m_socketObservable->addObserver(cs_fileno(m_cs), this);
m_socketObservable->maskObserver(this, YAZ_SOCKET_OBSERVE_READ|
YAZ_SOCKET_OBSERVE_EXCEPT);
m_socketObservable->addObserver(cs_fileno(m_cs), this);
m_socketObservable->maskObserver(this, YAZ_SOCKET_OBSERVE_READ|
YAZ_SOCKET_OBSERVE_EXCEPT);