RegisterSignalHandler registers a handler function for a signal.

StartSignalHandler starts the signal handler go routine all signal handlers MUST be registered with RegisterSignalHandler BEFORE to calling this function.

WaitForExitSignal blocks until a signal handler indicates that the process should exit StartSignalHandler MUST be called BEFORE this function.

SignalHandler defines the function signature for a signal handler function sig is the signal that triggered the handler return true to exit signal handling (implies that the main process will exit).