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/*
* This file is part of NumptyPhysics
* Copyright (C) 2008 Tim Edmonds
*
* 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; either version 3 of the
* License, or (at your option) any later version.
*
* 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.
*
*/
#include "Worker.h"
#include "Event.h"
#include <stdio.h>
WorkerBase::WorkerBase( int (*func)(void*) )
: m_func(func),
m_thread(NULL)
{
}
WorkerBase::~WorkerBase()
{
if (m_thread) {
//TODO need cleaner termination/forget - worker may leak resources
SDL_KillThread(m_thread);
}
}
void WorkerBase::start()
{
if (m_func) {
m_thread = SDL_CreateThread(m_func, this);
}
}
void WorkerBase::wait()
{
if (m_thread) {
SDL_WaitThread(m_thread,NULL);
}
}
bool WorkerBase::done()
{
return m_thread == NULL;
}
int WorkerBase::startThread(void* wbase)
{
((WorkerBase*)wbase)->main();
((WorkerBase*)wbase)->m_thread = NULL;
// Create a user event to signal completion
SDL_Event event;
event.type = SDL_USEREVENT;
event.user.code = WORKER_DONE;
event.user.data1 = wbase;
event.user.data2 = 0;
SDL_PushEvent(&event);
return 0;
}
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