1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) M. Koehrer <mathias_koehrer@arcor.de>, 2009
4 * Copyright (C) 2017 Cyril Hrubis <chrubis@suse.cz>
5 */
6
7 #include <stdio.h>
8 #include <time.h>
9 #include <unistd.h>
10 #include "time64_variants.h"
11 #include "tst_safe_clocks.h"
12 #include "tst_timer.h"
13
14 static clockid_t tcase[] = {
15 CLOCK_MONOTONIC,
16 CLOCK_REALTIME,
17 };
18
19 static struct time64_variants variants[] = {
20 { .clock_gettime = libc_clock_gettime, .clock_nanosleep = libc_clock_nanosleep, .ts_type = TST_LIBC_TIMESPEC, .desc = "vDSO or syscall with libc spec"},
21
22 #if (__NR_clock_nanosleep != __LTP__NR_INVALID_SYSCALL)
23 { .clock_gettime = sys_clock_gettime, .clock_nanosleep = sys_clock_nanosleep, .ts_type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
24 #endif
25
26 #if (__NR_clock_nanosleep_time64 != __LTP__NR_INVALID_SYSCALL)
27 { .clock_gettime = sys_clock_gettime64, .clock_nanosleep = sys_clock_nanosleep64, .ts_type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
28 #endif
29 };
30
setup(void)31 void setup(void)
32 {
33 tst_res(TINFO, "Testing variant: %s", variants[tst_variant].desc);
34 }
35
do_test(unsigned int i)36 static void do_test(unsigned int i)
37 {
38 struct time64_variants *tv = &variants[tst_variant];
39 struct tst_ts ts = {.type = tv->ts_type};
40
41 TEST(tv->clock_gettime(tcase[i], tst_ts_get(&ts)));
42 if (TST_RET == -1) {
43 tst_res(TFAIL | TTERRNO, "clock_gettime(2) failed for clock %s",
44 tst_clock_name(tcase[i]));
45 return;
46 }
47
48 ts = tst_ts_add_us(ts, 10000);
49
50 TEST(tv->clock_nanosleep(tcase[i], TIMER_ABSTIME, tst_ts_get(&ts), NULL));
51
52 if (TST_RET) {
53 tst_res(TFAIL | TTERRNO, "clock_nanosleep(2) failed for clock %s",
54 tst_clock_name(tcase[i]));
55 }
56
57 tst_res(TPASS, "clock_nanosleep(2) passed for clock %s",
58 tst_clock_name(tcase[i]));
59 }
60
61 static struct tst_test test = {
62 .tcnt = ARRAY_SIZE(tcase),
63 .test = do_test,
64 .test_variants = ARRAY_SIZE(variants),
65 .setup = setup,
66 };
67