1 /*
2 *
3 * Copyright (c) International Business Machines Corp., 2001
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 /*
21 * NAME
22 * vhangup02.c
23 *
24 * DESCRIPTION
25 * To test the basic functionality of vhangup(2)
26 *
27 *
28 * USAGE: <for command-line>
29 * vhangup02 [-c n] [-e] [-i n] [-I x] [-P x] [-t]
30 * where, -c n : Run n copies concurrently.
31 * -i n : Execute test n times.
32 * -I x : Execute test for x seconds.
33 * -P x : Pause for x seconds between iterations.
34 * -t : Turn on syscall timing.
35 * History
36 * 07/2001 John George
37 * -Ported
38 *
39 * Restrictions
40 * None
41 */
42
43 #include <unistd.h>
44 #include <sys/types.h>
45 #include <errno.h>
46 #include <pwd.h>
47 #include <sys/wait.h>
48 #include "test.h"
49
50 void setup(void);
51 void cleanup(void);
52
53 char *TCID = "vhangup02";
54 int TST_TOTAL = 1;
55
56 int fail;
57
main(int argc,char ** argv)58 int main(int argc, char **argv)
59 {
60 int lc;
61
62 pid_t pid, pid1;
63 int status;
64
65 tst_parse_opts(argc, argv, NULL, NULL);
66
67 setup();
68
69 for (lc = 0; TEST_LOOPING(lc); lc++) {
70 /* reset tst_count in case we are looping */
71 tst_count = 0;
72
73 fail = 0;
74
75 if ((pid = FORK_OR_VFORK()) < 0) {
76 tst_brkm(TFAIL, cleanup, "fork failed");
77 } else if (pid > 0) { /* parent */
78 waitpid(pid, &status, 0);
79 _exit(0);
80 } else { /* child */
81 pid1 = setsid();
82 if (pid1 < 0) {
83 tst_brkm(TFAIL, cleanup, "setsid failed");
84 }
85 TEST(vhangup());
86 if (TEST_RETURN == -1) {
87 tst_resm(TFAIL, "vhangup() failed, errno:%d",
88 errno);
89 } else {
90 tst_resm(TPASS, "vhangup() succeeded");
91 }
92 }
93 }
94 cleanup();
95 tst_exit();
96
97 }
98
99 /*
100 * setup()
101 * performs all ONE TIME setup for this test
102 */
setup(void)103 void setup(void)
104 {
105 /* Pause if that option was specified
106 * TEST_PAUSE contains the code to fork the test with the -c option.
107 */
108 TEST_PAUSE;
109 }
110
111 /*
112 * cleanup()
113 * performs all ONE TIME cleanup for this test at
114 * completion or premature exit
115 */
cleanup(void)116 void cleanup(void)
117 {
118
119 }
120