On 02/06/2014 12:09 PM, Philippe Gerum wrote: > On 02/06/2014 11:58 AM, Leopold Palomo-Avellaneda wrote: >> Hi all, >> >> we are trying to develop an application using xddp protocol. We use as base, >> the xddp-label exaample that compiles and run perfectly in our system >> (Xenomai-2.6.3 with Linux 3.8.13). >> >> Our app is different from the xddp example because we have encapsulated the >> realtime thread in a task, that it's in a library. We can run the task,called >> from another part, and it rus. >> >> Our task create two sockets, one to receive from the NRT and another to send. >> Yes, I know that we could do it in just one socket, but by design we must do >> it in the way. >> >> Our main problem is when the RT task try to open the socket, the ipc >> device isn't created. The error that appears is:"socket: Address family not >> supported by protocol". I attach the real-time task code below. >> >> The xddp works, because the examples works. We have several /dev/rtpX and >> when >> we run the example the /proc/xenomai/registry/rtipc/xddp/xddp-label is >> created. >> >> Someone could give us some idea about what are we doing wrong? >> > > Your application is likely not wrapping POSIX symbols properly, calling > regular socket() instead of the Xenomai implementation. Check > examples/rtdm/profiles/ipc/Makefile for LDLIBS. You must have --wrap or > -Wl,@/some/path/posix.wrappers appearing in your link flags, for the > wrapping to take place properly.
See also: https://www.xenomai.org/index.php/Porting_POSIX_applications_to_Xenomai#Compilation_flags -- Gilles. _______________________________________________ Xenomai mailing list Xenomai@xenomai.org http://www.xenomai.org/mailman/listinfo/xenomai
