ports/sysdeps/unix/sysv/linux/arm/kernel-features.h

   1 /* Set flags signalling availability of kernel features based on given
   2    kernel version number.
   3    Copyright (C) 2006-2014 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    <http://www.gnu.org/licenses/>.  */
  19
  20 /* The utimes syscall was added before 2.6.1.  */
  21 #define __ASSUME_UTIMES 1
  22
  23 /* The signal frame layout changed in 2.6.18.  */
  24 #if __LINUX_KERNEL_VERSION >= 132626
  25 # define __ASSUME_SIGFRAME_V2   1
  26 #endif
  27
  28 /* Support for the eventfd2 and signalfd4 syscalls was added in 2.6.27.  */
  29 #if __LINUX_KERNEL_VERSION >= 0x02061b
  30 # define __ASSUME_EVENTFD2      1
  31 # define __ASSUME_SIGNALFD4     1
  32 #endif
  33
  34 /* Support for the accept4 syscall was added in 2.6.36.  */
  35 #if __LINUX_KERNEL_VERSION >= 0x020624
  36 # define __ASSUME_ACCEPT4       1
  37 #endif
  38
  39 #include_next <kernel-features.h>
  40
  41 /* Support for pselect6, ppoll and epoll_pwait was added in 2.6.32.  */
  42 #if __LINUX_KERNEL_VERSION < 0x020620
  43 # undef __ASSUME_PSELECT
  44 # undef __ASSUME_PPOLL
  45 #endif