Exemple #1
0
static void
sleep_interrupt (gpointer data)
{
	mono_coop_mutex_lock (&sleep_mutex);
	mono_coop_cond_broadcast (&sleep_cond);
	mono_coop_mutex_unlock (&sleep_mutex);
}
Exemple #2
0
static void
selector_thread (gpointer data)
{
	MonoError error;
	MonoGHashTable *states;

	io_selector_running = TRUE;

	if (mono_runtime_is_shutting_down ()) {
		io_selector_running = FALSE;
		return;
	}

	states = mono_g_hash_table_new_type (g_direct_hash, g_direct_equal, MONO_HASH_VALUE_GC, MONO_ROOT_SOURCE_THREAD_POOL, "i/o thread pool states table");

	for (;;) {
		gint i, j;
		gint res;

		mono_coop_mutex_lock (&threadpool_io->updates_lock);

		for (i = 0; i < threadpool_io->updates_size; ++i) {
			ThreadPoolIOUpdate *update = &threadpool_io->updates [i];

			switch (update->type) {
			case UPDATE_EMPTY:
				break;
			case UPDATE_ADD: {
				gint fd;
				gint operations;
				gpointer k;
				gboolean exists;
				MonoMList *list = NULL;
				MonoIOSelectorJob *job;

				fd = update->data.add.fd;
				g_assert (fd >= 0);

				job = update->data.add.job;
				g_assert (job);

				exists = mono_g_hash_table_lookup_extended (states, GINT_TO_POINTER (fd), &k, (gpointer*) &list);
				list = mono_mlist_append_checked (list, (MonoObject*) job, &error);
				mono_error_assert_ok (&error);
				mono_g_hash_table_replace (states, GINT_TO_POINTER (fd), list);

				operations = get_operations_for_jobs (list);

				mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_THREADPOOL, "io threadpool: %3s fd %3d, operations = %2s | %2s | %3s",
					exists ? "mod" : "add", fd, (operations & EVENT_IN) ? "RD" : "..", (operations & EVENT_OUT) ? "WR" : "..", (operations & EVENT_ERR) ? "ERR" : "...");

				threadpool_io->backend.register_fd (fd, operations, !exists);

				break;
			}
			case UPDATE_REMOVE_SOCKET: {
				gint fd;
				gpointer k;
				MonoMList *list = NULL;

				fd = update->data.remove_socket.fd;
				g_assert (fd >= 0);

				if (mono_g_hash_table_lookup_extended (states, GINT_TO_POINTER (fd), &k, (gpointer*) &list)) {
					mono_g_hash_table_remove (states, GINT_TO_POINTER (fd));

					for (j = i + 1; j < threadpool_io->updates_size; ++j) {
						ThreadPoolIOUpdate *update = &threadpool_io->updates [j];
						if (update->type == UPDATE_ADD && update->data.add.fd == fd)
							memset (update, 0, sizeof (ThreadPoolIOUpdate));
					}

					for (; list; list = mono_mlist_remove_item (list, list)) {
						mono_threadpool_ms_enqueue_work_item (mono_object_domain (mono_mlist_get_data (list)), mono_mlist_get_data (list), &error);
						mono_error_assert_ok (&error);
					}

					mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_THREADPOOL, "io threadpool: del fd %3d", fd);
					threadpool_io->backend.remove_fd (fd);
				}

				break;
			}
			case UPDATE_REMOVE_DOMAIN: {
				MonoDomain *domain;

				domain = update->data.remove_domain.domain;
				g_assert (domain);

				FilterSockaresForDomainData user_data = { .domain = domain, .states = states };
				mono_g_hash_table_foreach (states, filter_jobs_for_domain, &user_data);

				for (j = i + 1; j < threadpool_io->updates_size; ++j) {
					ThreadPoolIOUpdate *update = &threadpool_io->updates [j];
					if (update->type == UPDATE_ADD && mono_object_domain (update->data.add.job) == domain)
						memset (update, 0, sizeof (ThreadPoolIOUpdate));
				}

				break;
			}
			default:
				g_assert_not_reached ();
			}
		}

		mono_coop_cond_broadcast (&threadpool_io->updates_cond);

		if (threadpool_io->updates_size > 0) {
			threadpool_io->updates_size = 0;
			memset (&threadpool_io->updates, 0, UPDATES_CAPACITY * sizeof (ThreadPoolIOUpdate));
		}

		mono_coop_mutex_unlock (&threadpool_io->updates_lock);

		mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_IO_THREADPOOL, "io threadpool: wai");

		res = threadpool_io->backend.event_wait (wait_callback, states);

		if (res == -1 || mono_runtime_is_shutting_down ())
			break;
	}

	mono_g_hash_table_destroy (states);

	io_selector_running = FALSE;
}