YAPC::Europe 2012

Leon Timmermans will give a talk at YAPC::Europe 2012 described as

Some things seem easy but turn out to be hard; signals are one of those things. My shortest summary of signals would be «signals are like threads without locking».

In this talk, I'll explain the origin and development of signals, and how perl deals with them, and how you can (or sometimes can't) write signal safe programs.