chain.h

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/* SPDX-License-Identifier: BSD-2-Clause */

 
/*
 *  Copyright (C) 2010, 2014 embedded brains GmbH & Co. KG
 *
 *  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 * 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.
 */
 
#ifndef _RTEMS_CHAIN_H
#define _RTEMS_CHAIN_H
 
#include <rtems/score/chainimpl.h>
#include <rtems/rtems/event.h>
 
#ifdef __cplusplus
extern "C" {
#endif

 
typedef Chain_Node rtems_chain_node;
 
typedef Chain_Control rtems_chain_control;

#define RTEMS_CHAIN_INITIALIZER_EMPTY( name ) \
  CHAIN_INITIALIZER_EMPTY( name )

#define RTEMS_CHAIN_INITIALIZER_ONE_NODE( node ) \
  CHAIN_INITIALIZER_ONE_NODE( node )

#define RTEMS_CHAIN_NODE_INITIALIZER_ONE_NODE_CHAIN( chain ) \
  CHAIN_NODE_INITIALIZER_ONE_NODE_CHAIN( chain )

#define RTEMS_CHAIN_DEFINE_EMPTY( name ) \
  rtems_chain_control name = RTEMS_CHAIN_INITIALIZER_EMPTY( name )

rtems_status_code rtems_chain_append_with_notification(
  rtems_chain_control *chain,
  rtems_chain_node *node,
  rtems_id task,
  rtems_event_set events
);

rtems_status_code rtems_chain_prepend_with_notification(
  rtems_chain_control *chain,
  rtems_chain_node *node,
  rtems_id task,
  rtems_event_set events
);

rtems_status_code rtems_chain_get_with_notification(
  rtems_chain_control *chain,
  rtems_id task,
  rtems_event_set events,
  rtems_chain_node **node
);

rtems_status_code rtems_chain_get_with_wait(
  rtems_chain_control *chain,
  rtems_event_set events,
  rtems_interval timeout,
  rtems_chain_node **node
);

static inline void rtems_chain_initialize(
  rtems_chain_control *the_chain,
  void                *starting_address,
  size_t               number_nodes,
  size_t               node_size
)
{
  _Chain_Initialize(
    the_chain,
    starting_address,
    number_nodes,
    node_size
  );
}

static inline void rtems_chain_initialize_empty(
  rtems_chain_control *the_chain
)
{
  _Chain_Initialize_empty( the_chain );
}

static inline void rtems_chain_set_off_chain(
  rtems_chain_node *node
)
{
  _Chain_Set_off_chain( node );
}

static inline void rtems_chain_initialize_node(
  rtems_chain_node *node
)
{
  _Chain_Initialize_node( node );
}

static inline bool rtems_chain_is_node_off_chain(
  const rtems_chain_node *node
)
{
  return _Chain_Is_node_off_chain( node );
}

static inline bool rtems_chain_is_null_node(
  const rtems_chain_node *the_node
)
{
  return the_node == NULL;
}

static inline rtems_chain_node *rtems_chain_head(
  rtems_chain_control *the_chain
)
{
  return _Chain_Head( the_chain );
}

static inline const rtems_chain_node *rtems_chain_immutable_head(
  const rtems_chain_control *the_chain
)
{
  return _Chain_Immutable_head( the_chain );
}

static inline rtems_chain_node *rtems_chain_tail(
  rtems_chain_control *the_chain
)
{
  return _Chain_Tail( the_chain );
}

static inline const rtems_chain_node *rtems_chain_immutable_tail(
  const rtems_chain_control *the_chain
)
{
  return _Chain_Immutable_tail( the_chain );
}

static inline rtems_chain_node *rtems_chain_first(
  const rtems_chain_control *the_chain
)
{
  return _Chain_First( the_chain );
}

static inline const rtems_chain_node *rtems_chain_immutable_first(
  const rtems_chain_control *the_chain
)
{
  return _Chain_Immutable_first( the_chain );
}

static inline rtems_chain_node *rtems_chain_last(
  const rtems_chain_control *the_chain
)
{
  return _Chain_Last( the_chain );
}

