1 files changed, 58 insertions, 0 deletions
diff --git a/cpukit/score/src/threadclearstate.c b/cpukit/score/src/threadclearstate.c
new file mode 100644
index 0000000000..afeab04e8e
--- /dev/null
+++ b/cpukit/score/src/threadclearstate.c
@@ -0,0 +1,58 @@
+/*
+ *  Thread Handler / Thread Clear State
+ *
+ *  COPYRIGHT (c) 1989-2011.
+ *  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/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/scheduler.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>
+
+/*
+ *  INTERRUPT LATENCY:
+ *    priority map
+ *    select heir
+ */
+void _Thread_Clear_state(
+  Thread_Control *the_thread,
+  States_Control  state
+)
+{
+  ISR_Level       level;
+  States_Control  current_state;
+
+  _ISR_Disable( level );
+    current_state = the_thread->current_state;
+
+    if ( current_state & state ) {
+      current_state =
+      the_thread->current_state = _States_Clear( state, current_state );
+
+      if ( _States_Is_ready( current_state ) ) {
+        _Scheduler_Unblock( the_thread );
+      }
+  }
+  _ISR_Enable( level );
+}