1 /*
2  * Copyright (c) International Business Machines  Corp., 2001
3  *  07/2001 Ported by Wayne Boyer
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 Foundation,
17  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 /*
21  * Test Description:
22  *  Verify that nanosleep() will fail to suspend the execution
23  *  of a process if the specified pause time is invalid.
24  *
25  * Expected Result:
26  *  nanosleep() should return with -1 value and sets errno to EINVAL.
27  */
28 
29 #include <errno.h>
30 #include <unistd.h>
31 #include <fcntl.h>
32 #include <sys/wait.h>
33 #include <time.h>
34 
35 #include "test.h"
36 
37 static struct timespec tcases[] = {
38 	{.tv_sec = -5, .tv_nsec = 9999},
39 	{.tv_sec = 0, .tv_nsec = 1000000000},
40 };
41 
42 char *TCID = "nanosleep04";
43 int TST_TOTAL = ARRAY_SIZE(tcases);
44 
45 static void setup(void);
46 
47 static void verify_nanosleep(struct timespec *tcase)
48 {
49 	TEST(nanosleep(tcase, NULL));
50 
51 	if (TEST_RETURN != -1) {
52 		tst_resm(TFAIL, "nanosleep() succeded unexpectedly");
53 		return;
54 	}
55 
56 	if (TEST_ERRNO != EINVAL) {
57 		tst_resm(TFAIL | TTERRNO,
58 		         "nanosleep() expected failure with EINVAL");
59 		return;
60 	}
61 
62 	tst_resm(TPASS, "nanoslep() failed with EINVAL");
63 }
64 
65 int main(int ac, char **av)
66 {
67 	int lc, i;
68 
69 	tst_parse_opts(ac, av, NULL, NULL);
70 
71 	setup();
72 
73 	for (lc = 0; TEST_LOOPING(lc); lc++) {
74 		for (i = 0; i < TST_TOTAL; i++)
75 			verify_nanosleep(&tcases[i]);
76 	}
77 
78 	tst_exit();
79 }
80 
81 static void setup(void)
82 {
83 	tst_sig(FORK, DEF_HANDLER, NULL);
84 
85 	TEST_PAUSE;
86 }
87