1/* C11 threads thread sleep implementation.
2 Copyright (C) 2018-2019 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 <http://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 INTERNAL_SYSCALL_DECL (err);
28 int ret = INTERNAL_SYSCALL_CANCEL (nanosleep, err, time_point, remaining);
29 if (INTERNAL_SYSCALL_ERROR_P (ret, err))
30 {
31 /* C11 states thrd_sleep function returns -1 if it has been interrupted
32 by a signal, or a negative value if it fails. */
33 ret = INTERNAL_SYSCALL_ERRNO (ret, err);
34 if (ret == EINTR)
35 return -1;
36 return -2;
37 }
38 return 0;
39}
40