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

/* Set flags signalling availability of kernel features based on given
   kernel version number.
   Copyright (C) 2006-2013 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library.  If not, see
   <http://www.gnu.org/licenses/>.  */

/* The utimes syscall was added before 2.6.1.  */
#define __ASSUME_UTIMES	1

/* The signal frame layout changed in 2.6.18.  */
#if __LINUX_KERNEL_VERSION >= 132626
# define __ASSUME_SIGFRAME_V2	1
#endif

/* Support for the eventfd2 and signalfd4 syscalls was added in 2.6.27.  */
#if __LINUX_KERNEL_VERSION >= 0x02061b
# define __ASSUME_EVENTFD2	1
# define __ASSUME_SIGNALFD4	1
#endif

/* Support for the accept4 syscall was added in 2.6.36.  */
#if __LINUX_KERNEL_VERSION >= 0x020624
# define __ASSUME_ACCEPT4	1
#endif

#include_next <kernel-features.h>

/* Support for pselect6, ppoll and epoll_pwait was added in 2.6.32.  */
#if __LINUX_KERNEL_VERSION < 0x020620
# undef __ASSUME_PSELECT
# undef __ASSUME_PPOLL
#endif