Files
rtems/cpukit/score/src/threadyield.c
Sebastian Huber 4054c91646 score: Add scheduler acquire/release
This is currently a global lock for all scheduler instances.  It should
get replaced with one lock per scheduler instance in the future.

Update #2273.
2015-03-24 14:35:05 +01:00

42 lines
819 B
C

/**
* @file
*
* @brief Thread Yield
*
* @ingroup ScoreThread
*/
/*
* 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/threadimpl.h>
#include <rtems/score/schedulerimpl.h>
void _Thread_Yield( Thread_Control *executing )
{
ISR_lock_Context lock_context;
_Scheduler_Acquire( executing, &lock_context );
if ( _States_Is_ready( executing->current_state ) ) {
_Scheduler_Yield( executing );
}
_Scheduler_Release( executing, &lock_context );
}