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/**
* @file
*
* @brief Pthread Set Affinity
* @ingroup POSIXAPI
*/
/*
* 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#if HAVE_DECL_PTHREAD_SETAFFINITY_NP
#define _GNU_SOURCE
#include <pthread.h>
#include <errno.h>
#include <rtems/posix/pthreadimpl.h>
#include <rtems/posix/priorityimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/cpusetimpl.h>
#include <rtems/score/schedulerimpl.h>
int pthread_setaffinity_np(
pthread_t id,
size_t cpusetsize,
const cpu_set_t *cpuset)
{
Objects_Locations location;
POSIX_API_Control *api;
Thread_Control *the_thread;
bool ok;
if ( !cpuset )
return EFAULT;
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
ok = _Scheduler_Set_affinity(
_Scheduler_Get( the_thread ),
the_thread,
cpusetsize,
cpuset
);
if ( ok ) {
api = the_thread->API_Extensions[ THREAD_API_POSIX ];
CPU_COPY( api->Attributes.affinityset, cpuset );
}
_Objects_Put( &the_thread->Object );
return ok ? 0 : EINVAL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
return ESRCH;
}
#endif
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