53 lines
2.2 KiB
C
53 lines
2.2 KiB
C
/****************************************************************************
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* include/nuttx/idr.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_IDR_H
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#define __INCLUDE_NUTTX_IDR_H
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define idr_for_each_entry(idr, node, id) \
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for ((id) = 0; ((node) = idr_get_next(idr, &(id))) != NULL; id++)
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#define idr_init() idr_init_base(0)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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struct idr_s;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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FAR void *idr_find(FAR struct idr_s *idr, unsigned int id);
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FAR void *idr_get_next(FAR struct idr_s *idr, FAR int *id);
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FAR struct idr_s *idr_init_base(int base);
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void idr_destroy(FAR struct idr_s *idr);
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int idr_alloc_u32(FAR struct idr_s *idr, FAR void *ptr, FAR uint32_t *result,
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uint32_t max);
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int idr_alloc(FAR struct idr_s *idr, FAR void *ptr, int start, int end);
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FAR void *idr_remove(FAR struct idr_s *idr, unsigned int id);
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#endif
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