/*
 * Copyright (C) 2022 Mikhail Burakov. This file is part of toolbox.
 *
 * toolbox 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * toolbox 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 toolbox.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef TOOLBOX_THREAD_POOL_H_
#define TOOLBOX_THREAD_POOL_H_

#include <stdatomic.h>
#include <stdbool.h>
#include <stddef.h>
#include <threads.h>

struct ThreadPoolTask;

struct ThreadPool {
  atomic_bool running;
  thrd_t* threads;
  size_t threads_count;
  cnd_t tasks_cond;
  mtx_t tasks_mutex;
  struct ThreadPoolTask* tasks;
  size_t tasks_count;
};

bool ThreadPoolCreate(struct ThreadPool* thread_pool, size_t threads_count);
bool ThreadPoolSchedule(struct ThreadPool* thread_pool, void (*fun)(void*),
                        void* user);
void ThreadPoolDestroy(struct ThreadPool* thread_pool);

#endif  // TOOLBOX_THREAD_POOL_H_