sysdeps/unix/sysv/linux/alpha/kernel-features.h

   1 /* Set flags signalling availability of kernel features based on given
   2    kernel version number.
   3    Copyright (C) 2010-2024 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 #ifndef _KERNEL_FEATURES_H
  21 #define _KERNEL_FEATURES_H 1
  22
  23 #include_next <kernel-features.h>
  24
  25 /* Support for statfs64 was added in 5.1.  */
  26 #if __LINUX_KERNEL_VERSION < 0x050100
  27 # undef __ASSUME_STATFS64
  28 # define __ASSUME_STATFS64 0
  29 #endif
  30
  31 #define __ASSUME_RECV_SYSCALL   1
  32 #define __ASSUME_SEND_SYSCALL   1
  33
  34 /* Support for the renameat2 syscall was added in 3.17.  */
  35 #if __LINUX_KERNEL_VERSION < 0x031100
  36 # undef __ASSUME_RENAMEAT2
  37 #endif
  38
  39 /* Support for the execveat syscall was added in 4.2.  */
  40 #if __LINUX_KERNEL_VERSION < 0x040200
  41 # undef __ASSUME_EXECVEAT
  42 #endif
  43
  44 /* Support for copy_file_range, statx was added in kernel 4.13.  */
  45 #if __LINUX_KERNEL_VERSION < 0x040D00
  46 # undef __ASSUME_MLOCK2
  47 # undef __ASSUME_STATX
  48 #endif
  49
  50 /* Alpha requires old sysvipc even being a 64-bit architecture.  */
  51 #undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
  52
  53 /* Alpha does not provide clone3.  */
  54 #undef __ASSUME_CLONE3
  55 #define __ASSUME_CLONE3 0
  56
  57 #endif /* _KERNEL_FEATURES_H */