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
37extern int __gnat_set_affinity (int tid, unsigned cpu);
38extern int __gnat_set_affinity_mask (int tid, unsigned mask);
39
40int
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
50int
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