Data race condition

The value of the shared data will be determined by the interleaving of thread execution. Thread shared data is accessed without holding an appropriate lock, possibly causing a race condition
/src/mongo/util/exit.cpp:96: MISSING_LOCK 149314 Accessing "mongo::<unnamed>::shutdownExitCode" without holding lock "mongo::<unnamed>::shutdownMutex". Elsewhere, "mongo::<unnamed>::shutdownExitCode" is written to with "mongo::<unnamed>::shutdownMutex" held 2 out of 2 times.