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2b778ceb | 1 | /* Copyright (C) 2003-2021 Free Software Foundation, Inc. |
ad0e8eb0 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
ad0e8eb0 | 17 | |
f99ed760 | 18 | #include <errno.h> |
ad0e8eb0 | 19 | #include <sysdep.h> |
8dee4833 | 20 | #include <time.h> |
7b5af2d8 | 21 | #include <shlib-compat.h> |
e8ac1f71 | 22 | #include <kernel-features.h> |
ad0e8eb0 | 23 | |
b06f4c00 WD |
24 | /* Set CLOCK to value TP. */ |
25 | int | |
7ce198e1 | 26 | __clock_settime64 (clockid_t clock_id, const struct __timespec64 *tp) |
b06f4c00 WD |
27 | { |
28 | /* Make sure the time cvalue is OK. */ | |
48123656 | 29 | if (! valid_nanoseconds (tp->tv_nsec)) |
b06f4c00 WD |
30 | { |
31 | __set_errno (EINVAL); | |
32 | return -1; | |
33 | } | |
34 | ||
ff6228d5 AZ |
35 | #ifndef __NR_clock_settime64 |
36 | # define __NR_clock_settime64 __NR_clock_settime | |
37 | #endif | |
7ce198e1 | 38 | int ret = INLINE_SYSCALL_CALL (clock_settime64, clock_id, tp); |
ff6228d5 AZ |
39 | |
40 | #ifndef __ASSUME_TIME64_SYSCALLS | |
7ce198e1 LM |
41 | if (ret == 0 || errno != ENOSYS) |
42 | return ret; | |
ff6228d5 | 43 | |
7ce198e1 LM |
44 | if (! in_time_t_range (tp->tv_sec)) |
45 | { | |
46 | __set_errno (EOVERFLOW); | |
47 | return -1; | |
48 | } | |
49 | ||
50 | struct timespec ts32 = valid_timespec64_to_timespec (*tp); | |
ff6228d5 | 51 | ret = INLINE_SYSCALL_CALL (clock_settime, clock_id, &ts32); |
7ce198e1 | 52 | #endif |
ff6228d5 AZ |
53 | |
54 | return ret; | |
b06f4c00 | 55 | } |
7ce198e1 LM |
56 | |
57 | #if __TIMESIZE != 64 | |
03343699 LM |
58 | libc_hidden_def (__clock_settime64) |
59 | ||
7ce198e1 LM |
60 | int |
61 | __clock_settime (clockid_t clock_id, const struct timespec *tp) | |
62 | { | |
63 | struct __timespec64 ts64 = valid_timespec_to_timespec64 (*tp); | |
64 | ||
65 | return __clock_settime64 (clock_id, &ts64); | |
66 | } | |
67 | #endif | |
68 | ||
7b5af2d8 ZW |
69 | libc_hidden_def (__clock_settime) |
70 | ||
71 | versioned_symbol (libc, __clock_settime, clock_settime, GLIBC_2_17); | |
72 | /* clock_settime moved to libc in version 2.17; | |
73 | old binaries may expect the symbol version it had in librt. */ | |
74 | #if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_17) | |
75 | strong_alias (__clock_settime, __clock_settime_2); | |
76 | compat_symbol (libc, __clock_settime_2, clock_settime, GLIBC_2_2); | |
77 | #endif |