1 // SPDX-License-Identifier: GPL-2.0
2
3 /*
4 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
5 * AUTHOR: Saji Kumar.V.R <saji.kumar@wipro.com>
6 */
7
8 #include <errno.h>
9 #include <sys/timex.h>
10 #include "tst_test.h"
11
12 #define SET_MODE (ADJ_OFFSET | ADJ_FREQUENCY | ADJ_MAXERROR | ADJ_ESTERROR | \
13 ADJ_STATUS | ADJ_TIMECONST | ADJ_TICK)
14
15 static struct timex *tim_save;
16 static struct timex *buf;
17
verify_adjtimex(void)18 void verify_adjtimex(void)
19 {
20 *buf = *tim_save;
21 buf->modes = SET_MODE;
22 TEST(adjtimex(buf));
23 if ((TST_RET >= TIME_OK) && (TST_RET <= TIME_ERROR)) {
24 tst_res(TPASS, "adjtimex() with mode 0x%x ", SET_MODE);
25 } else {
26 tst_res(TFAIL | TTERRNO, "adjtimex() with mode 0x%x ",
27 SET_MODE);
28 }
29
30 buf->modes = ADJ_OFFSET_SINGLESHOT;
31 TEST(adjtimex(buf));
32 if ((TST_RET >= TIME_OK) && (TST_RET <= TIME_ERROR)) {
33 tst_res(TPASS, "adjtimex() with mode 0x%x ",
34 ADJ_OFFSET_SINGLESHOT);
35 } else {
36 tst_res(TFAIL | TTERRNO,
37 "adjtimex() with mode 0x%x ",
38 ADJ_OFFSET_SINGLESHOT);
39 }
40 }
41
setup(void)42 static void setup(void)
43 {
44 tim_save->modes = 0;
45
46 /* Save current parameters */
47 if ((adjtimex(tim_save)) == -1) {
48 tst_brk(TBROK | TERRNO,
49 "adjtimex(): failed to save current params");
50 }
51 }
52
53 static struct tst_test test = {
54 .needs_root = 1,
55 .setup = setup,
56 .test_all = verify_adjtimex,
57 .bufs = (struct tst_buffers []) {
58 {&buf, .size = sizeof(*buf)},
59 {&tim_save, .size = sizeof(*tim_save)},
60 {},
61 }
62 };
63