| pty.c (3308) | pty.c (3998) |
|---|---|
| 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 --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)tty_pty.c 8.2 (Berkeley) 9/23/93 | 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 --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)tty_pty.c 8.2 (Berkeley) 9/23/93 |
| 34 * $Id: tty_pty.c,v 1.4 1994/09/15 19:47:16 bde Exp $ | 34 * $Id: tty_pty.c,v 1.5 1994/10/02 17:35:30 phk Exp $ |
| 35 */ 36 37/* 38 * Pseudo-teletype Driver 39 * (Actually two drivers, requiring two entries in 'cdevsw') 40 */ 41#include "pty.h" /* XXX */ 42 --- 217 unchanged lines hidden (view full) --- 260 struct pt_ioctl *pti = &pt_ioctl[minor(tp->t_dev)]; 261 262 if (flag & FREAD) { 263 selwakeup(&pti->pt_selr); 264 wakeup((caddr_t)&tp->t_outq.c_cf); 265 } 266 if (flag & FWRITE) { 267 selwakeup(&pti->pt_selw); | 35 */ 36 37/* 38 * Pseudo-teletype Driver 39 * (Actually two drivers, requiring two entries in 'cdevsw') 40 */ 41#include "pty.h" /* XXX */ 42 --- 217 unchanged lines hidden (view full) --- 260 struct pt_ioctl *pti = &pt_ioctl[minor(tp->t_dev)]; 261 262 if (flag & FREAD) { 263 selwakeup(&pti->pt_selr); 264 wakeup((caddr_t)&tp->t_outq.c_cf); 265 } 266 if (flag & FWRITE) { 267 selwakeup(&pti->pt_selw); |
| 268 wakeup((caddr_t)&tp->t_rawq.c_cf); | 268 wakeup((caddr_t)&tp->t_rawq.c_cl); |
| 269 } 270} 271 272/*ARGSUSED*/ 273#ifdef __STDC__ 274int 275ptcopen(dev_t dev, int flag, int devtype, struct proc *p) 276#else --- 261 unchanged lines hidden (view full) --- 538 return (EIO); 539 if (flag & IO_NDELAY) { 540 /* adjust for data copied in but not written */ 541 uio->uio_resid += cc; 542 if (cnt == 0) 543 return (EWOULDBLOCK); 544 return (0); 545 } | 269 } 270} 271 272/*ARGSUSED*/ 273#ifdef __STDC__ 274int 275ptcopen(dev_t dev, int flag, int devtype, struct proc *p) 276#else --- 261 unchanged lines hidden (view full) --- 538 return (EIO); 539 if (flag & IO_NDELAY) { 540 /* adjust for data copied in but not written */ 541 uio->uio_resid += cc; 542 if (cnt == 0) 543 return (EWOULDBLOCK); 544 return (0); 545 } |
| 546 error = tsleep((caddr_t)&tp->t_rawq.c_cf, TTOPRI | PCATCH, ttyout, 0); | 546 error = tsleep((caddr_t)&tp->t_rawq.c_cl, TTOPRI | PCATCH, ttyout, 0); |
| 547 if (error) { 548 /* adjust for data copied in but not written */ 549 uio->uio_resid += cc; 550 return (error); 551 } 552 goto again; 553} 554 --- 157 unchanged lines hidden --- | 547 if (error) { 548 /* adjust for data copied in but not written */ 549 uio->uio_resid += cc; 550 return (error); 551 } 552 goto again; 553} 554 --- 157 unchanged lines hidden --- |