55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
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/*
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* COPYRIGHT (C) 2011-2021, Real-Thread Information Technology Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2013-11-04 Grissiom add comment
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*/
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#ifndef __PRIO_QUEUE_H__
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#define __PRIO_QUEUE_H__
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#include <rtthread.h>
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#define RT_PRIO_QUEUE_PRIO_MAX 32
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struct rt_prio_queue_item;
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struct rt_prio_queue {
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rt_uint32_t bitmap;
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struct rt_prio_queue_item *head[RT_PRIO_QUEUE_PRIO_MAX];
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struct rt_prio_queue_item *tail[RT_PRIO_QUEUE_PRIO_MAX];
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/* push thread suspend on the mempool, not queue */
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rt_list_t suspended_pop_list;
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rt_size_t item_sz;
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struct rt_mempool pool;
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};
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rt_err_t rt_prio_queue_init(struct rt_prio_queue *que,
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const char *name,
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void *buf,
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rt_size_t bufsz,
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rt_size_t itemsz);
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void rt_prio_queue_detach(struct rt_prio_queue *que);
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rt_err_t rt_prio_queue_push(struct rt_prio_queue *que,
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rt_uint8_t prio,
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void *data,
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rt_int32_t timeout);
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rt_err_t rt_prio_queue_pop(struct rt_prio_queue *que,
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void *data,
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rt_int32_t timeout);
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#ifdef RT_USING_HEAP
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struct rt_prio_queue* rt_prio_queue_create(const char *name,
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rt_size_t item_nr,
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rt_size_t item_sz);
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void rt_prio_queue_delete(struct rt_prio_queue *que);
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#endif
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void rt_prio_queue_dump(struct rt_prio_queue *que);
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#endif /* end of include guard: __PRIO_QUEUE_H__ */
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