diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/kernel-features.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/kernel-features.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h new file mode 100644 index 0000000000..13e1b51348 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h @@ -0,0 +1,61 @@ +/* Set flags signalling availability of kernel features based on given + kernel version number. + Copyright (C) 2010-2015 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 + +/* Support for recvmmsg was added for alpha in 2.6.33. */ +#if __LINUX_KERNEL_VERSION >= 0x020621 +# define __ASSUME_RECVMMSG_SYSCALL 1 +#endif + +/* Support for accept4 and sendmmsg was added for alpha in 3.2. */ +#if __LINUX_KERNEL_VERSION >= 0x030200 +# define __ASSUME_ACCEPT4_SYSCALL 1 +# define __ASSUME_SENDMMSG_SYSCALL 1 +#endif + +#include_next <kernel-features.h> + +#undef __ASSUME_ST_INO_64_BIT + +/* 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. */ +#define __ASSUME_FDATASYNC 1 + +/* Support for various syscalls was added for alpha in 2.6.33. */ +#if __LINUX_KERNEL_VERSION < 0x020621 +# undef __ASSUME_PREADV +# undef __ASSUME_PWRITEV +# undef __ASSUME_IN_NONBLOCK +# undef __ASSUME_PIPE2 +# undef __ASSUME_EVENTFD2 +# undef __ASSUME_SIGNALFD4 +# undef __ASSUME_DUP3 +#endif + +#endif /* _KERNEL_FEATURES_H */ |