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/**
* @file
*
* @brief RTEMS Task Get Affinity
* @ingroup ClassicTasks Tasks
*/
/*
* 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.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#if defined(__RTEMS_HAVE_SYS_CPUSET_H__)
#include <rtems/rtems/tasks.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/cpusetimpl.h>
rtems_status_code rtems_task_get_affinity(
rtems_id id,
size_t cpusetsize,
cpu_set_t *cpuset
)
{
Thread_Control *the_thread;
Objects_Locations location;
rtems_status_code status = RTEMS_SUCCESSFUL;
if ( !cpuset )
return RTEMS_INVALID_ADDRESS;
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
if ( cpusetsize != the_thread->affinity.setsize ) {
status = RTEMS_INVALID_NUMBER;
} else {
CPU_COPY( cpuset, the_thread->affinity.set );
}
_Objects_Put( &the_thread->Object );
return status;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
#endif
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