org.gjt.sp.util
Class ReadWriteLock

java.lang.Object
  org.gjt.sp.util.ReadWriteLock

public class ReadWriteLock

extends java.lang.Object

Implements consumer/producer locking scemantics.

Version:

$Id: ReadWriteLock.java,v 1.7 2004/02/14 19:02:49 spestov Exp $ The lock tries to be re-entrant when called from the same thread in some cases. The following is ok: read lock read lock read unlock read unlock write lock read lock read unlock write unlock The following is not ok: read lock write lock write unlock read unlock write lock write lock write unlock write unlock

Author:

Peter Graves

Constructor Summary

ReadWriteLock()

Method Summary

boolean	isWriteLocked()
void	readLock()
void	readUnlock()
void	writeLock()
void	writeUnlock()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadWriteLock

public ReadWriteLock()

Method Detail

readLock

public void readLock()

readUnlock

public void readUnlock()

writeLock

public void writeLock()

writeUnlock

public void writeUnlock()

isWriteLocked

public boolean isWriteLocked()