79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file: xs_waitqueue.h
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* @brief: function declaration and structure defintion of waitqueue
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* @version: 1.0
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* @author: AIIT XUOS Lab
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* @date: 2020/4/20
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*
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*/
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#ifndef XS_WAITQUEUE_H
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#define XS_WAITQUEUE_H
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#include <xs_ktask.h>
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#include <xs_timer.h>
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#include <xs_queue_manager.h>
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#define WQ_FLAG_CLEAN 0x00
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#define WQ_FLAG_WAKEUP 0x01
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struct WaitQueue
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{
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DoubleLinklistType block_threads_list;
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};
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typedef struct WaitQueue WaitQueueType;
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struct WaitqueueNode;
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typedef int (*wqueue_func_t)(struct WaitqueueNode *wait, void *key);
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struct WaitqueueNode
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{
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KTaskDescriptorType polling_task;
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DoubleLinklistType list;
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wqueue_func_t cb;
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x_ticks_t deadline_tick;
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uint32 key;
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};
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typedef struct WaitqueueNode WaitqueueNodeType;
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int __WqueueDefaultWake(struct WaitqueueNode *wait, void *key);
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void InitWqueue(WaitQueueType *queue);
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void WqueueAdd(WaitQueueType *queue, struct WaitqueueNode *node);
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void WqueueRemove(struct WaitqueueNode *node);
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int WqueueWait(WaitQueueType *queue, x_ticks_t tick);
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void WakeupWqueue(WaitQueueType *queue, void *key);
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#define DEFINE_WAIT_FUNC(name, function) \
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struct WaitqueueNode name = { \
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os_running_task, \
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DOUBLE_LINKLIST_OBJ_INIT(((name).list)), \
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\
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function, \
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0 \
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}
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#define DEFINE_WAIT(name) DEFINE_WAIT_FUNC(name, __WqueueDefaultWake)
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typedef struct
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{
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void (*InitWqueue)(WaitQueueType *queue);
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void (*WqueueAdd)(WaitQueueType *queue, WaitqueueNodeType *node);
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void (*WqueueRemove)(WaitqueueNodeType *node);
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int (*WqueueWait)(WaitQueueType *queue, x_ticks_t tick);
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void (*WakeupWqueue)(WaitQueueType *queue, void *key);
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} WaitQueueDoneType;
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#endif
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