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-rw-r--r--dev-qt/qtnetwork/files/qtnetwork-5.15.2-QNetworkAccessManager-memleak.patch41
1 files changed, 41 insertions, 0 deletions
diff --git a/dev-qt/qtnetwork/files/qtnetwork-5.15.2-QNetworkAccessManager-memleak.patch b/dev-qt/qtnetwork/files/qtnetwork-5.15.2-QNetworkAccessManager-memleak.patch
new file mode 100644
index 00000000000..be2c1f6e1a0
--- /dev/null
+++ b/dev-qt/qtnetwork/files/qtnetwork-5.15.2-QNetworkAccessManager-memleak.patch
@@ -0,0 +1,41 @@
+From 0807f16eb407eaf8a5b34b67602d0a97778d945d Mon Sep 17 00:00:00 2001
+From: =?utf8?q?M=C3=A5rten=20Nordheim?= <marten.nordheim@qt.io>
+Date: Fri, 6 Nov 2020 12:51:42 +0100
+Subject: [PATCH] QNAM: Work around QObject finicky orphan cleanup details
+
+Details described in a comment.
+
+Task-number: QTBUG-88063
+Change-Id: I763ecfedf518de97615e04a8eaae0fe1fd784f52
+Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
+(cherry picked from commit 1c6d6cbb62c5e93cbcad2d740c3b0ed01095618c)
+Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
+---
+ src/network/access/qnetworkreplyhttpimpl.cpp | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+diff --git a/src/network/access/qnetworkreplyhttpimpl.cpp b/src/network/access/qnetworkreplyhttpimpl.cpp
+index 21916f53f15..727c1a0316d 100644
+--- a/src/network/access/qnetworkreplyhttpimpl.cpp
++++ b/src/network/access/qnetworkreplyhttpimpl.cpp
+@@ -808,7 +808,17 @@ void QNetworkReplyHttpImplPrivate::postRequest(const QNetworkRequest &newHttpReq
+
+ // For the synchronous HTTP, this is the normal way the delegate gets deleted
+ // For the asynchronous HTTP this is a safety measure, the delegate deletes itself when HTTP is finished
+- QObject::connect(thread, SIGNAL(finished()), delegate, SLOT(deleteLater()));
++ QMetaObject::Connection threadFinishedConnection =
++ QObject::connect(thread, SIGNAL(finished()), delegate, SLOT(deleteLater()));
++
++ // QTBUG-88063: When 'delegate' is deleted the connection will be added to 'thread''s orphaned
++ // connections list. This orphaned list will be cleaned up next time 'thread' emits a signal,
++ // unfortunately that's the finished signal. It leads to a soft-leak so we do this to disconnect
++ // it on deletion so that it cleans up the orphan immediately.
++ QObject::connect(delegate, &QObject::destroyed, delegate, [threadFinishedConnection]() {
++ if (bool(threadFinishedConnection))
++ QObject::disconnect(threadFinishedConnection);
++ });
+
+ // Set the properties it needs
+ delegate->httpRequest = httpRequest;
+--
+2.16.3