void AsioSession::updateEventHookState() {
if (hasOnResumableCreate() ||
hasOnResumableAwait() ||
hasOnResumableSuccess()) {
EventHook::EnableAsync();
} else {
EventHook::DisableAsync();
}
}
void EventHook::onFunctionSuspendE(ActRec* suspending,
const ActRec* resumableAR) {
// When we're suspending an eagerly executing resumable, we've already
// teleported the ActRec from suspending over to resumableAR, so we need to
// make sure the unwinder knows not to touch the locals, $this, or
// VarEnv/ExtraArgs.
suspending->setThisOrClassAllowNull(nullptr);
suspending->setLocalsDecRefd();
suspending->setVarEnv(nullptr);
try {
auto const flags = check_request_surprise();
onFunctionExit(resumableAR, nullptr, false, nullptr, flags);
if ((flags & AsyncEventHookFlag) &&
resumableAR->func()->isAsyncFunction()) {
assert(resumableAR->resumed());
auto const afwh = frame_afwh(resumableAR);
auto const session = AsioSession::Get();
if (session->hasOnResumableCreate()) {
session->onResumableCreate(afwh, afwh->getChild());
}
}
} catch (...) {
auto const resumableObj = [&]() -> ObjectData* {
if (resumableAR->func()->isAsyncFunction()) {
return frame_afwh(resumableAR);
}
assert(resumableAR->func()->isGenerator());
return !resumableAR->func()->isAsync()
? frame_generator(resumableAR)->toObject()
: frame_async_generator(resumableAR)->toObject();
}();
decRefObj(resumableObj);
throw;
}
}
