1 files changed, 48 insertions, 0 deletions
diff --git a/c/src/exec/score/src/threadqfirstfifo.c b/c/src/exec/score/src/threadqfirstfifo.c
new file mode 100644
index 0000000000..a448ef79de
--- /dev/null
+++ b/c/src/exec/score/src/threadqfirstfifo.c
@@ -0,0 +1,48 @@
+/*
+ *  Thread Queue Handler
+ *
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#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_fifo
+ *
+ *  This routines returns a pointer to the first thread on the
+ *  specified threadq.
+ *
+ *  Input parameters:
+ *    the_thread_queue - pointer to threadq
+ *
+ *  Output parameters:
+ *    returns - first thread or NULL
+ */
+
+Thread_Control *_Thread_queue_First_fifo(
+  Thread_queue_Control *the_thread_queue
+)
+{
+  if ( !_Chain_Is_empty( &the_thread_queue->Queues.Fifo ) )
+    return (Thread_Control *) the_thread_queue->Queues.Fifo.first;
+
+  return NULL;
+}
+