source: src/tests/preempt_longrun/stack.c@ eba74ba

#include <kernel>
#include <math>
#include <thread>
#include <time>

#ifndef PREEMPTION_RATE
#error PREEMPTION_RATE not defined in makefile
#endif

Duration default_preemption() {
        return PREEMPTION_RATE;
}

thread worker_t {};

void main(worker_t & this) {
        volatile long long p = 5_021_609ul;
        volatile long long a = 326_417ul;
        volatile long long n = 1l;
        for (volatile long long i = 0; i < p; i++) {
                n *= a;
                n %= p;
        }

        if( n != a ) {
                abort();
        }
}

extern "C" {
static worker_t * workers;
}

int main(int argc, char* argv[]) {
        processor p;
        {
                worker_t w[7];
                workers = w;
        }
}