deinitLog

pub fn deinitLog(s: *SafeAllocator, log: bool) usize {
    var leaks: usize = 0;
    const thread_count = @atomicRmw(usize, &n_threads, .Or, 0, .monotonic);
    for (s.threads[0..@max(1, thread_count)]) |*t| {
        assert(t.mutex == .unlocked); // use of allocator during `deinit`

        var maybe_allocs = t.allocs_first;
        var n_entries = t.allocs_next;
        while (maybe_allocs) |allocs| {
            for (allocs.entries(s)[0..n_entries]) |*ent| {
                switch (ent.kind) {
                    .free => {
                        @branchHint(.likely);
                    },
                    .bucket => leaks += s.deinitLeakedBucket(ent.toBucket(), log),
                    .large_alloc => {
                        leaks += 1;
                        s.deinitLargeAlloc(ent.toLargeAlloc(), log);
                    },
                }
            }
            maybe_allocs = allocs.next;
            n_entries = s.allocs_entry_count;
            s.backing.rawFree(@ptrCast(allocs.usizes(s)), .of(usize), 0);
        }
    }
    return leaks;
}