Socket callback functions

[Hamid Reza Badili]

Hi,

I need to use socket callback functions, I used setsockopt() function with
SOL_SOCKET and SO_RCVWAKEUP and callback function will be called. The
problem is I don't know how read data from socket when my callback function
is called: caller passes a pointer to a socket structure to it, not a socket
descriptor (as receive() or read() function expects). How can I read socket
using its pointer?

 Best Wishes,
  H. R. Badili