- if (task->tso != NULL) {
- // A bound task only runs if its thread is on the run queue of
- // the capability on which it was woken up. Otherwise, we
- // can't be sure that we have the right capability: the thread
- // might be woken up on some other capability, and task->cap
- // could change under our feet.
- return !emptyRunQueue(cap) && cap->run_queue_hd->bound == task;
- } else {
- // A vanilla worker task runs if either there is a lightweight
- // thread at the head of the run queue, or the run queue is
- // empty and (there are sparks to execute, or there is some
- // other global condition to check, such as threads blocked on
- // blackholes).
- if (emptyRunQueue(cap)) {
- return !emptySparkPoolCap(cap)
- || !emptyWakeupQueue(cap)
- || globalWorkToDo()
- || stealWork(cap); /* if all false: try to steal work */
- } else {
- return cap->run_queue_hd->bound == NULL;
- }