freebsd-dev/sys/sys/_cpuset.h
John Baldwin b45968a8ea Bump the default size of cpuset_t masks in userland from 128 bits to 256.
This should not be an ABI change since the various public APIs that use
cpusets all include an explicit size parameter in addition to the cpuset
parameter.

MFC after:	1 week
2014-08-20 16:05:15 +00:00

57 lines
1.9 KiB
C

/*-
* Copyright (c) 2008, Jeffrey Roberson <jeff@freebsd.org>
* All rights reserved.
*
* Copyright (c) 2008 Nokia Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SYS__CPUSET_H_
#define _SYS__CPUSET_H_
#include <sys/_bitset.h>
#ifdef _KERNEL
#define CPU_SETSIZE MAXCPU
#endif
#define CPU_MAXSIZE 256
#ifndef CPU_SETSIZE
#define CPU_SETSIZE CPU_MAXSIZE
#endif
#define _NCPUBITS _BITSET_BITS
#define _NCPUWORDS __bitset_words(CPU_SETSIZE)
BITSET_DEFINE(_cpuset, CPU_SETSIZE);
typedef struct _cpuset cpuset_t;
#define CPUSET_FSET BITSET_FSET(_NCPUWORDS)
#define CPUSET_T_INITIALIZER BITSET_T_INITIALIZER
#endif /* !_SYS__CPUSET_H_ */