projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b14e8cb2 MT |
1 | /* Set flags signalling availability of kernel features based on given |
| 2 | kernel version number. | |
| 568035b7 | 3 | Copyright (C) 2010-2013 Free Software Foundation, Inc. |
| b14e8cb2 MT |
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 | |
| ab84e3ff PE |
17 | License along with the GNU C Library. If not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| b14e8cb2 | 19 | |
| fe7b738e RH |
20 | #ifndef _KERNEL_FEATURES_H |
| 21 | #define _KERNEL_FEATURES_H 1 | |
| 22 | ||
| b14e8cb2 MT |
23 | #define __ASSUME_UTIMES 1 |
| 24 | ||
| 742c00d3 MT |
25 | /* Support for the O_CLOEXEC flag was added for alpha in 2.6.23. */ |
| 26 | #if __LINUX_KERNEL_VERSION >= 0x020617 | |
| 27 | # define __ASSUME_O_CLOEXEC 1 | |
| 28 | #endif | |
| 29 | ||
| 30 | /* Support for various CLOEXEC and NONBLOCK flags was added for alpha after | |
| 31 | 2.6.33-rc1. */ | |
| 32 | #if __LINUX_KERNEL_VERSION >= 0x020621 | |
| 33 | # define __ASSUME_SOCK_CLOEXEC 1 | |
| 34 | # define __ASSUME_IN_NONBLOCK 1 | |
| 35 | #endif | |
| 36 | ||
| 5556231d | 37 | /* Support for the pipe2, eventfd2, signalfd4 syscalls was added for alpha |
| 742c00d3 MT |
38 | after 2.6.33-rc1. */ |
| 39 | #if __LINUX_KERNEL_VERSION >= 0x020621 | |
| 40 | # define __ASSUME_PIPE2 1 | |
| 41 | # define __ASSUME_EVENTFD2 1 | |
| 42 | # define __ASSUME_SIGNALFD4 1 | |
| 43 | #endif | |
| 44 | ||
| 45 | /* Support for accept4 was added for alpha after 2.6.33-rc1. */ | |
| 46 | #if __LINUX_KERNEL_VERSION >= 0x020621 | |
| 47 | # define __ASSUME_ACCEPT4 1 | |
| 48 | #endif | |
| 49 | ||
| b14e8cb2 MT |
50 | #include_next <kernel-features.h> |
| 51 | ||
| 52 | #undef __ASSUME_ST_INO_64_BIT | |
| 53 | ||
| 54 | /* pselect/ppoll were introduced on alpha just after 2.6.22-rc1. */ | |
| 55 | #if __LINUX_KERNEL_VERSION < 0x020617 | |
| 56 | # undef __ASSUME_PSELECT | |
| 57 | # undef __ASSUME_PPOLL | |
| 58 | #endif | |
| 59 | ||
| 60 | /* The *at syscalls were introduced on alpha just after 2.6.22-rc1. */ | |
| 61 | #if __LINUX_KERNEL_VERSION < 0x020617 | |
| 62 | # undef __ASSUME_ATFCTS | |
| 63 | #endif | |
| 64 | ||
| 65 | /* Support for inter-process robust mutexes was added on alpha just | |
| 66 | after 2.6.22-rc1. */ | |
| 67 | #if __LINUX_KERNEL_VERSION < 0x020617 | |
| 68 | # undef __ASSUME_SET_ROBUST_LIST | |
| 69 | #endif | |
| 70 | ||
| 71 | /* Support for utimensat was added on alpha after 2.6.22-rc1. */ | |
| 72 | #if __LINUX_KERNEL_VERSION < 0x020617 | |
| 73 | # undef __ASSUME_UTIMENSAT | |
| 74 | #endif | |
| 75 | ||
| 742c00d3 | 76 | /* Support for fallocate was added for alpha after 2.6.33-rc1. */ |
| b14e8cb2 MT |
77 | #if __LINUX_KERNEL_VERSION < 0x020621 |
| 78 | # undef __ASSUME_FALLOCATE | |
| 79 | #endif | |
| fe7b738e RH |
80 | |
| 81 | /* There never has been support for fstat64. */ | |
| 82 | #undef __ASSUME_STATFS64 | |
| 83 | #define __ASSUME_STATFS64 0 | |
| 84 | ||
| 563c8405 MF |
85 | /* Support for fsyncdata was added for alpha after 2.6.21. */ |
| 86 | #if __LINUX_KERNEL_VERSION >= 0x020616 | |
| 87 | # define __ASSUME_FDATASYNC 1 | |
| 88 | #endif | |
| 89 | ||
| fe7b738e | 90 | #endif /* _KERNEL_FEATURES_H */ |