Merge pull request #7853 from zzmp/fix/shutdown

Fix hang on exit from dying scripts
This commit is contained in:
Brad Hefta-Gaub 2016-05-16 10:17:34 -07:00
commit 166fbdece5
7 changed files with 33 additions and 38 deletions

View file

@ -1156,10 +1156,16 @@ void Application::cleanupBeforeQuit() {
getEntities()->shutdown(); // tell the entities system we're shutting down, so it will stop running scripts
// Clear any queued processing (I/O, FBX/OBJ/Texture parsing)
QThreadPool::globalInstance()->clear();
DependencyManager::get<ScriptEngines>()->saveScripts();
DependencyManager::get<ScriptEngines>()->shutdownScripting(); // stop all currently running global scripts
DependencyManager::destroy<ScriptEngines>();
// Cleanup all overlays after the scripts, as scripts might add more
_overlays.cleanupAllOverlays();
// first stop all timers directly or by invokeMethod
// depending on what thread they run in
locationUpdateTimer.stop();

View file

@ -36,15 +36,8 @@
#include <QtQuick/QQuickWindow>
Overlays::Overlays() : _nextOverlayID(1) {
connect(qApp, &Application::beforeAboutToQuit, [=] {
cleanupAllOverlays();
});
}
Overlays::~Overlays() {
}
Overlays::Overlays() :
_nextOverlayID(1) {}
void Overlays::cleanupAllOverlays() {
{

View file

@ -62,7 +62,6 @@ class Overlays : public QObject {
public:
Overlays();
~Overlays();
void init();
void update(float deltatime);
@ -73,6 +72,8 @@ public:
Overlay::Pointer getOverlay(unsigned int id) const;
OverlayPanel::Pointer getPanel(unsigned int id) const { return _panels[id]; }
void cleanupAllOverlays();
public slots:
/// adds an overlay with the specific properties
unsigned int addOverlay(const QString& type, const QVariant& properties);
@ -145,7 +146,6 @@ signals:
private:
void cleanupOverlaysToDelete();
void cleanupAllOverlays();
QMap<unsigned int, Overlay::Pointer> _overlaysHUD;
QMap<unsigned int, Overlay::Pointer> _overlaysWorld;

View file

@ -62,8 +62,6 @@
#include "MIDIEvent.h"
std::atomic<bool> ScriptEngine::_stoppingAllScripts { false };
static const QString SCRIPT_EXCEPTION_FORMAT = "[UncaughtException] %1 in %2:%3";
Q_DECLARE_METATYPE(QScriptEngine::FunctionSignature)
@ -756,7 +754,7 @@ void ScriptEngine::addEventHandler(const EntityItemID& entityID, const QString&
QScriptValue ScriptEngine::evaluate(const QString& sourceCode, const QString& fileName, int lineNumber) {
if (_stoppingAllScripts) {
if (DependencyManager::get<ScriptEngines>()->isStopped()) {
return QScriptValue(); // bail early
}
@ -792,7 +790,7 @@ QScriptValue ScriptEngine::evaluate(const QString& sourceCode, const QString& fi
}
void ScriptEngine::run() {
if (_stoppingAllScripts) {
if (DependencyManager::get<ScriptEngines>()->isStopped()) {
return; // bail early - avoid setting state in init(), as evaluate() will bail too
}
@ -1025,7 +1023,7 @@ QObject* ScriptEngine::setupTimerWithInterval(const QScriptValue& function, int
}
QObject* ScriptEngine::setInterval(const QScriptValue& function, int intervalMS) {
if (_stoppingAllScripts) {
if (DependencyManager::get<ScriptEngines>()->isStopped()) {
qCDebug(scriptengine) << "Script.setInterval() while shutting down is ignored... parent script:" << getFilename();
return NULL; // bail early
}
@ -1034,7 +1032,7 @@ QObject* ScriptEngine::setInterval(const QScriptValue& function, int intervalMS)
}
QObject* ScriptEngine::setTimeout(const QScriptValue& function, int timeoutMS) {
if (_stoppingAllScripts) {
if (DependencyManager::get<ScriptEngines>()->isStopped()) {
qCDebug(scriptengine) << "Script.setTimeout() while shutting down is ignored... parent script:" << getFilename();
return NULL; // bail early
}
@ -1086,7 +1084,7 @@ void ScriptEngine::print(const QString& message) {
// If no callback is specified, the included files will be loaded synchronously and will block execution until
// all of the files have finished loading.
void ScriptEngine::include(const QStringList& includeFiles, QScriptValue callback) {
if (_stoppingAllScripts) {
if (DependencyManager::get<ScriptEngines>()->isStopped()) {
qCDebug(scriptengine) << "Script.include() while shutting down is ignored..."
<< "includeFiles:" << includeFiles << "parent script:" << getFilename();
return; // bail early
@ -1184,7 +1182,7 @@ void ScriptEngine::include(const QStringList& includeFiles, QScriptValue callbac
}
void ScriptEngine::include(const QString& includeFile, QScriptValue callback) {
if (_stoppingAllScripts) {
if (DependencyManager::get<ScriptEngines>()->isStopped()) {
qCDebug(scriptengine) << "Script.include() while shutting down is ignored... "
<< "includeFile:" << includeFile << "parent script:" << getFilename();
return; // bail early
@ -1199,7 +1197,7 @@ void ScriptEngine::include(const QString& includeFile, QScriptValue callback) {
// as a stand-alone script. To accomplish this, the ScriptEngine class just emits a signal which
// the Application or other context will connect to in order to know to actually load the script
void ScriptEngine::load(const QString& loadFile) {
if (_stoppingAllScripts) {
if (DependencyManager::get<ScriptEngines>()->isStopped()) {
qCDebug(scriptengine) << "Script.load() while shutting down is ignored... "
<< "loadFile:" << loadFile << "parent script:" << getFilename();
return; // bail early

