1 /*
2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2015-2018 The strace developers.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "tests.h"
30 #include <stdio.h>
31 #include <stdint.h>
32 #include <time.h>
33 #include <unistd.h>
34 #include <asm/unistd.h>
35
36 #if defined __NR_clock_getres \
37 && defined __NR_clock_gettime \
38 && defined __NR_clock_settime
39
40 int
main(void)41 main(void)
42 {
43 struct {
44 struct timespec ts;
45 uint32_t pad[2];
46 } t = {
47 .pad = { 0xdeadbeef, 0xbadc0ded }
48 };
49 long rc;
50
51 if (syscall(__NR_clock_getres, CLOCK_REALTIME, &t.ts))
52 perror_msg_and_skip("clock_getres CLOCK_REALTIME");
53 printf("clock_getres(CLOCK_REALTIME, {tv_sec=%lld, tv_nsec=%llu})"
54 " = 0\n",
55 (long long) t.ts.tv_sec,
56 zero_extend_signed_to_ull(t.ts.tv_nsec));
57
58 if (syscall(__NR_clock_gettime, CLOCK_PROCESS_CPUTIME_ID, &t.ts))
59 perror_msg_and_skip("clock_gettime CLOCK_PROCESS_CPUTIME_ID");
60 printf("clock_gettime(CLOCK_PROCESS_CPUTIME_ID"
61 ", {tv_sec=%lld, tv_nsec=%llu}) = 0\n",
62 (long long) t.ts.tv_sec,
63 zero_extend_signed_to_ull(t.ts.tv_nsec));
64
65 t.ts.tv_sec = 0xdeface1;
66 t.ts.tv_nsec = 0xdeface2;
67 rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts);
68 printf("clock_settime(CLOCK_THREAD_CPUTIME_ID"
69 ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
70 (long long) t.ts.tv_sec,
71 zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc));
72
73 t.ts.tv_sec = 0xdeadbeefU;
74 t.ts.tv_nsec = 0xfacefeedU;
75 rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts);
76 printf("clock_settime(CLOCK_THREAD_CPUTIME_ID"
77 ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
78 (long long) t.ts.tv_sec,
79 zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc));
80
81 t.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
82 t.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL;
83 rc = syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts);
84 printf("clock_settime(CLOCK_THREAD_CPUTIME_ID"
85 ", {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
86 (long long) t.ts.tv_sec,
87 zero_extend_signed_to_ull(t.ts.tv_nsec), sprintrc(rc));
88
89 puts("+++ exited with 0 +++");
90 return 0;
91 }
92
93 #else
94
95 SKIP_MAIN_UNDEFINED("__NR_clock_getres && __NR_clock_gettime && __NR_clock_settime")
96
97 #endif
98