score: Delete _Chain_Get_with_empty_check()

This function is not used in the score.

Update #2555.

cpukit/sapi/include/rtems/chain.h

@@ -780,20 +780,10 @@ bool rtems_chain_prepend_with_empty_check(
  * @retval true The chain is empty after the node removal.
  * @retval false The chain contained at least one node after the node removal.
  */
-#if defined( RTEMS_SMP )
 bool rtems_chain_get_with_empty_check(
   rtems_chain_control *chain,
   rtems_chain_node **node
 );
-#else
-RTEMS_INLINE_ROUTINE bool rtems_chain_get_with_empty_check(
-  rtems_chain_control *chain,
-  rtems_chain_node **node
-)
-{
-  return _Chain_Get_with_empty_check( chain, node );
-}
-#endif
 
 /**
  * @brief Returns the node count of the chain.

cpukit/sapi/src/chainprotected.c

@@ -119,8 +119,6 @@ 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
@@ -135,5 +133,3 @@ bool rtems_chain_get_with_empty_check(
 
   return is_empty_now;
 }
-
-#endif /* defined( RTEMS_SMP ) */

cpukit/score/Makefile.am

@@ -347,7 +347,6 @@ 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/chaingetempty.c \
     src/chainnodecount.c \
     src/debugisthreaddispatchingallowed.c \
     src/interr.c src/isr.c src/wkspace.c src/wkstringduplicate.c

cpukit/score/include/rtems/score/chainimpl.h

@@ -144,31 +144,6 @@ void _Chain_Append(
   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
- * a pointer to that node in @a the_node.  If the_chain is empty, then NULL is
- * returned.
- *
- * @param[in] the_chain is the chain to attempt to get the first node from.
- * @param[out] the_node is the first node on the chain or NULL if the chain is
- * empty.
- *
- * @note It disables interrupts to ensure the atomicity of the append
- * operation.
- *
- * @retval true The chain is empty now.
- * @retval false The chain contains at least one node now.
- *
- *  - INTERRUPT LATENCY:
- *    + single case
- */
-bool _Chain_Get_with_empty_check(
-  Chain_Control *the_chain,
-  Chain_Node **the_node
-);
-
 /**
  * @brief Returns the node count of the chain.
  *

cpukit/score/src/chaingetempty.c

@@ -1,44 +0,0 @@
-/**
- * @file
- *
- * @ingroup ScoreChain
- *
- * @brief _Chain_Get_with_empty_check() implementation.
- */
-
-/*
- * Copyright (c) 2010 embedded brains GmbH.  All rights reserved.
- *
- *  embedded brains GmbH
- *  Obere Lagerstr. 30
- *  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/system.h>
-#include <rtems/score/chainimpl.h>
-#include <rtems/score/isr.h>
-
-bool _Chain_Get_with_empty_check(
-  Chain_Control *chain,
-  Chain_Node **node
-)
-{
-  ISR_Level level;
-  bool is_empty_now;
-
-  _ISR_Disable( level );
-  is_empty_now = _Chain_Get_with_empty_check_unprotected( chain, node );
-  _ISR_Enable( level );
-
-  return is_empty_now;
-}