Last I heard, epoll() was, ironically, not useful with actual file descriptors, because file I/O isn't blocking on Linux [1]. I'm not sure if this problem has b

Last I heard, epoll() was, ironically, not useful with actual file descriptors, because file I/O isn't blocking on Linux [1]. I'm not sure if this problem has been remedied in recent years. [1] https://stackoverflow.com/questions/8057892/epoll-on-regular-files https://stackoverflow.com/questions/8057892/epoll-on-regular...