POSIX requires that when you claim _POSIX_CPUTIME and _POSIX_THREAD_CPUTIME, not only the clock_* calls but also timer_* calls must support the thread and process CPU time clocks. This patch provides that support, building on my recent additions to support these clocks in the POSIX clock_* interfaces. This patch will not work without those changes, as well as the patch fixing the timer lock-siglock deadlock problem.
The apparent pervasive changes to posix-timers.c are simply that some fields of struct k_itimer have changed name and moved into a union. This was appropriate since the data structures required for the existing real-time timer support and for the new thread/process CPU-time timers are quite different.
Possibly you could bury these name changes in defines. I suspect the code would be easier to read and that we really don't need to be reminded that it is a union on each reference.
-- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/
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