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namespace;
include rt;
// the buddy allocator: 20000 small blocks, freed, merge back into one big one
let keep[20000];
fn main() {
let i = 0, p;
while (i < 20000) { keep[i] = rt.new(2); i++; } // 20000 8-word blocks
rt.put_n(rt.largest_free()); rt.put_c(' ');
i = 0; while (i < 20000) { rt.free(keep[i]); keep[i] = 0; i++; }
rt.scrub(); // stale stack words would keep the quarantined blocks
rt.gc();
rt.put_n(rt.largest_free()); rt.put_c(' ');
p = rt.new(200000); // only possible if the small blocks merged back
rt.put_n(rt.osize(p) >= 200000); rt.put_c(' ');
rt.free(d*p);
rt.put_n(rt.live_objects()); rt.put_c(10);
return 0;
}
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