nullconsole.java

来自「Nachos 5 java version」· Java 代码 · 共 25 行

// PART OF THE MACHINE SIMULATION. DO NOT CHANGE.

package nachos.machine;

import nachos.security.*;

/**
 * A null console device.
 */
public class NullConsole implements SerialConsole {
    public void init(Privilege privilege) {
    }
    
    public void setInterruptHandlers(Runnable receiveInterruptHandler,
				     Runnable sendInterruptHandler) {
    }

    public int	readByte() {
	return -1;
    }
    
    public void writeByte(int value) {
    }
}