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/**
* @file
*
* @brief Set Thread Priority
* @ingroup ScoreThread
*/
/*
* COPYRIGHT (c) 1989-2011.
* 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
#include <rtems/score/threadimpl.h>
static bool _Thread_Set_priority_filter(
Thread_Control *the_thread,
Priority_Control *new_priority_ptr,
void *arg
)
{
Priority_Control current_priority;
Priority_Control new_priority;
Priority_Control *old_priority_ptr;
current_priority = _Thread_Get_priority( the_thread );
new_priority = *new_priority_ptr;
old_priority_ptr = arg;
*old_priority_ptr = current_priority;
the_thread->real_priority = new_priority;
return _Thread_Priority_less_than( current_priority, new_priority )
|| !_Thread_Owns_resources( the_thread );
}
void _Thread_Set_priority(
Thread_Control *the_thread,
Priority_Control new_priority,
Priority_Control *old_priority,
bool prepend_it
)
{
_Thread_Change_priority(
the_thread,
new_priority,
old_priority,
_Thread_Set_priority_filter,
prepend_it
);
}
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