| ng_tty.c (93593) | ng_tty.c (109623) |
|---|---|
| 1 2/* 3 * ng_tty.c 4 * 5 * Copyright (c) 1996-1999 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and --- 22 unchanged lines hidden (view full) --- 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 * 37 * Author: Archie Cobbs <archie@freebsd.org> 38 * | 1 2/* 3 * ng_tty.c 4 * 5 * Copyright (c) 1996-1999 Whistle Communications, Inc. 6 * All rights reserved. 7 * 8 * Subject to the following obligations and disclaimer of warranty, use and --- 22 unchanged lines hidden (view full) --- 31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY 35 * OF SUCH DAMAGE. 36 * 37 * Author: Archie Cobbs <archie@freebsd.org> 38 * |
| 39 * $FreeBSD: head/sys/netgraph/ng_tty.c 93593 2002-04-01 21:31:13Z jhb $ | 39 * $FreeBSD: head/sys/netgraph/ng_tty.c 109623 2003-01-21 08:56:16Z alfred $ |
| 40 * $Whistle: ng_tty.c,v 1.21 1999/11/01 09:24:52 julian Exp $ 41 */ 42 43/* 44 * This file implements a terminal line discipline that is also a 45 * netgraph node. Installing this line discipline on a terminal device 46 * instantiates a new netgraph node of this type, which allows access 47 * to the device via the "hook" hook of the node. --- 150 unchanged lines hidden (view full) --- 198 /* Already installed? */ 199 if (tp->t_line == NETGRAPHDISC) { 200 sc = (sc_p) tp->t_sc; 201 if (sc != NULL && sc->tp == tp) 202 goto done; 203 } 204 205 /* Initialize private struct */ | 40 * $Whistle: ng_tty.c,v 1.21 1999/11/01 09:24:52 julian Exp $ 41 */ 42 43/* 44 * This file implements a terminal line discipline that is also a 45 * netgraph node. Installing this line discipline on a terminal device 46 * instantiates a new netgraph node of this type, which allows access 47 * to the device via the "hook" hook of the node. --- 150 unchanged lines hidden (view full) --- 198 /* Already installed? */ 199 if (tp->t_line == NETGRAPHDISC) { 200 sc = (sc_p) tp->t_sc; 201 if (sc != NULL && sc->tp == tp) 202 goto done; 203 } 204 205 /* Initialize private struct */ |
| 206 MALLOC(sc, sc_p, sizeof(*sc), M_NETGRAPH, M_WAITOK | M_ZERO); | 206 MALLOC(sc, sc_p, sizeof(*sc), M_NETGRAPH, M_ZERO); |
| 207 if (sc == NULL) { 208 error = ENOMEM; 209 goto done; 210 } 211 sc->tp = tp; 212 sc->hotchar = NG_TTY_DFL_HOTCHAR; 213 sc->qtail = &sc->qhead; 214 QUEUECHECK(sc); --- 148 unchanged lines hidden (view full) --- 363 log(LOG_DEBUG, "%s: line error %x\n", 364 NG_NODE_NAME(node), c & TTY_ERRORMASK); 365 ERROUT(0); 366 } 367 c &= TTY_CHARMASK; 368 369 /* Get a new header mbuf if we need one */ 370 if (!(m = sc->m)) { | 207 if (sc == NULL) { 208 error = ENOMEM; 209 goto done; 210 } 211 sc->tp = tp; 212 sc->hotchar = NG_TTY_DFL_HOTCHAR; 213 sc->qtail = &sc->qhead; 214 QUEUECHECK(sc); --- 148 unchanged lines hidden (view full) --- 363 log(LOG_DEBUG, "%s: line error %x\n", 364 NG_NODE_NAME(node), c & TTY_ERRORMASK); 365 ERROUT(0); 366 } 367 c &= TTY_CHARMASK; 368 369 /* Get a new header mbuf if we need one */ 370 if (!(m = sc->m)) { |
| 371 MGETHDR(m, M_DONTWAIT, MT_DATA); | 371 MGETHDR(m, M_NOWAIT, MT_DATA); |
| 372 if (!m) { 373 if (sc->flags & FLG_DEBUG) 374 log(LOG_ERR, 375 "%s: can't get mbuf\n", NG_NODE_NAME(node)); 376 ERROUT(ENOBUFS); 377 } 378 m->m_len = m->m_pkthdr.len = 0; 379 m->m_pkthdr.rcvif = NULL; --- 308 unchanged lines hidden --- | 372 if (!m) { 373 if (sc->flags & FLG_DEBUG) 374 log(LOG_ERR, 375 "%s: can't get mbuf\n", NG_NODE_NAME(node)); 376 ERROUT(ENOBUFS); 377 } 378 m->m_len = m->m_pkthdr.len = 0; 379 m->m_pkthdr.rcvif = NULL; --- 308 unchanged lines hidden --- |