| 1 | /* C11 threads thread sleep implementation - Linux variant. |
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| 2 | Copyright (C) 2020-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <time.h> |
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| 20 | #include <sysdep-cancel.h> |
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| 21 | |
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| 22 | #include "thrd_priv.h" |
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| 23 | |
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| 24 | int |
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| 25 | __thrd_sleep64 (const struct __timespec64 *time_point, |
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| 26 | struct __timespec64 *remaining) |
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| 27 | { |
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| 28 | int ret = __clock_nanosleep_time64 (CLOCK_REALTIME, 0, time_point, |
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| 29 | remaining); |
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| 30 | /* C11 states thrd_sleep function returns -1 if it has been interrupted |
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| 31 | by a signal, or a negative value if it fails. */ |
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| 32 | switch (ret) |
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| 33 | { |
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| 34 | case 0: return 0; |
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| 35 | case EINTR: return -1; |
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| 36 | default: return -2; |
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| 37 | } |
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| 38 | } |
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| 39 | |
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| 40 | #if __TIMESIZE != 64 |
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| 41 | libc_hidden_def (__thrd_sleep64) |
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| 42 | |
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| 43 | int |
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| 44 | __thrd_sleep (const struct timespec *time_point, struct timespec *remaining) |
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| 45 | { |
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| 46 | const struct __timespec64 treq64 = valid_timespec_to_timespec64 (*time_point); |
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| 47 | struct __timespec64 trem64; |
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| 48 | |
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| 49 | int ret = __thrd_sleep64 (&treq64, remaining != NULL ? &trem64 : NULL); |
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| 50 | if (ret == -1 && remaining != NULL) |
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| 51 | *remaining = valid_timespec64_to_timespec (trem64); |
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| 52 | |
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| 53 | return ret; |
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| 54 | } |
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| 55 | #endif |
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| 56 | weak_alias (__thrd_sleep, thrd_sleep) |
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| 57 | |
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