kvm/lib/userfaultfd_util.c

41 		struct pollfd pollfd[2];
45 		pollfd[0].fd = uffd;
46 		pollfd[0].events = POLLIN;
47 		pollfd[1].fd = pipefd;
48 		pollfd[1].events = POLLIN;
50 		r = poll(pollfd, 2, -1);
64 		if (pollfd[0].revents & POLLERR) {
69 		if (pollfd[1].revents & POLLIN) {
70 			r = read(pollfd[1].fd, &tmp_chr, 1);
76 		if (!(pollfd[0].revents & POLLIN))