Force ThreadSanitizer to crash after finding a problem

I'm running ThreadSanitizer with -02 and g compiler flags and without gdb. It detects the race condition and prints the stacktraces but it continues running. I was fortunate to be monitoring.

Is there a way to force ThreadSanitizer to crash when it detects a problem?

You can use the halt_on_error option:

$ g++ -o foo foo.cpp -fsanitize=thread
$ TSAN_OPTIONS=halt_on_error=1 ./foo

If you'd rather have this turned on by default. Add a __tsan_default_options function to the program:

#ifdef __SANITIZE_THREAD__
extern "C" const char* __tsan_default_options() {
    return "halt_on_error=1";
}
#endif