net.wimpi.telnetd.util
Class ReentrantLock

java.lang.Object
  net.wimpi.telnetd.util.ReentrantLock

public class ReentrantLock
extends java.lang.Object

Version:

@version@ (@date@)

Author:

Doug Lea

Field Summary

protected long	m_Holds
protected java.lang.Thread	m_Owner

Constructor Summary

ReentrantLock()

Method Summary

void	acquire()
boolean	attempt(long msecs)
long	holds() Return the number of unreleased acquires performed by the current thread.
void	release() Release the lock.
void	release(long n) Release the lock N times.

Methods inherited from class java.lang.Object

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

Field Detail

m_Owner

protected java.lang.Thread m_Owner

m_Holds

protected long m_Holds

Constructor Detail

ReentrantLock

public ReentrantLock()

Method Detail

acquire

public void acquire()
             throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

attempt

public boolean attempt(long msecs)
                throws java.lang.InterruptedException

Throws:

java.lang.InterruptedException

release

public void release()

Release the lock.

Throws:

java.lang.Error - thrown if not current owner of lock

release

public void release(long n)

Release the lock N times. release(n) is equivalent in effect to:

   for (int i = 0; i < n; ++i) release();
 

Throws:

java.lang.Error - thrown if not current owner of lock or has fewer than N holds on the lock

holds

public long holds()

Return the number of unreleased acquires performed by the current thread. Returns zero if current thread does not hold lock.