1 files changed, 54 insertions, 0 deletions
diff --git a/cpukit/score/src/threadqfirst.c b/cpukit/score/src/threadqfirst.c
new file mode 100644
index 0000000000..8e268b87d9
--- /dev/null
+++ b/cpukit/score/src/threadqfirst.c
@@ -0,0 +1,54 @@
+/*
+ *  Thread Queue Handler
+ *
+ *
+ *  COPYRIGHT (c) 1989-2008.
+ *  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/object.h>
+#include <rtems/score/states.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/threadq.h>
+#include <rtems/score/tqdata.h>
+
+/*PAGE
+ *
+ *  _Thread_queue_First
+ *
+ *  This routines returns a pointer to the first thread on the
+ *  specified threadq.
+ *
+ *  Input parameters:
+ *    the_thread_queue - pointer to thread queue
+ *
+ *  Output parameters:
+ *    returns - first thread or NULL
+ */
+
+Thread_Control *_Thread_queue_First(
+  Thread_queue_Control *the_thread_queue
+)
+{
+  Thread_Control * (*first_p)(Thread_queue_Control *);
+
+  if ( the_thread_queue->discipline == THREAD_QUEUE_DISCIPLINE_PRIORITY )
+      first_p = _Thread_queue_First_priority;
+  else /* must be THREAD_QUEUE_DISCIPLINE_FIFO */
+      first_p = _Thread_queue_First_fifo;
+
+  return (*first_p)( the_thread_queue );
+}