Method RemoveRefManually

src/butil/shared_object.h:49–54

Remove one ref, if the ref_count hit zero, delete this object. Same as butil::intrusive_ptr (obj, false).reset(NULL)

    // Remove one ref, if the ref_count hit zero, delete this object.
    // Same as butil::intrusive_ptr<T>(obj, false).reset(NULL)
    void RemoveRefManually() {
        if (_nref.fetch_sub(1, butil::memory_order_release) == 1) {
            butil::atomic_thread_fence(butil::memory_order_acquire);
            delete this;
        }
    }

protected:
    virtual ~SharedObject() { }