text: // Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
  //  This source code is licensed under both the GPLv2 (found in the
  //  COPYING file in the root directory) and Apache 2.0 License
  //  (found in the LICENSE.Apache file in the root directory).
  
  #include <atomic>
  
  #include "monitoring/thread_status_updater.h"
  #include "monitoring/thread_status_util.h"
  #include "rocksdb/env.h"
  
  namespace rocksdb
  {
  #ifndef NDEBUG
  // the delay for debugging purpose.
  static std::atomic<int> states_delay[ThreadStatus::NUM_STATE_TYPES];
  
  void ThreadStatusUtil::TEST_SetStateDelay(const ThreadStatus::StateType state,
  					  int micro)
  {
  	states_delay[state].store(micro, std::memory_order_relaxed);
  }
  
  void ThreadStatusUtil::TEST_StateDelay(const ThreadStatus::StateType state)
  {
  	auto delay = states_delay[state].load(std::memory_order_relaxed);
  	if (delay > 0) {
  		Env::Default()->SleepForMicroseconds(delay);
  	}
  }
  
  #endif // !NDEBUG
  
  } // namespace rocksdb
  