From 046fffdd14974ad595ddf3632d4f955f6c8a0a86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gina=20H=C3=A4u=C3=9Fge?= <osd@foosel.net>
Date: Thu, 28 May 2015 16:07:50 +0200
Subject: [PATCH] Fixed a deadlock in the communication layer when pausing via
 M0

Using reentrant locks to allow sending of additional commands
---
 src/octoprint/util/comm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/octoprint/util/comm.py b/src/octoprint/util/comm.py
index e54c947f..8a0264d4 100644
--- a/src/octoprint/util/comm.py
+++ b/src/octoprint/util/comm.py
@@ -213,7 +213,7 @@ class MachineCom(object):
 
 		# multithreading locks
 		self._sendNextLock = threading.Lock()
-		self._sendingLock = threading.Lock()
+		self._sendingLock = threading.RLock()
 
 		# monitoring thread
 		self._monitoring_active = True