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Thread-safe resource management patterns

nodejs/node
Based on 5 comments
Other

Ensure thread-safe access to shared resources while following proper resource management patterns. When implementing concurrent operations: 1. Prefer worker threads over process spawning for parallel tasks

Concurrency Other

Reviewer Prompt

Ensure thread-safe access to shared resources while following proper resource management patterns. When implementing concurrent operations:

  1. Prefer worker threads over process spawning for parallel tasks
  2. Use instance-based implementations instead of static instances for thread-safe access
  3. Implement proper resource management using smart pointers and RAII patterns
  4. Carefully manage object ownership across thread boundaries

Example of proper thread-safe resource management:

// Instead of static instance
class NetworkResourceManager {
 private:
  std::mutex mutex_;
  std::unordered_map<std::string, std::shared_ptr<Resource>> resources_;
 
 public:
  void Put(const std::string& url, std::unique_ptr<Resource> data) {
    std::lock_guard<std::mutex> lock(mutex_);
    resources_[url] = std::move(data);
  }
  
  // For parallel processing
  void ProcessResource(const std::string& url) {
    auto worker = std::make_unique<WorkerThread>([this, url]() {
      // Thread-safe resource access
      std::lock_guard<std::mutex> lock(mutex_);
      if (auto it = resources_.find(url); it != resources_.end()) {
        it->second->process();
      }
    });
    worker->start();
  }
};

This pattern ensures:

  • Thread-safe access to shared resources
  • Proper resource cleanup through RAII
  • Efficient parallel processing using worker threads
  • Clear ownership semantics using smart pointers
5
Comments Analyzed
Other
Primary Language
Concurrency
Category

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