wehub-resource-sync
48 lines
1.9 KiB
C++
48 lines
1.9 KiB
C++
/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_C_EAGER_DLPACK_H_
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#define TENSORFLOW_C_EAGER_DLPACK_H_
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#include "tensorflow/c/eager/c_api.h"
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namespace tensorflow {
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// PyCapsule name for DLPack Tensor
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const char* const kDlTensorCapsuleName = "dltensor";
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// Returns the DLDevice* for the given eager tensor handle.
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//
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// The caller takes ownership of the returned pointer and is responsible for
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// deleting it.
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TF_CAPI_EXPORT extern void* TFE_GetDLDevice(TFE_TensorHandle* h,
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TF_Status* status);
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// Converts eager tensor handle to DLPack (DLManagedTensor*), and return the
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// void* for further PyCapsule construction.
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TF_CAPI_EXPORT extern void* TFE_HandleToDLPack(TFE_TensorHandle* h,
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TF_Status* status);
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// Converts DLPack (DLManagedTensor*) to eager tensor handle.
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TF_CAPI_EXPORT extern TFE_TensorHandle* TFE_HandleFromDLPack(void* dlm,
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TF_Status* status,
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TFE_Context* ctx);
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// Calls the destructor of DLManagedTensor, used in the destructor of PyCapsule.
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TF_CAPI_EXPORT extern void TFE_CallDLManagedTensorDeleter(void* dlm_ptr);
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} // namespace tensorflow
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#endif // TENSORFLOW_C_EAGER_DLPACK_H_
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