mirror of https://github.com/grpc/grpc.git
Bogdan Drutu
9 years ago
commit
a7eefe1a6e
12 changed files with 0 additions and 187 deletions
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include <grpc++/impl/sync.h> |
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#include <grpc++/impl/thd.h> |
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#include "src/cpp/server/fixed_size_thread_pool.h" |
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namespace grpc { |
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void FixedSizeThreadPool::ThreadFunc() { |
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for (;;) { |
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// Wait until work is available or we are shutting down.
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grpc::unique_lock<grpc::mutex> lock(mu_); |
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if (!shutdown_ && callbacks_.empty()) { |
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cv_.wait(lock); |
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} |
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// Drain callbacks before considering shutdown to ensure all work
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// gets completed.
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if (!callbacks_.empty()) { |
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auto cb = callbacks_.front(); |
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callbacks_.pop(); |
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lock.unlock(); |
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cb(); |
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} else if (shutdown_) { |
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return; |
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} |
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} |
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} |
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FixedSizeThreadPool::FixedSizeThreadPool(int num_threads) : shutdown_(false) { |
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for (int i = 0; i < num_threads; i++) { |
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threads_.push_back( |
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new grpc::thread(&FixedSizeThreadPool::ThreadFunc, this)); |
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} |
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} |
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FixedSizeThreadPool::~FixedSizeThreadPool() { |
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{ |
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grpc::lock_guard<grpc::mutex> lock(mu_); |
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shutdown_ = true; |
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cv_.notify_all(); |
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} |
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for (auto t = threads_.begin(); t != threads_.end(); t++) { |
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(*t)->join(); |
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delete *t; |
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} |
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} |
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void FixedSizeThreadPool::Add(const std::function<void()>& callback) { |
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grpc::lock_guard<grpc::mutex> lock(mu_); |
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callbacks_.push(callback); |
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cv_.notify_one(); |
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} |
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} // namespace grpc
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@ -1,67 +0,0 @@ |
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/*
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
|
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#ifndef GRPC_INTERNAL_CPP_FIXED_SIZE_THREAD_POOL_H |
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#define GRPC_INTERNAL_CPP_FIXED_SIZE_THREAD_POOL_H |
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#include <queue> |
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#include <vector> |
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#include <grpc++/impl/sync.h> |
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#include <grpc++/impl/thd.h> |
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#include <grpc++/support/config.h> |
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#include "src/cpp/server/thread_pool_interface.h" |
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namespace grpc { |
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class FixedSizeThreadPool GRPC_FINAL : public ThreadPoolInterface { |
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public: |
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explicit FixedSizeThreadPool(int num_threads); |
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~FixedSizeThreadPool(); |
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void Add(const std::function<void()>& callback) GRPC_OVERRIDE; |
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private: |
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grpc::mutex mu_; |
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grpc::condition_variable cv_; |
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bool shutdown_; |
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std::queue<std::function<void()>> callbacks_; |
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std::vector<grpc::thread*> threads_; |
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void ThreadFunc(); |
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}; |
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} // namespace grpc
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#endif // GRPC_INTERNAL_CPP_FIXED_SIZE_THREAD_POOL_H
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