#ifndef _QUEUE_H_
#define _QUEUE_H_

typedef struct
{
	int* (*function)(void*, void*);
	void *arg;
	void *device;
}task_t;

typedef struct
{
	task_t* task;			//任务
	int head;				//队列头 	  
	int tail;				//队列尾
	int	length;				//队列长度
	int capacity;			//队列总容量
	int status;				//句柄状态
}queue_t;

/*初始化队列*/
queue_t* queue_init(int capacity);

/*销毁队列*/
void queue_destory(queue_t* queue);

/*清空队列*/
void queue_clear(queue_t* queue);

/*获取队列长度*/
int queue_getlength(queue_t* queue);

/*入队*/
int queue_enqueue(queue_t* queue, int* (*function)(void* arg, void *device), void *arg, void *device);

/*出队*/
int queue_dequeue(queue_t* queue, int* (*function)(void* arg, void *device), void *arg, void *device);

#endif