CoreServices: add fs_event_stream

Signed-off-by: Simon Rozman <simon@rozman.si>

include/MacStd/CoreServices.hpp

@@ -0,0 +1,34 @@
+/*
+	SPDX-License-Identifier: MIT
+	Copyright © 2025 Amebis
+*/
+
+#pragma once
+
+#include "common.hpp"
+#include <CoreServices/CoreServices.h>
+
+namespace macstd {
+	///
+	/// FS event stream traits
+	///
+	struct fs_event_stream_traits
+	{
+		static inline constexpr FSEventStreamRef invalid = static_cast<FSEventStreamRef>(NULL);
+
+		///
+		/// Releases an object handle
+		///
+		/// \sa [FSEventStreamRelease function](https://developer.apple.com/documentation/coreservices/1445989-fseventstreamrelease)
+		///
+		static void free(FSEventStreamRef h) noexcept
+		{
+			FSEventStreamRelease(h);
+		}
+
+	private:
+		static FSEventStreamRef duplicate(FSEventStreamRef h);
+	};
+
+	using fs_event_stream = handle<FSEventStreamRef, fs_event_stream_traits>;
+}