1 files changed, 82 insertions, 0 deletions
diff --git a/cpukit/rtems/src/regiondelete.c b/cpukit/rtems/src/regiondelete.c
new file mode 100644
index 0000000000..8217e68f71
--- /dev/null
+++ b/cpukit/rtems/src/regiondelete.c
@@ -0,0 +1,82 @@
+/*
+ *  Region Manager
+ *
+ *
+ *  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/status.h>
+#include <rtems/rtems/support.h>
+#include <rtems/score/object.h>
+#include <rtems/rtems/options.h>
+#include <rtems/rtems/region.h>
+#include <rtems/score/states.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/apimutex.h>
+
+/*PAGE
+ *
+ *  rtems_region_delete
+ *
+ *  This directive allows a thread to delete a region specified by
+ *  the region identifier, provided that none of its segments are
+ *  still allocated.
+ *
+ *  Input parameters:
+ *    id - region id
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL - if successful
+ *    error code       - if unsuccessful
+ */
+
+rtems_status_code rtems_region_delete(
+  rtems_id id
+)
+{
+  Objects_Locations   location;
+  rtems_status_code   return_status;
+  Region_Control     *the_region;
+
+  _RTEMS_Lock_allocator();
+
+    the_region = _Region_Get( id, &location );
+    switch ( location ) {
+
+      case OBJECTS_LOCAL:
+        _Region_Debug_Walk( the_region, 5 );
+        if ( the_region->number_of_used_blocks != 0 )
+          return_status = RTEMS_RESOURCE_IN_USE;
+        else {
+          _Objects_Close( &_Region_Information, &the_region->Object );
+          _Region_Free( the_region );
+          return_status = RTEMS_SUCCESSFUL;
+        }
+        break;
+
+#if defined(RTEMS_MULTIPROCESSING)
+      case OBJECTS_REMOTE:        /* this error cannot be returned */
+        break;
+#endif
+
+      case OBJECTS_ERROR:
+      default:
+        return_status = RTEMS_INVALID_ID;
+        break;
+    }
+
+  _RTEMS_Unlock_allocator();
+  return return_status;
+}