Hi Christian,
The original ipc module does not work in RTL2 as far as I know.
However, I recently posted a portable version of the newfifos package
found in RTAI (which also works on RTL V2), this provides a number of
IPC services including mailboxes and semaphore. From the README.FIFOS:
The semaphore services available are:
- rtf_sem_init(fd, init_val);
- rtf_sem_wait(fd);
- rtf_sem_trywait(fd);
- rtf_sem_timed_wait(fd, ms_delay);
- rtf_sem_post(fd);
- rtf_sem_destroy(fd);
I think my original posting was lost while the rtl list was down last
week, but the package can be found at http://www.realtimelinux.org/ if
you follow the links to CRAN it is in the subdirectory called software,
the file is called:
rtai_rtl_fifos-03.tgz
Regards, Stuart
Christian Kramer wrote:
>
> Hi!
>
> I would like to use semaphores in my realtime-thread, but the
> semaphore-functionality seems only to be given in RTL Version 1.
>
> Does the rt_ipc module work in RTL 2 (without stepping back to RTL 1),
> or is there another way to use semaphores?
>
> Thank you very much,
>
> Christian
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