Class PCB

java.lang.Object
  |
  +--PCB

public class PCB

extends java.lang.Object

A PCB represents a user process.

Constructor Summary

PCB(int tid, Image im)
new PCB(tid, im) returns a new PCB with process identifier tid and executable image im.

Method Summary

java.lang.String	getDescription() proc.getDescription() returns a description of proc.
Image	getImage() proc.getImage() returns the executable image for proc.
PageTable	getPageTable() proc.getPageTable() returns the page table for proc.
int	getPID() proc.getPID() returns the process identifier for proc.
int	getTimeLeft() proc.getTimeLeft() returns the CPU time remaining until proc has completed execution.
boolean	isTerminated() proc.isTerminated() returns true if proc has terminated execution.
void	run(int t) proc.run(t) runs proc for t clock ticks.
void	setPageTable(PageTable pt) proc.setPageTable(pt) sets the page table for proc to pt.
java.lang.String	toString() proc.toString() returns the class name and process identifier of proc as a string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PCB

public PCB(int tid,
           Image im)

new PCB(tid, im) returns a new PCB with process identifier tid and executable image im.

Method Detail

getPID

public int getPID()

proc.getPID() returns the process identifier for proc.

getImage

public Image getImage()

proc.getImage() returns the executable image for proc.

getTimeLeft

public int getTimeLeft()

proc.getTimeLeft() returns the CPU time remaining until proc has completed execution.

isTerminated

public boolean isTerminated()

proc.isTerminated() returns true if proc has terminated execution.

getPageTable

public PageTable getPageTable()

proc.getPageTable() returns the page table for proc.

setPageTable

public void setPageTable(PageTable pt)

proc.setPageTable(pt) sets the page table for proc to pt.

getDescription

public java.lang.String getDescription()

proc.getDescription() returns a description of proc.

toString

public java.lang.String toString()

proc.toString() returns the class name and process identifier of proc as a string.

Overrides:

toString in class java.lang.Object

run

public void run(int t)

proc.run(t) runs proc for t clock ticks.