1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)tty_pty.c 8.4 (Berkeley) 2/20/95 30 */ 31 32#include <sys/cdefs.h> |
33__FBSDID("$FreeBSD: head/sys/kern/tty_pty.c 154170 2006-01-10 09:19:10Z phk $"); |
34 35/* 36 * Pseudo-teletype Driver 37 * (Actually two drivers, requiring two entries in 'cdevsw') 38 */ 39#include "opt_compat.h" 40#include "opt_tty.h" 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/lock.h> 44#include <sys/mutex.h> 45#include <sys/sx.h> |
46#if defined(COMPAT_43TTY) |
47#include <sys/ioctl_compat.h> 48#endif |
49#include <sys/proc.h> 50#include <sys/tty.h> 51#include <sys/conf.h> 52#include <sys/fcntl.h> 53#include <sys/poll.h> 54#include <sys/kernel.h> 55#include <sys/uio.h> 56#include <sys/signalvar.h> --- 489 unchanged lines hidden (view full) --- 546 /* 547 * The rest of the ioctls shouldn't be called until 548 * the slave is open. 549 */ 550 if ((tp->t_state & TS_ISOPEN) == 0) 551 return (EAGAIN); 552 553 switch (cmd) { |
554#ifdef COMPAT_43TTY |
555 case TIOCSETP: 556 case TIOCSETN: 557#endif |
558 case TIOCSETD: 559 case TIOCSETA: 560 case TIOCSETAW: 561 case TIOCSETAF: 562 /* 563 * IF CONTROLLER STTY THEN MUST FLUSH TO PREVENT A HANG. 564 * ttywflush(tp) will hang if there are characters in 565 * the outq. --- 67 unchanged lines hidden (view full) --- 633 /* 634 * If external processing and packet mode send ioctl packet. 635 */ 636 if ((tp->t_lflag&EXTPROC) && (pt->pt_flags & PF_PKT)) { 637 switch(cmd) { 638 case TIOCSETA: 639 case TIOCSETAW: 640 case TIOCSETAF: |
641#ifdef COMPAT_43TTY |
642 case TIOCSETP: 643 case TIOCSETN: 644 case TIOCSETC: 645 case TIOCSLTC: 646 case TIOCLBIS: 647 case TIOCLBIC: 648 case TIOCLSET: 649#endif |
650 pt->pt_send |= TIOCPKT_IOCTL; 651 ptcwakeup(tp, FREAD); 652 break; 653 default: 654 break; 655 } 656 } 657 stop = (tp->t_iflag & IXON) && CCEQ(cc[VSTOP], CTRL('s')) --- 63 unchanged lines hidden --- |