1 /******************************************************************************
2 * Copyright (c) M. Koehrer <mathias_koehrer@arcor.de>, 2009 *
3 * Copyright (C) 2017 Cyril Hrubis <chrubis@suse.cz> *
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 * This tests the clock_nanosleep2() syscall.
22 */
23 #include <stdio.h>
24 #include <time.h>
25 #include <unistd.h>
26 #include <sys/syscall.h>
27
28 #include "tst_test.h"
29 #include "linux_syscall_numbers.h"
30
31 #define NSEC_IN_SEC 1000000000
32
33 const clockid_t CLOCK_TO_USE = CLOCK_MONOTONIC;
clock_nanosleep2(clockid_t clock_id,int flags,const struct timespec * req,struct timespec * rem)34 static int clock_nanosleep2(clockid_t clock_id, int flags,
35 const struct timespec *req, struct timespec *rem)
36 {
37 return tst_syscall(__NR_clock_nanosleep, clock_id, flags, req, rem);
38 }
39
verify_clock_nanosleep2(void)40 static void verify_clock_nanosleep2(void)
41 {
42 struct timespec ts;
43
44 clock_gettime(CLOCK_TO_USE, &ts);
45 ts.tv_nsec += NSEC_IN_SEC/10;
46 if (ts.tv_nsec >= NSEC_IN_SEC) {
47 ts.tv_sec += 1;
48 ts.tv_nsec %= NSEC_IN_SEC;
49 }
50
51 TEST(clock_nanosleep2(CLOCK_TO_USE, TIMER_ABSTIME, &ts, NULL));
52
53 if (TEST_RETURN)
54 tst_res(TFAIL | TTERRNO, "clock_nanosleep2() failed");
55 else
56 tst_res(TPASS, "clock_nanosleep2() passed");
57 }
58
59 static struct tst_test test = {
60 .tid = "clock_nanosleep2_01",
61 .test_all = verify_clock_nanosleep2,
62 };
63