Object c_GenArrayWaitHandle::ti_create(const char* cls, CArrRef dependencies) {
Array deps = dependencies->copy();
for (ssize_t iter_pos = deps->iter_begin();
iter_pos != ArrayData::invalid_index;
iter_pos = deps->iter_advance(iter_pos)) {
TypedValue* current = deps->nvGetValueRef(iter_pos);
if (UNLIKELY(current->m_type == KindOfRef)) {
tvUnbox(current);
}
if (!c_WaitHandle::fromTypedValue(current) &&
!IS_NULL_TYPE(current->m_type)) {
Object e(SystemLib::AllocInvalidArgumentExceptionObject(
"Expected dependencies to be an array of WaitHandle instances"));
throw e;
}
}
Object exception;
for (ssize_t iter_pos = deps->iter_begin();
iter_pos != ArrayData::invalid_index;
iter_pos = deps->iter_advance(iter_pos)) {
TypedValue* current = deps->nvGetValueRef(iter_pos);
if (IS_NULL_TYPE(current->m_type)) {
// {uninit,null} yields null
tvWriteNull(current);
continue;
}
assert(current->m_type == KindOfObject);
assert(dynamic_cast<c_WaitHandle*>(current->m_data.pobj));
auto child = static_cast<c_WaitHandle*>(current->m_data.pobj);
if (child->isSucceeded()) {
tvSetIgnoreRef(child->getResult(), current);
} else if (child->isFailed()) {
putException(exception, child->getException());
} else {
assert(dynamic_cast<c_WaitableWaitHandle*>(child));
auto child_wh = static_cast<c_WaitableWaitHandle*>(child);
c_GenArrayWaitHandle* my_wh = NEWOBJ(c_GenArrayWaitHandle)();
my_wh->initialize(exception, deps, iter_pos, child_wh);
return my_wh;
}
}
if (exception.isNull()) {
TypedValue tv;
tv.m_type = KindOfArray;
tv.m_data.parr = deps.get();
return c_StaticResultWaitHandle::Create(&tv);
} else {
return c_StaticExceptionWaitHandle::Create(exception.get());
}
}
void c_SetResultToRefWaitHandle::markAsFailed(CObjRef exception) {
RefData* ref = m_ref;
m_ref = nullptr;
tvSetIgnoreRef(make_tv<KindOfNull>(), *ref->tv());
decRefRef(ref);
setException(exception.get());
m_child = nullptr;
}
void c_SetResultToRefWaitHandle::markAsSucceeded(const TypedValue* result) {
RefData* ref = m_ref;
m_ref = nullptr;
tvSetIgnoreRef(result, ref->tv());
decRefRef(ref);
setResult(result);
m_child = nullptr;
}
void c_GenArrayWaitHandle::onUnblocked() {
for (;
m_iterPos != ArrayData::invalid_index;
m_iterPos = m_deps->iter_advance(m_iterPos)) {
TypedValue* current = m_deps->nvGetValueRef(m_iterPos);
if (IS_NULL_TYPE(current->m_type)) {
// {uninit,null} yields null
tvWriteNull(current);
continue;
}
assert(current->m_type == KindOfObject);
assert(dynamic_cast<c_WaitHandle*>(current->m_data.pobj));
auto child = static_cast<c_WaitHandle*>(current->m_data.pobj);
if (child->isSucceeded()) {
tvSetIgnoreRef(child->getResult(), current);
} else if (child->isFailed()) {
putException(m_exception, child->getException());
} else {
assert(dynamic_cast<c_WaitableWaitHandle*>(child));
auto child_wh = static_cast<c_WaitableWaitHandle*>(child);
try {
blockOn(child_wh);
return;
} catch (const Object& cycle_exception) {
putException(m_exception, cycle_exception.get());
}
}
}
if (m_exception.isNull()) {
TypedValue result;
result.m_type = KindOfArray;
result.m_data.parr = m_deps.get();
setResult(&result);
m_deps = nullptr;
} else {
setException(m_exception.get());
m_exception = nullptr;
m_deps = nullptr;
}
}
