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 <sys/time.h>
35
36 static void
handler(int signo)37 handler(int signo)
38 {
39 }
40
41 int
main(void)42 main(void)
43 {
44 struct {
45 struct timespec ts;
46 uint32_t pad[2];
47 } req = {
48 .ts.tv_nsec = 0xc0de1,
49 .pad = { 0xdeadbeef, 0xbadc0ded }
50 }, rem = {
51 .ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },
52 .pad = { 0xdeadbeef, 0xbadc0ded }
53 };
54 const sigset_t set = {};
55 const struct sigaction act = { .sa_handler = handler };
56 const struct itimerval itv = { .it_value.tv_usec = 111111 };
57
58 if (nanosleep(&req.ts, NULL))
59 perror_msg_and_fail("nanosleep");
60 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, NULL) = 0\n",
61 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec);
62
63 assert(nanosleep(NULL, &rem.ts) == -1);
64 printf("nanosleep(NULL, %p) = -1 EFAULT (%m)\n", &rem.ts);
65
66 if (nanosleep(&req.ts, &rem.ts))
67 perror_msg_and_fail("nanosleep");
68 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, %p) = 0\n",
69 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts);
70
71 req.ts.tv_nsec = 1000000000;
72 assert(nanosleep(&req.ts, &rem.ts) == -1);
73 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, %p) = -1 EINVAL (%m)\n",
74 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts);
75
76 assert(sigaction(SIGALRM, &act, NULL) == 0);
77 assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
78
79 if (setitimer(ITIMER_REAL, &itv, NULL))
80 perror_msg_and_skip("setitimer");
81 printf("setitimer(ITIMER_REAL, {it_interval={tv_sec=%jd, tv_usec=%jd}"
82 ", it_value={tv_sec=%jd, tv_usec=%jd}}, NULL) = 0\n",
83 (intmax_t) itv.it_interval.tv_sec,
84 (intmax_t) itv.it_interval.tv_usec,
85 (intmax_t) itv.it_value.tv_sec,
86 (intmax_t) itv.it_value.tv_usec);
87
88 req.ts.tv_nsec = 999999999;
89 assert(nanosleep(&req.ts, &rem.ts) == -1);
90 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, {tv_sec=%jd, tv_nsec=%jd})"
91 " = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n",
92 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec,
93 (intmax_t) rem.ts.tv_sec, (intmax_t) rem.ts.tv_nsec);
94 puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
95
96 puts("+++ exited with 0 +++");
97 return 0;
98 }
99