2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3 * Copyright (c) 2015-2019 The strace developers.
6 * SPDX-License-Identifier: GPL-2.0-or-later
13 #if defined __NR_timerfd_create \
14 && defined __NR_timerfd_gettime \
15 && defined __NR_timerfd_settime \
27 if (syscall(__NR_timerfd_create, CLOCK_MONOTONIC, O_CLOEXEC | O_NONBLOCK))
28 perror_msg_and_skip("timerfd_create");
29 puts("timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC|TFD_NONBLOCK) = 0");
31 TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerspec, its_new);
32 TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerspec, its_old);
34 its_new->it_interval.tv_sec = 0xdeadbeefU;
35 its_new->it_interval.tv_nsec = 0xfacefeedU;
36 its_new->it_value.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
37 its_new->it_value.tv_nsec = (long) 0xbadc0dedfacefeedLL;
39 long rc = syscall(__NR_timerfd_settime, 0, 0, its_new, its_old);
40 printf("timerfd_settime(0, 0"
41 ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
42 ", it_value={tv_sec=%lld, tv_nsec=%llu}}, %p) = %s\n",
43 (long long) its_new->it_interval.tv_sec,
44 zero_extend_signed_to_ull(its_new->it_interval.tv_nsec),
45 (long long) its_new->it_value.tv_sec,
46 zero_extend_signed_to_ull(its_new->it_value.tv_nsec),
47 its_old, sprintrc(rc));
49 its_new->it_interval.tv_sec = 0xdeface1;
50 its_new->it_interval.tv_nsec = 0xdeface2;
51 its_new->it_value.tv_sec = 0xdeface3;
52 its_new->it_value.tv_nsec = 0xdeface4;
53 its_old->it_interval.tv_sec = 0xdeface5;
54 its_old->it_interval.tv_nsec = 0xdeface6;
55 its_old->it_value.tv_sec = 0xdeface7;
56 its_old->it_value.tv_nsec = 0xdeface8;
58 if (syscall(__NR_timerfd_settime, 0, 0, its_new, its_old))
59 perror_msg_and_skip("timerfd_settime");
60 printf("timerfd_settime(0, 0"
61 ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
62 ", it_value={tv_sec=%lld, tv_nsec=%llu}}"
63 ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
64 ", it_value={tv_sec=%lld, tv_nsec=%llu}}"
66 (long long) its_new->it_interval.tv_sec,
67 zero_extend_signed_to_ull(its_new->it_interval.tv_nsec),
68 (long long) its_new->it_value.tv_sec,
69 zero_extend_signed_to_ull(its_new->it_value.tv_nsec),
70 (long long) its_old->it_interval.tv_sec,
71 zero_extend_signed_to_ull(its_old->it_interval.tv_nsec),
72 (long long) its_old->it_value.tv_sec,
73 zero_extend_signed_to_ull(its_old->it_value.tv_nsec));
75 if (syscall(__NR_timerfd_gettime, 0, its_old))
76 perror_msg_and_skip("timerfd_gettime");
77 printf("timerfd_gettime(0"
78 ", {it_interval={tv_sec=%lld, tv_nsec=%llu}"
79 ", it_value={tv_sec=%lld, tv_nsec=%llu}}) = 0\n",
80 (long long) its_old->it_interval.tv_sec,
81 zero_extend_signed_to_ull(its_old->it_interval.tv_nsec),
82 (long long) its_old->it_value.tv_sec,
83 zero_extend_signed_to_ull(its_old->it_value.tv_nsec));
85 puts("+++ exited with 0 +++");
91 SKIP_MAIN_UNDEFINED("__NR_timerfd_create && __NR_timerfd_gettime"
92 " && __NR_timerfd_settime && O_CLOEXEC")