From 327f61eacfd899ac0b35edbc39d01ebc0621b443 Mon Sep 17 00:00:00 2001
From: hogliux <fabian.renn@gmail.com>
Date: Mon, 20 Feb 2017 20:03:18 +0000
Subject: [PATCH] Fixed a dead-lock which could occur if an OpenGLContext was
 created and immedietely deleted before it had a chance to render

---
 modules/juce_opengl/opengl/juce_OpenGLContext.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/modules/juce_opengl/opengl/juce_OpenGLContext.cpp b/modules/juce_opengl/opengl/juce_OpenGLContext.cpp
index c1e421097c..2539712b84 100644
--- a/modules/juce_opengl/opengl/juce_OpenGLContext.cpp
+++ b/modules/juce_opengl/opengl/juce_OpenGLContext.cpp
@@ -112,7 +112,14 @@ public:
         {
             // make sure everything has finished executing
             destroying.set (1);
-            execute (new DoNothingWorker(), true, true);
+
+            if (workQueue.size() > 0)
+            {
+                if (! renderThread->contains (this))
+                    resume();
+
+                execute (new DoNothingWorker(), true, true);
+            }
 
             pause();
             renderThread = nullptr;
@@ -417,8 +424,10 @@ public:
     JobStatus runJob() override
     {
         {
+            MessageLockWorker worker (*this);
+
             // Allow the message thread to finish setting-up the context before using it..
-            MessageManagerLock mml (this);
+            MessageManagerLock mml (worker);
             if (! mml.lockWasGained())
                 return ThreadPoolJob::jobHasFinished;
         }
@@ -579,6 +588,8 @@ public:
             OpenGLContext::AsyncWorker::Ptr worker = (blocker != nullptr ? blocker : static_cast<OpenGLContext::AsyncWorker::Ptr&&> (workerToUse));
             workQueue.add (worker);
 
+            context.triggerRepaint();
+
             if (blocker != nullptr)
                 blocker->block();
         }