27 int uv__epoll_init(uv_loop_t* loop) {  in uv__epoll_init()  argument
41   loop->backend_fd = fd;  in uv__epoll_init()
49 void uv__platform_invalidate_fd(uv_loop_t* loop, int fd) {  in uv__platform_invalidate_fd()  argument
55   assert(loop->watchers != NULL);  in uv__platform_invalidate_fd()
58   events = (struct epoll_event*) loop->watchers[loop->nwatchers];  in uv__platform_invalidate_fd()
59   nfds = (uintptr_t) loop->watchers[loop->nwatchers + 1];  in uv__platform_invalidate_fd()
72   if (loop->backend_fd >= 0) {  in uv__platform_invalidate_fd()
77     epoll_ctl(loop->backend_fd, EPOLL_CTL_DEL, fd, &dummy);  in uv__platform_invalidate_fd()
82 int uv__io_check_fd(uv_loop_t* loop, int fd) {  in uv__io_check_fd()  argument
91   if (epoll_ctl(loop->backend_fd, EPOLL_CTL_ADD, fd, &e))  in uv__io_check_fd()
96     if (epoll_ctl(loop->backend_fd, EPOLL_CTL_DEL, fd, &e))  in uv__io_check_fd()
103 void uv__io_poll(uv_loop_t* loop, int timeout) {  in uv__io_poll()  argument
136   if (loop->nfds == 0) {  in uv__io_poll()
137     assert(QUEUE_EMPTY(&loop->watcher_queue));  in uv__io_poll()
143   while (!QUEUE_EMPTY(&loop->watcher_queue)) {  in uv__io_poll()
144     q = QUEUE_HEAD(&loop->watcher_queue);  in uv__io_poll()
151     assert(w->fd < (int) loop->nwatchers);  in uv__io_poll()
164     if (epoll_ctl(loop->backend_fd, op, w->fd, &e)) {  in uv__io_poll()
171       if (epoll_ctl(loop->backend_fd, EPOLL_CTL_MOD, w->fd, &e))  in uv__io_poll()
179   if (loop->flags & UV_LOOP_BLOCK_SIGPROF) {  in uv__io_poll()
186   base = loop->time;  in uv__io_poll()
190   if (uv__get_internal_fields(loop)->flags & UV_METRICS_IDLE_TIME) {  in uv__io_poll()
213       uv__metrics_set_provider_entry_time(loop);  in uv__io_poll()
226       nfds = epoll_pwait(loop->backend_fd,  in uv__io_poll()
236       nfds = epoll_wait(loop->backend_fd,  in uv__io_poll()
254     SAVE_ERRNO(uv__update_time(loop));  in uv__io_poll()
312       assert(loop->watchers != NULL);  in uv__io_poll()
313       loop->watchers[loop->nwatchers] = x.watchers;  in uv__io_poll()
314       loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds;  in uv__io_poll()
326       assert((unsigned) fd < loop->nwatchers);  in uv__io_poll()
328       w = loop->watchers[fd];  in uv__io_poll()
336         epoll_ctl(loop->backend_fd, EPOLL_CTL_DEL, fd, pe);  in uv__io_poll()
370         if (w == &loop->signal_io_watcher) {  in uv__io_poll()
373           uv__metrics_update_idle_time(loop);  in uv__io_poll()
374           w->cb(loop, w, pe->events);  in uv__io_poll()
387       uv__metrics_update_idle_time(loop);  in uv__io_poll()
388       loop->signal_io_watcher.cb(loop, &loop->signal_io_watcher, POLLIN);  in uv__io_poll()
391     loop->watchers[loop->nwatchers] = NULL;  in uv__io_poll()
392     loop->watchers[loop->nwatchers + 1] = NULL;  in uv__io_poll()
415     real_timeout -= (loop->time - base);  in uv__io_poll()