1 /******************************************************************************
2 *
3 * Copyright © International Business Machines Corp., 2005, 2008
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 * NAME
20 * test-skeleton.c
21 *
22 * DESCRIPTION
23 *
24 *
25 *
26 * USAGE:
27 * Use run_auto.sh script in current directory to build and run test.
28 *
29 * AUTHOR
30 *
31 *
32 * HISTORY
33 *
34 *
35 *****************************************************************************/
36
37 #include <errno.h>
38 #include <signal.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <unistd.h>
42 #include <sys/wait.h>
43 #include <time.h>
44 #include <librttest.h>
45
usage(void)46 void usage(void)
47 {
48 rt_help();
49 printf("testpi-5 and 6 specific options:\n");
50 }
51
parse_args(int c,char * v)52 int parse_args(int c, char *v)
53 {
54
55 int handled = 1;
56 switch (c) {
57 case 'h':
58 usage();
59 exit(0);
60 default:
61 handled = 0;
62 break;
63 }
64 return handled;
65 }
66
67 #define TEST_FUNCTION do_test(argc, argv)
68 #define TIMEOUT 20
69
70 static pid_t pid;
71
timeout_handler(int sig)72 static void timeout_handler(int sig)
73 {
74 int i, killed, status;
75 struct timespec ts = {.tv_sec = 0,.tv_nsec = 100000000 };
76
77 printf("Inside the timeout handler, killing the TC threads \n");
78 kill(pid, SIGKILL);
79 for (i = 0; i < 5; i++) {
80 killed = waitpid(pid, &status, WNOHANG | WUNTRACED);
81 if (0 != killed)
82 break;
83 nanosleep(&ts, NULL);
84 }
85
86 if (0 != killed && pid != killed) {
87 printf("\n Failed to kill child process ");
88 exit(1);
89 }
90 printf("\nResult:PASS\n");
91 exit(1);
92 }
93
main(int argc,char ** argv)94 int main(int argc, char **argv)
95 {
96 pid_t termpid;
97 int status;
98 setup();
99
100 rt_init("h", parse_args, argc, argv);
101
102 pid = fork();
103 if (0 == pid) {
104 exit(TEST_FUNCTION);
105 } else if (pid < 0) {
106 printf("\n Cannot fork test program \n");
107 exit(1);
108 }
109
110 signal(SIGALRM, timeout_handler);
111 alarm(TIMEOUT);
112
113 do {
114 termpid = waitpid(pid, &status, 0);
115 } while (termpid == -1 && errno == EINTR);
116
117 if (termpid == -1) {
118 printf("\n Waiting for test program failed, Exiting \n");
119 exit(1);
120 }
121
122 return 0;
123 }
124