Added LinuxFileSystemWatcher

Source/Engine/Platform/Linux/LinuxFileSystemWatcher.h

@@ -0,0 +1,41 @@
+// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#if PLATFORM_LINUX
+
+#include "Engine/Platform/Base/FileSystemWatcherBase.h"
+
+/// <summary>
+/// Linux platform implementation of the file system watching object.
+/// </summary>
+class FLAXENGINE_API LinuxFileSystemWatcher : public FileSystemWatcherBase
+{
+public:
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="LinuxFileSystemWatcher"/> class.
+    /// </summary>
+    /// <param name="directory">The directory to watch.</param>
+    /// <param name="withSubDirs">True if monitor the directory tree rooted at the specified directory or just a given directory.</param>
+    /// <param name="root">Linux specific root directory watcher file descriptor.</param>
+    LinuxFileSystemWatcher(const String& directory, bool withSubDirs, int root= -1);
+
+    /// <summary>
+    /// Finalizes an instance of the <see cref="LinuxFileSystemWatcher"/> class.
+    /// </summary>
+    ~LinuxFileSystemWatcher();
+
+public:
+
+    FORCE_INLINE int GetWachedDirectoryDescriptor()
+    {
+        return WachedDirectory;
+    }
+    
+private:
+
+    int WachedDirectory;
+};
+
+#endif