1 /*-
2 * Copyright (c) 2008 Peter Holm <pho@FreeBSD.org>
3 * 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
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 */
27
28 /* Test PTYs */
29
30 #include <sys/types.h>
31 #include <sys/ioctl.h>
32 #include <err.h>
33 #include <libutil.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <termios.h>
37 #include <unistd.h>
38
39 #include "stress.h"
40
41 #define TXT "Hello, world!"
42
43 int
setup(int nb __unused)44 setup(int nb __unused)
45 {
46 return (0);
47 }
48
49 void
cleanup(void)50 cleanup(void)
51 {
52 }
53
54 int
test(void)55 test(void)
56 {
57 struct termios tios;
58 int i, master, slave;
59 int s[32], m[32];
60 char buf[512], slname[1025];
61
62 for (i = 0; i < 32; i++) {
63 if (openpty(&m[i], &s[i], slname, NULL, NULL) == -1)
64 err(1, "openpty");
65 }
66 for (i = 0; i < 32; i++) {
67 close(m[i]);
68 close(s[i]);
69 }
70
71 for (i = 0; i < 1024; i++) {
72 if (openpty(&m[0], &s[0], slname, NULL, NULL) == -1)
73 err(1, "openpty");
74 close(m[0]);
75 close(s[0]);
76 }
77
78 for (i = 0; i < 10 && done_testing == 0; i++) {
79 if (openpty(&master, &slave, slname, NULL, NULL) == -1)
80 err(1, "openpty");
81 if ((i & 1) == 0) {
82 if (close(master) == -1)
83 err(1, "close(master)");
84 if (close(slave) == -1)
85 err(1, "close(%s)", slname);
86 } else {
87 if (close(slave) == -1)
88 err(1, "close(%s)", slname);
89 if (close(master) == -1)
90 err(1, "close(master)");
91 }
92 }
93
94 if (openpty(&master, &slave, slname, NULL, NULL) == -1)
95 err(1, "openpty");
96 if (tcgetattr(slave, &tios) < 0)
97 err(1, "tcgetattr(%s)", slname);
98 cfmakeraw(&tios);
99 if (tcsetattr(slave, TCSAFLUSH, &tios) < 0)
100 err(1, "tcsetattr(%s)", slname);
101
102 for (i = 0; i < 64 && done_testing == 0; i++) {
103 if (write(master, TXT, sizeof(TXT)) == -1)
104 err(1, "write");
105 if (read(slave, buf, sizeof(TXT)) == -1)
106 err(1, "read(%s)", slname);
107 }
108 close(master);
109 close(slave);
110 return (0);
111 }
112