2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <sys/syscall.h>
35 #if defined __NR_clock_getres \
36 && defined __NR_clock_gettime \
37 && defined __NR_clock_settime
46 .pad = { 0xdeadbeef, 0xbadc0ded }
49 if (syscall(__NR_clock_getres, CLOCK_REALTIME, &t.ts))
50 perror_msg_and_skip("clock_getres CLOCK_REALTIME");
51 printf("clock_getres(CLOCK_REALTIME, {%jd, %jd}) = 0\n",
52 (intmax_t) t.ts.tv_sec,
53 (intmax_t) t.ts.tv_nsec);
55 if (syscall(__NR_clock_gettime, CLOCK_PROCESS_CPUTIME_ID, &t.ts))
56 perror_msg_and_skip("clock_gettime CLOCK_PROCESS_CPUTIME_ID");
57 printf("clock_gettime(CLOCK_PROCESS_CPUTIME_ID, {%jd, %jd}) = 0\n",
58 (intmax_t) t.ts.tv_sec,
59 (intmax_t) t.ts.tv_nsec);
61 t.ts.tv_sec = 0xdeface1;
62 t.ts.tv_nsec = 0xdeface2;
63 if (!syscall(__NR_clock_settime, CLOCK_THREAD_CPUTIME_ID, &t.ts))
64 error_msg_and_skip("clock_settime CLOCK_THREAD_CPUTIME_ID:"
66 printf("clock_settime(CLOCK_THREAD_CPUTIME_ID, {%jd, %jd})"
67 " = -1 EINVAL (%m)\n",
68 (intmax_t) t.ts.tv_sec,
69 (intmax_t) t.ts.tv_nsec);
71 puts("+++ exited with 0 +++");
77 SKIP_MAIN_UNDEFINED("__NR_clock_getres && __NR_clock_gettime && __NR_clock_settime")