From 333fb6c60f6f26ca640f23f90aeb3cab66ec3abf Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael.code@endoftheworl.de>
Date: Mon, 23 Jan 2017 16:17:55 -0500
Subject: [PATCH] assert on main thread

// FREEBIE
---
 Signal/src/call/CallAudioService.swift | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Signal/src/call/CallAudioService.swift b/Signal/src/call/CallAudioService.swift
index 9c1d05ee3..5d500c42f 100644
--- a/Signal/src/call/CallAudioService.swift
+++ b/Signal/src/call/CallAudioService.swift
@@ -55,6 +55,8 @@ import Foundation
     // MARK: - Service action handlers
 
     public func handleState(_ state: CallState) {
+        assert(Thread.isMainThread)
+
         Logger.verbose("\(TAG) in \(#function) new state: \(state)")
 
         switch state {