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On Mar 10 12:10, Marco Atzeri wrote: > I am trying to put a small interface info tool > to debug some hangs reported on openmpi. > > The aim is to produce something like > > {9F4F7FD2-5E44-4796-ABE0-0785CF76C11E} AF_INET6 (23) > flags: up running multicast > address: <fe80::9953:b1f5:a643:4497%15> > Local Area Connection > {9F4F7FD2-5E44-4796-ABE0-0785CF76C11E} AF_INET (2) > flags: up broadcast running multicast > address: <172.21.188.188> > Local Area Connection > > I am using getifaddrs to obtain all the AF_INET and AF_INET6 > interface, however I can only obtain the friendly name of the > AF_INET using > ioctl(sock, SIOCGIFFRNDLYNAM > > On my pc I see 20 interface, 10 for each type, however > only 7 couples shares the same "ifa_name" the others > 3+3 shows different ones. Btw., don't use the friendly names to distinguish interfaces. Only the real, GUID-like interface name is a valid, unique identifier under Windows. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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