static inline const rtems_chain_node *rtems_chain_immutable_last(
  const rtems_chain_control *the_chain
)
{
  return _Chain_Immutable_last( the_chain );
}

static inline rtems_chain_node *rtems_chain_next(
  const rtems_chain_node *the_node
)
{
  return _Chain_Next( the_node );
}

static inline const rtems_chain_node *rtems_chain_immutable_next(
  const rtems_chain_node *the_node
)
{
  return _Chain_Immutable_next( the_node );
}

static inline rtems_chain_node *rtems_chain_previous(
  const rtems_chain_node *the_node
)
{
  return _Chain_Previous( the_node );
}

static inline const rtems_chain_node *rtems_chain_immutable_previous(
  const rtems_chain_node *the_node
)
{
  return _Chain_Immutable_previous( the_node );
}

static inline bool rtems_chain_are_nodes_equal(
  const rtems_chain_node *left,
  const rtems_chain_node *right
)
{
  return _Chain_Are_nodes_equal( left, right );
}

static inline bool rtems_chain_is_empty(
  const rtems_chain_control *the_chain
)
{
  return _Chain_Is_empty( the_chain );
}

static inline bool rtems_chain_is_first(
  const rtems_chain_node *the_node
)
{
  return _Chain_Is_first( the_node );
}

static inline bool rtems_chain_is_last(
  const rtems_chain_node *the_node
)
{
  return _Chain_Is_last( the_node );
}

static inline bool rtems_chain_has_only_one_node(
  const rtems_chain_control *the_chain
)
{
  return _Chain_Has_only_one_node( the_chain );
}

static inline bool rtems_chain_is_head(
  const rtems_chain_control *the_chain,
  const rtems_chain_node *the_node
)
{
  return _Chain_Is_head( the_chain, the_node );
}

static inline bool rtems_chain_is_tail(
  const rtems_chain_control *the_chain,
  const rtems_chain_node *the_node
)
{
  return _Chain_Is_tail( the_chain, the_node );
}

void rtems_chain_extract(
  rtems_chain_node *the_node
);

static inline void rtems_chain_extract_unprotected(
  rtems_chain_node *the_node
)
{
  _Chain_Extract_unprotected( the_node );
}

rtems_chain_node *rtems_chain_get(
  rtems_chain_control *the_chain
);

static inline rtems_chain_node *rtems_chain_get_unprotected(
  rtems_chain_control *the_chain
)
{
  return _Chain_Get_unprotected( the_chain );
}

static inline rtems_chain_node *rtems_chain_get_first_unprotected(
  rtems_chain_control *the_chain
)
{
  return _Chain_Get_first_unprotected( the_chain );
}

void rtems_chain_insert(
  rtems_chain_node *after_node,
  rtems_chain_node *the_node
);

static inline void rtems_chain_insert_unprotected(
  rtems_chain_node *after_node,
  rtems_chain_node *the_node
)
{
  _Chain_Insert_unprotected( after_node, the_node );
}

void rtems_chain_append(
  rtems_chain_control *the_chain,
  rtems_chain_node    *the_node
);

static inline void rtems_chain_append_unprotected(
  rtems_chain_control *the_chain,
  rtems_chain_node    *the_node
)
{
  _Chain_Append_unprotected( the_chain, the_node );
}

void rtems_chain_prepend(
  rtems_chain_control *the_chain,
  rtems_chain_node    *the_node
);

static inline void rtems_chain_prepend_unprotected(
  rtems_chain_control *the_chain,
  rtems_chain_node    *the_node
)
{
  _Chain_Prepend_unprotected( the_chain, the_node );
}

bool rtems_chain_append_with_empty_check(
  rtems_chain_control *chain,
  rtems_chain_node *node
);

bool rtems_chain_prepend_with_empty_check(
  rtems_chain_control *chain,
  rtems_chain_node *node
);

bool rtems_chain_get_with_empty_check(
  rtems_chain_control *chain,
  rtems_chain_node **node
);

static inline size_t rtems_chain_node_count_unprotected(
  const rtems_chain_control *chain
)
{
  return _Chain_Node_count_unprotected( chain );
}

 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */