package nl.uu.cs.tbijlsma.concjmeta;

import static nl.uu.cs.tbijlsma.concj.Globals.getThreadManager;
import nl.uu.cs.tbijlsma.concj.ConcJExclude;
import nl.uu.cs.tbijlsma.concj.TLog;
import nl.uu.cs.tbijlsma.concj.thread.SwitchPointMode;
import nl.uu.cs.tbijlsma.concj.thread.ThreadLockingState;
import nl.uu.cs.tbijlsma.concj.thread.ThreadManager;
import nl.uu.cs.tbijlsma.concj.thread.ThreadState;

@ConcJExclude
public final class LockSupportMeta {

	private LockSupportMeta() {		
	}
	
	public static void park() {
		park(null);
	}
	
	public static void park(Object blocker) {
		TLog.v("PARK");
		
		ThreadManager tman = getThreadManager();
		tman.switchPoint(SwitchPointMode.PARK);
	}
	
	public static void unpark(Thread t) {
		TLog.v("UNPARK");
		
		ThreadManager tman = getThreadManager();
		ThreadState ts = tman.getState(t);
		ThreadLockingState tls = ts.getLockingState();
		tls.unpark();
	}
	
}