1 /*
2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
15 *
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.
26 */
27
28 #include "tests.h"
29 #include <fcntl.h>
30 #include <asm/unistd.h>
31
32 #if defined __NR_timerfd_create \
33 && defined __NR_timerfd_gettime \
34 && defined __NR_timerfd_settime \
35 && defined O_CLOEXEC
36
37 # include <stdio.h>
38 # include <stdint.h>
39 # include <time.h>
40 # include <unistd.h>
41
42 int
main(void)43 main(void)
44 {
45 (void) close(0);
46 if (syscall(__NR_timerfd_create, CLOCK_MONOTONIC, O_CLOEXEC | O_NONBLOCK))
47 perror_msg_and_skip("timerfd_create");
48 puts("timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC|TFD_NONBLOCK) = 0");
49
50 struct {
51 struct itimerspec its;
52 uint32_t pad[4];
53 } old = {
54 .its = {
55 .it_interval = { 0xdeface5, 0xdeface6 },
56 .it_value = { 0xdeface7, 0xdeface8 }
57 },
58 .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
59 }, new = {
60 .its = {
61 .it_interval = { 0xdeface1, 0xdeface2 },
62 .it_value = { 0xdeface3, 0xdeface4 }
63 },
64 .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
65 };
66
67 if (syscall(__NR_timerfd_settime, 0, 0, &new.its, &old.its))
68 perror_msg_and_skip("timerfd_settime");
69 printf("timerfd_settime(0, 0"
70 ", {it_interval={tv_sec=%jd, tv_nsec=%jd}"
71 ", it_value={tv_sec=%jd, tv_nsec=%jd}}"
72 ", {it_interval={tv_sec=%jd, tv_nsec=%jd}"
73 ", it_value={tv_sec=%jd, tv_nsec=%jd}}"
74 ") = 0\n",
75 (intmax_t) new.its.it_interval.tv_sec,
76 (intmax_t) new.its.it_interval.tv_nsec,
77 (intmax_t) new.its.it_value.tv_sec,
78 (intmax_t) new.its.it_value.tv_nsec,
79 (intmax_t) old.its.it_interval.tv_sec,
80 (intmax_t) old.its.it_interval.tv_nsec,
81 (intmax_t) old.its.it_value.tv_sec,
82 (intmax_t) old.its.it_value.tv_nsec);
83
84 if (syscall(__NR_timerfd_gettime, 0, &old.its))
85 perror_msg_and_skip("timerfd_gettime");
86 printf("timerfd_gettime(0"
87 ", {it_interval={tv_sec=%jd, tv_nsec=%jd}"
88 ", it_value={tv_sec=%jd, tv_nsec=%jd}}) = 0\n",
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);
93
94 puts("+++ exited with 0 +++");
95 return 0;
96 }
97
98 #else
99
100 SKIP_MAIN_UNDEFINED("__NR_timerfd_create && __NR_timerfd_gettime"
101 " && __NR_timerfd_settime && O_CLOEXEC")
102
103 #endif
104