118 	struct snp_softc *ss = data;  in snp_dtor()  local
121 	tp = ss->snp_tty;  in snp_dtor()
124 		ttyoutq_free(&ss->snp_outq);  in snp_dtor()
126 		ss->snp_tty = NULL;  in snp_dtor()
129 	cv_destroy(&ss->snp_outwait);  in snp_dtor()
130 	free(ss, M_SNP);  in snp_dtor()
140 	struct snp_softc *ss;  in snp_open()  local
143 	ss = malloc(sizeof(struct snp_softc), M_SNP, M_WAITOK|M_ZERO);  in snp_open()
144 	cv_init(&ss->snp_outwait, "snp out");  in snp_open()
146 	devfs_set_cdevpriv(ss, snp_dtor);  in snp_open()
155 	struct snp_softc *ss;  in snp_read()  local
161 	error = devfs_get_cdevpriv((void **)&ss);  in snp_read()
165 	tp = ss->snp_tty;  in snp_read()
171 		error = ttyoutq_read_uio(&ss->snp_outq, tp, uio);  in snp_read()
180 		error = cv_wait_sig(&ss->snp_outwait, tty_getlock(tp));  in snp_read()
196 	struct snp_softc *ss;  in snp_write()  local
201 	error = devfs_get_cdevpriv((void **)&ss);  in snp_write()
205 	tp = ss->snp_tty;  in snp_write()
242 	struct snp_softc *ss;  in snp_ioctl()  local
246 	error = devfs_get_cdevpriv((void **)&ss);  in snp_ioctl()
254 		tp = ss->snp_tty;  in snp_ioctl()
258 				ss->snp_tty = NULL;  in snp_ioctl()
259 				ttyoutq_free(&ss->snp_outq);  in snp_ioctl()
271 		error = ttyhook_register(&ss->snp_tty, td->td_proc,  in snp_ioctl()
272 		    *(int *)data, &snp_hook, ss);  in snp_ioctl()
278 		tp = ss->snp_tty;  in snp_ioctl()
280 		ttyoutq_setsize(&ss->snp_outq, tp, SNP_OUTPUT_BUFSIZE);  in snp_ioctl()
286 		if (ss->snp_tty == NULL)  in snp_ioctl()
289 			*(dev_t *)data = tty_udev(ss->snp_tty);  in snp_ioctl()
292 		if (ss->snp_tty == NULL)  in snp_ioctl()
295 			*(uint32_t *)data = tty_udev(ss->snp_tty); /* trunc */  in snp_ioctl()
298 		tp = ss->snp_tty;  in snp_ioctl()
304 				*(int *)data = ttyoutq_bytesused(&ss->snp_outq);  in snp_ioctl()
318 	struct snp_softc *ss;  in snp_poll()  local
322 	if (devfs_get_cdevpriv((void **)&ss) != 0)  in snp_poll()
329 		tp = ss->snp_tty;  in snp_poll()
332 			if (ttyoutq_bytesused(&ss->snp_outq) > 0)  in snp_poll()
339 		selrecord(td, &ss->snp_outpoll);  in snp_poll()
369 	struct snp_softc *ss = ttyhook_softc(tp);  in snp_getc_capture()  local
371 	ttyoutq_write(&ss->snp_outq, buf, len);  in snp_getc_capture()
373 	cv_broadcast(&ss->snp_outwait);  in snp_getc_capture()
374 	selwakeup(&ss->snp_outpoll);  in snp_getc_capture()