69  *   writable but not readable.
210  * Drain a file descriptor (fifo) of any readable data.  Note: resets the
862 poll_status(int fd, int *readable, int *writable, int *exception,  in poll_status()  argument
875 	*readable = (fds[0].revents & POLLIN) ? 1 : 0;  in poll_status()
882 select_status(int fd, int *readable, int *writable, int *exception,  in select_status()  argument
900 	*readable = FD_ISSET(fd, &readfds) ? 1 : 0;  in select_status()
951 kqueue_status(int kqueue_fd, int fd, int *readable, int *writable,  in kqueue_status()  argument
968 	*readable = *writable = *exception = 0;  in kqueue_status()
974 			*readable = 1;  in kqueue_status()
983 fionread_status(int fd, int *readable, const char *testname)  in fionread_status()  argument
993 		*readable = 1;  in fionread_status()
995 		*readable = 0;  in fionread_status()
999 #define	READABLE	1  macro
1012 	int readable, writable, exception;  in assert_status()  local
1014 	if (poll_status(fd, &readable, &writable, &exception, testname) < 0)  in assert_status()
1017 	if (readable != assert_readable || writable != assert_writable ||  in assert_status()
1020 		    fdname, readable, writable, exception, conditionname);  in assert_status()
1024 	if (select_status(fd, &readable, &writable, &exception, testname) < 0)  in assert_status()
1027 	if (readable != assert_readable || writable != assert_writable ||  in assert_status()
1030 		    fdname, readable, writable, exception, conditionname);  in assert_status()
1034 	if (kqueue_status(kqueue_fd, fd, &readable, &writable, &exception,  in assert_status()
1038 	if (readable != assert_readable || writable != assert_writable ||  in assert_status()
1041 		    fdname, readable, writable, exception, conditionname);  in assert_status()
1045 	if (fionread_status(fd, &readable, __func__) < 0)  in assert_status()
1048 	if (readable != assert_readable) {  in assert_status()
1050 		    readable, conditionname);  in assert_status()
1061  * kevent will correctly inform on readable/writable state following I/O.
1098 	 * since it will not be readable (no data in pipe), writable (it's  in test_events_outofbox()
1153 	 * readable, and that the write end remains writable (small write).  in test_events_write_read_byte()
1163 	if (assert_status(reader_fd, kqueue_fd, READABLE, NOT_WRITABLE,  in test_events_write_read_byte()
1295  * fifo, resulting in the fifo never returning readable.
1325 	 * not readable.  in test_events_rdwr()
1335 	 * readable and writable.  in test_events_rdwr()
1345 	if (assert_status(fd, kqueue_fd, READABLE, WRITABLE, NOT_EXCEPTION,  in test_events_rdwr()