Function get_vcpu_num

thread/thread.cpp:2104–2106

    static std::atomic<uint32_t> _n_vcpu{0};
    uint32_t get_vcpu_num() {
        return _n_vcpu.load(std::memory_order_relaxed);
    }

    int vcpu_init(uint64_t flags) {
        uint64_t FLAGS = VCPU_ENABLE_ACTIVE_WORK_STEALING |