From 370f02661dbeb169a83f8a9c1cd17c41ad87bf00 Mon Sep 17 00:00:00 2001
From: Lior Halphon <LIJI32@gmail.com>
Date: Sat, 8 Feb 2020 12:31:06 +0200
Subject: [PATCH] Deadlock fix

---
 Cocoa/Document.m | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Cocoa/Document.m b/Cocoa/Document.m
index d8fb71fa..e74b24f6 100644
--- a/Cocoa/Document.m
+++ b/Cocoa/Document.m
@@ -281,6 +281,10 @@ static void audioCallback(GB_gameboy_t *gb, GB_sample_t *sample)
     GB_set_sample_rate(&gb, 96000);
     self.audioClient = [[GBAudioClient alloc] initWithRendererBlock:^(UInt32 sampleRate, UInt32 nFrames, GB_sample_t *buffer) {
         [audioLock lock];
+        if (stopping) {
+            memset(buffer, 0, nFrames * sizeof(*buffer));
+            [audioLock unlock];
+        }
         
         if (audioBufferPosition < nFrames) {
             audioBufferNeeded = nFrames;