void
HangMonitorParent::SendHangNotification(const HangData& aHangData,
const nsString& aBrowserDumpId,
bool aTakeMinidump)
{
// chrome process, main thread
MOZ_RELEASE_ASSERT(NS_IsMainThread());
nsString dumpId;
if ((aHangData.type() == HangData::TPluginHangData) && aTakeMinidump) {
// We've been handed a partial minidump; complete it with plugin and
// content process dumps.
const PluginHangData& phd = aHangData.get_PluginHangData();
plugins::TakeFullMinidump(phd.pluginId(), phd.contentProcessId(),
aBrowserDumpId, dumpId);
UpdateMinidump(phd.pluginId(), dumpId);
} else {
// We already have a full minidump; go ahead and use it.
dumpId = aBrowserDumpId;
}
mProcess->SetHangData(aHangData, dumpId);
nsCOMPtr<nsIObserverService> observerService =
mozilla::services::GetObserverService();
observerService->NotifyObservers(mProcess, "process-hang-report", nullptr);
}
bool
HangMonitorParent::RecvHangEvidence(const HangData& aHangData)
{
// chrome process, background thread
MOZ_RELEASE_ASSERT(MessageLoop::current() == MonitorLoop());
if (!mReportHangs) {
return true;
}
#ifdef XP_WIN
// Don't report hangs if we're debugging the process. You can comment this
// line out for testing purposes.
if (IsDebuggerPresent()) {
return true;
}
#endif
// Before we wake up the browser main thread we want to take a
// browser minidump.
nsAutoString crashId;
#ifdef MOZ_CRASHREPORTER
if (aHangData.type() == HangData::TPluginHangData) {
MutexAutoLock lock(mBrowserCrashDumpHashLock);
const PluginHangData& phd = aHangData.get_PluginHangData();
if (!mBrowserCrashDumpIds.Get(phd.pluginId(), &crashId)) {
nsCOMPtr<nsIFile> browserDump;
if (CrashReporter::TakeMinidump(getter_AddRefs(browserDump), true)) {
if (!CrashReporter::GetIDFromMinidump(browserDump, crashId) || crashId.IsEmpty()) {
browserDump->Remove(false);
NS_WARNING("Failed to generate timely browser stack, this is bad for plugin hang analysis!");
} else {
mBrowserCrashDumpIds.Put(phd.pluginId(), crashId);
}
}
}
}
#endif
mHangMonitor->InitiateCPOWTimeout();
MonitorAutoLock lock(mMonitor);
nsCOMPtr<nsIRunnable> notifier =
new HangObserverNotifier(mProcess, aHangData, crashId);
NS_DispatchToMainThread(notifier);
return true;
}
mozilla::ipc::IPCResult
HangMonitorParent::RecvHangEvidence(const HangData& aHangData)
{
// chrome process, background thread
MOZ_RELEASE_ASSERT(IsOnThread());
if (!mReportHangs) {
return IPC_OK();
}
#ifdef XP_WIN
// Don't report hangs if we're debugging the process. You can comment this
// line out for testing purposes.
if (IsDebuggerPresent()) {
return IPC_OK();
}
#endif
// Before we wake up the browser main thread we want to take a
// browser minidump.
nsAutoString crashId;
bool takeMinidump = false;
if (aHangData.type() == HangData::TPluginHangData) {
takeMinidump = TakeBrowserMinidump(aHangData.get_PluginHangData(), crashId);
}
mHangMonitor->InitiateCPOWTimeout();
MonitorAutoLock lock(mMonitor);
NS_DispatchToMainThread(
mMainThreadTaskFactory.NewRunnableMethod(
&HangMonitorParent::SendHangNotification, aHangData, crashId,
takeMinidump));
return IPC_OK();
}
bool
HangMonitorParent::RecvHangEvidence(const HangData& aHangData)
{
// chrome process, background thread
MOZ_RELEASE_ASSERT(MessageLoop::current() == MonitorLoop());
if (!mReportHangs) {
return true;
}
#ifdef XP_WIN
// Don't report hangs if we're debugging the process. You can comment this
// line out for testing purposes.
if (IsDebuggerPresent()) {
return true;
}
#endif
// Before we wake up the browser main thread we want to take a
// browser minidump.
nsAutoString crashId;
bool takeMinidump = false;
if (aHangData.type() == HangData::TPluginHangData) {
takeMinidump = TakeBrowserMinidump(aHangData.get_PluginHangData(), crashId);
}
mHangMonitor->InitiateCPOWTimeout();
MonitorAutoLock lock(mMonitor);
nsCOMPtr<nsIRunnable> notifier =
new HangObserverNotifier(mProcess, this, aHangData, crashId, takeMinidump);
NS_DispatchToMainThread(notifier);
return true;
}