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[PATCH 3/6] Split sparc out of main Linux kernel-features.h.

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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.
This commit is contained in:
Joseph Myers
2014-07-17 17:52:58 +00:00
parent 083b1f7c12
commit 03f7731518
3 changed files with 72 additions and 27 deletions
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47
sysdeps/unix/sysv/linux/sparc/kernel-features.h Normal file
View File

@ -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