1 files changed, 104 insertions, 0 deletions
diff --git a/cpukit/score/src/threadclose.c b/cpukit/score/src/threadclose.c
new file mode 100644
index 0000000000..ea2ee5bda4
--- /dev/null
+++ b/cpukit/score/src/threadclose.c
@@ -0,0 +1,104 @@
+/*
+ *  Thread Handler / Thread Close
+ *
+ *  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>
+
+void _Thread_Close(
+  Objects_Information  *information,
+  Thread_Control       *the_thread
+)
+{
+  /*
+   *  Now we are in a dispatching critical section again and we
+   *  can take the thread OUT of the published set.  It is invalid
+   *  to use this thread's Id after this call.  This will prevent
+   *  any other task from attempting to initiate a call on this task.
+   */
+  _Objects_Invalidate_Id( information, &the_thread->Object );
+
+  /*
+   *  We assume the Allocator Mutex is locked when we get here.
+   *  This provides sufficient protection to let the user extensions
+   *  run but as soon as we get back, we will make the thread
+   *  disappear and set a transient state on it.  So we temporarily
+   *  unnest dispatching.
+   */
+  _Thread_Unnest_dispatch();
+
+  _User_extensions_Thread_delete( the_thread );
+
+  _Thread_Disable_dispatch();
+
+  /*
+   *  Now we are in a dispatching critical section again and we
+   *  can take the thread OUT of the published set.  It is invalid
+   *  to use this thread's Id OR name after this call.
+   */
+  _Objects_Close( information, &the_thread->Object );
+
+  /*
+   *  By setting the dormant state, the thread will not be considered
+   *  for scheduling when we remove any blocking states.
+   */
+  _Thread_Set_state( the_thread, STATES_DORMANT );
+
+  if ( !_Thread_queue_Extract_with_proxy( the_thread ) ) {
+    if ( _Watchdog_Is_active( &the_thread->Timer ) )
+      (void) _Watchdog_Remove( &the_thread->Timer );
+  }
+
+  /*
+   * Free the per-thread scheduling information.
+   */
+  _Scheduler_Free( the_thread );
+
+  /*
+   *  The thread might have been FP.  So deal with that.
+   */
+#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
+#if ( CPU_USE_DEFERRED_FP_SWITCH == TRUE )
+  if ( _Thread_Is_allocated_fp( the_thread ) )
+    _Thread_Deallocate_fp();
+#endif
+  the_thread->fp_context = NULL;
+
+  _Workspace_Free( the_thread->Start.fp_context );
+#endif
+
+  /*
+   *  Free the rest of the memory associated with this task
+   *  and set the associated pointers to NULL for safety.
+   */
+  _Thread_Stack_Free( the_thread );
+  the_thread->Start.stack = NULL;
+
+  _Workspace_Free( the_thread->extensions );
+  the_thread->extensions = NULL;
+}