From ff897997d6f9a29168000244b37eed76ab6aa855 Mon Sep 17 00:00:00 2001
From: "alexey.lysiuk" <alexey.lysiuk@gmail.com>
Date: Tue, 20 Feb 2018 12:20:18 +0200
Subject: [PATCH] Fixed hang when TiMidity++ executable failed to launch

https://forum.zdoom.org/viewtopic.php?t=59539
---
 src/sound/mididevices/music_timiditypp_mididevice.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/sound/mididevices/music_timiditypp_mididevice.cpp b/src/sound/mididevices/music_timiditypp_mididevice.cpp
index 42733ce385..a254776ec0 100644
--- a/src/sound/mididevices/music_timiditypp_mididevice.cpp
+++ b/src/sound/mididevices/music_timiditypp_mididevice.cpp
@@ -692,6 +692,10 @@ bool TimidityPPMIDIDevice::FillStream(SoundStream *stream, void *buff, int len,
 			}
 			break;
 		}
+		else if (r == 0 && errno != 0)
+		{
+			break;
+		}
 		got += r;
 	} while(got < len);
 	if(got < len)