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 <assert.h>
30 #include <stdio.h>
31 #include <stdint.h>
32 #include <signal.h>
33 #include <time.h>
34 #include <unistd.h>
35 #include <sys/time.h>
36 #include <asm/unistd.h>
37
38 static void
handler(int signo)39 handler(int signo)
40 {
41 }
42
43 int
main(void)44 main(void)
45 {
46 struct {
47 struct timespec ts;
48 uint32_t pad[2];
49 } req = {
50 .ts.tv_nsec = 0xc0de1,
51 .pad = { 0xdeadbeef, 0xbadc0ded }
52 }, rem = {
53 .ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },
54 .pad = { 0xdeadbeef, 0xbadc0ded }
55 };
56 const sigset_t set = {};
57 const struct sigaction act = { .sa_handler = handler };
58 const struct itimerval itv = {
59 .it_interval.tv_usec = 222222,
60 .it_value.tv_usec = 111111
61 };
62
63 if (syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0, &req.ts, NULL))
64 perror_msg_and_skip("clock_nanosleep CLOCK_REALTIME");
65 printf("clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=%jd, tv_nsec=%jd}, "
66 "NULL) = 0\n",
67 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec);
68
69 assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
70 NULL, &rem.ts) == -1);
71 printf("clock_nanosleep(CLOCK_REALTIME, 0, NULL, %p)"
72 " = -1 EFAULT (%m)\n", &rem.ts);
73
74 assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
75 &req.ts, &rem.ts) == 0);
76 printf("clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=%jd, tv_nsec=%jd}, "
77 "%p) = 0\n",
78 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts);
79
80 req.ts.tv_nsec = 999999999 + 1;
81 assert(syscall(__NR_clock_nanosleep, CLOCK_MONOTONIC, 0,
82 &req.ts, &rem.ts) == -1);
83 printf("clock_nanosleep(CLOCK_MONOTONIC, 0"
84 ", {tv_sec=%jd, tv_nsec=%jd}, %p) = -1 EINVAL (%m)\n",
85 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts);
86
87 assert(sigaction(SIGALRM, &act, NULL) == 0);
88 assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
89
90 if (setitimer(ITIMER_REAL, &itv, NULL))
91 perror_msg_and_skip("setitimer");
92 printf("setitimer(ITIMER_REAL, {it_interval={tv_sec=%jd, tv_usec=%jd}"
93 ", it_value={tv_sec=%jd, tv_usec=%jd}}, NULL) = 0\n",
94 (intmax_t) itv.it_interval.tv_sec,
95 (intmax_t) itv.it_interval.tv_usec,
96 (intmax_t) itv.it_value.tv_sec,
97 (intmax_t) itv.it_value.tv_usec);
98
99 --req.ts.tv_nsec;
100 assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
101 &req.ts, &rem.ts) == -1);
102 printf("clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=%jd, tv_nsec=%jd}, "
103 "{tv_sec=%jd, tv_nsec=%jd})"
104 " = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n",
105 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec,
106 (intmax_t) rem.ts.tv_sec, (intmax_t) rem.ts.tv_nsec);
107 puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
108
109 assert(syscall(__NR_clock_gettime, CLOCK_REALTIME, &req.ts) == 0);
110 printf("clock_gettime(CLOCK_REALTIME, {tv_sec=%jd, tv_nsec=%jd}) = 0\n",
111 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec);
112
113 ++req.ts.tv_sec;
114 rem.ts.tv_sec = 0xc0de4;
115 rem.ts.tv_nsec = 0xc0de5;
116 assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, TIMER_ABSTIME,
117 &req.ts, &rem.ts) == -1);
118 printf("clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME, {tv_sec=%jd, "
119 "tv_nsec=%jd}, %p)"
120 " = ? ERESTARTNOHAND (To be restarted if no handler)\n",
121 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts);
122 puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
123
124 puts("+++ exited with 0 +++");
125 return 0;
126 }
127