View file

@ -83,6 +83,10 @@ public:
/// run the script in the callers thread, exit when stop() is called.
void run();
void waitTillDoneRunning();
QString getFilename() const;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// NOTE - these are NOT intended to be public interfaces available to scripts, the are only Q_INVOKABLE so we can
// properly ensure they are only called on the correct thread
@ -199,8 +203,6 @@ protected:
qint64 _lastUpdate;
void init();
QString getFilename() const;
void waitTillDoneRunning();
bool evaluatePending() const { return _evaluatesPending > 0; }
void timerFired();
void stopAllTimers();
@ -232,9 +234,6 @@ protected:
QUrl currentSandboxURL {}; // The toplevel url string for the entity script that loaded the code being executed, else empty.
void doWithEnvironment(const EntityItemID& entityID, const QUrl& sandboxURL, std::function<void()> operation);
void callWithEnvironment(const EntityItemID& entityID, const QUrl& sandboxURL, QScriptValue function, QScriptValue thisObject, QScriptValueList args);
friend class ScriptEngines;
static std::atomic<bool> _stoppingAllScripts;
};
#endif // hifi_ScriptEngine_h

View file

@ -119,26 +119,27 @@ void ScriptEngines::registerScriptInitializer(ScriptInitializer initializer) {
}
void ScriptEngines::addScriptEngine(ScriptEngine* engine) {
_allScriptsMutex.lock();
_allKnownScriptEngines.insert(engine);
_allScriptsMutex.unlock();
if (_isStopped) {
engine->deleteLater();
} else {
QMutexLocker locker(&_allScriptsMutex);
_allKnownScriptEngines.insert(engine);
}
}
void ScriptEngines::removeScriptEngine(ScriptEngine* engine) {
// If we're not already in the middle of stopping all scripts, then we should remove ourselves
// from the list of running scripts. We don't do this if we're in the process of stopping all scripts
// because that method removes scripts from its list as it iterates them
if (!_stoppingAllScripts) {
_allScriptsMutex.lock();
if (!_isStopped) {
QMutexLocker locker(&_allScriptsMutex);
_allKnownScriptEngines.remove(engine);
_allScriptsMutex.unlock();
}
}
void ScriptEngines::shutdownScripting() {
_allScriptsMutex.lock();
_stoppingAllScripts = true;
ScriptEngine::_stoppingAllScripts = true;
_isStopped = true;
QMutexLocker locker(&_allScriptsMutex);
qCDebug(scriptengine) << "Stopping all scripts.... currently known scripts:" << _allKnownScriptEngines.size();
QMutableSetIterator<ScriptEngine*> i(_allKnownScriptEngines);
@ -174,8 +175,6 @@ void ScriptEngines::shutdownScripting() {
i.remove();
}
}
_stoppingAllScripts = false;
_allScriptsMutex.unlock();
qCDebug(scriptengine) << "DONE Stopping all scripts....";
}
@ -499,7 +498,6 @@ void ScriptEngines::launchScriptEngine(ScriptEngine* scriptEngine) {
}
}
void ScriptEngines::onScriptFinished(const QString& rawScriptURL, ScriptEngine* engine) {
bool removed = false;
{

View file

@ -86,16 +86,17 @@ protected:
void onScriptEngineLoaded(const QString& scriptFilename);
void onScriptEngineError(const QString& scriptFilename);
void launchScriptEngine(ScriptEngine* engine);
bool isStopped() const { return _isStopped; }
QReadWriteLock _scriptEnginesHashLock;
QHash<QUrl, ScriptEngine*> _scriptEnginesHash;
QSet<ScriptEngine*> _allKnownScriptEngines;
QMutex _allScriptsMutex;
std::atomic<bool> _stoppingAllScripts { false };
std::list<ScriptInitializer> _scriptInitializers;
mutable Setting::Handle<QString> _scriptsLocationHandle;
ScriptsModel _scriptsModel;
ScriptsModelFilter _scriptsModelFilter;
std::atomic<bool> _isStopped { false };
};
QUrl normalizeScriptURL(const QUrl& rawScriptURL);