1 /* Set flags signalling availability of kernel features based on given
3 Copyright (C) 2006 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 /* The utimes syscall was added before 2.6.1. */
22 #if __LINUX_KERNEL_VERSION >= 132609
23 # define __ASSUME_UTIMES 1
26 /* The new getrlimit syscall was added sometime before 2.4.6. */
27 #if __LINUX_KERNEL_VERSION >= 132102
28 #define __ASSUME_NEW_GETRLIMIT_SYSCALL 1
31 /* On ARM the truncate64/ftruncate64/mmap2/stat64/lstat64/fstat64
32 syscalls were introduced in 2.3.35. */
33 #if __LINUX_KERNEL_VERSION >= 131875
34 # define __ASSUME_TRUNCATE64_SYSCALL 1
35 # define __ASSUME_MMAP2_SYSCALL 1
36 # define __ASSUME_STAT64_SYSCALL 1
39 /* Arm got fcntl64 in 2.4.4. */
40 #if __LINUX_KERNEL_VERSION >= 132100
41 # define __ASSUME_FCNTL64 1
44 /* The vfork syscall on arm was definitely available in 2.4. */
45 #if __LINUX_KERNEL_VERSION >= 132097
46 # define __ASSUME_VFORK_SYSCALL 1
49 /* The signal frame layout changed in 2.6.18. */
50 #if __LINUX_KERNEL_VERSION >= 132626
51 # define __ASSUME_SIGFRAME_V2 1
54 /* Support for the eventfd2 and signalfd4 syscalls was added in 2.6.27. */
55 #if __LINUX_KERNEL_VERSION >= 0x02061b
56 # define __ASSUME_EVENTFD2 1
57 # define __ASSUME_SIGNALFD4 1
60 #include_next <kernel-features.h>
62 /* Support for pselect6, ppoll and epoll_pwait was added in 2.6.32. */
63 #if __LINUX_KERNEL_VERSION < 0x020620
64 # undef __ASSUME_PSELECT
65 # undef __ASSUME_PPOLL