1 /* Copyright (c) 2008 Nikodemus Siivola <nikodemus@random-state.net>
3 * Permission is hereby granted, free of charge, to any person
4 * obtaining a copy of this software and associated documentation
5 * files (the "Software"), to deal in the Software without
6 * restriction, including without limitation the rights to use,
7 * copy, modify, merge, publish, distribute, sublicense, and/or esell
8 * copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
17 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
19 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
20 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE. */
27 int cpu_setsize
= CPU_SETSIZE
;
28 int cpu_mask_size
= sizeof(cpu_set_t
);
30 int get_cpu_affinity_mask(cpu_set_t
*mask
)
32 return sched_getaffinity(0, CPU_SETSIZE
, mask
);
35 int set_cpu_affinity_mask(cpu_set_t
*mask
)
37 return sched_setaffinity(0, CPU_SETSIZE
, mask
);
40 void zero_cpu_affinity_mask(cpu_set_t
*mask
)
45 void set_cpu_affinity(int cpu
, cpu_set_t
*mask
)
50 int cpu_affinity_p(int cpu
, cpu_set_t
*mask
)
52 return CPU_ISSET(cpu
, mask
);
55 void clear_cpu_affinity(int cpu
, cpu_set_t
*mask
)