> Signal handling in POSIX breaks multithreading in practice because it is so crazy hard to get right In my experience, it's pretty easy to write async-signal-

> Signal handling in POSIX breaks multithreading in practice because it is so crazy hard to get right In my experience, it's pretty easy to write async-signal-safe code --- which is almost always also thread-safe --- if you follow a few simple rules. I don't understand why people have so much difficulty writing correct signal handlers.