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| 1 | /* Set flags signalling availability of kernel features based on given |
|---|---|
| 2 | kernel version number. |
| 3 | Copyright (C) 2010-2022 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 | <https://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #ifndef _KERNEL_FEATURES_H |
| 21 | #define _KERNEL_FEATURES_H 1 |
| 22 | |
| 23 | #include_next <kernel-features.h> |
| 24 | |
| 25 | /* Support for statfs64 was added in 5.1. */ |
| 26 | #if __LINUX_KERNEL_VERSION < 0x050100 |
| 27 | # undef __ASSUME_STATFS64 |
| 28 | # define __ASSUME_STATFS64 0 |
| 29 | #endif |
| 30 | |
| 31 | #define __ASSUME_RECV_SYSCALL 1 |
| 32 | #define __ASSUME_SEND_SYSCALL 1 |
| 33 | |
| 34 | /* Support for the renameat2 syscall was added in 3.17. */ |
| 35 | #if __LINUX_KERNEL_VERSION < 0x031100 |
| 36 | # undef __ASSUME_RENAMEAT2 |
| 37 | #endif |
| 38 | |
| 39 | /* Support for the execveat syscall was added in 4.2. */ |
| 40 | #if __LINUX_KERNEL_VERSION < 0x040200 |
| 41 | # undef __ASSUME_EXECVEAT |
| 42 | #endif |
| 43 | |
| 44 | /* Support for copy_file_range, statx was added in kernel 4.13. */ |
| 45 | #if __LINUX_KERNEL_VERSION < 0x040D00 |
| 46 | # undef __ASSUME_MLOCK2 |
| 47 | # undef __ASSUME_STATX |
| 48 | #endif |
| 49 | |
| 50 | /* Alpha requires old sysvipc even being a 64-bit architecture. */ |
| 51 | #undef __ASSUME_SYSVIPC_DEFAULT_IPC_64 |
| 52 | |
| 53 | #endif /* _KERNEL_FEATURES_H */ |
| 54 |
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