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/*
* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* 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
#include <rtems/score/schedulerimpl.h>
#if defined(__RTEMS_HAVE_SYS_CPUSET_H__)
bool _Scheduler_Set_affinity(
Thread_Control *the_thread,
size_t cpusetsize,
const cpu_set_t *cpuset
)
{
bool ok;
if ( _CPU_set_Is_large_enough( cpusetsize ) ) {
#if defined(RTEMS_SMP)
uint32_t cpu_count = _SMP_Get_processor_count();
uint32_t cpu_index;
ok = false;
for ( cpu_index = 0 ; cpu_index < cpu_count ; ++cpu_index ) {
if ( CPU_ISSET_S( (int) cpu_index, cpusetsize, cpuset ) ) {
const Scheduler_Control *scheduler_of_cpu =
_Scheduler_Get_by_CPU_index( cpu_index );
if ( scheduler_of_cpu != NULL ) {
ok = ( *scheduler_of_cpu->Operations.set_affinity )(
scheduler_of_cpu,
the_thread,
cpusetsize,
cpuset
);
}
break;
}
}
#else
ok = _Scheduler_default_Set_affinity_body(
_Scheduler_Get( the_thread ),
the_thread,
cpusetsize,
cpuset
);
#endif
} else {
ok = false;
}
return ok;
}
#endif /* defined(__RTEMS_HAVE_SYS_CPUSET_H__) */
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