Well, as you can't catch -9 (SIGKILL), any task in your program that shouldn't be interrupted... will be interrupted. That's generally a good rule, but programs

Well, as you can't catch -9 (SIGKILL), any task in your program that shouldn't be interrupted... will be interrupted. That's generally a good rule, but programs aren't usually SIGKILLED. It is SIGTERM the one you're supposed to take into account.