1/* C11 threads thread sleep implementation.
2 Copyright (C) 2018-2020 Free Software Foundation, Inc.
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 <sysdep-cancel.h>
21
22#include "thrd_priv.h"
23
24int
25thrd_sleep (const struct timespec* time_point, struct timespec* remaining)
26{
27 int ret = __clock_nanosleep (CLOCK_REALTIME, 0, time_point, remaining);
28 /* C11 states thrd_sleep function returns -1 if it has been interrupted
29 by a signal, or a negative value if it fails. */
30 switch (ret)
31 {
32 case 0: return 0;
33 case EINTR: return -1;
34 default: return -2;
35 }
36}
37