Messages in this thread | | | Date | Wed, 15 Aug 2012 10:54:15 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [RFC PATCH 0/5] net: socket bind to file descriptor introduced |
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On 08/15/2012 09:52 AM, Ben Pfaff wrote: > Stanislav Kinsbursky <skinsbursky@parallels.com> writes: > >> This system call is especially required for UNIX sockets, which has name >> lenght limitation. > > The worst of the name length limitations can be worked around by > opening the directory where the socket is to go as a file > descriptor, then using /proc/self/fd/<fd>/<basename> as the name > of the socket. This technique also works with "connect" and in > other contexts where a struct sockaddr is needed. At first > glance, it looks like your patches only help with "bind". >
The really hard part is what to do with things that are supposed to return a struct sockaddr. I also have some reservations about using a new system call to deal with what at least theoretically is only part of one socket domain.
-hpa
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