rt-tests: cyclictest: Don't allow OPT_SYSTEM with OPT_POSIX_TIMERS
OPT_SYSTEM means use sys_nanosleep and sys_setitimer if you try to combine it with OPT_POSIX_TIMERS, it breaks. cyclictest becomes unkillable with ctrl-C and only the first thread is updated. Fix this by issuing a warning if the user tries to combine the two options and then use clock_nanosleep. Reported-by: Tom Rix <trix@redhat.com> Signed-off-by: John Kacur <jkacur@redhat.com>
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@ -1353,6 +1353,13 @@ static void process_options (int argc, char *argv[], int max_cpus)
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}
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}
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if ((use_system == MODE_SYS_OFFSET) && (use_nanosleep == MODE_CYCLIC)) {
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warn("The system option requires clock_nanosleep\n");
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warn("and is not compatible with posix_timers\n");
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warn("Using clock_nanosleep\n");
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use_nanosleep = MODE_CLOCK_NANOSLEEP;
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}
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/* if smp wasn't requested, test for numa automatically */
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if (!smp) {
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#ifdef NUMA
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