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72 lines
2.4 KiB
72 lines
2.4 KiB
7 years ago
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/* Copyright (c) 2016 PaddlePaddle 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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#include "paddle/fluid/framework/channel.h"
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#include "paddle/fluid/framework/op_registry.h"
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namespace pf = paddle::framework;
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static constexpr char kChannel[] = "Channel";
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namespace paddle {
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namespace operators {
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class ChannelCloseOp : public framework::OperatorBase {
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public:
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ChannelCloseOp(const std::string &type,
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const framework::VariableNameMap &inputs,
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const framework::VariableNameMap &outputs,
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const framework::AttributeMap &attrs)
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: framework::OperatorBase(type, inputs, outputs, attrs) {}
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private:
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void RunImpl(const framework::Scope &scope,
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const platform::Place &dev_place) const override {
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auto &inp = *scope.FindVar(Input(kChannel));
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// Get the mutable version of the channel variable and closes it.
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pf::ChannelHolder *ch = inp.GetMutable<framework::ChannelHolder>();
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ch->close();
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}
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};
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class ChannelCloseOpOpInferShape : public framework::InferShapeBase {
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public:
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void operator()(framework::InferShapeContext *context) const override {
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PADDLE_ENFORCE(context->HasInput("Channel"),
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"The input of ChannelClose op must be set");
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}
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};
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class ChannelCloseOpMaker : public framework::OpProtoAndCheckerMaker {
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public:
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ChannelCloseOpMaker(OpProto *proto, OpAttrChecker *op_checker)
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: OpProtoAndCheckerMaker(proto, op_checker) {
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AddInput(kChannel,
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"The Channel Variable that should be closed by"
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" the ChannelClose Op.");
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AddComment(R"DOC(
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Channel Close Operator.
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This operator closes an open channel.
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)DOC");
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}
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};
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} // namespace operators
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} // namespace paddle
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REGISTER_OPERATOR(channel_close, paddle::operators::ChannelCloseOp,
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paddle::framework::EmptyGradOpMaker,
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paddle::operators::ChannelCloseOpMaker);
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