forked from huawei/mindspore2022
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
/**
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* Copyright 2019 Huawei Technologies Co., Ltd
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#include "dataset/util/wait_post.h"
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#include "dataset/util/task_manager.h"
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namespace mindspore {
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namespace dataset {
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WaitPost::WaitPost() : value_(0) {}
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Status WaitPost::Wait() {
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std::unique_lock<std::mutex> lck(mutex_);
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return (wait_cond_.Wait(&lck, [this]() { return value_ != 0; }));
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}
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void WaitPost::Set() {
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std::unique_lock<std::mutex> lck(mutex_);
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value_ = 1;
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wait_cond_.NotifyAll();
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}
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void WaitPost::Clear() {
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std::unique_lock<std::mutex> lck(mutex_);
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value_ = 0;
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}
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void WaitPost::Register(TaskGroup *vg) { (void)wait_cond_.Register(vg->GetIntrpService()); }
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void WaitPost::ResetIntrpState() { wait_cond_.ResetIntrpState(); }
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Status WaitPost::Deregister() { return wait_cond_.Deregister(); }
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} // namespace dataset
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} // namespace mindspore
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