4 ms·Just one more reason why commons are evil and have no place in a well-formed program.by 95014_refugee 7y agoJust one more reason why commons are evil and have no place in a well-formed program.saagarjha 7y agoIf you're talking about global variables, then they're a necessary evil in most programs.nitrogen 7y agoFor one thing you can't pass parameters into signal handlers, so the only way to set a flag for your main app is a global variable.