code: public void releaseLock(CoordinationLockHandle clh)
    {
        if (tc.isEntryEnabled()) Tr.entry(tc, "releaseLock",clh);
  
        if (clh._fileLock != null)
        {
            try
            {
                clh._fileLock.release();
                clh._fileLock = null;
            }
            catch (Exception exc)
            {
            }
        }
  
        if (clh._channel != null)
        {
            try
            {
                clh._channel.close();
            }
            catch (Exception exc)
            {
            }
        }
  
        if (clh._raf != null)
        {
            try
            {
                clh._raf.close();
                clh._raf = null;
            }
            catch (Exception exc)
            {
            }
        }
  
        if (tc.isEntryEnabled()) Tr.exit(tc, "releaseLock");
    }
docs: Releases the exclusive lock.