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/* Set flags signalling availability of kernel features based on given
kernel version number.
Copyright (C) 2010-2014 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/>. */
#ifndef _KERNEL_FEATURES_H
#define _KERNEL_FEATURES_H 1
#define __ASSUME_UTIMES 1
/* Support for the O_CLOEXEC flag was added for alpha in 2.6.23. */
#if __LINUX_KERNEL_VERSION >= 0x020617
# define __ASSUME_O_CLOEXEC 1
#endif
/* Support for various CLOEXEC and NONBLOCK flags was added for alpha after
2.6.33-rc1. */
#if __LINUX_KERNEL_VERSION >= 0x020621
# define __ASSUME_SOCK_CLOEXEC 1
# define __ASSUME_IN_NONBLOCK 1
#endif
/* Support for the pipe2, eventfd2, signalfd4 syscalls was added for alpha
after 2.6.33-rc1. */
#if __LINUX_KERNEL_VERSION >= 0x020621
# define __ASSUME_PIPE2 1
# define __ASSUME_EVENTFD2 1
# define __ASSUME_SIGNALFD4 1
#endif
/* Support for recvmmsg was added for alpha in 2.6.33. */
#if __LINUX_KERNEL_VERSION >= 0x020621
# define __ASSUME_RECVMMSG_SYSCALL 1
#endif
/* Support for accept4 and sendmmsg was added for alpha in 3.2. */
#if __LINUX_KERNEL_VERSION >= 0x030200
# define __ASSUME_ACCEPT4_SYSCALL 1
# define __ASSUME_SENDMMSG_SYSCALL 1
#endif
#include_next <kernel-features.h>
#undef __ASSUME_ST_INO_64_BIT
/* pselect/ppoll were introduced on alpha just after 2.6.22-rc1. */
#if __LINUX_KERNEL_VERSION < 0x020617
# undef __ASSUME_PSELECT
# undef __ASSUME_PPOLL
#endif
/* The *at syscalls were introduced on alpha just after 2.6.22-rc1. */
#if __LINUX_KERNEL_VERSION < 0x020617
# undef __ASSUME_ATFCTS
#endif
/* Support for inter-process robust mutexes was added on alpha just
after 2.6.22-rc1. */
#if __LINUX_KERNEL_VERSION < 0x020617
# undef __ASSUME_SET_ROBUST_LIST
#endif
/* Support for utimensat was added on alpha after 2.6.22-rc1. */
#if __LINUX_KERNEL_VERSION < 0x020617
# undef __ASSUME_UTIMENSAT
#endif
/* Support for fallocate was added for alpha after 2.6.33-rc1. */
#if __LINUX_KERNEL_VERSION < 0x020621
# undef __ASSUME_FALLOCATE
#endif
/* There never has been support for fstat64. */
#undef __ASSUME_STATFS64
#define __ASSUME_STATFS64 0
/* Support for fsyncdata was added for alpha after 2.6.21. */
#if __LINUX_KERNEL_VERSION >= 0x020616
# define __ASSUME_FDATASYNC 1
#endif
#endif /* _KERNEL_FEATURES_H */
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