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| author | attilio <attilio@FreeBSD.org> | 2013-05-09 00:04:59 +0000 |
|---|---|---|
| committer | attilio <attilio@FreeBSD.org> | 2013-05-09 00:04:59 +0000 |
| commit | 73f26a621eb595dd18b96f21bae3927a684868a8 (patch) | |
| tree | 7b5335c94e9099d51a94cf3dbfce719c16a21958 /sys/sys/_cpuset.h | |
| parent | defb13707d01a88b7e838ef2d83d5e3dd39cdf83 (diff) | |
| download | FreeBSD-src-73f26a621eb595dd18b96f21bae3927a684868a8.zip FreeBSD-src-73f26a621eb595dd18b96f21bae3927a684868a8.tar.gz | |
Generalize the bitset operations, present in cpuset and offer a KPI to
redefine such operations for different consumers.
This will be used when NUMA support will be finished and numaset
will need to be used.
Sponsored by: EMC / Isilon storage division
Obtained from: jeff
Reviewed by: alc
Diffstat (limited to 'sys/sys/_cpuset.h')
| -rw-r--r-- | sys/sys/_cpuset.h | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/sys/sys/_cpuset.h b/sys/sys/_cpuset.h index a11c0f0..a488700 100644 --- a/sys/sys/_cpuset.h +++ b/sys/sys/_cpuset.h @@ -32,6 +32,8 @@ #ifndef _SYS__CPUSET_H_ #define _SYS__CPUSET_H_ +#include <sys/_bitset.h> + #ifdef _KERNEL #define CPU_SETSIZE MAXCPU #endif @@ -42,17 +44,13 @@ #define CPU_SETSIZE CPU_MAXSIZE #endif -#define _NCPUBITS (sizeof(long) * NBBY) /* bits per mask */ -#define _NCPUWORDS howmany(CPU_SETSIZE, _NCPUBITS) - -typedef struct _cpuset { - long __bits[howmany(CPU_SETSIZE, _NCPUBITS)]; -} cpuset_t; +#define _NCPUBITS _BITSET_BITS +#define _NCPUWORDS __bitset_words(CPU_SETSIZE) -#define CPUSET_FSET \ - [ 0 ... (_NCPUWORDS - 1) ] = (-1L) +BITSET_DEFINE(_cpuset, CPU_SETSIZE); +typedef struct _cpuset cpuset_t; -#define CPUSET_T_INITIALIZER(x) \ - { .__bits = { x } } +#define CPUSET_FSET BITSET_FSET(_NCPUWORDS) +#define CPUSET_T_INITIALIZER BITSET_T_INITIALIZER #endif /* !_SYS__CPUSET_H_ */ |
