I once saw someone give a talk on how hard “tail -f” is and how it is/was broken on several OSes. Not sure if doing that is a lot of fun. (I can’t find that talk anymore, instead YouTube is full of “tutorials” on how to use tail …)

Maybe this should be up to the user. If the source code was organized in a way that makes it easy for the user to provide her own “is_daemon_running(char *name)” function, then maybe everybody™ would be happy? :)