Jan Kiszka wrote: > Teresa Noviello wrote: > >>Hi! >>I'm working with 989 svn version for the example >> >>examples/xenomai/posix/rtt-sender.c >> >>I'm trying to adapt the example to rtai-3.3. >> >>I have a problem compiling with these command lines: >> >>gcc - c -Wall -ggdb -o rtt-sender.o -I/usr/realtime/include >>-I/usr/src/rtnet/trunk/rtnet/stack/include rtt-sender.c >> >>gcc -o rtt-sender -L/usr/realtime/lib -llxrt -lrtdm -lrt >>rtt-sender.o-lpthread >> >>The program "rtt-sender" is successfully compiled so but the executable >>works until the instruction >> >>"mq_open": there it gives Segmentation Fault. >> >>Compiling with: >> >>gcc - c -Wall -ggdb -o rtt-sender.o -I/usr/realtime/include >>-I/usr/src/rtnet/trunk/rtnet/stack/include rtt-sender.c >> >>gcc -o rtt-sender -L/usr/realtime/lib -llxrt -lrtdm -lrt -lmqueue >>rtt-sender.o -lpthread >> >>I have >> >>"ld: cannot find -lmqueue >>collect2: ld returned 1 exit status >>make: *** [sender] Error 1" >> >>Why? I have not got the mqueue dynamic library, is it so? >>How can i install it? Can you link a tutorial for this? I've searched >>for it >>all day without results! >>Do i have to patch the kernel to have mqueue compatibility?? >> > > > The rtt-sender makes use of Xenomai's POSIX-conforming real-time mqueues > (=>POSIX skin). So you have to look for something comparable on RTAI, > either some wrapper (there used to exists something, but I don't know > its current status) or RTAI-specific message queuing functions. >
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