diff options
Diffstat (limited to 'cpukit/include/rtems/score/chain.h')
| -rw-r--r-- | cpukit/include/rtems/score/chain.h | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/cpukit/include/rtems/score/chain.h b/cpukit/include/rtems/score/chain.h index bdd457228e..0b1ede75cf 100644 --- a/cpukit/include/rtems/score/chain.h +++ b/cpukit/include/rtems/score/chain.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -8,14 +10,31 @@ */ /* - * Copyright (c) 2010 embedded brains GmbH. + * Copyright (c) 2010 embedded brains GmbH & Co. KG * * COPYRIGHT (c) 1989-2006. * On-Line Applications Research Corporation (OAR). * - * 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. + * 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_SCORE_CHAIN_H @@ -42,17 +61,7 @@ extern "C" { */ /** - * @typedef Chain_Node - * - * This type definition promotes the name for the Chain Node used by - * all RTEMS code. It is a separate type definition because a forward - * reference is required to define it. See @ref Chain_Node_struct for - * detailed information. - */ -typedef struct Chain_Node_struct Chain_Node; - -/** - * @struct Chain_Node_struct + * @brief This structure represents a chain node. * * This is used to manage each element (node) which is placed * on a chain. @@ -66,15 +75,15 @@ typedef struct Chain_Node_struct Chain_Node; * so the user can cast the pointers back and forth. * */ -struct Chain_Node_struct { +typedef struct Chain_Node { /** This points to the node after this one on this chain. */ - Chain_Node *next; + struct Chain_Node *next; /** This points to the node immediate prior to this one on this chain. */ - Chain_Node *previous; -}; + struct Chain_Node *previous; +} Chain_Node; /** - * @struct Chain_Control + * @brief This union represents a chain control block. * * This is used to manage a chain. A chain consists of a doubly * linked list of zero or more nodes. |