summaryrefslogtreecommitdiffstats
path: root/cpukit/rtems/src/dpmemdelete.c
diff options
context:
space:
mode:
Diffstat (limited to 'cpukit/rtems/src/dpmemdelete.c')
-rw-r--r--cpukit/rtems/src/dpmemdelete.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/cpukit/rtems/src/dpmemdelete.c b/cpukit/rtems/src/dpmemdelete.c
new file mode 100644
index 0000000000..003c27fecb
--- /dev/null
+++ b/cpukit/rtems/src/dpmemdelete.c
@@ -0,0 +1,66 @@
+/*
+ * Dual Port Memory 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/address.h>
+#include <rtems/rtems/dpmem.h>
+#include <rtems/score/object.h>
+#include <rtems/score/thread.h>
+#include <rtems/rtems/dpmem.h>
+
+/*PAGE
+ *
+ * rtems_port_delete
+ *
+ * This directive allows a thread to delete a dual-ported memory area
+ * specified by the dual-ported memory identifier.
+ *
+ * Input parameters:
+ * id - dual-ported memory area id
+ *
+ * Output parameters:
+ * RTEMS_SUCCESSFUL - if successful
+ * error code - if unsuccessful
+ */
+
+rtems_status_code rtems_port_delete(
+ rtems_id id
+)
+{
+ register Dual_ported_memory_Control *the_port;
+ Objects_Locations location;
+
+ the_port = _Dual_ported_memory_Get( id, &location );
+ switch ( location ) {
+
+ case OBJECTS_LOCAL:
+ _Objects_Close( &_Dual_ported_memory_Information, &the_port->Object );
+ _Dual_ported_memory_Free( the_port );
+ _Thread_Enable_dispatch();
+ return RTEMS_SUCCESSFUL;
+
+#if defined(RTEMS_MULTIPROCESSING)
+ case OBJECTS_REMOTE: /* this error cannot be returned */
+#endif
+ case OBJECTS_ERROR:
+ break;
+ }
+
+ return RTEMS_INVALID_ID;
+}