source: rtems/cpukit/score/include/rtems/score/cpuset.h @ 9db8705

4.11
Last change on this file since 9db8705 was 9db8705, checked in by Jennifer Averett <jennifer.averett@…>, on Feb 6, 2014 at 6:42:24 PM

score: Add cpuset support to Score.

This new Score Handler provides a structure to manage a
cpu_set_t plus helper routines to validate the contents
against the current system configuration.

  • Property mode set to 100644
File size: 1.4 KB
Line 
1/**
2 *  @file  rtems/score/cpuset.h
3 *
4 *  @brief Information About the CPU Set
5 *
6 *  This include file contains all information about the thread
7 *  CPU Set. 
8 */
9
10/*
11 *  COPYRIGHT (c) 2014.
12 *  On-Line Applications Research Corporation (OAR).
13 *
14 *  The license and distribution terms for this file may be
15 *  found in the file LICENSE in this distribution or at
16 *  http://www.rtems.org/license/LICENSE.
17 */
18
19#ifndef _RTEMS_SCORE_CPUSET_H
20#define _RTEMS_SCORE_CPUSET_H
21
22#include <rtems/score/basedefs.h>
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28#ifdef __RTEMS_HAVE_SYS_CPUSET_H__
29 
30/**
31 *  @defgroup ScoreCpuset
32 *
33 *  @ingroup Score
34 *
35 *  This handler encapsulates functionality which is used in the management
36 *  of thread's CPU set.
37 */
38/**@{*/
39
40/**
41 *  The following defines the control block used to manage the cpuset.
42 *  The names do not include affinity in the front in case the set is
43 *  ever used for something other than affinity.  The usage in thread
44 *  uses the attribute affinity such that accesses will read
45 *  thread->affinity.set.
46 */
47typedef struct {
48  /** This is the size of the set */
49  size_t                  setsize;
50  /** This is the preallocated space to store the set */
51  cpu_set_t               preallocated;
52  /** This is a pointer to the set in use */
53  cpu_set_t               *set;
54}   CPU_set_Control;
55
56#endif
57
58/**@}*/
59
60#ifdef __cplusplus
61}
62#endif
63#endif
64/* end of include file */
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