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mirror of https://github.com/rwengine/openrw.git synced 2024-11-25 11:52:40 +01:00

Fix the construction of WorkContext

Previously the worker thread was constructed before the queue was, leading to
unfortunate race conditions. This fixes that, along with unrelated minor cleanup.
This commit is contained in:
darkf 2016-08-05 09:00:40 -07:00
parent 836fe92f2f
commit e58be26be8
3 changed files with 9 additions and 16 deletions

View File

@ -1,6 +1,7 @@
#include "benchmarkstate.hpp"
#include "RWGame.hpp"
#include <engine/GameState.hpp>
#include <fstream>
BenchmarkState::BenchmarkState(RWGame* game, const std::string& benchfile)
: State(game)

View File

@ -1,6 +1,4 @@
#pragma once
#ifndef _LOADCONTEXT_HPP_
#define _LOADCONTEXT_HPP_
#include <queue>
#include <thread>
@ -8,7 +6,6 @@
#include <atomic>
#include <memory>
#include <functional>
#include <fstream>
#include <iostream>
class WorkContext;
@ -58,9 +55,6 @@ public:
virtual void complete() {}
};
// TODO: refactor everything to remove this.
class GameWorld;
/**
* @brief A worker queue that runs work in the background.
*
@ -69,13 +63,15 @@ class GameWorld;
*/
class WorkContext
{
std::unique_ptr<LoadWorker> _worker;
std::mutex _inMutex;
std::mutex _outMutex;
std::queue<WorkJob*> _workQueue;
std::queue<WorkJob*> _completeQueue;
std::mutex _inMutex;
std::mutex _outMutex;
// Construct the worker last, so that it may use the queues
// immediately after initialization.
std::unique_ptr<LoadWorker> _worker;
public:
@ -97,17 +93,12 @@ public:
// Called by the worker thread - don't touch
void workNext();
const std::queue<WorkJob*> getWorkQueue() const { return _workQueue; }
const std::queue<WorkJob*> getCompleteQueue() const { return _completeQueue; }
bool isEmpty() {
std::lock_guard<std::mutex> guardIn( _inMutex );
std::lock_guard<std::mutex> guardOu( _outMutex );
std::lock_guard<std::mutex> guardOut( _outMutex );
return (getWorkQueue().size() + getCompleteQueue().size()) == 0;
return (_workQueue.size() + _completeQueue.size()) == 0;
}
void update();
};
#endif

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@ -5,6 +5,7 @@
#include <engine/Animator.hpp>
#include <objects/GameObject.hpp>
#include "ViewerWidget.hpp"
#include <fstream>
ModelViewer::ModelViewer(ViewerWidget* viewer, QWidget* parent, Qt::WindowFlags f)
: ViewerInterface(parent, f), viewing(nullptr), skeleton(nullptr)