From: Perttu Ahola <celeron55@gmail.com>
Date: Wed, 28 Mar 2012 09:51:47 +0000 (+0300)
Subject: Correctly lock mutexes when the server sends MapEditEvents (could cause memory corrup... 
X-Git-Tag: 0.4.dev-20120408~102
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=14a8fa4d68b54782ac6183263414ab2bee6fcaf7;p=oweals%2Fminetest.git

Correctly lock mutexes when the server sends MapEditEvents (could cause memory corruption)
---

diff --git a/src/server.cpp b/src/server.cpp
index 8c03ec880..6756e4a08 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -1689,6 +1689,10 @@ void Server::AsyncRunStep()
 		Send queued-for-sending map edit events.
 	*/
 	{
+		// We will be accessing the environment and the connection
+		JMutexAutoLock lock(m_env_mutex);
+		JMutexAutoLock conlock(m_con_mutex);
+
 		// Don't send too many at a time
 		//u32 count = 0;