1/*
2 * Check decoding of nanosleep syscall.
3 *
4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Copyright (c) 2015-2017 The strace developers.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "tests.h"
32#include <assert.h>
33#include <stdio.h>
34#include <stdint.h>
35#include <signal.h>
36#include <time.h>
37#include <sys/time.h>
38
39static void
40handler(int signo)
41{
42}
43
44int
45main(void)
46{
47	struct {
48		struct timespec ts;
49		uint32_t pad[2];
50	} req = {
51		.ts.tv_nsec = 0xc0de1,
52		.pad = { 0xdeadbeef, 0xbadc0ded }
53	}, rem = {
54		.ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },
55		.pad = { 0xdeadbeef, 0xbadc0ded }
56	};
57	const sigset_t set = {};
58	const struct sigaction act = { .sa_handler = handler };
59	const struct itimerval itv = { .it_value.tv_usec = 111111 };
60
61	if (nanosleep(&req.ts, NULL))
62		perror_msg_and_fail("nanosleep");
63	printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, NULL) = 0\n",
64	       (long long) req.ts.tv_sec,
65	       zero_extend_signed_to_ull(req.ts.tv_nsec));
66
67	assert(nanosleep(NULL, &rem.ts) == -1);
68	printf("nanosleep(NULL, %p) = -1 EFAULT (%m)\n", &rem.ts);
69
70	if (nanosleep(&req.ts, &rem.ts))
71		perror_msg_and_fail("nanosleep");
72	printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = 0\n",
73	       (long long) req.ts.tv_sec,
74	       zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
75
76	req.ts.tv_nsec = 1000000000;
77	assert(nanosleep(&req.ts, &rem.ts) == -1);
78	printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
79	       (long long) req.ts.tv_sec,
80	       zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
81
82	req.ts.tv_sec = 0xdeadbeefU;
83	req.ts.tv_nsec = 0xfacefeedU;
84	assert(nanosleep(&req.ts, &rem.ts) == -1);
85	printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
86	       (long long) req.ts.tv_sec,
87	       zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
88
89	req.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
90	req.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL;
91	assert(nanosleep(&req.ts, &rem.ts) == -1);
92	printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
93	       (long long) req.ts.tv_sec,
94	       zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
95
96	req.ts.tv_sec = -1;
97	req.ts.tv_nsec = -1;
98	assert(nanosleep(&req.ts, &rem.ts) == -1);
99	printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
100	       (long long) req.ts.tv_sec,
101	       zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
102
103	assert(sigaction(SIGALRM, &act, NULL) == 0);
104	assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
105
106	if (setitimer(ITIMER_REAL, &itv, NULL))
107		perror_msg_and_skip("setitimer");
108
109	req.ts.tv_sec = 0;
110	req.ts.tv_nsec = 999999999;
111	assert(nanosleep(&req.ts, &rem.ts) == -1);
112	printf("nanosleep({tv_sec=%lld, tv_nsec=%llu}"
113	       ", {tv_sec=%lld, tv_nsec=%llu})"
114	       " = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n",
115	       (long long) req.ts.tv_sec,
116	       zero_extend_signed_to_ull(req.ts.tv_nsec),
117	       (long long) rem.ts.tv_sec,
118	       zero_extend_signed_to_ull(rem.ts.tv_nsec));
119	puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
120
121	puts("+++ exited with 0 +++");
122	return 0;
123}
124