156 kwboot_tty_recv(int fd, void *buf, size_t len, int timeo)  in kwboot_tty_recv()  argument
166 	FD_SET(fd, &rfds);  in kwboot_tty_recv()
176 		nfds = select(fd + 1, &rfds, NULL, NULL, &tv);  in kwboot_tty_recv()
184 		n = read(fd, buf, len);  in kwboot_tty_recv()
198 kwboot_tty_send(int fd, const void *buf, size_t len)  in kwboot_tty_send()  argument
209 		n = write(fd, buf, len);  in kwboot_tty_send()
217 	rc = tcdrain(fd);  in kwboot_tty_send()
223 kwboot_tty_send_char(int fd, unsigned char c)  in kwboot_tty_send_char()  argument
225 	return kwboot_tty_send(fd, &c, 1);  in kwboot_tty_send_char()
250 	int rc, fd;  in kwboot_open_tty()  local
255 	fd = open(path, O_RDWR|O_NOCTTY|O_NDELAY);  in kwboot_open_tty()
256 	if (fd < 0)  in kwboot_open_tty()
270 	rc = tcsetattr(fd, TCSANOW, &tio);  in kwboot_open_tty()
274 	rc = fd;  in kwboot_open_tty()
277 		if (fd >= 0)  in kwboot_open_tty()
278 			close(fd);  in kwboot_open_tty()
372 kwboot_xm_sendblock(int fd, struct kwboot_block *block)  in kwboot_xm_sendblock()  argument
379 		rc = kwboot_tty_send(fd, block, sizeof(*block));  in kwboot_xm_sendblock()
384 			rc = kwboot_tty_recv(fd, &c, 1, blk_rsp_timeo);  in kwboot_xm_sendblock()
569 	int rc, fd, flags;  in kwboot_mmap_image()  local
576 	fd = open(path, O_RDONLY);  in kwboot_mmap_image()
577 	if (fd < 0)  in kwboot_mmap_image()
580 	rc = fstat(fd, &st);  in kwboot_mmap_image()
586 	img = mmap(NULL, st.st_size, prot, flags, fd, 0);  in kwboot_mmap_image()
599 	if (fd >= 0)  in kwboot_mmap_image()
600 		close(fd);  in kwboot_mmap_image()