openstack与aws区别？

Question

openstack与aws区别

Answer 1

protected void syncExec (Runnable runnable) {
RunnableLock lock = null;
synchronized (Device.class) {
if (display == null || display.isDisposed ()) SWT.error (SWT.ERROR_DEVICE_DISPOSED);
if (!display.isValidThread ()) {
if (runnable == null) {
display.wake ();
return;
}