Method CreateDefault

cpp/src/arrow/memory_pool.cc:579–599

#endif

std::unique_ptr<MemoryPool> MemoryPool::CreateDefault() {
  auto backend = DefaultBackend();
  switch (backend) {
    case MemoryPoolBackend::System:
      return IsDebugEnabled() ? std::unique_ptr<MemoryPool>(new SystemDebugMemoryPool)
                              : std::unique_ptr<MemoryPool>(new SystemMemoryPool);
#ifdef ARROW_JEMALLOC
    case MemoryPoolBackend::Jemalloc:
      return IsDebugEnabled() ? std::unique_ptr<MemoryPool>(new JemallocDebugMemoryPool)
                              : std::unique_ptr<MemoryPool>(new JemallocMemoryPool);
#endif
#ifdef ARROW_MIMALLOC
    case MemoryPoolBackend::Mimalloc:
      return IsDebugEnabled() ? std::unique_ptr<MemoryPool>(new MimallocDebugMemoryPool)
                              : std::unique_ptr<MemoryPool>(new MimallocMemoryPool);
#endif
    default:
      ARROW_LOG(FATAL) << "Internal error: cannot create default memory pool";
      return nullptr;
  }
}

static struct GlobalState {
  ~GlobalState() { finalizing_.store(true, std::memory_order_relaxed); }