#ifndef _ITC_H
#define _ITC_H

#include "common.h"

typedef struct itc_message_s itc_message;
struct itc_message_s {
	int number;
	void *data;

	itc_message *older, *newer;
};

typedef struct {
	itc_message *newest, *oldest;
	SDL_mutex *mutex;
	SDL_sem *sem;
} itc_chan;

void itc_chan_create(itc_chan *chan);
void itc_chan_destroy(itc_chan *chan);
void itc_chan_push(itc_chan *chan, int number, void *data);
int itc_chan_pop(itc_chan *chan, int *number, void **data);
int itc_chan_pop_block(itc_chan *chan, int *number, void **data);

#endif // _ITC_H