diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h b/ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h new file mode 100644 index 0000000000..f8dc4812cf --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/ia64/kernel-features.h @@ -0,0 +1,63 @@ +/* Set flags signalling availability of kernel features based on given + kernel version number. + Copyright (C) 2010-2012 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 + +/* The late 2.5 kernels saw a lot of new CLONE_* flags. Summarize + their availability with one define. */ +#if __LINUX_KERNEL_VERSION >= 132416 +# define __ASSUME_CLONE_THREAD_FLAGS 1 +#endif + +/* The utimes syscall has been available for some architectures + forever. */ +#define __ASSUME_UTIMES 1 + +/* pselect/ppoll were introduced just after 2.6.16-rc1. Due to the way + the kernel versions are advertised we can only rely on 2.6.17 to have + the code. */ +#if __LINUX_KERNEL_VERSION >= 0x020616 +# define __ASSUME_PSELECT 1 +# define __ASSUME_PPOLL 1 +#endif + +/* Support for various CLOEXEC and NONBLOCK flags was added in 2.6.23. */ +#if __LINUX_KERNEL_VERSION >= 0x020617 +# define __ASSUME_O_CLOEXEC 1 +#endif + +/* Support for various CLOEXEC and NONBLOCK flags was added in 2.6.27. */ +#if __LINUX_KERNEL_VERSION >= 0x02061b +# define __ASSUME_SOCK_CLOEXEC 1 +# define __ASSUME_IN_NONBLOCK 1 +# define __ASSUME_PIPE2 1 +# define __ASSUME_EVENTFD2 1 +# define __ASSUME_SIGNALFD4 1 +# define __ASSUME_DUP3 1 +#endif + +/* Support for the accept4 syscall was added in 3.3. */ +#if __LINUX_KERNEL_VERSION >= 0x030300 +# define __ASSUME_ACCEPT4 1 +#endif + +#include_next <kernel-features.h> + +#endif /* _KERNEL_FEATURES_H */ |