1 files changed, 97 insertions, 0 deletions
diff --git a/cpukit/score/src/threadqenqueue.c b/cpukit/score/src/threadqenqueue.c
new file mode 100644
index 0000000000..dbb1661feb
--- /dev/null
+++ b/cpukit/score/src/threadqenqueue.c
@@ -0,0 +1,97 @@
+/*
+ *  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_Enqueue_with_handler
+ *
+ *  This routine blocks a thread, places it on a thread, and optionally
+ *  starts a timeout timer.
+ *
+ *  Input parameters:
+ *    the_thread_queue - pointer to threadq
+ *    timeout          - interval to wait
+ *
+ *  Output parameters: NONE
+ *
+ *  INTERRUPT LATENCY:
+ *    only case
+ */
+
+void _Thread_queue_Enqueue_with_handler(
+  Thread_queue_Control         *the_thread_queue,
+  Watchdog_Interval             timeout,
+  Thread_queue_Timeout_callout  handler
+)
+{
+  Thread_Control                   *the_thread;
+  ISR_Level                         level;
+  Thread_blocking_operation_States  sync_state;
+  Thread_blocking_operation_States (*enqueue_p)(
+    Thread_queue_Control *,
+    Thread_Control *,
+    ISR_Level *
+  );
+
+  the_thread = _Thread_Executing;
+
+#if defined(RTEMS_MULTIPROCESSING)
+  if ( _Thread_MP_Is_receive( the_thread ) && the_thread->receive_packet )
+    the_thread = _Thread_MP_Allocate_proxy( the_thread_queue->state );
+  else
+#endif
+  /*
+   *  Set the blocking state for this thread queue in the thread.
+   */
+  _Thread_Set_state( the_thread, the_thread_queue->state );
+
+  /*
+   *  If the thread wants to timeout, then schedule its timer.
+   */
+  if ( timeout ) {
+    _Watchdog_Initialize(
+       &the_thread->Timer,
+       handler,
+       the_thread->Object.id,
+       NULL
+    );
+
+    _Watchdog_Insert_ticks( &the_thread->Timer, timeout );
+  }
+
+  /*
+   *  Now enqueue the thread per the discipline for this thread queue.
+   */
+  if ( the_thread_queue->discipline == THREAD_QUEUE_DISCIPLINE_PRIORITY )
+    enqueue_p = _Thread_queue_Enqueue_priority;
+  else /* must be THREAD_QUEUE_DISCIPLINE_FIFO */
+    enqueue_p = _Thread_queue_Enqueue_fifo;
+
+  sync_state = (*enqueue_p)( the_thread_queue, the_thread, &level );
+  if ( sync_state != THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED )
+    _Thread_blocking_operation_Cancel( sync_state, the_thread, level );
+}