| tty.c (9625) | tty.c (9626) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)tty.c 8.8 (Berkeley) 1/21/94 | 1/*- 2 * Copyright (c) 1982, 1986, 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 22 unchanged lines hidden (view full) --- 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)tty.c 8.8 (Berkeley) 1/21/94 |
| 39 * $Id: tty.c,v 1.54 1995/07/21 20:52:38 bde Exp $ | 39 * $Id: tty.c,v 1.55 1995/07/21 22:51:50 bde Exp $ |
| 40 */ 41 42/*- 43 * TODO: 44 * o Fix races for sending the start char in ttyflush(). 45 * o Handle inter-byte timeout for "MIN > 0, TIME > 0" in ttyselect(). 46 * With luck, there will be MIN chars before select() returns(). 47 * o Handle CLOCAL consistently for ptys. Perhaps disallow setting it. --- 2001 unchanged lines hidden (view full) --- 2049 2050 selwakeup(&tp->t_rsel); 2051 if (ISSET(tp->t_state, TS_ASYNC)) 2052 pgsignal(tp->t_pgrp, SIGIO, 1); 2053 wakeup((caddr_t)&tp->t_rawq); 2054} 2055 2056/* | 40 */ 41 42/*- 43 * TODO: 44 * o Fix races for sending the start char in ttyflush(). 45 * o Handle inter-byte timeout for "MIN > 0, TIME > 0" in ttyselect(). 46 * With luck, there will be MIN chars before select() returns(). 47 * o Handle CLOCAL consistently for ptys. Perhaps disallow setting it. --- 2001 unchanged lines hidden (view full) --- 2049 2050 selwakeup(&tp->t_rsel); 2051 if (ISSET(tp->t_state, TS_ASYNC)) 2052 pgsignal(tp->t_pgrp, SIGIO, 1); 2053 wakeup((caddr_t)&tp->t_rawq); 2054} 2055 2056/* |
| 2057 * Wake up any writers on a tty. 2058 */ 2059void 2060ttwwakeup(tp) 2061 register struct tty *tp; 2062{ 2063 2064 if (tp->t_outq.c_cc <= tp->t_lowat) { 2065 if (tp->t_state & TS_ASLEEP) { 2066 tp->t_state &= ~TS_ASLEEP; 2067 wakeup(&tp->t_outq); 2068 } 2069 selwakeup(&tp->t_wsel); 2070 } 2071} 2072 2073/* |
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| 2057 * Look up a code for a specified speed in a conversion table; 2058 * used by drivers to map software speed values to hardware parameters. 2059 */ 2060int 2061ttspeedtab(speed, table) 2062 int speed; 2063 register struct speedtab *table; 2064{ --- 239 unchanged lines hidden --- | 2074 * Look up a code for a specified speed in a conversion table; 2075 * used by drivers to map software speed values to hardware parameters. 2076 */ 2077int 2078ttspeedtab(speed, table) 2079 int speed; 2080 register struct speedtab *table; 2081{ --- 239 unchanged lines hidden --- |