From c3cabe43bf9cd3deac97c20d46bb46ecf24a9af7 Mon Sep 17 00:00:00 2001
From: Erik Little <nuclear.ace@gmail.com>
Date: Thu, 10 May 2018 07:29:28 -0400
Subject: [PATCH] Make it clear that `handleQueue` should be serial

---
 Source/SocketIO/Client/SocketIOClientOption.swift | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/SocketIO/Client/SocketIOClientOption.swift b/Source/SocketIO/Client/SocketIOClientOption.swift
index 3e9114f..02d8898 100644
--- a/Source/SocketIO/Client/SocketIOClientOption.swift
+++ b/Source/SocketIO/Client/SocketIOClientOption.swift
@@ -55,6 +55,8 @@ public enum SocketIOClientOption : ClientOption {
 
     /// The queue that all interaction with the client should occur on. This is the queue that event handlers are
     /// called on.
+    ///
+    /// **This should be a serial queue! Concurrent queues are not supported and might cause crashes and races**.
     case handleQueue(DispatchQueue)
 
     /// If passed `true`, the client will log debug information. This should be turned off in production code.