mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-01-31 09:32:57 +00:00
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/*
|
|
* Copyright (C) 2019 BlueKitchen GmbH
|
|
*
|
|
* 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.
|
|
* 3. Neither the name of the copyright holders nor the names of
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
* 4. Any redistribution, use, or modification is done solely for
|
|
* personal benefit and not for any commercial purpose or for
|
|
* monetary gain.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH 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 BLUEKITCHEN
|
|
* GMBH 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.
|
|
*
|
|
* Please inquire about commercial licensing options at
|
|
* contact@bluekitchen-gmbh.com
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* @title Linked Queue
|
|
*
|
|
*/
|
|
|
|
#ifndef BTSTACK_LINKED_QUEUE_H
|
|
#define BTSTACK_LINKED_QUEUE_H
|
|
|
|
#include "btstack_bool.h"
|
|
#include "btstack_linked_list.h"
|
|
|
|
#if defined __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* API_START */
|
|
|
|
typedef struct {
|
|
btstack_linked_item_t * head;
|
|
btstack_linked_item_t * tail;
|
|
} btstack_linked_queue_t;
|
|
|
|
/**
|
|
* @brief Tests if queue is empty
|
|
* @return true if emtpy
|
|
*/
|
|
bool btstack_linked_queue_empty(btstack_linked_queue_t * queue);
|
|
|
|
/**
|
|
* @brief Append item to queue
|
|
* @param queue
|
|
* @param item
|
|
*/
|
|
void btstack_linked_queue_enqueue(btstack_linked_queue_t * queue, btstack_linked_item_t * item);
|
|
|
|
/**
|
|
* @brief Pop next item from queue
|
|
* @param queue
|
|
* @return item or NULL if queue empty
|
|
*/
|
|
btstack_linked_item_t * btstack_linked_queue_dequeue(btstack_linked_queue_t * queue);
|
|
|
|
/**
|
|
* @brief Get first item from queue
|
|
* @param queue
|
|
* @return item or NULL if queue empty
|
|
*/
|
|
btstack_linked_item_t * btstack_linked_queue_first(btstack_linked_queue_t * queue);
|
|
|
|
/* API_END */
|
|
|
|
#if defined __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // BTSTACK_LINKED_QUEUE_H
|