void EventHook::onFunctionReturn(ActRec* ar, TypedValue retval) {
// The locals are already gone. Null out everything.
ar->setThisOrClassAllowNull(nullptr);
ar->setLocalsDecRefd();
ar->setVarEnv(nullptr);
try {
ssize_t flags = CheckSurprise();
onFunctionExit(ar, &retval, nullptr, flags);
// Async profiler
if ((flags & AsyncEventHookFlag) &&
ar->func()->isAsyncFunction() && ar->resumed()) {
auto session = AsioSession::Get();
// Return @ resumed execution => AsyncFunctionWaitHandle succeeded.
if (session->hasOnResumableSuccessCallback()) {
auto afwh = frame_afwh(ar);
session->onResumableSuccess(afwh, cellAsCVarRef(retval));
}
}
} catch (...) {
/*
* We're responsible for freeing the return value if we exit with an
* exception. See irgen-ret.
*/
tvRefcountedDecRef(retval);
throw;
}
}
void EventHook::onFunctionReturn(ActRec* ar, const TypedValue& retval) {
// Null out $this for the exiting function, it has been decref'd so it's
// garbage.
ar->setThisOrClassAllowNull(nullptr);
// The locals are already gone. Mark them as decref'd so that if this hook
// fails and unwinder kicks in, it won't try to decref them again.
ar->setLocalsDecRefd();
// TODO(#5758054): does this need setVarEnv(nullptr) ?
ssize_t flags = CheckSurprise();
onFunctionExit(ar, &retval, nullptr, flags);
// Async profiler
if ((flags & RequestInjectionData::AsyncEventHookFlag) &&
ar->func()->isAsyncFunction() && ar->resumed()) {
auto session = AsioSession::Get();
// Return @ resumed execution => AsyncFunctionWaitHandle succeeded.
if (session->hasOnResumableSuccessCallback()) {
auto afwh = frame_afwh(ar);
session->onResumableSuccess(afwh, cellAsCVarRef(retval));
}
}
}
void AsioSession::updateEventHookState() {
if (hasOnResumableCreateCallback() ||
hasOnResumableAwaitCallback() ||
hasOnResumableSuccessCallback()) {
EventHook::EnableAsync();
} else {
EventHook::DisableAsync();
}
}
