wait_for_single_fd   29 ext/-test-/wait_for_single_fd/wait_for_single_fd.c                                wait_for_single_fd, 3);
wait_for_single_fd  113 ext/io/wait/wait.c     if (wait_for_single_fd(fptr, RB_WAITFD_IN, &tv))
wait_for_single_fd  139 ext/io/wait/wait.c     if (wait_for_single_fd(fptr, RB_WAITFD_IN, tv)) {
wait_for_single_fd  163 ext/io/wait/wait.c     if (wait_for_single_fd(fptr, RB_WAITFD_OUT, tv)) {
wait_for_single_fd  237 ext/io/wait/wait.c     if (wait_for_single_fd(fptr, event, tv))