1 files changed, 75 insertions, 0 deletions
diff --git a/c/src/exec/score/src/threadready.c b/c/src/exec/score/src/threadready.c
new file mode 100644
index 0000000000..24714a70b9
--- /dev/null
+++ b/c/src/exec/score/src/threadready.c
@@ -0,0 +1,75 @@
+/*
+ *  Thread 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 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/apiext.h>
+#include <rtems/score/context.h>
+#include <rtems/score/interr.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/object.h>
+#include <rtems/score/priority.h>
+#include <rtems/score/states.h>
+#include <rtems/score/sysstate.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/threadq.h>
+#include <rtems/score/userext.h>
+#include <rtems/score/wkspace.h>
+
+/*PAGE
+ *
+ *  _Thread_Ready
+ *
+ *  This kernel routine readies the requested thread, the thread chain
+ *  is adjusted.  A new heir thread may be selected.
+ *
+ *  Input parameters:
+ *    the_thread - pointer to thread control block
+ *
+ *  Output parameters:  NONE
+ *
+ *  NOTE:  This routine uses the "blocking" heir selection mechanism.
+ *         This insures the correct heir after a thread restart.
+ *
+ *  INTERRUPT LATENCY:
+ *    ready chain
+ *    select heir
+ */
+
+void _Thread_Ready(
+  Thread_Control *the_thread
+)
+{
+  ISR_Level              level;
+  Thread_Control *heir;
+
+  _ISR_Disable( level );
+
+  the_thread->current_state = STATES_READY;
+
+  _Priority_Add_to_bit_map( &the_thread->Priority_map );
+
+  _Chain_Append_unprotected( the_thread->ready, &the_thread->Object.Node );
+
+  _ISR_Flash( level );
+
+  _Thread_Calculate_heir();
+
+  heir = _Thread_Heir;
+
+  if ( !_Thread_Is_executing( heir ) && _Thread_Executing->is_preemptible ) 
+    _Context_Switch_necessary = TRUE;
+
+  _ISR_Enable( level );
+}