rtems: Add _RTEMS_Name_to_id()

Simplify object name to identifier directives.  Using
_RTEMS_Name_to_id() to implement the directives enables a tail call
optimization.

Change license to BSD-2-Clause according to file history.

Update #3053.

1 files changed, 39 insertions, 26 deletions

diff --git a/cpukit/rtems/src/taskident.c b/cpukit/rtems/src/taskident.c
index d35a617c1f..501bd0b05f 100644
--- a/cpukit/rtems/src/taskident.c
+++ b/cpukit/rtems/src/taskident.c
@@ -1,53 +1,66 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
 /**
- *  @file
+ * @file
+ *
+ * @ingroup ClassicTasksImpl
  *
- *  @brief RTEMS Task Name to Id
- *  @ingroup ClassicTasks
+ * @brief rtems_task_ident() Implementation
  */
 
 /*
- *  COPYRIGHT (c) 1989-1999.
- *  On-Line Applications Research Corporation (OAR).
+ * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ * Copyright (C) 1989 On-Line Applications Research Corporation (OAR).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
  *
- *  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.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <rtems/rtems/statusimpl.h>
-#include <rtems/rtems/support.h>
-#include <rtems/rtems/modes.h>
-#include <rtems/score/stack.h>
 #include <rtems/rtems/tasksimpl.h>
-#include <rtems/score/thread.h>
-#include <rtems/score/wkspace.h>
+#include <rtems/rtems/objectimpl.h>
+#include <rtems/score/percpu.h>
 
 rtems_status_code rtems_task_ident(
-  rtems_name    name,
-  uint32_t      node,
-  rtems_id     *id
+  rtems_name  name,
+  uint32_t    node,
+  rtems_id   *id
 )
 {
-  Objects_Name_or_id_lookup_errors  status;
-
-  if ( !id )
+  if ( id == NULL ) {
     return RTEMS_INVALID_ADDRESS;
+  }
 
   if ( name == OBJECTS_ID_OF_SELF ) {
     *id = _Thread_Get_executing()->Object.id;
     return RTEMS_SUCCESSFUL;
-   }
+  }
 
-  status = _Objects_Name_to_id_u32(
-    &_RTEMS_tasks_Information.Objects,
+  return _RTEMS_Name_to_id(
     name,
     node,
-    id
+    id,
+    &_RTEMS_tasks_Information.Objects
   );
-
-  return _Status_Object_name_errors_to_status[ status ];
 }