ThreadPool.h

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/*
 * Objectively: Ultra-lightweight object oriented framework for GNU C.
 * Copyright (C) 2014 Jay Dolan <jay@jaydolan.com>
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 * claim that you wrote the original software. If you use this software
 * in a product, an acknowledgment in the product documentation would be
 * appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not be
 * misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source distribution.
 */
 
#pragma once
 
#include <Objectively/Array.h>
#include <Objectively/Condition.h>
#include <Objectively/Object.h>
#include <Objectively/Thread.h>
 
typedef struct ThreadPool ThreadPool;
typedef struct ThreadPoolInterface ThreadPoolInterface;
 
typedef struct ThreadPoolWork ThreadPoolWork;
 
struct ThreadPool {
 
  Object object;
 
  ThreadPoolInterface *interface[0];
 
  Condition *condition;
 
  ThreadPoolWork *head;
 
  size_t size;
 
  ThreadPoolWork *tail;
 
  Array *threads;
};
 
struct ThreadPoolInterface {
 
  ObjectInterface objectInterface;
 
  void (*detach)(ThreadPool *self, ThreadFunction function, ident data);
 
  ThreadPoolWork *(*execute)(ThreadPool *self, ThreadFunction function, ident data);
 
  ThreadPool *(*init)(ThreadPool *self);
 
  ThreadPool *(*initWithSize)(ThreadPool *self, size_t size);
 
  ident (*wait)(ThreadPool *self, ThreadPoolWork *work);
};
 
OBJECTIVELY_EXPORT Class *_ThreadPool(void);