que.h

wimax BS simulation code,implemented under linux.

/*
 * This piece of code is totally free. If any pitfalls found, 
 * please feel free to contact me at [e-mail]
 * THANKS A LOT!
 */

#ifndef _QUE_H
#define _QUE_H


#include <pthread.h>
#include <semaphore.h>

#include "types.h"
#include "list.h"
#include "wxbuff.h"


typedef struct pool_s{
	pthread_mutex_t mutex;

	uint32_t count;
	struct list_head link;
}pool_t;


typedef struct softq_s{
	pthread_mutex_t mutex;		/* mutex for simutaneously deque and enque operations */

	uint32_t count;			/* number of hanging elements */
	uint32_t size;			/* total data size of hanging elements */
	struct list_head link;
}softq_t;


typedef struct ringq_s{
	sem_t resource;
	pthread_mutex_t mutex;

	uint32_t count;
	struct list_head link;
}ringq_t;


extern int32_t pool_init(pool_t *p);
extern int32_t softq_init(softq_t *sq);
extern int32_t softq_enque_tail(softq_t *sq, wxbuff_t *wxb);
extern int32_t softq_enque_head(softq_t *sq, wxbuff_t *wxb);
extern wxbuff_t * softq_deque(softq_t *sq);
extern wxbuff_t * softq_dump(softq_t *sq);

extern int32_t ringq_init(ringq_t *rq);
extern int32_t ringq_enque(ringq_t *rq, struct list_head *new);
extern struct list_head * ringq_deque(ringq_t *rq);
extern int32_t ringq_enque_simple(ringq_t *rq, struct list_head *new);
extern struct list_head * ringq_dump(ringq_t *rq);


#endif	/* end of _QUE_H */