LXR 6.1/​cpukit/​score/​src/​schedulerprioritysmp.c	Source navigation Diff markup Identifier search General search
	Version: 6.1 Revert   Change

File indexing completed on 2025-05-11 08:24:26

 /* SPDX-License-Identifier: BSD-2-Clause */
 
 /**
  * @file
  *
  * @ingroup RTEMSScoreSchedulerPrioritySMP
  *
  * @brief This source file contains the implementation of
  *   _Scheduler_priority_SMP_Add_processor(),
  *   _Scheduler_priority_SMP_Ask_for_help(), _Scheduler_priority_SMP_Block(),
  *   _Scheduler_priority_SMP_Initialize(),
  *   _Scheduler_priority_SMP_Node_initialize(),
  *   _Scheduler_priority_SMP_Reconsider_help_request(),
  *   _Scheduler_priority_SMP_Remove_processor(),
  *   _Scheduler_priority_SMP_Unblock(),
  *   _Scheduler_priority_SMP_Update_priority(),
  *   _Scheduler_priority_SMP_Withdraw_node(),
  *   _Scheduler_priority_SMP_Make_sticky(),
  *   _Scheduler_priority_SMP_Clean_sticky(), and
  *   _Scheduler_priority_SMP_Yield().
  */
 
 /*
  * Copyright (C) 2013, 2014 embedded brains GmbH & Co. KG
  *
  * 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.
  *
  * 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/score/schedulerprioritysmpimpl.h>
 
 static Scheduler_priority_SMP_Context *
 _Scheduler_priority_SMP_Get_context( const Scheduler_Control *scheduler )
 {
   return (Scheduler_priority_SMP_Context *) _Scheduler_Get_context( scheduler );
 }
 
 void _Scheduler_priority_SMP_Initialize( const Scheduler_Control *scheduler )
 {
   Scheduler_priority_SMP_Context *self =
     _Scheduler_priority_SMP_Get_context( scheduler );
 
   _Scheduler_SMP_Initialize( &self->Base );
   self->idle_ready_queue = &self->Ready[ scheduler->maximum_priority ];
   _Priority_bit_map_Initialize( &self->Bit_map );
   _Scheduler_priority_Ready_queue_initialize(
     &self->Ready[ 0 ],
     scheduler->maximum_priority
   );
 }
 
 void _Scheduler_priority_SMP_Node_initialize(
   const Scheduler_Control *scheduler,
   Scheduler_Node          *node,
   Thread_Control          *the_thread,
   Priority_Control         priority
 )
 {
   Scheduler_Context              *context;
   Scheduler_priority_SMP_Context *self;
   Scheduler_priority_SMP_Node    *the_node;
 
   the_node = _Scheduler_priority_SMP_Node_downcast( node );
   _Scheduler_SMP_Node_initialize(
     scheduler,
     &the_node->Base,
     the_thread,
     priority
   );
 
   context = _Scheduler_Get_context( scheduler );
   self = _Scheduler_priority_SMP_Get_self( context );
   _Scheduler_priority_Ready_queue_update(
     &the_node->Ready_queue,
     SCHEDULER_PRIORITY_UNMAP( priority ),
     &self->Bit_map,
     &self->Ready[ 0 ]
   );
 }
 
 static Scheduler_Node *_Scheduler_priority_SMP_Get_highest_ready(
   Scheduler_Context *context,
   Scheduler_Node    *node
 )
 {
   Scheduler_priority_SMP_Context *self =
     _Scheduler_priority_SMP_Get_self( context );
 
   (void) node;
 
   return (Scheduler_Node *) _Scheduler_priority_Ready_queue_first(
     &self->Bit_map,
     &self->Ready[ 0 ]
   );
 }
 
 void _Scheduler_priority_SMP_Block(
   const Scheduler_Control *scheduler,
   Thread_Control          *thread,
   Scheduler_Node          *node
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   _Scheduler_SMP_Block(
     context,
     thread,
     node,
     _Scheduler_SMP_Extract_from_scheduled,
     _Scheduler_priority_SMP_Extract_from_ready,
     _Scheduler_priority_SMP_Get_highest_ready,
     _Scheduler_priority_SMP_Move_from_ready_to_scheduled,
     _Scheduler_SMP_Allocate_processor_lazy,
     _Scheduler_priority_SMP_Get_idle
   );
 }
 
 static bool _Scheduler_priority_SMP_Enqueue(
   Scheduler_Context *context,
   Scheduler_Node    *node,
   Priority_Control   insert_priority
 )
 {
   return _Scheduler_SMP_Enqueue(
     context,
     node,
     insert_priority,
     _Scheduler_SMP_Priority_less_equal,
     _Scheduler_priority_SMP_Insert_ready,
     _Scheduler_SMP_Insert_scheduled,
     _Scheduler_priority_SMP_Move_from_scheduled_to_ready,
     _Scheduler_priority_SMP_Move_from_ready_to_scheduled,
     _Scheduler_SMP_Get_lowest_scheduled,
     _Scheduler_SMP_Allocate_processor_lazy,
     _Scheduler_priority_SMP_Get_idle,
     _Scheduler_priority_SMP_Release_idle
   );
 }
 
 static void _Scheduler_priority_SMP_Enqueue_scheduled(
   Scheduler_Context *context,
   Scheduler_Node    *node,
   Priority_Control   insert_priority
 )
 {
   _Scheduler_SMP_Enqueue_scheduled(
     context,
     node,
     insert_priority,
     _Scheduler_SMP_Priority_less_equal,
     _Scheduler_priority_SMP_Extract_from_ready,
     _Scheduler_priority_SMP_Get_highest_ready,
     _Scheduler_priority_SMP_Insert_ready,
     _Scheduler_SMP_Insert_scheduled,
     _Scheduler_priority_SMP_Move_from_ready_to_scheduled,
     _Scheduler_SMP_Allocate_processor_lazy,
     _Scheduler_priority_SMP_Get_idle,
     _Scheduler_priority_SMP_Release_idle
   );
 }
 
