#ifndef KERNEL_EQUEUE_H_
#define KERNEL_EQUEUE_H_

#include <kernel/locks.h>
#include <kernel/object.h>
#include <kernel/sched.h>
#include <mango/types.h>

#define EQUEUE_PACKET_MAX 100

enum equeue_flags {
	EQUEUE_WAIT,
	EQUEUE_DISCARD,
};

struct equeue {
	struct object eq_base;
	unsigned short eq_read_ptr, eq_write_ptr;
	equeue_packet_t eq_packets[EQUEUE_PACKET_MAX];
	struct waitqueue eq_wq;
};

extern kern_status_t equeue_type_init(void);
extern struct equeue *equeue_cast(struct object *obj);

extern struct equeue *equeue_create(void);

extern kern_status_t equeue_enqueue(
	struct equeue *q,
	const equeue_packet_t *pkt,
	enum equeue_flags flags);
extern kern_status_t equeue_dequeue(struct equeue *q, equeue_packet_t *out);

#endif