相关疑难解决方法(0)

我试图弄清楚,已经提出了与我的ImageProcessor库的问题在这里添加项目到缓存中,当在那里我得到间歇性文件访问错误.

System.IO.IOException:进程无法访问文件'D:\ home\site\wwwroot\app_data\cache\0\6\5\f\2\7\065f27fc2c8e843443d210a1e84d1ea28bbab6c4.webp',因为它正被另一个进程使用.

我编写了一个类,用于基于散列网址生成的密钥执行异步锁定,但似乎我在实现中遗漏了一些东西.

我的锁类

public sealed class AsyncDuplicateLock
{
    /// <summary>
    /// The collection of semaphore slims.
    /// </summary>
    private static readonly ConcurrentDictionary<object, SemaphoreSlim> SemaphoreSlims
                            = new ConcurrentDictionary<object, SemaphoreSlim>();

    /// <summary>
    /// Locks against the given key.
    /// </summary>
    /// <param name="key">
    /// The key that identifies the current object.
    /// </param>
    /// <returns>
    /// The disposable <see cref="Task"/>.
    /// </returns>
    public IDisposable Lock(object key)
    {
        DisposableScope releaser = new DisposableScope(
        key,
        s =>
        {
            SemaphoreSlim locker; …