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/**
* @file
*
* @brief Pthread Get 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_GETAFFINITY_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>
int pthread_getaffinity_np(
const pthread_t id,
size_t cpusetsize,
cpu_set_t *cpuset
)
{
Objects_Locations location;
Thread_Control *the_thread;
int error;
if ( !cpuset )
return EFAULT;
the_thread = _Thread_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
error = 0;
if ( cpusetsize != the_thread->affinity.setsize )
error = EINVAL;
else
CPU_COPY( cpuset, the_thread->affinity.set );
_Objects_Put( &the_thread->Object );
return error;
break;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE:
#endif
case OBJECTS_ERROR:
break;
}
return ESRCH;
}
#endif
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