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QmlJS/C++: Fix possible crash on exit.

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It could crash if a thread to find exported cpp types was still running
after the ModelManager was destroyed.

Change-Id: Ia48fac9c2ad1296992af83af57e84cce8c4f95ae
Reviewed-by: Leandro T. C. Melo <leandro.melo@nokia.com>
This commit is contained in:
Christian Kamm
2011-10-20 11:25:38 +02:00
parent 6da15db62c
commit 934c77c2c4
2 changed files with 26 additions and 7 deletions
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26
src/plugins/qmljstools/qmljsmodelmanager.cpp
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@@ -133,6 +133,12 @@ ModelManager::ModelManager(QObject *parent):
updateImportPaths();
}
ModelManager::~ModelManager()
{
m_cppQmlTypesUpdater.cancel();
m_cppQmlTypesUpdater.waitForFinished();
}
void ModelManager::delayedInitialization()
{
CPlusPlus::CppModelManagerInterface *cppModelManager =
@@ -724,27 +730,37 @@ void ModelManager::queueCppQmlTypeUpdate(const CPlusPlus::Document::Ptr &doc, bo
void ModelManager::startCppQmlTypeUpdate()
{
// if a future is still running, delay
if (m_cppQmlTypesUpdater.isRunning()) {
m_updateCppQmlTypesTimer->start();
return;
}
CPlusPlus::CppModelManagerInterface *cppModelManager =
CPlusPlus::CppModelManagerInterface::instance();
if (!cppModelManager)
return;
QtConcurrent::run(&ModelManager::updateCppQmlTypes,
this, cppModelManager, m_queuedCppDocuments);
m_cppQmlTypesUpdater = QtConcurrent::run(
&ModelManager::updateCppQmlTypes,
this, cppModelManager->snapshot(), m_queuedCppDocuments);
m_queuedCppDocuments.clear();
}
void ModelManager::updateCppQmlTypes(ModelManager *qmlModelManager,
CPlusPlus::CppModelManagerInterface *cppModelManager,
void ModelManager::updateCppQmlTypes(QFutureInterface<void> &interface,
ModelManager *qmlModelManager,
CPlusPlus::Snapshot snapshot,
QHash<QString, QPair<CPlusPlus::Document::Ptr, bool> > documents)
{
CppDataHash newData = qmlModelManager->cppData();
CPlusPlus::Snapshot snapshot = cppModelManager->snapshot();
FindExportedCppTypes finder(snapshot);
typedef QPair<CPlusPlus::Document::Ptr, bool> DocScanPair;
foreach (const DocScanPair &pair, documents) {
if (interface.isCanceled())
return;
CPlusPlus::Document::Ptr doc = pair.first;
const bool scan = pair.second;
const QString fileName = doc->fileName();