 void _Scheduler_priority_SMP_Unblock(
   const Scheduler_Control *scheduler,
   Thread_Control          *thread,
   Scheduler_Node          *node
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   _Scheduler_SMP_Unblock(
     context,
     thread,
     node,
     _Scheduler_priority_SMP_Do_update,
     _Scheduler_priority_SMP_Enqueue,
     _Scheduler_priority_SMP_Release_idle
   );
 }
 
 static bool _Scheduler_priority_SMP_Do_ask_for_help(
   Scheduler_Context *context,
   Thread_Control    *the_thread,
   Scheduler_Node    *node
 )
 {
   return _Scheduler_SMP_Ask_for_help(
     context,
     the_thread,
     node,
     _Scheduler_SMP_Priority_less_equal,
     _Scheduler_priority_SMP_Insert_ready,
     _Scheduler_SMP_Insert_scheduled,
     _Scheduler_priority_SMP_Move_from_scheduled_to_ready,
     _Scheduler_SMP_Get_lowest_scheduled,
     _Scheduler_SMP_Allocate_processor_lazy,
     _Scheduler_priority_SMP_Release_idle
   );
 }
 
 void _Scheduler_priority_SMP_Update_priority(
   const Scheduler_Control *scheduler,
   Thread_Control          *thread,
   Scheduler_Node          *node
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   _Scheduler_SMP_Update_priority(
     context,
     thread,
     node,
     _Scheduler_SMP_Extract_from_scheduled,
     _Scheduler_priority_SMP_Extract_from_ready,
     _Scheduler_priority_SMP_Do_update,
     _Scheduler_priority_SMP_Enqueue,
     _Scheduler_priority_SMP_Enqueue_scheduled,
     _Scheduler_priority_SMP_Do_ask_for_help
   );
 }
 
 bool _Scheduler_priority_SMP_Ask_for_help(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   return _Scheduler_priority_SMP_Do_ask_for_help( context, the_thread, node );
 }
 
 void _Scheduler_priority_SMP_Reconsider_help_request(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   _Scheduler_SMP_Reconsider_help_request(
     context,
     the_thread,
     node,
     _Scheduler_priority_SMP_Extract_from_ready
   );
 }
 
 void _Scheduler_priority_SMP_Withdraw_node(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node,
   Thread_Scheduler_state   next_state
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   _Scheduler_SMP_Withdraw_node(
     context,
     the_thread,
     node,
     next_state,
     _Scheduler_SMP_Extract_from_scheduled,
     _Scheduler_priority_SMP_Extract_from_ready,
     _Scheduler_priority_SMP_Get_highest_ready,
     _Scheduler_priority_SMP_Move_from_ready_to_scheduled,
     _Scheduler_SMP_Allocate_processor_lazy,
     _Scheduler_priority_SMP_Get_idle
   );
 }
 
 void _Scheduler_priority_SMP_Make_sticky(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 )
 {
   _Scheduler_SMP_Make_sticky(
     scheduler,
     the_thread,
     node,
     _Scheduler_priority_SMP_Do_update,
     _Scheduler_priority_SMP_Enqueue
   );
 }
 
 void _Scheduler_priority_SMP_Clean_sticky(
   const Scheduler_Control *scheduler,
   Thread_Control          *the_thread,
   Scheduler_Node          *node
 )
 {
   _Scheduler_SMP_Clean_sticky(
     scheduler,
     the_thread,
     node,
     _Scheduler_SMP_Extract_from_scheduled,
     _Scheduler_priority_SMP_Extract_from_ready,
     _Scheduler_priority_SMP_Get_highest_ready,
     _Scheduler_priority_SMP_Move_from_ready_to_scheduled,
     _Scheduler_SMP_Allocate_processor_lazy,
     _Scheduler_priority_SMP_Get_idle,
     _Scheduler_priority_SMP_Release_idle
   );
 }
 
 void _Scheduler_priority_SMP_Add_processor(
   const Scheduler_Control *scheduler,
   Thread_Control          *idle
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   _Scheduler_SMP_Add_processor(
     context,
     idle,
     _Scheduler_priority_SMP_Has_ready,
     _Scheduler_priority_SMP_Enqueue_scheduled,
     _Scheduler_SMP_Do_nothing_register_idle
   );
 }
 
 Thread_Control *_Scheduler_priority_SMP_Remove_processor(
   const Scheduler_Control *scheduler,
   Per_CPU_Control         *cpu
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   return _Scheduler_SMP_Remove_processor(
     context,
     cpu,
     _Scheduler_SMP_Extract_from_scheduled,
     _Scheduler_priority_SMP_Extract_from_ready,
     _Scheduler_priority_SMP_Enqueue,
     _Scheduler_priority_SMP_Get_idle,
     _Scheduler_priority_SMP_Release_idle
   );
 }
 
 void _Scheduler_priority_SMP_Yield(
   const Scheduler_Control *scheduler,
   Thread_Control          *thread,
   Scheduler_Node          *node
 )
 {
   Scheduler_Context *context = _Scheduler_Get_context( scheduler );
 
   _Scheduler_SMP_Yield(
     context,
     thread,
     node,
     _Scheduler_SMP_Extract_from_scheduled,
     _Scheduler_priority_SMP_Extract_from_ready,
     _Scheduler_priority_SMP_Enqueue,
     _Scheduler_priority_SMP_Enqueue_scheduled
   );
 }

This page was automatically generated by the 2.3.7 LXR engine. The LXR team