glibc/sysdeps/unix/sysv/linux/arm/kernel-features.h

67 lines
2.2 KiB
C

/* Set flags signalling availability of kernel features based on given
kernel version number.
Copyright (C) 2006 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/* The utimes syscall was added before 2.6.1. */
#if __LINUX_KERNEL_VERSION >= 132609
# define __ASSUME_UTIMES 1
#endif
/* The new getrlimit syscall was added sometime before 2.4.6. */
#if __LINUX_KERNEL_VERSION >= 132102
#define __ASSUME_NEW_GETRLIMIT_SYSCALL 1
#endif
/* On ARM the truncate64/ftruncate64/mmap2/stat64/lstat64/fstat64
syscalls were introduced in 2.3.35. */
#if __LINUX_KERNEL_VERSION >= 131875
# define __ASSUME_TRUNCATE64_SYSCALL 1
# define __ASSUME_MMAP2_SYSCALL 1
# define __ASSUME_STAT64_SYSCALL 1
#endif
/* Arm got fcntl64 in 2.4.4. */
#if __LINUX_KERNEL_VERSION >= 132100
# define __ASSUME_FCNTL64 1
#endif
/* The vfork syscall on arm was definitely available in 2.4. */
#if __LINUX_KERNEL_VERSION >= 132097
# define __ASSUME_VFORK_SYSCALL 1
#endif
/* The signal frame layout changed in 2.6.18. */
#if __LINUX_KERNEL_VERSION >= 132626
# define __ASSUME_SIGFRAME_V2 1
#endif
/* Support for the eventfd2 and signalfd4 syscalls was added in 2.6.27. */
#if __LINUX_KERNEL_VERSION >= 0x02061b
# define __ASSUME_EVENTFD2 1
# define __ASSUME_SIGNALFD4 1
#endif
#include_next <kernel-features.h>
/* Support for pselect6, ppoll and epoll_pwait was added in 2.6.32. */
#if __LINUX_KERNEL_VERSION < 0x020620
# undef __ASSUME_PSELECT
# undef __ASSUME_PPOLL
#endif