Open System Services System Calls Reference Manual (G06.29+, H06.08+, J06.03+)

System Functions (f - i) getsockopt(2)

[ENOTSOCK] The socket parameter does not refer to a socket.

[EOPNOTSUPP]

The speciﬁed operation is not supported by the protocol used by the socket.

RELATED INFORMATION

Functions: bind(2), close(2), endprotoent(3), getprotobynumber(3), getprotoent(3), setpro-

toent(3), setsockopt(2), socket(2), socketpair(2).

STANDARDS CONFORMANCE

The HP implementation does not:

• Implement the SO_LINGER option for AF_UNIX sockets.

• Return the errno value [ENOSR].

The following are HP extensions to the XPG4 speciﬁcation:

• The errno value [ECONNRESET] can be returned when the transport provider process

is unavailable.

• The SO_REUSEPORT option is supported.

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