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 130892 2004-06-21 22:57:16Z 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#ifndef BURN_BRIDGES |
47#if defined(COMPAT_43) 48#include <sys/ioctl_compat.h> 49#endif |
50#endif |
51#include <sys/proc.h> 52#include <sys/tty.h> 53#include <sys/conf.h> 54#include <sys/fcntl.h> 55#include <sys/poll.h> 56#include <sys/kernel.h> 57#include <sys/vnode.h> 58#include <sys/signalvar.h> --- 597 unchanged lines hidden (view full) --- 656 /* 657 * The rest of the ioctls shouldn't be called until 658 * the slave is open. 659 */ 660 if ((tp->t_state & TS_ISOPEN) == 0) 661 return (EAGAIN); 662 663 switch (cmd) { |
664#ifndef BURN_BRIDGES |
665#ifdef COMPAT_43 666 case TIOCSETP: 667 case TIOCSETN: 668#endif |
669#endif |
670 case TIOCSETD: 671 case TIOCSETA: 672 case TIOCSETAW: 673 case TIOCSETAF: 674 /* 675 * IF CONTROLLER STTY THEN MUST FLUSH TO PREVENT A HANG. 676 * ttywflush(tp) will hang if there are characters in 677 * the outq. --- 55 unchanged lines hidden (view full) --- 733 /* 734 * If external processing and packet mode send ioctl packet. 735 */ 736 if ((tp->t_lflag&EXTPROC) && (pt->pt_flags & PF_PKT)) { 737 switch(cmd) { 738 case TIOCSETA: 739 case TIOCSETAW: 740 case TIOCSETAF: |
741#ifndef BURN_BRIDGES |
742#ifdef COMPAT_43 743 case TIOCSETP: 744 case TIOCSETN: |
745 case TIOCSETC: 746 case TIOCSLTC: 747 case TIOCLBIS: 748 case TIOCLBIC: 749 case TIOCLSET: 750#endif |
751#endif |
752 pt->pt_send |= TIOCPKT_IOCTL; 753 ptcwakeup(tp, FREAD); 754 break; 755 default: 756 break; 757 } 758 } 759 stop = (tp->t_iflag & IXON) && CCEQ(cc[VSTOP], CTRL('s')) --- 61 unchanged lines hidden --- |