void WatcherRunner::start() {
// Set worker performance counters to an initial state.
Watcher::resetWorkerCounters(0);
// Enter the watch loop.
do {
if (use_worker_ && !watch(Watcher::getWorker())) {
if (Watcher::fatesBound()) {
// A signal has interrupted the watcher.
break;
}
// The watcher failed, create a worker.
createWorker();
}
// Loop over every managed extension and check sanity.
std::vector<std::string> failing_extensions;
for (const auto& extension : Watcher::extensions()) {
if (!watch(*extension.second)) {
if (!createExtension(extension.first)) {
failing_extensions.push_back(extension.first);
}
}
}
// If any extension creations failed, stop managing them.
for (const auto& failed_extension : failing_extensions) {
Watcher::removeExtensionPath(failed_extension);
}
pauseMilli(getWorkerLimit(INTERVAL) * 1000);
} while (!interrupted() && ok());
}
QObject *QExtensionFactory::extension(QObject *object, const QString &iid) const
{
if (!object)
return 0;
QPair<QString, QObject*> key = qMakePair(iid, object);
if (!m_extensions.contains(key)) {
if (QObject *ext = createExtension(object, iid, const_cast<QExtensionFactory*>(this))) {
connect(ext, SIGNAL(destroyed(QObject*)), this, SLOT(objectDestroyed(QObject*)));
m_extensions.insert(key, ext);
}
}
QObject *QExtensionFactory::extension(QObject *object, const QString &iid) const
{
if (!object)
return 0;
const IdObjectKey key = qMakePair(iid, object);
ExtensionMap::iterator it = m_extensions.find(key);
if (it == m_extensions.end()) {
if (QObject *ext = createExtension(object, iid, const_cast<QExtensionFactory*>(this))) {
connect(ext, SIGNAL(destroyed(QObject*)), this, SLOT(objectDestroyed(QObject*)));
it = m_extensions.insert(key, ext);
}
}
