Socket splicing


Splicing connects two sockets.
Moves mbufs between socket buffers in the kernel.
Configured using the SO_SPLICE socket option:

  sp.sp_fd = fd2;
  sp.sp_max = content_length;
  sp.sp_idle = timeout;
  setsockopt(fd1, SOL_SOCKET, SO_SPLICE, &sp, 
    sizeof(sp));