The process cannot access the file because it is being used by another process (edit)

The process cannot access the file '{path}' because it is being used by another process

public class Logger { 
    private static ReaderWriterLockSlim _readWriteLock = new ReaderWriterLockSlim();
    public void WriteToFileThreadSafe(string text, string path) {
        // Set Status to Locked
        _readWriteLock.EnterWriteLock();
        try {
            // Append text to the file 
            using (StreamWriter sw = File.AppendText(path)) { 
                sw.WriteLine(text); 
                sw.Close();
            }
        } finally {
            // Release lock 
            _readWriteLock.ExitWriteLock(); 
        }
    }
}

MSDN ReaderWriterLockSlim

ReaderWriterLockSlim Class (System.Threading) | Microsoft Docs

Snippet

    public static class Logger
    {
        public static void Log(string filePath, string message)
        {
            using (StreamWriter sw = new StreamWriter(filePath, true, Encoding.UTF8))
            {
                sw.WriteLine(message);
                sw.Close();
            }
        }
    }

Snippet

    public static class Logger
    {
        private static object locker = new object();
 
        public static void Log(string logFilePath, string message)
        {
            lock (locker)
            {
                using (FileStream file = new FileStream(logFilePath, FileMode.Append, FileAccess.Write, FileShare.None))
                {
                    StreamWriter writer = new StreamWriter(file);
 
                    writer.Write(message);
                    writer.Flush();
 
                    file.Close();
                }
            }
        }
    }

Thread Safe File Write C# - Wait On Lock — (B)logs of Johan Dörper (johandorper.com)

c# - Will lock prevent the error "The process cannot access the file because it is being used by another process"? - Stack Overflow

Async Waiting inside C# Locks (cdemi.io)