76 lines
3.5 KiB
C
76 lines
3.5 KiB
C
/*
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* FreeRTOS V202111.00
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* Copyright (C) Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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#include "proof/list.h"
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/*@
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* predicate xLIST_uninitialised(struct xLIST *l) =
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* l->uxNumberOfItems |-> _ &*&
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* l->pxIndex |-> _ &*&
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* l->xListEnd.xItemValue |-> _ &*&
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* l->xListEnd.pxNext |-> _ &*&
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* l->xListEnd.pxPrevious |-> _ &*&
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* l->xListEnd.pvOwner |-> _ &*&
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* l->xListEnd.pxContainer |-> _ &*&
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* struct_xLIST_ITEM_padding(&l->xListEnd);
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* @*/
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void vListInitialise( List_t * const pxList )
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/*@requires xLIST_uninitialised(pxList);@*/
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/*@ensures xLIST(pxList, 0, ?end, end, singleton(end), singleton(portMAX_DELAY));@*/
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{
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/*@open xLIST_uninitialised(pxList);@*/
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/* The list structure contains a list item which is used to mark the
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* end of the list. To initialise the list the list end is inserted
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* as the only list entry. */
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pxList->pxIndex = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */
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/* The list end value is the highest possible value in the list to
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* ensure it remains at the end of the list. */
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pxList->xListEnd.xItemValue = portMAX_DELAY;
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/* The list end next and previous pointers point to itself so we know
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* when the list is empty. */
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pxList->xListEnd.pxNext = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */
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pxList->xListEnd.pxPrevious = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */
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pxList->uxNumberOfItems = ( UBaseType_t ) 0U;
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/* Write known values into the list if
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* configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */
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listSET_LIST_INTEGRITY_CHECK_1_VALUE( pxList );
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listSET_LIST_INTEGRITY_CHECK_2_VALUE( pxList );
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#ifdef VERIFAST /*< ***change MiniList_t to ListItem_t*** */
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pxList->xListEnd.pxContainer = pxList;
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#endif
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/*@ListItem_t *end = &(pxList->xListEnd);@*/
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/*@close xLIST_ITEM(end, portMAX_DELAY, _, _, pxList);@*/
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/*@close DLS(end, end, end, end, singleton(end), singleton(portMAX_DELAY), pxList);@*/
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/*@close xLIST(pxList, 0, end, end, singleton(end), singleton(portMAX_DELAY));@*/
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}
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