1 files changed, 74 insertions, 0 deletions
diff --git a/c/src/exec/score/src/threadqextractfifo.c b/c/src/exec/score/src/threadqextractfifo.c
new file mode 100644
index 0000000000..f028460f0a
--- /dev/null
+++ b/c/src/exec/score/src/threadqextractfifo.c
@@ -0,0 +1,74 @@
+/*
+ *  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_Extract_fifo
+ *
+ *  This routine removes a specific thread from the specified threadq,
+ *  deletes any timeout, and unblocks the thread.
+ *
+ *  Input parameters:
+ *    the_thread_queue - pointer to a threadq header
+ *    the_thread       - pointer to the thread to block
+ *
+ *  Output parameters: NONE
+ *
+ *  INTERRUPT LATENCY:
+ *    EXTRACT_FIFO
+ */
+
+void _Thread_queue_Extract_fifo(
+  Thread_queue_Control *the_thread_queue,
+  Thread_Control       *the_thread
+)
+{
+  ISR_Level level;
+
+  _ISR_Disable( level );
+
+  if ( !_States_Is_waiting_on_thread_queue( the_thread->current_state ) ) {
+    _ISR_Enable( level );
+    return;
+  }
+
+  _Chain_Extract_unprotected( &the_thread->Object.Node );
+
+  if ( !_Watchdog_Is_active( &the_thread->Timer ) ) {
+    _ISR_Enable( level );
+  } else {
+    _Watchdog_Deactivate( &the_thread->Timer );
+    _ISR_Enable( level );
+    (void) _Watchdog_Remove( &the_thread->Timer );
+  }
+
+  _Thread_Unblock( the_thread );
+
+#if defined(RTEMS_MULTIPROCESSING)
+  if ( !_Objects_Is_local_id( the_thread->Object.id ) )
+    _Thread_MP_Free_proxy( the_thread );
+#endif
+ 
+}
+