[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / arm / kernel-features.h

/* Set flags signalling availability of kernel features based on given
   kernel version number.
   Copyright (C) 2006-2017 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/>.  */

#include_next <kernel-features.h>

/* The ARM kernel before 3.14.3 may or may not support
   futex_atomic_cmpxchg_inatomic, depending on kernel
   configuration.  */
#if __LINUX_KERNEL_VERSION < 0x030E03
# undef __ASSUME_REQUEUE_PI
# undef __ASSUME_SET_ROBUST_LIST
#endif

/* ARM fadvise64_64 reorganize the syscall arguments.  */
#define __ASSUME_FADVISE64_64_6ARG	1

/* Define this if your 32-bit syscall API requires 64-bit register
   pairs to start with an even-number register.  */
#define __ASSUME_ALIGNED_REGISTER_PAIRS	1

/* ARM only has a syscall for fadvise64{_64} and it is defined with a
   non-standard name.  */
#define __NR_fadvise64_64 __NR_arm_fadvise64_64

#define __ASSUME_RECV_SYSCALL   1
Commit	Line	Data
ebabc882 DJ	1	/* Set flags signalling availability of kernel features based on given
ebabc882 DJ	2	kernel version number.
bfff8b1b	3	Copyright (C) 2006-2017 Free Software Foundation, Inc.
ebabc882 DJ	4	This file is part of the GNU C Library.
	5
	6	The GNU C Library is free software; you can redistribute it and/or
	7	modify it under the terms of the GNU Lesser General Public
	8	License as published by the Free Software Foundation; either
	9	version 2.1 of the License, or (at your option) any later version.
	10
	11	The GNU C Library is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	Lesser General Public License for more details.
	15
	16	You should have received a copy of the GNU Lesser General Public
ab84e3ff PE	17	License along with the GNU C Library. If not, see
ab84e3ff PE	18	<http://www.gnu.org/licenses/>. */
ebabc882	19
ebabc882	20	#include_next <kernel-features.h>
2b03bcf4	21
03d41216	22	/* The ARM kernel before 3.14.3 may or may not support
47c5adeb JM	23	futex_atomic_cmpxchg_inatomic, depending on kernel
47c5adeb JM	24	configuration. */
03d41216	25	#if __LINUX_KERNEL_VERSION < 0x030E03
03d41216 GC	26	# undef __ASSUME_REQUEUE_PI
	27	# undef __ASSUME_SET_ROBUST_LIST
	28	#endif
482b2f87	29
96b7fe42 AZ	30	/* ARM fadvise64_64 reorganize the syscall arguments. */
	31	#define __ASSUME_FADVISE64_64_6ARG 1
	32
482b2f87 AZ	33	/* Define this if your 32-bit syscall API requires 64-bit register
	34	pairs to start with an even-number register. */
	35	#define __ASSUME_ALIGNED_REGISTER_PAIRS 1
96b7fe42 AZ	36
	37	/* ARM only has a syscall for fadvise64{_64} and it is defined with a
	38	non-standard name. */
	39	#define __NR_fadvise64_64 __NR_arm_fadvise64_64
df799d9e AZ	40
df799d9e AZ	41	#define __ASSUME_RECV_SYSCALL 1