static void
pong(void *context)
{
dispatch_queue_t this_q = (dispatch_queue_t)context;
size_t replies = (size_t)dispatch_get_context(this_q);
dispatch_set_context(this_q, (void *)--replies);
if (!replies) {
//MU_MESSAGE("collect from: %s\n", dispatch_queue_get_label(dispatch_get_current_queue()));
dispatch_async_f(dispatch_get_main_queue(), NULL, collect);
}
}
void WorkQueue::executeFunction(void* context)
{
WorkQueue* queue = static_cast<WorkQueue*>(dispatch_get_context(dispatch_get_current_queue()));
OwnPtr<Function<void()> > function = adoptPtr(static_cast<Function<void()>*>(context));
{
MutexLocker locker(queue->m_isValidMutex);
if (!queue->m_isValid)
return;
}
(*function)();
}
void WorkQueue::executeWorkItem(void* item)
{
WorkQueue* queue = static_cast<WorkQueue*>(dispatch_get_context(dispatch_get_current_queue()));
OwnPtr<WorkItem> workItem(static_cast<WorkItem*>(item));
{
MutexLocker locker(queue->m_isValidMutex);
if (!queue->m_isValid)
return;
}
workItem->execute();
}
static dispatch_source_t
mach_create_client_source(xpc_port_t port, void *context, dispatch_queue_t tq)
{
mach_port_t mp = (mach_port_t)port;
dispatch_source_t ret;
ret = dispatch_source_create(DISPATCH_SOURCE_TYPE_MACH_RECV,
(uintptr_t)mp, 0, tq);
dispatch_set_context(ret, context);
dispatch_source_set_event_handler_f(ret, xpc_connection_recv_message);
dispatch_source_set_cancel_handler(ret, ^{
xpc_connection_destroy_peer(dispatch_get_context(ret));
});