Method RegisterAtFork

cpp/src/arrow/util/atfork_internal.cc:134–140

  }

  void RegisterAtFork(std::weak_ptr<AtForkHandler> weak_handler) {
    std::lock_guard<std::mutex> lock(mutex_);
    // This is O(n) for each at-fork registration. We assume that n remains
    // typically low and calls to this function are not performance-critical.
    MaintainHandlersUnlocked();
    handlers_.push_back(std::move(weak_handler));
  }

  std::mutex mutex_;
  std::vector<std::weak_ptr<AtForkHandler>> handlers_;