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-rw-r--r--cpukit/score/src/schedulersimpleyield.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/cpukit/score/src/schedulersimpleyield.c b/cpukit/score/src/schedulersimpleyield.c
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+++ b/cpukit/score/src/schedulersimpleyield.c
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+/*
+ * Scheduler Simple Handler / Yield
+ *
+ * COPYRIGHT (c) 2011.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/scheduler.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/schedulersimple.h>
+
+void _Scheduler_simple_Yield( void )
+{
+ ISR_Level level;
+ Thread_Control *executing;
+
+ executing = _Thread_Executing;
+ _ISR_Disable( level );
+
+ _Scheduler_simple_Ready_queue_Requeue(&_Scheduler, executing);
+
+ _ISR_Flash( level );
+
+ _Scheduler_simple_Schedule();
+
+ if ( !_Thread_Is_heir( executing ) )
+ _Thread_Dispatch_necessary = true;
+
+ _ISR_Enable( level );
+}