t.Fatalf("expected to not need idle mark workers")
	}
	if c.AddIdleMarkWorker() {
		t.Fatalf("expected to not be able to add an idle mark worker")
	}
	for i := 0; i < workers; i++ {
		c.RemoveIdleMarkWorker()
		if !c.NeedIdleMarkWorker() {
			t.Fatalf("expected to need idle mark workers after removal: i=%d", i)
		}
	}
	for i := 0; i < workers-1; i++ {
		if !c.AddIdleMarkWorker() {

	p := c.idleMarkWorkers.Load()
	n, max := int32(p&uint64(^uint32(0))), int32(p>>32)
	return n < max
}

// removeIdleMarkWorker must be called when a new idle mark worker stops executing.
func (c *gcControllerState) removeIdleMarkWorker() {
	for {
		old := c.idleMarkWorkers.Load()
		n, max := int32(old&uint64(^uint32(0))), int32(old>>32)
		if n-1 < 0 {

	return c.addIdleMarkWorker()
}

func (c *GCController) NeedIdleMarkWorker() bool {
	return c.needIdleMarkWorker()
}

func (c *GCController) RemoveIdleMarkWorker() {
	c.removeIdleMarkWorker()
}

func (c *GCController) SetMaxIdleMarkWorkers(max int32) {
	c.setMaxIdleMarkWorkers(max)
}

var alwaysFalse bool
var escapeSink any

			trace := traceAcquire()
			casgstatus(gp, _Gwaiting, _Grunnable)
			if trace.ok() {
				trace.GoUnpark(gp, 0)
				traceRelease(trace)
			}
			return gp, false, false
		}
		gcController.removeIdleMarkWorker()
	}

	// wasm only:
	// If a callback returned and no other goroutine is awake,
	// then wake event handler goroutine which pauses execution
	// until a callback was triggered.