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#ifndef TENSORFLOW_STREAM_EXECUTOR_CUDA_CUDA_EVENT_H_
#define TENSORFLOW_STREAM_EXECUTOR_CUDA_CUDA_EVENT_H_
#include "tensorflow/stream_executor/cuda/cuda_driver.h"
#include "tensorflow/stream_executor/cuda/cuda_stream.h"
#include "tensorflow/stream_executor/event.h"
#include "tensorflow/stream_executor/lib/status.h"
namespace perftools {
namespace gputools {
namespace cuda {
// CUDAEvent wraps a CUevent in the platform-independent EventInterface
// interface.
class CUDAEvent : public internal::EventInterface {
public:
explicit CUDAEvent(CUDAExecutor* parent);
~CUDAEvent() override;
// Populates the CUDA-platform-specific elements of this object.
port::Status Init();
// Deallocates any platform-specific elements of this object. This is broken
// out (not part of the destructor) to allow for error reporting.
port::Status Destroy();
// Inserts the event at the current position into the specified stream.
port::Status Record(CUDAStream* stream);
// Polls the CUDA platform for the event's current status.
Event::Status PollForStatus();
// The underyling CUDA event element.
const CUevent& cuda_event();
private:
// The Executor used to which this object and CUevent are bound.
CUDAExecutor* parent_;
// The underlying CUDA event element.
CUevent cuda_event_;
};
} // namespace cuda
} // namespace gputools
} // namespace perftools
#endif // TENSORFLOW_STREAM_EXECUTOR_CUDA_CUDA_EVENT_H_
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