[PATCH 10/15] score: Delete _Chain_Prepend_with_empty_check()

[Sebastian Huber]

This function is not used in the score.

Update #2555.
---
 cpukit/sapi/include/rtems/chain.h            | 10 -------
 cpukit/sapi/src/chainprotected.c             |  4 +--
 cpukit/score/Makefile.am                     |  2 +-
 cpukit/score/include/rtems/score/chainimpl.h | 19 ------------
 cpukit/score/src/chainprependempty.c         | 44 ----------------------------
 5 files changed, 3 insertions(+), 76 deletions(-)
 delete mode 100644 cpukit/score/src/chainprependempty.c

diff --git a/cpukit/sapi/include/rtems/chain.h b/cpukit/sapi/include/rtems/chain.h
index 01d743f..887623b 100644
--- a/cpukit/sapi/include/rtems/chain.h
+++ b/cpukit/sapi/include/rtems/chain.h
@@ -763,20 +763,10 @@ bool rtems_chain_append_with_empty_check(
  * @retval true The chain was empty before the prepend.
  * @retval false The chain contained at least one node before the prepend.
  */
-#if defined( RTEMS_SMP )
 bool rtems_chain_prepend_with_empty_check(
   rtems_chain_control *chain,
   rtems_chain_node *node
 );
-#else
-RTEMS_INLINE_ROUTINE bool rtems_chain_prepend_with_empty_check(
-  rtems_chain_control *chain,
-  rtems_chain_node *node
-)
-{
-  return _Chain_Prepend_with_empty_check( chain, node );
-}
-#endif
 
 /**
  * @brief Tries to get the first @a node and check if the @a chain is empty
diff --git a/cpukit/sapi/src/chainprotected.c b/cpukit/sapi/src/chainprotected.c
index 51842f4..087c8e7 100644
--- a/cpukit/sapi/src/chainprotected.c
+++ b/cpukit/sapi/src/chainprotected.c
@@ -104,8 +104,6 @@ bool rtems_chain_append_with_empty_check(
   return was_empty;
 }
 
-#if defined( RTEMS_SMP )
-
 bool rtems_chain_prepend_with_empty_check(
   rtems_chain_control *chain,
   rtems_chain_node *node
@@ -121,6 +119,8 @@ bool rtems_chain_prepend_with_empty_check(
   return was_empty;
 }
 
+#if defined( RTEMS_SMP )
+
 bool rtems_chain_get_with_empty_check(
   rtems_chain_control *chain,
   rtems_chain_node **node
diff --git a/cpukit/score/Makefile.am b/cpukit/score/Makefile.am
index 93490dc..914fa3a 100644
--- a/cpukit/score/Makefile.am
+++ b/cpukit/score/Makefile.am
@@ -347,7 +347,7 @@ libscore_a_SOURCES += src/userextaddset.c \
 ## STD_C_FILES
 libscore_a_SOURCES += src/chain.c src/chainappend.c \
     src/chainextract.c src/chainget.c src/chaininsert.c \
-    src/chainprependempty.c src/chaingetempty.c \
+    src/chaingetempty.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 4153107..f23fab8 100644
--- a/cpukit/score/include/rtems/score/chainimpl.h
+++ b/cpukit/score/include/rtems/score/chainimpl.h
@@ -145,25 +145,6 @@ void _Chain_Append(
 );
 
 /**
- * @brief Prepend a node and check if the chain was empty before.
- *
- * This routine prepends the_node onto the front of the_chain.
- *
- * @param[in] the_chain is the chain to be operated upon.
- * @param[in] the_node is the node to be prepended.
- *
- * @note It disables interrupts to ensure the atomicity of the append
- * operation.
- *
- * @retval true The chain was empty before.
- * @retval false The chain contained at least one node before.
- */
-bool _Chain_Prepend_with_empty_check(
-  Chain_Control *the_chain,
-  Chain_Node    *the_node
-);
-
-/**
  * @brief Get the first node and check if the chain is empty afterwards.
  *
  * This function removes the first node from the_chain and returns
diff --git a/cpukit/score/src/chainprependempty.c b/cpukit/score/src/chainprependempty.c
deleted file mode 100644
index f83d628..0000000
--- a/cpukit/score/src/chainprependempty.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/**
- * @file
- *
- * @ingroup ScoreChain
- *
- * @brief _Chain_Prepend_with_empty_check() implementation.
- */
-
-/*
- * Copyright (c) 2010 embedded brains GmbH.  All rights reserved.
- *
- *  embedded brains GmbH
- *  Obere Lagerstr. 30
- *  82178 Puchheim
- *  Germany
- *  <rtems at 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/system.h>
-#include <rtems/score/chainimpl.h>
-#include <rtems/score/isr.h>
-
-bool _Chain_Prepend_with_empty_check(
-  Chain_Control *chain,
-  Chain_Node *node
-)
-{
-  ISR_Level level;
-  bool was_empty;
-
-  _ISR_Disable( level );
-  was_empty = _Chain_Prepend_with_empty_check_unprotected( chain, node );
-  _ISR_Enable( level );
-
-  return was_empty;
-}
-- 
1.8.4.5