/** Attempt to write the process id to a given file
* @param filename The PID file to attempt to write to
+ * @param exitonfail If true and the PID fail cannot be written log to stdout and exit, otherwise only log on failure
* @return This function may bail if the file cannot be written
*/
- void WritePID(const std::string &filename);
+ void WritePID(const std::string& filename, bool exitonfail = true);
/** This constructor initialises all the subsystems and reads the config file.
* @param argc The argument count passed to main()