Yeah, the lack of support for TTYs can be annoying when writing a terminal application (a workaround for some cases is to use pipes), but it hardly qualifies as

Yeah, the lack of support for TTYs can be annoying when writing a terminal application (a workaround for some cases is to use pipes), but it hardly qualifies as a significant problem for writing network applications. Here's a more interesting bug in OSX: kqueue will sometimes return the wrong number for the listen backlog for a socket under high load.