score: Delete unused scheduler ask for help X op

1 files changed, 0 insertions, 152 deletions

diff --git a/cpukit/score/include/rtems/score/schedulerimpl.h b/cpukit/score/include/rtems/score/schedulerimpl.h
index 74cfb58e78..54ddd534fd 100644
--- a/cpukit/score/include/rtems/score/schedulerimpl.h
+++ b/cpukit/score/include/rtems/score/schedulerimpl.h
@@ -1297,158 +1297,6 @@ RTEMS_INLINE_ROUTINE bool _Scheduler_Unblock_node(
 
   return unblock;
 }
-
-/**
- * @brief Asks a ready scheduler node for help.
- *
- * @param[in] node The ready node offering help.
- * @param[in] needs_help The thread needing help.
- *
- * @retval needs_help The thread needing help.
- */
-RTEMS_INLINE_ROUTINE Thread_Control *_Scheduler_Ask_ready_node_for_help(
-  Scheduler_Node *node,
-  Thread_Control *needs_help
-)
-{
-  _Scheduler_Node_set_user( node, needs_help );
-
-  return needs_help;
-}
-
-/**
- * @brief Asks a scheduled scheduler node for help.
- *
- * @param[in] context The scheduler instance context.
- * @param[in] node The scheduled node offering help.
- * @param[in] offers_help The thread offering help.
- * @param[in] needs_help The thread needing help.
- * @param[in] previous_accepts_help The previous thread accepting help by this
- *   scheduler node.
- * @param[in] release_idle_thread Function to release an idle thread.
- *
- * @retval needs_help The previous thread accepting help by this scheduler node
- *   which was displaced by the thread needing help.
- * @retval NULL There are no more threads needing help.
- */
-RTEMS_INLINE_ROUTINE Thread_Control *_Scheduler_Ask_scheduled_node_for_help(
-  Scheduler_Context             *context,
-  Scheduler_Node                *node,
-  Thread_Control                *offers_help,
-  Thread_Control                *needs_help,
-  Thread_Control                *previous_accepts_help,
-  Scheduler_Release_idle_thread  release_idle_thread
-)
-{
-  Thread_Control *next_needs_help = NULL;
-  Thread_Control *old_user = NULL;
-  Thread_Control *new_user = NULL;
-
-  if (
-    previous_accepts_help != needs_help
-      && _Scheduler_Thread_get_node( previous_accepts_help ) == node
-  ) {
-    Thread_Control *idle = _Scheduler_Release_idle_thread(
-      context,
-      node,
-      release_idle_thread
-    );
-
-    if ( idle != NULL ) {
-      old_user = idle;
-    } else {
-      _Assert( _Scheduler_Node_get_user( node ) == previous_accepts_help );
-      old_user = previous_accepts_help;
-    }
-
-    if ( needs_help->Scheduler.state == THREAD_SCHEDULER_READY ) {
-      new_user = needs_help;
-    } else {
-      _Assert(
-        node->help_state == SCHEDULER_HELP_ACTIVE_OWNER
-          || node->help_state == SCHEDULER_HELP_ACTIVE_RIVAL
-      );
-      _Assert( offers_help->Scheduler.node == offers_help->Scheduler.own_node );
-
-      new_user = offers_help;
-    }
-
-    if ( previous_accepts_help != offers_help ) {
-      next_needs_help = previous_accepts_help;
-    }
-  } else if ( needs_help->Scheduler.state == THREAD_SCHEDULER_READY ) {
-    Thread_Control *idle = _Scheduler_Release_idle_thread(
-      context,
-      node,
-      release_idle_thread
-    );
-
-    if ( idle != NULL ) {
-      old_user = idle;
-    } else {
-      old_user = _Scheduler_Node_get_user( node );
-    }
-
-    new_user = needs_help;
-  } else {
-    _Assert( needs_help->Scheduler.state == THREAD_SCHEDULER_SCHEDULED );
-  }
-
-  if ( new_user != old_user ) {
-    Per_CPU_Control *cpu_self = _Per_CPU_Get();
-    Per_CPU_Control *cpu = _Thread_Get_CPU( old_user );
-
-    _Scheduler_Thread_change_state( old_user, THREAD_SCHEDULER_READY );
-    _Scheduler_Thread_set_scheduler_and_node(
-      old_user,
-      _Thread_Scheduler_get_own_node( old_user ),
-      old_user
-    );
-
-    _Scheduler_Thread_change_state( new_user, THREAD_SCHEDULER_SCHEDULED );
-    _Scheduler_Thread_set_scheduler_and_node( new_user, node, offers_help );
-
-    _Scheduler_Node_set_user( node, new_user );
-    _Thread_Set_CPU( new_user, cpu );
-    _Thread_Dispatch_update_heir( cpu_self, cpu, new_user );
-  }
-
-  return next_needs_help;
-}
-
-/**
- * @brief Asks a blocked scheduler node for help.
- *
- * @param[in] context The scheduler instance context.
- * @param[in] node The scheduled node offering help.
- * @param[in] offers_help The thread offering help.
- * @param[in] needs_help The thread needing help.
- *
- * @retval true Enqueue this scheduler node.
- * @retval false Otherwise.
- */
-RTEMS_INLINE_ROUTINE bool _Scheduler_Ask_blocked_node_for_help(
-  Scheduler_Context *context,
-  Scheduler_Node    *node,
-  Thread_Control    *offers_help,
-  Thread_Control    *needs_help
-)
-{
-  bool enqueue;
-
-  _Assert( node->help_state == SCHEDULER_HELP_PASSIVE );
-
-  if ( needs_help->Scheduler.state == THREAD_SCHEDULER_READY ) {
-    _Scheduler_Node_set_user( node, needs_help );
-    _Scheduler_Thread_set_scheduler_and_node( needs_help, node, offers_help );
-
-    enqueue = true;
-  } else {
-    enqueue = false;
-  }
-
-  return enqueue;
-}
 #endif
 
 RTEMS_INLINE_ROUTINE void _Scheduler_Update_heir(