code:ttrstrt - ikarishinjieva/unixV6-code-analyze-chs GitHub Wiki

8480 /* ------------------------- */

8481 /* Restart typewriter output following a delay

8482  * timeout.

8483  * The name of the routine is passed to the timeout

8484  * subroutine and it is called during a clock interrupt.

8485  */

8486 ttrstrt(atp)

8487 {

8488     register struct tty *tp;

8489

8490     tp = atp;

8491     tp->t_state =& ~TIMEOUT;

• 清TIMEOUT标志
• 参看ttstart

8492     ttstart(tp);

8493 }

8494 /* ------------------------- */

• code:ttstart