Function IsDebugEnabled

cpp/src/arrow/memory_pool.cc:184–213

}

bool IsDebugEnabled() {
  static const bool is_enabled = []() {
    auto maybe_env_value = internal::GetEnvVar(kDebugMemoryEnvVar);
    if (!maybe_env_value.ok()) {
      return false;
    }
    auto env_value = *std::move(maybe_env_value);
    if (env_value.empty() || env_value == "none") {
      return false;
    }
    auto debug_state = DebugState::Instance();
    if (env_value == "abort") {
      debug_state->SetHandler(DebugAbort);
      return true;
    }
    if (env_value == "trap") {
      debug_state->SetHandler(DebugTrap);
      return true;
    }
    if (env_value == "warn") {
      debug_state->SetHandler(DebugWarn);
      return true;
    }
    ARROW_LOG(WARNING) << "Invalid value for " << kDebugMemoryEnvVar << ": '" << env_value
                       << "'. Valid values are 'abort', 'trap', 'warn', 'none'.";
    return false;
  }();

  return is_enabled;
}

// An allocator wrapper that adds a suffix at the end of allocation to check
// for writes beyond the allocated area.