1 /*
2  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3  * Copyright (c) 2015-2017 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
41 main(void)
42 {
43 	struct {
44 		struct timespec ts;
45 		uint32_t pad[2];
46 	} t = {
47 		.pad = { 0xdeadbeef, 0xbadc0ded }
48 	};
49 
50 	if (syscall(__NR_clock_getres, CLOCK_REALTIME, &t.ts))
51 		perror_msg_and_skip("clock_getres CLOCK_REALTIME");
52 	printf("clock_getres(CLOCK_REALTIME, {tv_sec=%lld, tv_nsec=%llu})"
53 	       " = 0\n",
54 	       (long long) t.ts.tv_sec,
55 	       zero_extend_signed_to_ull(t.ts.tv_nsec));
56 
57 	if (syscall(__NR_clock_gettime, CLOCK_PROCESS_CPUTIME_ID, &t.ts))
58 		perror_msg_and_skip("clock_gettime CLOCK_PROCESS_CPUTIME_ID");
59 	printf("clock_gettime(CLOCK_PROCESS_CPUTIME_ID"
60 	       ", {tv_sec=%lld, tv_nsec=%llu}) = 0\n",
61 	       (long long) t.ts.tv_sec,
62 	       zero_extend_signed_to_ull(t.ts.tv_nsec));
63 
64 	t.ts.tv_sec = 0xdeface1;
65 	t.ts.tv_nsec = 0xdeface2;
66 	syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts);
67 	printf("clock_settime(CLOCK_THREAD_CPUTIME_ID"
68 	       ", {tv_sec=%lld, tv_nsec=%llu}) = -1 EINVAL (%m)\n",
69 	       (long long) t.ts.tv_sec,
70 	       zero_extend_signed_to_ull(t.ts.tv_nsec));
71 
72 	t.ts.tv_sec = 0xdeadbeefU;
73 	t.ts.tv_nsec = 0xfacefeedU;
74 	syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts);
75 	printf("clock_settime(CLOCK_THREAD_CPUTIME_ID"
76 	       ", {tv_sec=%lld, tv_nsec=%llu}) = -1 EINVAL (%m)\n",
77 	       (long long) t.ts.tv_sec,
78 	       zero_extend_signed_to_ull(t.ts.tv_nsec));
79 
80 	t.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
81 	t.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL;
82 	syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts);
83 	printf("clock_settime(CLOCK_THREAD_CPUTIME_ID"
84 	       ", {tv_sec=%lld, tv_nsec=%llu}) = -1 EINVAL (%m)\n",
85 	       (long long) t.ts.tv_sec,
86 	       zero_extend_signed_to_ull(t.ts.tv_nsec));
87 
88 	puts("+++ exited with 0 +++");
89 	return 0;
90 }
91 
92 #else
93 
94 SKIP_MAIN_UNDEFINED("__NR_clock_getres && __NR_clock_gettime && __NR_clock_settime")
95 
96 #endif
97