forked from Imagelibrary/rtems
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* COPYRIGHT (c) 2012 Chris Johns <chrisj@rtems.org>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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/**
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* @file
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*
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* @ingroup rtems_rtl
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*
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* @brief RTEMS Run-Time Linker Chain Iterator.
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*/
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#if !defined (_RTEMS_RTL_CHAIN_ITERATOR_H_)
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#define _RTEMS_RTL_CHAIN_ITERATOR_H_
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <rtems/chain.h>
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/**
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* Chain iterator handler.
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*/
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typedef bool (*rtems_chain_iterator) (rtems_chain_node* node, void* data);
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/**
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* Iterate a chain of nodes invoking the iterator handler. Supply a data
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* pointer the iterator moves data between the invoker and the iterator.
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*
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* The iterator allows removal of the node from the chain.
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*
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* @param chain The chain of nodes to iterator over.
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* @param iterator The iterator handler called once for each node.
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* @param data Pointer to the data used by the iterator.
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* @retval true The whole chain was iterated over.
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* @retval false The iterator returned false.
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*/
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bool
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rtems_rtl_chain_iterate (rtems_chain_control* chain,
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rtems_chain_iterator iterator,
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void* data);
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/**
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* Count the number of nodes on the chain.
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*
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* @param chain The chain to count the nodes of.
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* @return int The number of nodes.
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*/
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int rtems_rtl_chain_count (rtems_chain_control* chain);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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