CppUseSelectionsUpdater: Ensure the old futures are synchronized

When scheduling a new async run (via FindUses::find()), keep track
for the canceled futures, otherwise they may still be running
after the shutdown. So, add all new futures into the future synchronizer
(without canceling them).

Task-number: QTCREATORBUG-30401
Change-Id: I83a82f706175060f7f29886b57c69c77667a0805
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/plugins/cppeditor/cppuseselectionsupdater.cpp b/src/plugins/cppeditor/cppuseselectionsupdater.cpp
index 3b9fe40a89e..67fb6d7a1bc 100644
--- a/src/plugins/cppeditor/cppuseselectionsupdater.cpp
+++ b/src/plugins/cppeditor/cppuseselectionsupdater.cpp
@@ -7,6 +7,9 @@
 #include "cppeditorwidget.h"
 #include "cppmodelmanager.h"
 
+#include <extensionsystem/pluginmanager.h>
+
+#include <utils/futuresynchronizer.h>
 #include <utils/qtcassert.h>
 #include <utils/textutils.h>
 
@@ -72,6 +75,7 @@ CppUseSelectionsUpdater::RunnerInfo CppUseSelectionsUpdater::update(CallType cal
         m_runnerWordStartPosition = params.textCursor.position();
 
         m_runnerWatcher->setFuture(cppEditorDocument->cursorInfo(params));
+        ExtensionSystem::PluginManager::futureSynchronizer()->addFuture(m_runnerWatcher->future());
         return RunnerInfo::Started;
     } else { // synchronous case
         abortSchedule();