From 3bf2bcc8c630aa68ad869bbe44197d8cc2370c72 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 4 Apr 2016 09:36:01 +0200
Subject: [PATCH] score: Delete _Chain_Get()

This function is not used in the score.

Update #2555.
---
 cpukit/sapi/include/rtems/chain.h            |  9 -----
 cpukit/sapi/src/chainprotected.c             |  4 --
 cpukit/score/Makefile.am                     |  1 -
 cpukit/score/include/rtems/score/chainimpl.h | 16 --------
 cpukit/score/src/chainget.c                  | 39 --------------------
 5 files changed, 69 deletions(-)
 delete mode 100644 cpukit/score/src/chainget.c

diff --git a/cpukit/sapi/include/rtems/chain.h b/cpukit/sapi/include/rtems/chain.h
index 4bbdd530f6..d9254449e1 100644
--- a/cpukit/sapi/include/rtems/chain.h
+++ b/cpukit/sapi/include/rtems/chain.h
@@ -591,18 +591,9 @@ RTEMS_INLINE_ROUTINE void rtems_chain_extract_unprotected(
  *
  *  NOTE: It disables interrupts to ensure the atomicity of the get operation.
  */
-#if defined( RTEMS_SMP )
 rtems_chain_node *rtems_chain_get(
   rtems_chain_control *the_chain
 );
-#else
-RTEMS_INLINE_ROUTINE rtems_chain_node *rtems_chain_get(
-  rtems_chain_control *the_chain
-)
-{
-  return _Chain_Get( the_chain );
-}
-#endif
 
 /**
  * @brief See _Chain_Get_unprotected().
diff --git a/cpukit/sapi/src/chainprotected.c b/cpukit/sapi/src/chainprotected.c
index e3ae7fd21f..01356665a6 100644
--- a/cpukit/sapi/src/chainprotected.c
+++ b/cpukit/sapi/src/chainprotected.c
@@ -40,8 +40,6 @@ void rtems_chain_extract( rtems_chain_node *node )
   chain_release( &lock_context );
 }
 
-#if defined( RTEMS_SMP )
-
 rtems_chain_node *rtems_chain_get( rtems_chain_control *chain )
 {
   rtems_chain_node *node;
@@ -54,8 +52,6 @@ rtems_chain_node *rtems_chain_get( rtems_chain_control *chain )
   return node;
 }
 
-#endif /* defined( RTEMS_SMP ) */
-
 void rtems_chain_insert( rtems_chain_node *after_node, rtems_chain_node *node )
 {
   rtems_interrupt_lock_context lock_context;
diff --git a/cpukit/score/Makefile.am b/cpukit/score/Makefile.am
index 6b4afdf529..403508ddb8 100644
--- a/cpukit/score/Makefile.am
+++ b/cpukit/score/Makefile.am
@@ -346,7 +346,6 @@ libscore_a_SOURCES += src/userextaddset.c \
 
 ## STD_C_FILES
 libscore_a_SOURCES += src/chain.c src/chainappend.c \
-    src/chainget.c \
     src/chainnodecount.c \
     src/debugisthreaddispatchingallowed.c \
     src/interr.c src/isr.c src/wkspace.c src/wkstringduplicate.c
diff --git a/cpukit/score/include/rtems/score/chainimpl.h b/cpukit/score/include/rtems/score/chainimpl.h
index 40f9fd145c..166b58bfcc 100644
--- a/cpukit/score/include/rtems/score/chainimpl.h
+++ b/cpukit/score/include/rtems/score/chainimpl.h
@@ -79,22 +79,6 @@ void _Chain_Initialize(
   size_t         node_size
 );
 
-/**
- *  @brief Obtain the first node on a chain.
- *
- *  This function removes the first node from @a the_chain and returns
- *  a pointer to that node.  If @a the_chain is empty, then NULL is returned.
- *
- *  @retval This method returns a pointer a node.  If a node was removed,
- *          then a pointer to that node is returned.  If @a the_chain was
- *          empty, then NULL is returned.
- *
- *  @note It disables interrupts to ensure the atomicity of the get operation.
- */
-Chain_Node *_Chain_Get(
-  Chain_Control *the_chain
-);
-
 /**
  *  @brief Append a node on the end of a chain.
  *
diff --git a/cpukit/score/src/chainget.c b/cpukit/score/src/chainget.c
deleted file mode 100644
index 86bdc2396b..0000000000
--- a/cpukit/score/src/chainget.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/**
- * @file
- *
- * @brief Get the First Node
- * @ingroup ScoreChain
- */
-
-/*
- *  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.org/license/LICENSE.
- */
-
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <rtems/system.h>
-#include <rtems/score/address.h>
-#include <rtems/score/chainimpl.h>
-#include <rtems/score/isr.h>
-
-Chain_Node *_Chain_Get(
-  Chain_Control *the_chain
-)
-{
-  ISR_Level          level;
-  Chain_Node *return_node;
-
-  return_node = NULL;
-  _ISR_Disable( level );
-    if ( !_Chain_Is_empty( the_chain ) )
-      return_node = _Chain_Get_first_unprotected( the_chain );
-  _ISR_Enable( level );
-  return return_node;
-}