2 * Copyright (c) 2015 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.
37 #include <sys/syscall.h>
39 #if defined __NR_timer_create \
40 && defined __NR_timer_gettime \
41 && defined __NR_timer_settime
47 struct sigevent sev = { .sigev_notify = SIGEV_NONE };
49 if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid))
51 printf("timer_create(CLOCK_MONOTONIC, {sigev_signo=0"
52 ", sigev_notify=SIGEV_NONE}, [%d]) = 0\n", tid);
55 struct itimerspec its;
58 .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
61 .it_interval = { 0xdeface1, 0xdeface2 },
62 .it_value = { 0xdeface3, 0xdeface4 }
64 .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
67 if (syscall(__NR_timer_settime, tid, 0, &new.its, &old.its))
69 printf("timer_settime(%d, 0"
70 ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
71 ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
74 (intmax_t) new.its.it_interval.tv_sec,
75 (intmax_t) new.its.it_interval.tv_nsec,
76 (intmax_t) new.its.it_value.tv_sec,
77 (intmax_t) new.its.it_value.tv_nsec,
78 (intmax_t) old.its.it_interval.tv_sec,
79 (intmax_t) old.its.it_interval.tv_nsec,
80 (intmax_t) old.its.it_value.tv_sec,
81 (intmax_t) old.its.it_value.tv_nsec);
83 if (syscall(__NR_timer_gettime, tid, &old.its))
85 printf("timer_gettime(%d"
86 ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
89 (intmax_t) old.its.it_interval.tv_sec,
90 (intmax_t) old.its.it_interval.tv_nsec,
91 (intmax_t) old.its.it_value.tv_sec,
92 (intmax_t) old.its.it_value.tv_nsec);
94 puts("+++ exited with 0 +++");