Convenience aliases
Calls close() to close the current epoll file descriptor.
Calls epoll_create1() and memorises the returned file descriptor, which is -1 in case of an error.
Calls epoll_ctl() using the current epoll file descriptor.
Calls epoll_ctl() using the current epoll file descriptor to modify the registration of fd for events with fd as user data.
Calls epoll_ctl() using the current epoll file descriptor to modify the registration of fd for events with obj as user data.
Calls epoll_ctl() using the current epoll file descriptor to modify the registration of fd for events with obj as user data.
Calls epoll_wait() using the current epoll file descriptor.
Epoll utility struct, memorises the file descriptor obtained by create().