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Summary of New Socket Options
The new socket options for Windows Sockets 2 are summarized in the following
table. See getsockopt and setsockopt for detailed information on these options. The other new protocol-specific
socket options can be found in the Protocol-specific Annex (a separate document
included with the Win32 SDK).
Value
| Type
| Meaning
| Default
| Note
| SO_GROUP_ID
| GROUP
| The identifier of the group to which this socket belongs.
| NULL
| get only
| SO_GROUP
_PRIORITY
| int
| The relative priority for sockets that are part of a socket group.
| 0
|
| SO_MAX_MSG
_SIZE
| int
| Maximum size of a message for message-oriented socket types. Has no meaning
for stream-oriented sockets.
| Implementation dependent
| get only
| SO_PROTOCOL
_INFO
| struct WSAPROTOCOL_INFO
| Description of protocol info for protocol that is bound to this socket.
| protocol dependent
| get only
| PVD_CONFIG
| char FAR *
| An opaque data structure object containing configuration information of the
service provider.
| Implementation dependent
|
|
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