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/* Set flags signalling availability of kernel features based on given
kernel version number.
Copyright (C) 2010-2024 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
<https://www.gnu.org/licenses/>. */
#ifndef _KERNEL_FEATURES_H
#define _KERNEL_FEATURES_H 1
#include_next <kernel-features.h>
/* Support for statfs64 was added in 5.1. */
#if __LINUX_KERNEL_VERSION < 0x050100
# undef __ASSUME_STATFS64
# define __ASSUME_STATFS64 0
#endif
#define __ASSUME_RECV_SYSCALL 1
#define __ASSUME_SEND_SYSCALL 1
/* Support for the renameat2 syscall was added in 3.17. */
#if __LINUX_KERNEL_VERSION < 0x031100
# undef __ASSUME_RENAMEAT2
#endif
/* Support for the execveat syscall was added in 4.2. */
#if __LINUX_KERNEL_VERSION < 0x040200
# undef __ASSUME_EXECVEAT
#endif
/* Support for copy_file_range, statx was added in kernel 4.13. */
#if __LINUX_KERNEL_VERSION < 0x040D00
# undef __ASSUME_MLOCK2
# undef __ASSUME_STATX
#endif
/* Alpha requires old sysvipc even being a 64-bit architecture. */
#undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
/* Alpha does not provide clone3. */
#undef __ASSUME_CLONE3
#define __ASSUME_CLONE3 0
#endif /* _KERNEL_FEATURES_H */
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