star wrote: > hello,Jan > I'm new to rtnet and trying to test the examples using xenomai2.5.3 > and rtnet0.9.12. But I fail to run the source file > /examples/xenomai/native/frag-ip.c with eclipse, I get a message > :rt_dev_socket() = -97 as it run to the fellowing segment: > /* create rt-socket */ > sock = rt_dev_socket(AF_INET,SOCK_DGRAM,0); > if (sock < 0) { > printf(" rt_dev_socket() = %d!\n", sock); > return sock; > } > it seems that i can not create a rt_socket and the AF_INET address family is > not supported .All the tools such as rtping and rtcfg run well,so i think i > have installed rtnet successfully,but what??s worry? >
Check if the rt_udp module is loaded and the protocol is available (/proc/xenomai/rtdm/protocol_devices). If you were using the rtnet start script, this does not happen automatically in 0.9.12 (fixed in git). Jan
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