score: Add and use _Objects_Get_local()

This simplifies the handling with local-only objects.

Update #2555.

1 files changed, 53 insertions, 0 deletions

diff --git a/cpukit/score/src/objectgetlocal.c b/cpukit/score/src/objectgetlocal.c
new file mode 100644
index 0000000000..8a93a765c9
--- /dev/null
+++ b/cpukit/score/src/objectgetlocal.c
@@ -0,0 +1,53 @@
+/**
+ *  @file
+ *
+ *  @brief Object Get Local
+ *  @ingroup ScoreObject
+ */
+
+/*
+ * Copyright (c) 2016 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/objectimpl.h>
+
+Objects_Control *_Objects_Get_local(
+  const Objects_Information *information,
+  Objects_Id                 id,
+  ISR_lock_Context          *lock_context
+)
+{
+  uint32_t index;
+
+  index = id - information->minimum_id + 1;
+
+  if ( information->maximum >= index ) {
+    Objects_Control *the_object;
+
+    _ISR_lock_ISR_disable( lock_context );
+
+    the_object = information->local_table[ index ];
+    if ( the_object != NULL ) {
+      /* ISR disabled on behalf of caller */
+      return the_object;
+    }
+
+    _ISR_lock_ISR_enable( lock_context );
+  }
+
+  return NULL;
+}