Code review, bugfixing, remove loot& command

ArchiSteamFarm/Helpers/SemaphoreLock.cs

@@ -0,0 +1,33 @@
+//     _                _      _  ____   _                           _____
+//    / \    _ __  ___ | |__  (_)/ ___| | |_  ___   __ _  _ __ ___  |  ___|__ _  _ __  _ __ ___
+//   / _ \  | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_  / _` || '__|| '_ ` _ \
+//  / ___ \ | |  | (__ | | | || | ___) || |_|  __/| (_| || | | | | ||  _|| (_| || |   | | | | | |
+// /_/   \_\|_|   \___||_| |_||_||____/  \__|\___| \__,_||_| |_| |_||_|   \__,_||_|   |_| |_| |_|
+// 
+// Copyright 2015-2018 Łukasz "JustArchi" Domeradzki
+// Contact: JustArchi@JustArchi.net
+// 
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// 
+// http://www.apache.org/licenses/LICENSE-2.0
+// 
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+using System;
+using System.Threading;
+
+namespace ArchiSteamFarm.Helpers {
+	internal sealed class SemaphoreLock : IDisposable {
+		private readonly SemaphoreSlim Semaphore;
+
+		internal SemaphoreLock(SemaphoreSlim semaphore) => Semaphore = semaphore ?? throw new ArgumentNullException(nameof(semaphore));
+
+		public void Dispose() => Semaphore.Release();
+	}
+}