diff options
Diffstat (limited to 'src/network/access/qnetworkaccessbackend.cpp')
-rw-r--r-- | src/network/access/qnetworkaccessbackend.cpp | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/network/access/qnetworkaccessbackend.cpp b/src/network/access/qnetworkaccessbackend.cpp index 2fae7d6..88c45d1 100644 --- a/src/network/access/qnetworkaccessbackend.cpp +++ b/src/network/access/qnetworkaccessbackend.cpp @@ -57,20 +57,25 @@ QT_BEGIN_NAMESPACE -static bool factoryDataShutdown = false; class QNetworkAccessBackendFactoryData: public QList<QNetworkAccessBackendFactory *> { public: - QNetworkAccessBackendFactoryData() : mutex(QMutex::Recursive) { } + QNetworkAccessBackendFactoryData() : mutex(QMutex::Recursive) + { + valid.ref(); + } ~QNetworkAccessBackendFactoryData() { QMutexLocker locker(&mutex); // why do we need to lock? - factoryDataShutdown = true; + valid.deref(); } QMutex mutex; + //this is used to avoid (re)constructing factory data from destructors of other global classes + static QAtomicInt valid; }; Q_GLOBAL_STATIC(QNetworkAccessBackendFactoryData, factoryData) +QAtomicInt QNetworkAccessBackendFactoryData::valid; QNetworkAccessBackendFactory::QNetworkAccessBackendFactory() { @@ -80,7 +85,7 @@ QNetworkAccessBackendFactory::QNetworkAccessBackendFactory() QNetworkAccessBackendFactory::~QNetworkAccessBackendFactory() { - if (!factoryDataShutdown) { + if (QNetworkAccessBackendFactoryData::valid) { QMutexLocker locker(&factoryData()->mutex); factoryData()->removeAll(this); } @@ -89,7 +94,7 @@ QNetworkAccessBackendFactory::~QNetworkAccessBackendFactory() QNetworkAccessBackend *QNetworkAccessManagerPrivate::findBackend(QNetworkAccessManager::Operation op, const QNetworkRequest &request) { - if (!factoryDataShutdown) { + if (QNetworkAccessBackendFactoryData::valid) { QMutexLocker locker(&factoryData()->mutex); QNetworkAccessBackendFactoryData::ConstIterator it = factoryData()->constBegin(), end = factoryData()->constEnd(); |