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-rw-r--r--cpukit/score/src/schedulersimplereadyqueueenqueue.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/cpukit/score/src/schedulersimplereadyqueueenqueue.c b/cpukit/score/src/schedulersimplereadyqueueenqueue.c
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+++ b/cpukit/score/src/schedulersimplereadyqueueenqueue.c
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+/*
+ * Schedule Simple Handler / Ready Queue Enqueue
+ *
+ * COPYRIGHT (c) 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.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/score/chain.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/schedulersimple.h>
+
+void _Scheduler_simple_Ready_queue_Enqueue(
+ Thread_Control *the_thread
+)
+{
+ Chain_Control *ready;
+ Chain_Node *the_node;
+ Thread_Control *current;
+
+ ready = (Chain_Control *)_Scheduler.information;
+ the_node = _Chain_First( ready );
+ current = (Thread_Control *)ready;
+
+ for ( ; !_Chain_Is_tail( ready, the_node ) ; the_node = the_node->next ) {
+ current = (Thread_Control *) the_node;
+
+ /* break when AT END OR PAST our priority */
+ if ( the_thread->current_priority < current->current_priority ) {
+ current = (Thread_Control *)current->Object.Node.previous;
+ break;
+ }
+ }
+
+ /* enqueue */
+ _Chain_Insert_unprotected( (Chain_Node *)current, &the_thread->Object.Node );
+}