exceptional condition, and poll (2) and epoll_wait (2) mark the file as having ... error condition for poll (2) and epoll_wait (2).) /proc/mounts Before Linux 2.4.19, this fileexceptional condition, and poll (2) and epoll_wait (2) mark the file as having ... error condition for poll (2) and epoll_wait (2).) /proc/mounts Before Linux 2.4.19, this file