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

46 lines
1.6 KiB
C

/* Set flags signalling availability of kernel features based on given
kernel version number.
Copyright (C) 2006-2014 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