Tries to deserialize a socket control message of a given level
and type
.
This will ask all known (to GType) subclasses of SocketControlMessage if they can understand this kind of message and if so deserialize it into a SocketControlMessage.
If there is no implementation for this kind of control message, null will be returned.
level |
a socket level |
type |
a socket control message type for the given |
data |
pointer to the message data |
size |
the size of the data in bytes |
the deserialized message or null |