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| author | Joseph Myers <joseph@codesourcery.com> | 2014-07-17 17:52:58 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2014-07-17 17:52:58 +0000 |
| commit | 03f77315182e8b976ca71ac70711654fed46bc3d (patch) | |
| tree | 325b725cc6118e17a6cdf05c4a9b440f20e343b9 /sysdeps/unix/sysv/linux/sparc/kernel-features.h | |
| parent | 083b1f7c120e3e6219d48844892f8270088c1a2d (diff) | |
[PATCH 3/6] Split sparc out of main Linux kernel-features.h.
This patch splits sparc out of the main Linux kernel-features.h.
Not tested.
* sysdeps/unix/sysv/linux/sparc/kernel-features.h: New file.
* sysdeps/unix/sysv/linux/kernel-features.h [__sparc__]
(__ASSUME_SOCKETCALL): Do not define.
(__ASSUME_SET_ROBUST_LIST): Define unconditionally.
(__ASSUME_FUTEX_LOCK_PI): Likewise.
[__sparc__] (__ASSUME_ACCEPT4_SYSCALL): Do not define.
[__sparc__] (__ASSUME_ACCEPT4_SYSCALL_WITH_SOCKETCALL): Likewise.
(__ASSUME_REQUEUE_PI): Define unconditionally.
[__LINUX_KERNEL_VERSION >= 0x020621 && __sparc__]
(__ASSUME_RECVMMSG_SYSCALL): Do not define.
[__sparc__] (__ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL): Likewise.
[__LINUX_KERNEL_VERSION >= 0x030000 && __sparc__]
(__ASSUME_SENDMMSG_SYSCALL): Likewise.
[__sparc__] (__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL): Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/kernel-features.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/kernel-features.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h new file mode 100644 index 0000000000..1754d36e03 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h @@ -0,0 +1,47 @@ +/* Set flags signalling availability of kernel features based on given + kernel version number. SPARC version. + Copyright (C) 1999-2014 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/>. */ + +/* SPARC uses socketcall. */ +#define __ASSUME_SOCKETCALL 1 + +/* The accept4 syscall was added for SPARC in 2.6.28. */ +#define __ASSUME_ACCEPT4_SYSCALL 1 +#define __ASSUME_ACCEPT4_SYSCALL_WITH_SOCKETCALL 1 + +/* The recvmmsg syscall was added for SPARC in 2.6.33. */ +#if __LINUX_KERNEL_VERSION >= 0x020621 +# define __ASSUME_RECVMMSG_SYSCALL 1 +#endif +#define __ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL 1 + +/* The sendmmsg syscall was added for SPARC in 3.0. */ +#if __LINUX_KERNEL_VERSION >= 0x030000 +# define __ASSUME_SENDMMSG_SYSCALL 1 +#endif +#define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL 1 + +#include_next <kernel-features.h> + +/* 32-bit SPARC kernels do not support + futex_atomic_cmpxchg_inatomic. */ +#if !defined __arch64__ && !defined __sparc_v9__ +# undef __ASSUME_FUTEX_LOCK_PI +# undef __ASSUME_REQUEUE_PI +# undef __ASSUME_SET_ROBUST_LIST +#endif |