void
PluginModuleParent::ActorDestroy(ActorDestroyReason why)
{
switch (why) {
case AbnormalShutdown: {
#ifdef MOZ_CRASHREPORTER
CrashReporterParent* crashReporter = CrashReporter();
CrashReporter::AnnotationTable notes;
notes.Init(4);
WriteExtraDataForMinidump(notes);
if (!mPluginDumpID.IsEmpty() && !mBrowserDumpID.IsEmpty()) {
crashReporter->GenerateHangCrashReport(¬es);
}
else if (!mPluginDumpID.IsEmpty()) {
// Nothing to do, we've already written this minidump in
// PluginModuleParent::OnCrash
}
else if (crashReporter->GenerateCrashReport(this, ¬es)) {
mPluginDumpID = crashReporter->ChildDumpID();
PLUGIN_LOG_DEBUG(("got child minidump: %s",
NS_ConvertUTF16toUTF8(mPluginDumpID).get()));
}
else {
NS_WARNING("[PluginModuleParent::ActorDestroy] abnormal shutdown without minidump!");
}
#endif
mShutdown = true;
// Defer the PluginCrashed method so that we don't re-enter
// and potentially modify the actor child list while enumerating it.
if (mPlugin)
MessageLoop::current()->PostTask(
FROM_HERE,
mTaskFactory.NewRunnableMethod(
&PluginModuleParent::NotifyPluginCrashed));
break;
}
case NormalShutdown:
mShutdown = true;
break;
default:
NS_ERROR("Unexpected shutdown reason for toplevel actor.");
}
}
void
ContentParent::ActorDestroy(ActorDestroyReason why)
{
nsCOMPtr<nsIThreadObserver>
kungFuDeathGrip(static_cast<nsIThreadObserver*>(this));
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->RemoveObserver(static_cast<nsIObserver*>(this), "xpcom-shutdown");
obs->RemoveObserver(static_cast<nsIObserver*>(this), "memory-pressure");
obs->RemoveObserver(static_cast<nsIObserver*>(this), "child-memory-reporter-request");
obs->RemoveObserver(static_cast<nsIObserver*>(this), NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC);
obs->RemoveObserver(static_cast<nsIObserver*>(this), "child-gc-request");
obs->RemoveObserver(static_cast<nsIObserver*>(this), "child-cc-request");
#ifdef ACCESSIBILITY
obs->RemoveObserver(static_cast<nsIObserver*>(this), "a11y-init-or-shutdown");
#endif
}
mMessageManager->Disconnect();
// clear the child memory reporters
InfallibleTArray<MemoryReport> empty;
SetChildMemoryReporters(empty);
// remove the global remote preferences observers
nsCOMPtr<nsIPrefBranch2> prefs
(do_GetService(NS_PREFSERVICE_CONTRACTID));
if (prefs) {
prefs->RemoveObserver("", this);
}
RecvRemoveGeolocationListener();
RecvRemoveDeviceMotionListener();
nsCOMPtr<nsIThreadInternal>
threadInt(do_QueryInterface(NS_GetCurrentThread()));
if (threadInt)
threadInt->RemoveObserver(this);
if (mRunToCompletionDepth)
mRunToCompletionDepth = 0;
if (gContentParents) {
gContentParents->RemoveElement(this);
if (!gContentParents->Length()) {
delete gContentParents;
gContentParents = NULL;
}
}
mIsAlive = false;
if (obs) {
nsRefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
props->Init();
if (AbnormalShutdown == why) {
props->SetPropertyAsBool(NS_LITERAL_STRING("abnormal"), true);
#ifdef MOZ_CRASHREPORTER
MOZ_ASSERT(ManagedPCrashReporterParent().Length() > 0);
CrashReporterParent* crashReporter =
static_cast<CrashReporterParent*>(ManagedPCrashReporterParent()[0]);
crashReporter->GenerateCrashReport(this, NULL);
nsAutoString dumpID(crashReporter->ChildDumpID());
props->SetPropertyAsAString(NS_LITERAL_STRING("dumpID"), dumpID);
#endif
obs->NotifyObservers((nsIPropertyBag2*) props, "ipc:content-shutdown", nsnull);
}
}
MessageLoop::current()->
PostTask(FROM_HERE,
NewRunnableFunction(DelayedDeleteSubprocess, mSubprocess));
mSubprocess = NULL;
// IPDL rules require actors to live on past ActorDestroy, but it
// may be that the kungFuDeathGrip above is the last reference to
// |this|. If so, when we go out of scope here, we're deleted and
// all hell breaks loose.
//
// This runnable ensures that a reference to |this| lives on at
// least until after the current task finishes running.
NS_DispatchToCurrentThread(new DelayedDeleteContentParentTask(this));
}