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/**
* @file
*
* @brief Clear Thread state
* @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>
#include <rtems/score/assert.h>
#include <rtems/score/schedulerimpl.h>
States_Control _Thread_Clear_state_locked(
Thread_Control *the_thread,
States_Control state
)
{
States_Control previous_state;
_Assert( state != 0 );
_Assert( _Thread_State_is_owner( the_thread ) );
previous_state = the_thread->current_state;
if ( ( previous_state & state ) != 0 ) {
States_Control next_state;
next_state = _States_Clear( state, previous_state );
the_thread->current_state = next_state;
if ( _States_Is_ready( next_state ) ) {
_Scheduler_Unblock( the_thread );
}
}
return previous_state;
}
States_Control _Thread_Clear_state(
Thread_Control *the_thread,
States_Control state
)
{
ISR_lock_Context lock_context;
States_Control previous_state;
_Thread_State_acquire( the_thread, &lock_context );
previous_state = _Thread_Clear_state_locked( the_thread, state );
_Thread_State_release( the_thread, &lock_context );
return previous_state;
}
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