| /* 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 accept4 was added for alpha after 2.6.33-rc1. */ |
| #if __LINUX_KERNEL_VERSION >= 0x020621 |
| # define __ASSUME_ACCEPT4 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 */ |
