| 1 | /* Copyright (C) 1991-2024 Free Software Foundation, Inc. |
|---|---|
| 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 |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <https://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <errno.h> |
| 19 | #include <time.h> |
| 20 | #include <sys/time.h> |
| 21 | |
| 22 | /* Set the current time of day and timezone information. |
| 23 | This call is restricted to the super-user. */ |
| 24 | int |
| 25 | __settimeofday (const struct timeval *tv, const struct timezone *tz) |
| 26 | { |
| 27 | if (__glibc_unlikely (tz != 0)) |
| 28 | { |
| 29 | if (tv != 0) |
| 30 | { |
| 31 | __set_errno (EINVAL); |
| 32 | return -1; |
| 33 | } |
| 34 | return __settimezone (tz: tz); |
| 35 | } |
| 36 | |
| 37 | struct timespec ts; |
| 38 | TIMEVAL_TO_TIMESPEC (tv, &ts); |
| 39 | return __clock_settime (CLOCK_REALTIME, &ts); |
| 40 | } |
| 41 | |
| 42 | #ifdef VERSION_settimeofday |
| 43 | weak_alias (__settimeofday, __settimeofday_w); |
| 44 | default_symbol_version (__settimeofday_w, settimeofday, VERSION_settimeofday); |
| 45 | #else |
| 46 | weak_alias (__settimeofday, settimeofday); |
| 47 | #endif |
| 48 |