Method ref_mutex

tensorflow/core/framework/op_kernel.h:1743–1747

}

inline mutex* OpMutableInputList::ref_mutex(int i) {
  DCHECK_GE(i, 0);
  DCHECK_LT(i, stop_ - start_);
  return ctx_->input_ref_mutex(start_ + i);
}

inline Tensor OpMutableInputList::at(int i, bool lock_held) {
  DCHECK_GE(i, 0);