sf_getoption_func

Declaration

typedef errno_t (*sf_getoption_func)(void *cookie, socket_t so, sockopt_t opt);

Parameters

• cookie:

  Cookie value specified when the filter attach was called.

• so:

  The socket the filter is attached to.

• opt:

  The socket option to get.

Return Value

Return: 0 - The caller will continue with normal processing of the getsockopt. EJUSTRETURN - The caller will return with a value of 0 (no error) from that point without further propagating the get option command. The socket and protocol layers will not see the call. Anything Else - The caller will stop processing and return this error.

Discussion

sf_getoption_func is called before performing getsockopt on a socket.