[EMAIL PROTECTED] wrote:
>
> Hi,
>
> I understand from the FAQ that the standard RTLinux is not burdened
> with the overhead of supporting priority inheritance.
> http://www.rtlinux.org/rtlinux.new/documents/faq.html#Q10
>
> The RTLinux mailing list seems to indicate that the RTAI variant does
> support priority inheritance (URL below may be split across lines).
> http://www.rtlinux.org/rtlinux.new/mailing_list/rtl.w5archive/9909/msg00041.html
>
> If you have experience with current RTLinux priority inheritance
> implementations and other scheduling matters, you may be able to
> provide insight addressing the following question...
> http://www.hotdispatch.com/view-task-provider?ID=1835181&aff=32819422
Support for priority inheritance is an officially sanctioned mode for
POSIX mutexes. This is an important mechanism that can save a system
from complete lockup. I agree that one should not design a system to
explicitly rely on priority inheritance for its correct operation, but
if you have a complex system which you cannot completely analyze and
test 100%, this may be the one thing that saves your system from
entering a fatal state.
Regards, Stuart
Please, no more MARS lander stories...
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