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e1027e9e65
* #1240 Update license declaration of each files Signed-off-by: jinhai <hai.jin@zilliz.com> * #1240 Update CHANGELOG Signed-off-by: jinhai <hai.jin@zilliz.com>
66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. 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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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#pragma once
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#include <atomic>
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#include <condition_variable>
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#include <deque>
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#include <list>
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#include <memory>
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#include <mutex>
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#include <queue>
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#include <string>
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#include <thread>
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#include <unordered_map>
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#include <vector>
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namespace milvus {
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namespace scheduler {
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class BuildMgr {
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public:
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explicit BuildMgr(int64_t concurrent_limit) : available_(concurrent_limit) {
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}
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public:
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void
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Put() {
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std::lock_guard<std::mutex> lock(mutex_);
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++available_;
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}
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bool
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Take() {
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std::lock_guard<std::mutex> lock(mutex_);
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if (available_ < 1) {
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return false;
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} else {
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--available_;
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return true;
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}
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}
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int64_t
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NumOfAvailable() {
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return available_;
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}
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private:
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std::int64_t available_;
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std::mutex mutex_;
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};
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using BuildMgrPtr = std::shared_ptr<BuildMgr>;
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} // namespace scheduler
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} // namespace milvus
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