System calls that return file descriptors

Zubin Mithra zubin.mithra at
Thu May 22 15:15:44 UTC 2014

I've restructured it a bit more, added in dup* calls, please see commit at
[1] and sample output at [2].


> There is a receive call, that allows to forward open file descriptors
> between
> processes. I do not known, if you call those received fds "socket fds",
> since
> they could be any (unresolvable) fd -- unless you poke into /proc for more
> information.

Could you please give more information on which syscall you are referring
to? I couldn't find a syscall that matched your description.

-- zm
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the Strace-devel mailing list