| tty.c (30354) | tty.c (31016) |
|---|---|
| 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 1.96 1997/09/14 02:40:44 peter Exp $ | 39 * $Id: tty.c,v 1.97 1997/10/12 20:24:05 phk 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. --- 1433 unchanged lines hidden (view full) --- 1481 } 1482 splx(s); 1483 return (EWOULDBLOCK); 1484 } 1485 if (!ISSET(lflag, ICANON)) { 1486 int m = cc[VMIN]; 1487 long t = cc[VTIME]; 1488 struct timeval stime, timecopy; | 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. --- 1433 unchanged lines hidden (view full) --- 1481 } 1482 splx(s); 1483 return (EWOULDBLOCK); 1484 } 1485 if (!ISSET(lflag, ICANON)) { 1486 int m = cc[VMIN]; 1487 long t = cc[VTIME]; 1488 struct timeval stime, timecopy; |
| 1489 int x; | |
| 1490 1491 /* 1492 * Check each of the four combinations. 1493 * (m > 0 && t == 0) is the normal read case. 1494 * It should be fairly efficient, so we check that and its 1495 * companion case (m == 0 && t == 0) first. 1496 * For the other two cases, we compute the target sleep time 1497 * into slp. --- 879 unchanged lines hidden --- | 1489 1490 /* 1491 * Check each of the four combinations. 1492 * (m > 0 && t == 0) is the normal read case. 1493 * It should be fairly efficient, so we check that and its 1494 * companion case (m == 0 && t == 0) first. 1495 * For the other two cases, we compute the target sleep time 1496 * into slp. --- 879 unchanged lines hidden --- |