1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* Check decoding of clock_nanosleep and clock_gettime syscalls.
*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2020 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#ifdef __NR_clock_nanosleep
# include <assert.h>
# include <stdio.h>
# include <stdint.h>
# include <signal.h>
# include <time.h>
# include <unistd.h>
# include <sys/time.h>
static void
handler(int signo)
{
}
int
main(void)
{
struct {
struct timespec ts;
uint32_t pad[2];
} req = {
.ts.tv_nsec = 0xc0de1,
.pad = { 0xdeadbeef, 0xbadc0ded }
}, rem = {
.ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },
.pad = { 0xdeadbeef, 0xbadc0ded }
};
const sigset_t set = {};
const struct sigaction act = { .sa_handler = handler };
const struct itimerval itv = {
.it_interval.tv_usec = 222222,
.it_value.tv_usec = 111111
};
if (syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0, &req.ts, NULL))
perror_msg_and_skip("clock_nanosleep CLOCK_REALTIME");
printf("clock_nanosleep(CLOCK_REALTIME, 0"
", {tv_sec=%lld, tv_nsec=%llu}, NULL) = 0\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec));
assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
NULL, &rem.ts) == -1);
printf("clock_nanosleep(CLOCK_REALTIME, 0, NULL, %p)"
" = -1 EFAULT (%m)\n", &rem.ts);
assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
&req.ts, &rem.ts) == 0);
printf("clock_nanosleep(CLOCK_REALTIME, 0"
", {tv_sec=%lld, tv_nsec=%llu}, %p) = 0\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
req.ts.tv_nsec = 999999999 + 1;
assert(syscall(__NR_clock_nanosleep, CLOCK_MONOTONIC, 0,
&req.ts, &rem.ts) == -1);
printf("clock_nanosleep(CLOCK_MONOTONIC, 0"
", {tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
req.ts.tv_sec = 0xdeadbeefU;
req.ts.tv_nsec = 0xfacefeedU;
assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
&req.ts, &rem.ts) == -1);
printf("clock_nanosleep(CLOCK_REALTIME, 0"
", {tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
req.ts.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
req.ts.tv_nsec = (long) 0xbadc0dedfacefeedLL;
assert(syscall(__NR_clock_nanosleep, CLOCK_MONOTONIC, 0,
&req.ts, &rem.ts) == -1);
printf("clock_nanosleep(CLOCK_MONOTONIC, 0"
", {tv_sec=%lld, tv_nsec=%llu}, %p) = -1 EINVAL (%m)\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
assert(sigaction(SIGALRM, &act, NULL) == 0);
assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
if (setitimer(ITIMER_REAL, &itv, NULL))
perror_msg_and_skip("setitimer");
req.ts.tv_sec = 0;
req.ts.tv_nsec = 999999999;
assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, 0,
&req.ts, &rem.ts) == -1);
printf("clock_nanosleep(CLOCK_REALTIME, 0"
", {tv_sec=%lld, tv_nsec=%llu}, {tv_sec=%lld, tv_nsec=%llu})"
" = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec),
(long long) rem.ts.tv_sec,
zero_extend_signed_to_ull(rem.ts.tv_nsec));
puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
assert(syscall(__NR_clock_gettime, CLOCK_REALTIME, &req.ts) == 0);
printf("clock_gettime(CLOCK_REALTIME, {tv_sec=%lld, tv_nsec=%llu}) = 0\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec));
++req.ts.tv_sec;
rem.ts.tv_sec = 0xc0de4;
rem.ts.tv_nsec = 0xc0de5;
assert(syscall(__NR_clock_nanosleep, CLOCK_REALTIME, TIMER_ABSTIME,
&req.ts, &rem.ts) == -1);
printf("clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME"
", {tv_sec=%lld, tv_nsec=%llu}, %p)"
" = ? ERESTARTNOHAND (To be restarted if no handler)\n",
(long long) req.ts.tv_sec,
zero_extend_signed_to_ull(req.ts.tv_nsec), &rem.ts);
puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_clock_nanosleep")
#endif
|
