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/*
* Copyright (c) 2016 embedded brains GmbH
*
* 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 <pthread.h>
#include <errno.h>
#include <rtems/posix/priorityimpl.h>
#include <rtems/posix/threadsup.h>
#include <rtems/score/threadimpl.h>
int pthread_setschedprio( pthread_t thread, int prio )
{
Thread_Control *the_thread;
Per_CPU_Control *cpu_self;
POSIX_API_Control *api;
Priority_Control unused;
ISR_lock_Context lock_context;
Priority_Control new_priority;
if ( !_POSIX_Priority_Is_valid( prio ) ) {
return EINVAL;
}
new_priority = _POSIX_Priority_To_core( prio );
the_thread = _Thread_Get( thread, &lock_context );
if ( the_thread == NULL ) {
return ESRCH;
}
api = the_thread->API_Extensions[ THREAD_API_POSIX ];
cpu_self = _Thread_Dispatch_disable_critical( &lock_context );
_Thread_State_acquire_critical( the_thread, &lock_context );
api->schedparam.sched_priority = prio;
api->Attributes.schedparam.sched_priority = prio;
_Thread_State_release( the_thread, &lock_context );
_Thread_Set_priority( the_thread, new_priority, &unused, true );
_Thread_Dispatch_enable( cpu_self );
return 0;
}
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