1/* High-resolution sleep with the specified clock. Stub version.
2 Copyright (C) 2000-2022 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 <errno.h>
20#include <time.h>
21#include <shlib-compat.h>
22
23int
24__clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req,
25 struct timespec *rem)
26{
27 if (! valid_nanoseconds (ns: req->tv_nsec))
28 return EINVAL;
29
30 if (flags != TIMER_ABSTIME && flags != 0)
31 return EINVAL;
32
33 /* Not implemented. */
34 return ENOSYS;
35}
36libc_hidden_def (__clock_nanosleep)
37versioned_symbol (libc, __clock_nanosleep, clock_nanosleep, GLIBC_2_17);
38/* clock_nanosleep moved to libc in version 2.17;
39 old binaries may expect the symbol version it had in librt. */
40#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_17)
41compat_symbol (libc, __clock_nanosleep, clock_nanosleep, GLIBC_2_2);
42#endif
43
44stub_warning (clock_nanosleep)
45

source code of glibc/time/clock_nanosleep.c