source: CIVL/mods/dev.civl.com/examples/concurrency/localBlock.cvl@ cb4d4f4

int x;

void proc0() {
  x = 1;
}

void proc1() {
  $local_start();
  x = 2;
  $local_end();
}


int main() {
  $proc p = $spawn proc0();
  $proc q = $spawn proc1();
  
  $wait(p);$wait(q);
  $assert(x == 1);
}