1  /* High-resolution sleep with the specified clock.  Stub version.
       2     Copyright (C) 2000-2023 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  
      23  int
      24  __clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req,
      25  		   struct timespec *rem)
      26  {
      27    if (! valid_nanoseconds (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  }
      36  libc_hidden_def (__clock_nanosleep)
      37  versioned_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)
      41  compat_symbol (libc, __clock_nanosleep, clock_nanosleep, GLIBC_2_2);
      42  #endif
      43  
      44  stub_warning (clock_nanosleep)