aeron-client/src/main/java/io/aeron/Aeron.java
public void close()
        {
            final MappedByteBuffer cncByteBuffer = this.cncByteBuffer;
            this.cncByteBuffer = null;
            IoUtil.unmap(cncByteBuffer);
            super.close();
        }
public void close()
        {
            final MappedByteBuffer cncByteBuffer = this.cncByteBuffer;
            this.cncByteBuffer = null;
            IoUtil.unmap(cncByteBuffer);
            super.close();
        }
Clean up all resources that the client uses to communicate with the Media Driver.