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#ifndef QUEUE_H

#define QUEUE_H

#include <pthread.h>

#include "list.h"

typedef struct _IQueue IQueue;

typedef struct _LinkedQueue LinkedQueue;

typedef struct _BlockingQueue BlockingQueue;

struct _IQueue {

void (*add)(struct _IQueue* queue, int elem);

int (*remove)(struct _IQueue* queue);

int (*empty)(struct _IQueue* queue);

};

struct _LinkedQueue {

IList* list;

struct _IQueue iqueue;

};

struct _BlockingQueue {

pthread_mutex_t mutex;

pthread_cond_t cond;

IQueue* queue;

struct _IQueue iqueue;

};

extern LinkedQueue* newLinkedQueue(IList* list);

extern LinkedQueue* newDefLinkedQueue();

extern void deleteLinkedQueue(LinkedQueue* queue);

extern void deleteDefLinkedQueue(LinkedQueue* queue);

extern BlockingQueue* newBlockingQueue(IQueue* queue);

extern BlockingQueue* newDefBlockingQueue();

extern void deleteBlockingQueue(BlockingQueue* queue);

extern void deleteDefBlockingQueue(BlockingQueue* queue);

#endif