1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate * The Regents of the University of California
33*0Sstevel@tonic-gate * All Rights Reserved
34*0Sstevel@tonic-gate *
35*0Sstevel@tonic-gate * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate * contributors.
38*0Sstevel@tonic-gate */
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate /*LINTLIBRARY*/
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate #include <sys/types.h>
45*0Sstevel@tonic-gate #include "curses_inc.h"
46*0Sstevel@tonic-gate #include <fcntl.h>
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate /*
49*0Sstevel@tonic-gate * Set the current time-out period for getting input.
50*0Sstevel@tonic-gate *
51*0Sstevel@tonic-gate * delay: < 0 for infinite delay (blocking read)
52*0Sstevel@tonic-gate * = 0 for no delay read
53*0Sstevel@tonic-gate * > 0 to specify a period in millisecs to wait
54*0Sstevel@tonic-gate * for input, then return '\0' if none comes
55*0Sstevel@tonic-gate */
56*0Sstevel@tonic-gate
57*0Sstevel@tonic-gate static void _setblock(int), _settimeout(int);
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate int
ttimeout(int delay)60*0Sstevel@tonic-gate ttimeout(int delay)
61*0Sstevel@tonic-gate {
62*0Sstevel@tonic-gate if (cur_term->_inputfd < 0)
63*0Sstevel@tonic-gate return (ERR);
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate if (delay < 0)
66*0Sstevel@tonic-gate delay = -1;
67*0Sstevel@tonic-gate
68*0Sstevel@tonic-gate if (cur_term->_delay == delay)
69*0Sstevel@tonic-gate goto good;
70*0Sstevel@tonic-gate
71*0Sstevel@tonic-gate #ifdef SYSV
72*0Sstevel@tonic-gate if (delay > 0) {
73*0Sstevel@tonic-gate if (cur_term->_delay < 0)
74*0Sstevel@tonic-gate _setblock(-delay);
75*0Sstevel@tonic-gate _settimeout(delay);
76*0Sstevel@tonic-gate } else
77*0Sstevel@tonic-gate if ((delay + cur_term->_delay) == -1)
78*0Sstevel@tonic-gate _setblock(delay);
79*0Sstevel@tonic-gate else {
80*0Sstevel@tonic-gate if (delay < 0)
81*0Sstevel@tonic-gate _setblock(delay);
82*0Sstevel@tonic-gate _settimeout(delay);
83*0Sstevel@tonic-gate }
84*0Sstevel@tonic-gate #else /* SYSV */
85*0Sstevel@tonic-gate cbreak();
86*0Sstevel@tonic-gate #endif /* SYSV */
87*0Sstevel@tonic-gate
88*0Sstevel@tonic-gate cur_term->_delay = delay;
89*0Sstevel@tonic-gate good:
90*0Sstevel@tonic-gate return (OK);
91*0Sstevel@tonic-gate }
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate #ifdef SYSV
94*0Sstevel@tonic-gate /* set the terminal to nodelay (==0) or block(<0) */
95*0Sstevel@tonic-gate static void
_setblock(int block)96*0Sstevel@tonic-gate _setblock(int block)
97*0Sstevel@tonic-gate {
98*0Sstevel@tonic-gate int flags = fcntl(cur_term->_inputfd, F_GETFL, 0);
99*0Sstevel@tonic-gate
100*0Sstevel@tonic-gate if (block < 0)
101*0Sstevel@tonic-gate flags &= ~O_NDELAY;
102*0Sstevel@tonic-gate else
103*0Sstevel@tonic-gate flags |= O_NDELAY;
104*0Sstevel@tonic-gate
105*0Sstevel@tonic-gate (void) fcntl(cur_term->_inputfd, F_SETFL, flags);
106*0Sstevel@tonic-gate }
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate /*
109*0Sstevel@tonic-gate * set the terminal to timeout in t milliseconds,
110*0Sstevel@tonic-gate * rounded up to the nearest 10th of a second.
111*0Sstevel@tonic-gate */
112*0Sstevel@tonic-gate static void
_settimeout(int num)113*0Sstevel@tonic-gate _settimeout(int num)
114*0Sstevel@tonic-gate {
115*0Sstevel@tonic-gate PROGTTYS.c_lflag &= ~ICANON;
116*0Sstevel@tonic-gate if (num > 0) {
117*0Sstevel@tonic-gate PROGTTYS.c_cc[VMIN] = 0;
118*0Sstevel@tonic-gate PROGTTYS.c_cc[VTIME] = (num > 25500) ? 255 : (num + 99) / 100;
119*0Sstevel@tonic-gate cur_term->_fl_rawmode = 3;
120*0Sstevel@tonic-gate } else {
121*0Sstevel@tonic-gate PROGTTYS.c_cc[VMIN] = 1;
122*0Sstevel@tonic-gate PROGTTYS.c_cc[VTIME] = 0;
123*0Sstevel@tonic-gate cur_term->_fl_rawmode = 1;
124*0Sstevel@tonic-gate }
125*0Sstevel@tonic-gate (void) reset_prog_mode();
126*0Sstevel@tonic-gate }
127*0Sstevel@tonic-gate #endif /* SYSV */
128