for a socket file , what does "file->f_op->poll()" do ?

horseriver horserivers at
Fri Jan 11 03:14:47 EST 2013


  for a socket file point , what will this function do ?

  file->f_op->poll();       ///poll is declared  in the file-operations struct .

  but I do not find this function's definition .

  Is there some advice?


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