qt5-qtdeclarative/0003-Revert-qquickloader-Free-memory-of-loaded-components.patch
Jan Grulich 31a769d449 Sync with Fedora:
- sync kde/5.15 branch fixes
- pull in candidate fix QTBUG-83890

Resolves: bz#1988934
2021-09-08 10:30:39 +02:00

46 lines
1.9 KiB
Diff

From be3a57263b7e9e03e01fa9dfe637f03ba557950b Mon Sep 17 00:00:00 2001
From: Maximilian Goldstein <max.goldstein@qt.io>
Date: Thu, 29 Oct 2020 16:25:23 +0100
Subject: [PATCH 03/28] Revert "qquickloader: Free memory of loaded components
after source change"
This reverts commit c5085eb8905f1a3c070f866746110980e84be271.
It can cause crashes and only fixes an edge case that can't
be encountered during normal usage.
Change-Id: Ia265f0d6716b59a0f483e5a114b3f3b1a76fe898
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
(cherry picked from commit 0fa6091b1076bc3cc58303ff00d43efdad32b8ad)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
src/quick/items/qquickloader.cpp | 13 -------------
1 file changed, 13 deletions(-)
diff --git a/src/quick/items/qquickloader.cpp b/src/quick/items/qquickloader.cpp
index 9a8eca871c..8cd63a4236 100644
--- a/src/quick/items/qquickloader.cpp
+++ b/src/quick/items/qquickloader.cpp
@@ -412,19 +412,6 @@ void QQuickLoader::setSource(const QUrl &url)
void QQuickLoader::setSource(const QUrl &url, bool needsClear)
{
Q_D(QQuickLoader);
-
- // The source has been changed at this point, and we assume that (after
- // notifying potential listeners with sourceChanged) that it is now
- // safe to actually delete the old component. We have to do this here
- // in case the component referenced expensive resources (like uncached
- // images), as it might take too long until we return to the event loop.
- // We need to explicitly pass QEvent::DeferredDelete to sendPostedEvents,
- // else the allowDeferredDelete check in qcoreapplication.cpp will not
- // allow the event to pass. This will not affect anything deleted by this
- // call, only the previous one. This has to be done as otherwise there
- // might be signal handlers that are still in progress.
- QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);
-
if (d->source == url)
return;
--
2.31.1