/*
 *  Feynman -- Wayland compositor for GNU Emacs
 *
 * Copyright (c) 2022 Sameer Rahmani <lxsameer@gnu.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 2.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef FEYNMAN_QUEUE_H
#define FEYNMAN_QUEUE_H

#include <stdbool.h>
#include <stdint.h>

typedef enum event_enum
{
  echo = 0,
  exit = 1,
} event_type_t;

typedef struct arguments
{
  unsigned count;
  void **args;
} arguments_t;

typedef struct event
{
  unsigned id;
  event_type_t event_type;
  arguments_t *args;
} event_t;

typedef struct queue
{
  unsigned *head;
  unsigned *tail;
  unsigned size;
  event_t *events;
} queue_t;

queue_t *init_queue (unsigned size);
void deinit_queue (queue_t *q);

int enqueue_event (queue_t *q, event_t *event);
event_t *pop_event (queue_t *q);
bool is_queue_empty (queue_t *q);

#endif