From fcff19aa547415240b0f3a85e34147d3798a377e Mon Sep 17 00:00:00 2001
From: Alan Knowles <alan@roojs.com>
Date: Mon, 29 Aug 2016 16:44:01 +0800
Subject: [PATCH] Spawn.vala

---
 Spawn.vala | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Spawn.vala b/Spawn.vala
index b5df8c8e..be7a3790 100644
--- a/Spawn.vala
+++ b/Spawn.vala
@@ -436,6 +436,11 @@ public class Spawn : Object
             size_t term_pos;
             size_t len;
             IOStatus status;
+            
+            if (this.pid < 0) {
+                return false; // spawn complete + closed... can't read any more.
+            }
+            
             try {
 				var cond = ch.get_buffer_condition();
 				if ((cond & GLib.IOCondition.ERR) > 0) {
-- 
2.39.2