Function GetAtForkState

cpp/src/arrow/util/atfork_internal.cc:147–161

};

AtForkState* GetAtForkState() {
  static std::unique_ptr<AtForkState> state = []() {
    auto state = std::make_unique<AtForkState>();
#ifndef _WIN32
    int r = pthread_atfork(/*prepare=*/[] { GetAtForkState()->BeforeFork(); },
                           /*parent=*/[] { GetAtForkState()->AfterForkParent(); },
                           /*child=*/[] { GetAtForkState()->AfterForkChild(); });
    if (r != 0) {
      IOErrorFromErrno(r, "Error when calling pthread_atfork: ").Abort();
    }
#endif
    return state;
  }();
  return state.get();
}

};  // namespace