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107 lines
2.9 KiB
107 lines
2.9 KiB
/**
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* Copyright 2019-2020 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 "hybrid/executor/node_done_manager.h"
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#include <chrono>
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#include "framework/common/debug/ge_log.h"
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namespace ge {
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namespace hybrid {
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namespace {
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constexpr int kDefaultWaitTimeoutInSec = 600;
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}
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bool NodeDoneManager::Cond::Await() {
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std::unique_lock<std::mutex> lk(cond_mu_);
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if (!cv_.wait_for(lk,
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std::chrono::seconds(kDefaultWaitTimeoutInSec),
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[&]() { return is_released_ || is_cancelled_; })) {
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GELOGE(INTERNAL_ERROR, "Wait timed out.");
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return false;
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}
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return is_released_;
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}
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void NodeDoneManager::Cond::Release() {
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std::unique_lock<std::mutex> lk(cond_mu_);
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is_released_ = true;
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cv_.notify_all();
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}
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void NodeDoneManager::Cond::Cancel() {
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std::unique_lock<std::mutex> lk(cond_mu_);
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is_cancelled_ = true;
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cv_.notify_all();
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}
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bool NodeDoneManager::Cond::IsRelease() {
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std::unique_lock<std::mutex> lk(cond_mu_);
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return is_released_;
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}
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NodeDoneManager::Cond *NodeDoneManager::GetSubject(const NodePtr &node) {
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std::lock_guard<std::mutex> lk(mu_);
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if (destroyed_) {
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GELOGD("Already destroyed.");
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return nullptr;
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}
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auto it = subjects_.find(node);
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if (it == subjects_.end()) {
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return &subjects_[node];
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}
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return &it->second;
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}
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void NodeDoneManager::Destroy() {
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GELOGD("Start to reset NodeDoneManager.");
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std::lock_guard<std::mutex> lk(mu_);
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GELOGD("Cond size = %zu.", subjects_.size());
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for (auto &sub : subjects_) {
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if (!sub.second.IsRelease()) {
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sub.second.Cancel();
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GELOGD("[%s] Node canceled.", sub.first->GetName().c_str());
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}
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}
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subjects_.clear();
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destroyed_ = true;
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GELOGD("Done resetting NodeDoneManager successfully.");
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}
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void NodeDoneManager::NodeDone(const NodePtr &node) {
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auto sub = GetSubject(node);
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if (sub != nullptr) {
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sub->Release();
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GELOGD("[%s] Node released.", node->GetName().c_str());
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}
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}
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bool NodeDoneManager::Await(const NodePtr &node) {
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auto sub = GetSubject(node);
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if (sub == nullptr) {
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return false;
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}
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GELOGD("[%s] Await start. is_released = %s", node->GetName().c_str(), sub->IsRelease() ? "true" : "false");
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bool ret = sub->Await();
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GELOGD("[%s] Await ended. is_released = %s", node->GetName().c_str(), sub->IsRelease() ? "true" : "false");
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return ret;
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}
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} // namespace hybrid
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} // namespace ge
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