EZY4095E

Operation not supported on socket (EOPNOTSUPP)
Explanation
The selected socket is not a stream socket. The following list
displays some of the possible function calls that might return this
error value:
accept
The s parameter is not of type SOCK_STREAM.
givesocket
The socket type is not SOCK_STREAM.
listen
The s parameter is not a socket descriptor that supports the
listen() call.

System action
The socket call abends.  TCPIP continues.

Operator response
None.

System programmer response
  Use the information provided in the table above as a guide to
the conditions under which this error can occur.  Apply this information
to your application, and correct the parameters of the appropriate
socket call.  For more information, see the z/OS Communications Server: IP Sockets Application
Programming Interface Guide and Reference.

Module
TCPERROR

Procedure name
tcperror 