On Thu, Apr 16, 2009 at 02:33:56PM -0400, devin kelly wrote:
> So, just to help me understand, let's say that running as root wasn't a
> problem. Like, if you didn't have to be root to open a raw socket.
>
> Would that mean that the open_usrp2_socket() function would just look like
> this
>
> usrp2::open_usrp2_socket() {
>
> int fd = socket(PF_PACKET, SOCK_RAW, htons(0xBEEF);
> return fd;
> }
>
> and you wouldn't need the helper program, usrp2_socket_opener.cc?
That's right.
> But, you would still need the read_fd(...) and write_fd(...) functions right?
No, they're only used to make the fd transfer between the helper
program and the app happen.
> Thanks again for the help.
You're welcome.
Eric
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