
cp++;
@ -1628,7 +1628,7 @@ loop:
error = ttysleep(tp,
&lbolt, TTOPRI | PCATCH, ttybuf, 0);
if (error)
break;
goto out;
goto loop;
}
if (ISSET(tp->t_lflag, FLUSHO) ||