1 /****************************************************************************
2 * *
3 * GNAT COMPILER COMPONENTS *
4 * *
5 * A F F I N I T Y *
6 * *
7 * C Implementation File *
8 * *
9 * Copyright (C) 2005-2011, Free Software Foundation, Inc. *
10 * *
11 * GNAT is free software; you can redistribute it and/or modify it under *
12 * terms of the GNU General Public License as published by the Free Soft- *
13 * ware Foundation; either version 3, or (at your option) any later ver- *
14 * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
15 * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
16 * or FITNESS FOR A PARTICULAR PURPOSE. *
17 * *
18 * As a special exception under Section 7 of GPL version 3, you are granted *
19 * additional permissions described in the GCC Runtime Library Exception, *
20 * version 3.1, as published by the Free Software Foundation. *
21 * *
22 * You should have received a copy of the GNU General Public License and *
23 * a copy of the GCC Runtime Library Exception along with this program; *
24 * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
25 * <http://www.gnu.org/licenses/>. *
26 * *
27 * GNAT was originally developed by the GNAT team at New York University. *
28 * Extensive contributions were provided by Ada Core Technologies Inc. *
29 * *
30 ****************************************************************************/
31
32 /* VxWorks SMP CPU affinity */
33
34 #include "taskLib.h"
35 #include "cpuset.h"
36
37 extern int __gnat_set_affinity (int tid, unsigned cpu);
38 extern int __gnat_set_affinity_mask (int tid, unsigned mask);
39
40 int
__gnat_set_affinity(int tid,unsigned cpu)41 __gnat_set_affinity (int tid, unsigned cpu)
42 {
43 cpuset_t cpuset;
44
45 CPUSET_ZERO(cpuset);
46 CPUSET_SET(cpuset, cpu);
47 return taskCpuAffinitySet (tid, cpuset);
48 }
49
50 int
__gnat_set_affinity_mask(int tid,unsigned mask)51 __gnat_set_affinity_mask (int tid, unsigned mask)
52 {
53 int index;
54 cpuset_t cpuset;
55
56 CPUSET_ZERO(cpuset);
57
58 for (index = 0; index < sizeof (unsigned) * 8; index++)
59 if (mask & (1 << index))
60 CPUSET_SET(cpuset, index);
61
62 return taskCpuAffinitySet (tid, cpuset);
63 }
64