cpusetimpl.h

Go to the documentation of this file.

/*
 *  COPYRIGHT (c) 2014.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

#ifndef _RTEMS_SCORE_CPUSETIMPL_H
#define _RTEMS_SCORE_CPUSETIMPL_H

#include <rtems/score/cpuset.h>
#include <rtems/score/smp.h>

#include <limits.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifdef __RTEMS_HAVE_SYS_CPUSET_H__

bool _CPU_set_Is_valid( const cpu_set_t *cpuset, size_t setsize );

void _CPU_set_Show( const char *description, const cpu_set_t  *cpuset);

void _CPU_set_Show_default( const char *description );

const CPU_set_Control *_CPU_set_Default(void);

RTEMS_INLINE_ROUTINE size_t _CPU_set_Maximum_CPU_count( size_t setsize )
{
  return setsize * CHAR_BIT;
}

RTEMS_INLINE_ROUTINE bool _CPU_set_Is_large_enough(
  size_t setsize
)
{
  return _CPU_set_Maximum_CPU_count( setsize ) >= _SMP_Get_processor_count();
}

static inline void _CPU_set_Set(
  size_t           setsize,
  cpu_set_t       *cpuset,
  CPU_set_Control *set
)
{
  set->set     = &set->preallocated;
  set->setsize = setsize;
  CPU_COPY( set->set, cpuset );
}
#endif

#if __RTEMS_HAVE_SYS_CPUSET_H__ && defined( RTEMS_SMP )
void _CPU_set_Handler_initialization(void);
#else
#define _CPU_set_Handler_initialization()  do { } while ( 0 )
#endif

#ifdef __cplusplus
}
#endif
#endif
/* end of include file */