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1 /****************************************************************************
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2 * *
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3 * GNAT COMPILER COMPONENTS *
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4 * *
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5 * A F F I N I T Y *
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6 * *
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7 * C Implementation File *
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8 * *
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131
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9 * Copyright (C) 2005-2018, Free Software Foundation, Inc. *
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10 * *
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11 * GNAT is free software; you can redistribute it and/or modify it under *
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12 * terms of the GNU General Public License as published by the Free Soft- *
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13 * ware Foundation; either version 3, or (at your option) any later ver- *
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14 * sion. GNAT is distributed in the hope that it will be useful, but WITH- *
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15 * OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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16 * or FITNESS FOR A PARTICULAR PURPOSE. *
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17 * *
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18 * As a special exception under Section 7 of GPL version 3, you are granted *
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19 * additional permissions described in the GCC Runtime Library Exception, *
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20 * version 3.1, as published by the Free Software Foundation. *
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21 * *
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22 * You should have received a copy of the GNU General Public License and *
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23 * a copy of the GCC Runtime Library Exception along with this program; *
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24 * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see *
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25 * <http://www.gnu.org/licenses/>. *
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26 * *
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27 * GNAT was originally developed by the GNAT team at New York University. *
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28 * Extensive contributions were provided by Ada Core Technologies Inc. *
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29 * *
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30 ****************************************************************************/
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31
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32 /* VxWorks SMP CPU affinity */
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33
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34 #include "taskLib.h"
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35 #include "cpuset.h"
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36
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37 extern int __gnat_set_affinity (TASK_ID tid, unsigned cpu);
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38 extern int __gnat_set_affinity_mask (TASK_ID tid, unsigned mask);
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39
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40 int
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41 __gnat_set_affinity (TASK_ID tid, unsigned cpu)
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42 {
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43 cpuset_t cpuset;
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44
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45 CPUSET_ZERO(cpuset);
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46 CPUSET_SET(cpuset, cpu);
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47 return taskCpuAffinitySet (tid, cpuset);
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48 }
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49
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50 int
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51 __gnat_set_affinity_mask (TASK_ID tid, unsigned mask)
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52 {
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53 unsigned index;
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54 cpuset_t cpuset;
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55
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56 CPUSET_ZERO(cpuset);
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57
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58 for (index = 0; index < sizeof (unsigned) * 8; index++)
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59 if (mask & (1 << index))
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60 CPUSET_SET(cpuset, index);
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61
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62 return taskCpuAffinitySet (tid, cpuset);
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63 }
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