1  /* Set flags signalling availability of kernel features based on given
       2     kernel version number.  RISC-V version.
       3     Copyright (C) 2018-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include_next <kernel-features.h>
      21  
      22  #undef __ASSUME_CLONE_DEFAULT
      23  #define __ASSUME_CLONE_BACKWARDS 1
      24  
      25  /* No support for PI mutexes or robust futexes before 4.20.  */
      26  #if __LINUX_KERNEL_VERSION < 0x041400
      27  # undef __ASSUME_SET_ROBUST_LIST
      28  #endif