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
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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 1.15 1995/07/22 16:45:08 bde Exp $
35 */
36
37/*
38 * Pseudo-teletype Driver
39 * (Actually two drivers, requiring two entries in 'cdevsw')
40 */
41#include "pty.h" /* XXX */
42
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307 /*
308 * XXX MDMBUF makes no sense for ptys but would inhibit the above
309 * l_modem(). CLOCAL makes sense but isn't supported. Special
310 * l_modem()s that ignore carrier drop make no sense for ptys but
311 * may be in use because other parts of the line discipline make
312 * sense for ptys. Recover by doing everything that a normal
313 * ttymodem() would have done except for sending a SIGHUP.
314 */
315 tp->t_state &= ~(TS_CARR_ON | TS_CONNECTED);
316 tp->t_state |= TS_ZOMBIE;
317 ttyflush(tp, FREAD | FWRITE);
318
319 tp->t_oproc = 0; /* mark closed */
320 tp->t_session = 0;
321 return (0);
322}
323
324int
325ptcread(dev, uio, flag)
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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 1.15 1995/07/22 16:45:08 bde Exp $
35 */
36
37/*
38 * Pseudo-teletype Driver
39 * (Actually two drivers, requiring two entries in 'cdevsw')
40 */
41#include "pty.h" /* XXX */
42
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307 /*
308 * XXX MDMBUF makes no sense for ptys but would inhibit the above
309 * l_modem(). CLOCAL makes sense but isn't supported. Special
310 * l_modem()s that ignore carrier drop make no sense for ptys but
311 * may be in use because other parts of the line discipline make
312 * sense for ptys. Recover by doing everything that a normal
313 * ttymodem() would have done except for sending a SIGHUP.
314 */
315 tp->t_state &= ~(TS_CARR_ON | TS_CONNECTED);
316 tp->t_state |= TS_ZOMBIE;
317 ttyflush(tp, FREAD | FWRITE);
318
319 tp->t_oproc = 0; /* mark closed */
320 tp->t_session = 0;
321 return (0);
322}
323
324int
325ptcread(dev, uio, flag)
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