Remove ttyflush from ttyclose,

it really belongs only to ttylclose, other than tty
disciplines must not touch t_out & t_raw or
dead tsleep hang can occurse.

diff --git a/sys/kern/tty.c b/sys/kern/tty.c
index 4360945..a13afcb 100644 (file)
--- a/sys/kern/tty.c
+++ b/sys/kern/tty.c
@@ -32,7 +32,7 @@
  * SUCH DAMAGE.
  *
  *     from: @(#)tty.c 7.44 (Berkeley) 5/28/91
  * SUCH DAMAGE.
  *
  *     from: @(#)tty.c 7.44 (Berkeley) 5/28/91

- *     $Id: tty.c,v 1.23 1994/03/21 18:28:28 ache Exp $
+ *     $Id: tty.c,v 1.24 1994/03/21 21:12:55 ache Exp $

  */
 
 #include "param.h"
  */
 
 #include "param.h"


@@ -796,7 +796,7 @@ ttylclose(tp, flag)
 }
 
 /*
 }
 
 /*

- * Handle close() on a tty line: flush and set to initial state,
+ * Handle close() on a tty line: set to initial state,

  * bumping generation number so that pending read/write calls
  * can detect recycling of the tty.
  */
  * bumping generation number so that pending read/write calls
  * can detect recycling of the tty.
  */


@@ -806,7 +806,6 @@ ttyclose(tp)
 {
        if (constty == tp)
                constty = NULL;
 {
        if (constty == tp)
                constty = NULL;

-       ttyflush(tp, FREAD|FWRITE);

        tp->t_session = NULL;
        tp->t_pgrp = NULL;
        tp->t_state = 0;
        tp->t_session = NULL;
        tp->t_pgrp = NULL;
        tp->t_state = 0;