From e5526de0af47ee88fd1f18971fe110a13608fd1f Mon Sep 17 00:00:00 2001
From: Felix Kauselmann <licorn@gmail.com>
Date: Thu, 4 Mar 2021 16:45:52 +0100
Subject: [PATCH] Render: Protect against race condition in setNumPages (#220)

* Render: Use sendPostedEvents to force processing of queued events when removing old comic objects
---
 YACReader/render.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/YACReader/render.cpp b/YACReader/render.cpp
index ef937088..4e6f5a4f 100644
--- a/YACReader/render.cpp
+++ b/YACReader/render.cpp
@@ -695,13 +695,12 @@ void Render::createComic(const QString &path)
     pagesEmited.clear();
 
     if (comic != nullptr) {
-        //comic->moveToThread(QApplication::instance()->thread());
         comic->invalidate();
-
         comic->disconnect();
+        // Dispatch pending events to guard against race conditons
+        QCoreApplication::sendPostedEvents(this);
         comic->deleteLater();
     }
-    //comic->moveToThread(QApplication::instance()->thread());
     comic = FactoryComic::newComic(path);
 
     if (comic == nullptr) //archivo no encontrado o no válido