1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) Crackerjack Project., 2007
4 * Porting from Crackerjack to LTP is done by:
5 *	Manas Kumar Nayak <maknayak@in.ibm.com>
6 * Copyright (c) 2013 Cyril Hrubis <chrubis@suse.cz>
7 */
8
9#include <time.h>
10#include <signal.h>
11#include <sys/syscall.h>
12#include <stdio.h>
13#include <errno.h>
14
15#include "time64_variants.h"
16#include "tst_timer.h"
17
18static struct time64_variants variants[] = {
19#if (__NR_timer_gettime != __LTP__NR_INVALID_SYSCALL)
20	{ .timer_gettime = sys_timer_gettime, .ts_type = TST_KERN_OLD_TIMESPEC, .desc = "syscall with old kernel spec"},
21#endif
22
23#if (__NR_timer_gettime64 != __LTP__NR_INVALID_SYSCALL)
24	{ .timer_gettime = sys_timer_gettime64, .ts_type = TST_KERN_TIMESPEC, .desc = "syscall time64 with kernel spec"},
25#endif
26};
27
28static kernel_timer_t timer;
29
30static void setup(void)
31{
32	struct sigevent ev;
33
34	tst_res(TINFO, "Testing variant: %s", variants[tst_variant].desc);
35
36	ev.sigev_value = (union sigval) 0;
37	ev.sigev_signo = SIGALRM;
38	ev.sigev_notify = SIGEV_SIGNAL;
39
40	TEST(tst_syscall(__NR_timer_create, CLOCK_REALTIME, &ev, &timer));
41
42	if (TST_RET) {
43		tst_res(TFAIL | TTERRNO, "timer_create() failed");
44		return;
45	}
46}
47
48static void verify(void)
49{
50	struct time64_variants *tv = &variants[tst_variant];
51	struct tst_its spec = {.type = tv->ts_type, };
52
53	TEST(tv->timer_gettime(timer, tst_its_get(&spec)));
54	if (TST_RET == 0) {
55		if (tst_its_get_interval_sec(spec) ||
56		    tst_its_get_interval_nsec(spec) ||
57		    tst_its_get_value_sec(spec) ||
58		    tst_its_get_value_nsec(spec))
59			tst_res(TFAIL, "timespec should have been zeroed");
60		else
61			tst_res(TPASS, "timer_gettime() Passed");
62	} else {
63		tst_res(TFAIL | TTERRNO, "timer_gettime() Failed");
64	}
65
66	TEST(tv->timer_gettime((kernel_timer_t)-1, tst_its_get(&spec)));
67	if (TST_RET == -1 && TST_ERR == EINVAL)
68		tst_res(TPASS, "timer_gettime(-1) Failed: EINVAL");
69	else
70		tst_res(TFAIL | TTERRNO, "timer_gettime(-1) = %li", TST_RET);
71
72	TEST(tv->timer_gettime(timer, NULL));
73	if (TST_RET == -1 && TST_ERR == EFAULT)
74		tst_res(TPASS, "timer_gettime(NULL) Failed: EFAULT");
75	else
76		tst_res(TFAIL | TTERRNO, "timer_gettime(-1) = %li", TST_RET);
77}
78
79static struct tst_test test = {
80	.test_all = verify,
81	.test_variants = ARRAY_SIZE(variants),
82	.setup = setup,
83	.needs_tmpdir = 1,
84};
85