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c3a020ee | 1 | /* High-resolution sleep. |
6d7e8eda | 2 | Copyright (C) 2020-2023 Free Software Foundation, Inc. |
c3a020ee AZ |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <time.h> | |
20 | #include <errno.h> | |
21 | ||
22 | int | |
23 | __nanosleep64 (const struct __timespec64 *req, struct __timespec64 *rem) | |
24 | { | |
25 | int ret = __clock_nanosleep_time64 (CLOCK_REALTIME, 0, req, rem); | |
26 | if (ret != 0) | |
27 | { | |
28 | __set_errno (ret); | |
29 | return -1; | |
30 | } | |
31 | return 0; | |
32 | } | |
33 | #if __TIMESIZE != 64 | |
34 | libc_hidden_def (__nanosleep64) | |
35 | ||
36 | int | |
37 | __nanosleep (const struct timespec *req, struct timespec *rem) | |
38 | { | |
39 | struct __timespec64 treq64, trem64; | |
40 | ||
41 | treq64 = valid_timespec_to_timespec64 (*req); | |
7ed2b692 | 42 | int ret = __nanosleep64 (&treq64, rem != NULL ? &trem64 : NULL); |
c3a020ee AZ |
43 | |
44 | if (ret != 0 && errno == EINTR && rem != NULL) | |
45 | *rem = valid_timespec64_to_timespec (trem64); | |
46 | return ret; | |
47 | } | |
48 | #endif | |
49 | libc_hidden_def (__nanosleep) | |
50 | weak_alias (__nanosleep, nanosleep) |