Name: Test Single-Threaded Workqueues
Status: Booted on 2.6.6-rc1-bk3
Depends: 

Tests for create_singlethread_workqueue().

diff -urpN --exclude TAGS -X /home/rusty/devel/kernel/kernel-patches/current-dontdiff --minimal .21134-linux-2.6.6-rc1-bk3/kernel/workqueue.c .21134-linux-2.6.6-rc1-bk3.updated/kernel/workqueue.c
--- .21134-linux-2.6.6-rc1-bk3/kernel/workqueue.c	2004-04-19 16:03:50.000000000 +1000
+++ .21134-linux-2.6.6-rc1-bk3.updated/kernel/workqueue.c	2004-04-19 16:05:04.000000000 +1000
@@ -500,3 +503,29 @@ EXPORT_SYMBOL(schedule_work);
 EXPORT_SYMBOL(schedule_delayed_work);
 EXPORT_SYMBOL(flush_scheduled_work);
 
+static DECLARE_COMPLETION(done);
+static void testfn(void *arg)
+{
+	printk("%s: %lu %s\n", current->comm, current->cpus_allowed,
+	       (char *)arg);
+	complete(&done);
+}
+
+static int __init test_workqueue(void)
+{
+	DECLARE_WORK(work1, testfn, "work1");
+	DECLARE_WORK(work2, testfn, "work2");
+	struct workqueue_struct *test_wq;
+
+	test_wq = create_singlethread_workqueue("testqueue");
+	init_completion(&done);
+	queue_work(test_wq, &work1);
+	flush_workqueue(test_wq);
+	wait_for_completion(&done);
+	init_completion(&done);
+	queue_delayed_work(test_wq, &work2, HZ);
+	wait_for_completion(&done);
+	destroy_workqueue(test_wq);
+	return 0;
+}
+__initcall(test_workqueue);