chromium/third_party/mediapipe/src/mediapipe/framework/formats/tensor_ahwb_usage.h

#ifndef MEDIAPIPE_FRAMEWORK_FORMATS_TENSOR_AHWB_USAGE_H_
#define MEDIAPIPE_FRAMEWORK_FORMATS_TENSOR_AHWB_USAGE_H_

#include <functional>
#include <list>
#include <vector>

#include "absl/functional/any_invocable.h"

namespace mediapipe {

// Holds AHWB on-complete function and release callbacks. This is used
// to manage resources and perform synchronization when using AHWB with of
// asynchronous inference operations (e.g. with DarwiNN interpreter).
struct TensorAhwbUsage { … };

// Blocks until all usages are force completed and erases them from the list.
void CompleteAndEraseUsages(std::list<TensorAhwbUsage>& ahwb_usages);

// Removes already completed usages from the list.
void EraseCompletedUsages(std::list<TensorAhwbUsage>& ahwb_usages);

// Returns true if the usages are incomplete.
bool HasIncompleteUsages(const std::list<TensorAhwbUsage>& ahwb_usages);

}  // namespace mediapipe

#endif  // MEDIAPIPE_FRAMEWORK_FORMATS_TENSOR_AHWB_USAGE_H_