1 files changed, 76 insertions, 0 deletions
diff --git a/cpukit/rtems/src/taskvariabledelete.c b/cpukit/rtems/src/taskvariabledelete.c
new file mode 100644
index 0000000000..fe34732f57
--- /dev/null
+++ b/cpukit/rtems/src/taskvariabledelete.c
@@ -0,0 +1,76 @@
+/*
+ *  rtems_task_variable_delete - Delete a per-task variable
+ *
+ *
+ *  COPYRIGHT (c) 1989-2007.
+ *  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/rtems/tasks.h>
+#include <rtems/score/wkspace.h>
+
+/*
+ *  rtems_task_variable_delete
+ *
+ *  This directive removes a task variable.
+ */
+
+rtems_status_code rtems_task_variable_delete(
+  rtems_id  tid,
+  void    **ptr
+)
+{
+  Thread_Control        *the_thread;
+  Objects_Locations      location;
+  rtems_task_variable_t *tvp, *prev;
+
+  if ( !ptr )
+    return RTEMS_INVALID_ADDRESS;
+
+  prev = NULL;
+
+  the_thread = _Thread_Get (tid, &location);
+  switch (location) {
+
+    case OBJECTS_LOCAL:
+      tvp = the_thread->task_variables;
+      while (tvp) {
+        if (tvp->ptr == ptr) {
+          if (prev)
+            prev->next = tvp->next;
+          else
+            the_thread->task_variables = (rtems_task_variable_t *)tvp->next;
+
+          _RTEMS_Tasks_Invoke_task_variable_dtor( the_thread, tvp );
+          _Thread_Enable_dispatch();
+          return RTEMS_SUCCESSFUL;
+        }
+        prev = tvp;
+        tvp = (rtems_task_variable_t *)tvp->next;
+      }
+      _Thread_Enable_dispatch();
+      return RTEMS_INVALID_ADDRESS;
+
+#if defined(RTEMS_MULTIPROCESSING)
+    case OBJECTS_REMOTE:
+      _Thread_Dispatch();
+      return RTEMS_ILLEGAL_ON_REMOTE_OBJECT;
+#endif
+
+    case OBJECTS_ERROR:
+        break;
+  }
+
+  return RTEMS_INVALID_ID;
+}