On Fri, May 23, 2014 at 06:49:24AM +0400, Dmitry V. Levin wrote: > On Thu, May 22, 2014 at 08:45:44PM +0530, Zubin Mithra wrote: > > I've restructured it a bit more, added in dup* calls, please see commit at > > [1] and sample output at [2]. > > > > [1] > > https://github.com/eQu1NoX/strace/commit/3d471ba8fccc531b8bc33b6467644b2d17ba8cc0 > > [2] https://gist.github.com/eQu1NoX/ccd6e2f9d45e2e0e82f9 > > > > > 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. > > recvmsg and recvmmsg, decoded using printcmsghdr (see SCM_RIGHTS). > I suppose it should just use printfd.
I've pushed the fix with a test for it. -- ldv
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