64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
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/* Copyright 2017 The OpenXLA Authors.
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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 XLA_CLIENT_GLOBAL_DATA_H_
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#define XLA_CLIENT_GLOBAL_DATA_H_
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#include <memory>
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#include <vector>
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#include "absl/types/span.h"
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#include "xla/service_interface.h"
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#include "xla/xla.pb.h"
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#include "xla/xla_data.pb.h"
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namespace xla {
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// A GlobalData object represents a globally-accessible allocation of
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// data in the associated XLA service.
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class GlobalData {
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public:
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// Gives ownership of the global data handle to this object.
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GlobalData(ServiceInterface* parent, GlobalDataHandle handle);
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// Unregisters the wrapped handle, which causes the service to
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// deallocate the associated data.
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~GlobalData();
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const GlobalDataHandle& handle() const { return handle_; }
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// Releases a set of GlobalData handles. A single RPC will be issued
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// per unique ServiceInterface of the given GlobalData objects.
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static void Release(std::vector<std::unique_ptr<GlobalData>> instances);
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private:
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// Detaches the global data handle from the object, such that the destructor
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// will not try to release it.
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GlobalDataHandle Release() {
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parent_ = nullptr;
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return handle_;
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}
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GlobalDataHandle handle_; // Handle being wrapped.
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ServiceInterface* parent_; // Service used to unregister handle_.
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GlobalData(const GlobalData&) = delete;
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GlobalData& operator=(const GlobalData&) = delete;
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};
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} // namespace xla
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#endif // XLA_CLIENT_GLOBAL_DATA_H_
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