31 lines
730 B
C++
31 lines
730 B
C++
#include <rt/sem.hpp>
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#include <rt/task.hpp>
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#include <rt/tick.hpp>
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#include <rt/trap.hpp>
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#include <rt/assert.h>
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static const int nloops = 5;
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static void sleep_periodic(uintptr_t period)
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{
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rt::task::drop_privilege();
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unsigned long last_wake_tick = 0;
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for (int i = 0; i < nloops; ++i)
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{
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rt::task::sleep_periodic(last_wake_tick, period);
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rt_assert(rt::tick::count() == last_wake_tick,
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"woke up at the wrong tick");
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}
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/* Only the second task to finish will call rt::trap. */
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static rt::sem trap_sem(1);
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if (!trap_sem.trywait())
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{
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rt::trap();
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}
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}
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RT_TASK_ARG(sleep_periodic, 5, RT_STACK_MIN, 2);
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RT_TASK_ARG(sleep_periodic, 10, RT_STACK_MIN, 1);
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