find-object-bundle-builder/FindVerticalBundleBuilder/Assets/YooAsset/Runtime/DownloadSystem/ThreadSyncContext.cs

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using System;
using System.Collections;
using System.Collections.Concurrent;
using System.Threading;
namespace YooAsset
{
/// <summary>
/// 同步其它线程里的回调到主线程里
/// 注意Unity3D中需要设置Scripting Runtime Version为.NET4.6
/// </summary>
internal sealed class ThreadSyncContext : SynchronizationContext
{
private readonly ConcurrentQueue<Action> _safeQueue = new ConcurrentQueue<Action>();
/// <summary>
/// 更新同步队列
/// </summary>
public void Update()
{
while (true)
{
if (_safeQueue.TryDequeue(out Action action) == false)
return;
action.Invoke();
}
}
/// <summary>
/// 向同步队列里投递一个回调方法
/// </summary>
public override void Post(SendOrPostCallback callback, object state)
{
Action action = new Action(() => { callback(state); });
_safeQueue.Enqueue(action);
}
}
}