static gboolean
workers_get_work (WorkerData *data)
{
SgenMajorCollector *major;
g_assert (sgen_gray_object_queue_is_empty (&data->private_gray_queue));
/* If we're concurrent, steal from the workers distribute gray queue. */
major = sgen_get_major_collector ();
if (major->is_concurrent) {
GrayQueueSection *section = sgen_section_gray_queue_dequeue (&workers_distribute_gray_queue);
if (section) {
sgen_gray_object_enqueue_section (&data->private_gray_queue, section);
return TRUE;
}
}
/* Nobody to steal from */
g_assert (sgen_gray_object_queue_is_empty (&data->private_gray_queue));
return FALSE;
}
static gboolean
workers_get_work (WorkerData *data)
{
SgenMajorCollector *major;
int i;
g_assert (sgen_gray_object_queue_is_empty (&data->private_gray_queue));
/* Try to steal from our own stack. */
if (workers_steal (data, data, TRUE))
return TRUE;
/* From another worker. */
for (i = 0; i < workers_num; ++i) {
WorkerData *victim_data = &workers_data [i];
if (data == victim_data)
continue;
if (workers_steal (data, victim_data, TRUE))
return TRUE;
}
/*
* If we're concurrent or parallel, from the workers
* distribute gray queue.
*/
major = sgen_get_major_collector ();
if (major->is_concurrent || major->is_parallel) {
GrayQueueSection *section = sgen_section_gray_queue_dequeue (&workers_distribute_gray_queue);
if (section) {
sgen_gray_object_enqueue_section (&data->private_gray_queue, section);
return TRUE;
}
}
/* Nobody to steal from */
g_assert (sgen_gray_object_queue_is_empty (&data->private_gray_queue));
return FALSE;
}
