void shutdown()
{
#if defined(LEAK_SANITIZER)
// If LSan is about to perform leak detection, release all the registered
// static Persistent<> root references to global caches that Blink keeps,
// followed by GCs to clear out all they referred to. A full v8 GC cycle
// is needed to flush out all garbage.
//
// This is not needed for caches over non-Oilpan objects, as they're
// not scanned by LSan due to being held in non-global storage
// ("static" references inside functions/methods.)
if (ThreadState* threadState = ThreadState::current()) {
threadState->releaseStaticPersistentNodes();
Heap::collectAllGarbage();
}
#endif
// currentThread() is null if we are running on a thread without a message loop.
if (Platform::current()->currentThread()) {
Platform::current()->unregisterMemoryDumpProvider(WebCacheMemoryDumpProvider::instance());
Platform::current()->unregisterMemoryDumpProvider(FontCacheMemoryDumpProvider::instance());
// We don't need to (cannot) remove s_endOfTaskRunner from the current
// message loop, because the message loop is already destructed before
// the shutdown() is called.
delete s_endOfTaskRunner;
s_endOfTaskRunner = nullptr;
ASSERT(s_gcTaskRunner);
delete s_gcTaskRunner;
s_gcTaskRunner = nullptr;
}
// Shutdown V8-related background threads before V8 is ramped down. Note
// that this will wait the thread to stop its operations.
ScriptStreamerThread::shutdown();
v8::Isolate* isolate = V8PerIsolateData::mainThreadIsolate();
V8PerIsolateData::willBeDestroyed(isolate);
// Make sure we stop WorkerThreads before the main thread's ThreadState
// and later shutdown steps starts freeing up resources needed during
// worker termination.
WorkerThread::terminateAndWaitForAllWorkers();
ModulesInitializer::terminateThreads();
// Detach the main thread before starting the shutdown sequence
// so that the main thread won't get involved in a GC during the shutdown.
ThreadState::detachMainThread();
V8PerIsolateData::destroy(isolate);
shutdownWithoutV8();
}
void shutdown()
{
// currentThread() is null if we are running on a thread without a message loop.
if (Platform::current()->currentThread()) {
// We don't need to (cannot) remove s_endOfTaskRunner from the current
// message loop, because the message loop is already destructed before
// the shutdown() is called.
delete s_endOfTaskRunner;
s_endOfTaskRunner = 0;
}
ASSERT(s_isolateInterruptor);
ThreadState::current()->removeInterruptor(s_isolateInterruptor);
// currentThread() is null if we are running on a thread without a message loop.
if (Platform::current()->currentThread()) {
ASSERT(s_pendingGCRunner);
delete s_pendingGCRunner;
s_pendingGCRunner = 0;
ASSERT(s_messageLoopInterruptor);
ThreadState::current()->removeInterruptor(s_messageLoopInterruptor);
delete s_messageLoopInterruptor;
s_messageLoopInterruptor = 0;
}
// Shutdown V8-related background threads before V8 is ramped down. Note
// that this will wait the thread to stop its operations.
ScriptStreamerThread::shutdown();
v8::Isolate* isolate = V8PerIsolateData::mainThreadIsolate();
V8PerIsolateData::willBeDestroyed(isolate);
// Make sure we stop WorkerThreads before the main thread's ThreadState
// and later shutdown steps starts freeing up resources needed during
// worker termination.
#ifdef MINIBLINK_NOT_IMPLEMENTED
WorkerThread::terminateAndWaitForAllWorkers();
#endif // MINIBLINK_NOT_IMPLEMENTED
ModulesInitializer::terminateThreads();
// Detach the main thread before starting the shutdown sequence
// so that the main thread won't get involved in a GC during the shutdown.
ThreadState::detachMainThread();
V8PerIsolateData::destroy(isolate);
shutdownWithoutV8();
}
void shutdown()
{
// currentThread will always be non-null in production, but can be null in Chromium unit tests.
if (Platform::current()->currentThread()) {
ASSERT(s_endOfTaskRunner);
#ifndef NDEBUG
v8::V8::RemoveCallCompletedCallback(&assertV8RecursionScope);
#endif
Platform::current()->currentThread()->removeTaskObserver(s_endOfTaskRunner);
delete s_endOfTaskRunner;
s_endOfTaskRunner = 0;
}
shutdownWithoutV8();
WebCore::V8PerIsolateData::dispose(v8::Isolate::GetCurrent());
v8::V8::Dispose();
}
void shutdown()
{
// currentThread will always be non-null in production, but can be null in Chromium unit tests.
if (Platform::current()->currentThread()) {
ASSERT(s_endOfTaskRunner);
Platform::current()->currentThread()->removeTaskObserver(s_endOfTaskRunner);
delete s_endOfTaskRunner;
s_endOfTaskRunner = 0;
}
ASSERT(s_isolateInterruptor);
WebCore::ThreadState::current()->removeInterruptor(s_isolateInterruptor);
// currentThread will always be non-null in production, but can be null in Chromium unit tests.
if (Platform::current()->currentThread()) {
ASSERT(s_pendingGCRunner);
delete s_pendingGCRunner;
s_pendingGCRunner = 0;
ASSERT(s_messageLoopInterruptor);
WebCore::ThreadState::current()->removeInterruptor(s_messageLoopInterruptor);
delete s_messageLoopInterruptor;
s_messageLoopInterruptor = 0;
}
// Detach the main thread before starting the shutdown sequence
// so that the main thread won't get involved in a GC during the shutdown.
WebCore::ThreadState::detachMainThread();
v8::Isolate* isolate = WebCore::V8PerIsolateData::mainThreadIsolate();
WebCore::V8PerIsolateData::dispose(isolate);
isolate->Exit();
isolate->Dispose();
shutdownWithoutV8();
}
