1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * CDDL HEADER START
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * The contents of this file are subject to the terms of the
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Common Development and Distribution License (the "License").
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * You may not use this file except in compliance with the License.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * or http://www.opensolaris.org/os/licensing.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * See the License for the specific language governing permissions
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * and limitations under the License.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * When distributing Covered Code, include this CDDL HEADER in each
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * If applicable, add the following below this CDDL HEADER, with the
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * fields enclosed by brackets "[]" replaced with your own identifying
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * information: Portions Copyright [yyyy] [name of copyright owner]
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * CDDL HEADER END
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Use is subject to license terms.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#pragma ident "%Z%%M% %I% %E% SMI"
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * write thread - read from vcc console and write to tcp client. There are one
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * writer and multiple readers per console. The first client who connects to
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * a console get write access.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * Writer thread writes vcc data to all tcp clients that connected to
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * the console.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <stdio.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <stdio.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <stdlib.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <string.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <unistd.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <sys/types.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <sys/socket.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <netinet/in.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <thread.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <synch.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <signal.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <assert.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <poll.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <syslog.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include <libintl.h>
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include "vntsd.h"
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo#include "chars.h"
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan/* handle for writing all clients */
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayantypedef struct write_buf {
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan uint_t sz; /* data size */
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan char *buf;
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan} write_buf_t;
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * check the state of write thread. exit if no more client connects to the
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * console.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppostatic void
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppowrite_chk_status(vntsd_cons_t *consp, int status)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if ((consp->status & VNTSD_CONS_DELETED) || (consp->clientpq == NULL)) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo thr_exit(0);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo switch (status) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo case VNTSD_STATUS_VCC_IO_ERR:
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(consp->group != NULL);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (vntsd_vcc_err(consp) != VNTSD_STATUS_CONTINUE) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo thr_exit(0);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo break;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo case VNTSD_STATUS_INTR:
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo thr_exit(0);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo default:
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo break;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * skip_terminal_null()
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * scan terminal null character sequence (0x5e 0x40)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * return number of characters in the buf after skipping terminal null
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * sequence. buf size must be at least sz+1.
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppostatic int
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayanskip_terminal_null(char *buf, int sz)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo int i, j;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo static int term_null_seq = 0;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(sz >= 0);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (term_null_seq) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* skip 0x5e previously */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo term_null_seq = 0;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (buf[0] != 0x40) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* not terminal null sequence put 0x5e back */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (i = sz; i > 0; i--) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo buf[i] = buf[i-1];
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo buf[0] = 0x5e;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo sz++;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo } else {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* skip terminal null sequence */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo sz--;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (sz == 0) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (sz);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (i = 0; i < sz; i++) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo buf[i] = buf[i+1];
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (; ; ) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (i = 0; i < sz; i++) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (buf[i] == '\0') {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (i);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (buf[i] == 0x5e) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* possible terminal null sequence */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (i == sz -1) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* last character in buffer */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo term_null_seq = 1;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo sz--;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo buf[i] = 0;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (sz);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (buf[i+1] == 0x40) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* found terminal null sequence */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo sz -= 2;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (j = i; j < sz -i; j++) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo buf[j] = buf[j+2];
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo break;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (buf[i+1] == '\0') {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo buf[i] = 0;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo term_null_seq = 1;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (i);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (i == sz) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* end of scan */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (sz);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/* read data from vcc */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppostatic int
1ae0874509b6811fdde1dfd46f0d93fd09867a3fhepporead_vcc(vntsd_cons_t *consp, char *buf, ssize_t *sz)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* read from vcc */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo *sz = read(consp->vcc_fd, buf, VNTSD_MAX_BUF_SIZE);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (errno == EINTR) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_STATUS_INTR);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if ((*sz > 0)) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_SUCCESS);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (VNTSD_STATUS_VCC_IO_ERR);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan/*
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * write to a client
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * this function is passed as a parameter to vntsd_que_find.
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * for each client that connected to the console, vntsd_que_find
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan * applies this function.
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppostatic boolean_t
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayanwrite_one_client(vntsd_client_t *clientp, write_buf_t *write_buf)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo int rv;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan rv = vntsd_write_client(clientp, write_buf->buf, write_buf->sz);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (rv != VNTSD_SUCCESS) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_lock(&clientp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo clientp->status |= VNTSD_CLIENT_IO_ERR;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(clientp->cons);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) thr_kill(clientp->cons_tid, NULL);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_unlock(&clientp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (B_FALSE);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo/* vntsd_write_thread() */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppovoid*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppovntsd_write_thread(vntsd_cons_t *consp)
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo{
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo char buf[VNTSD_MAX_BUF_SIZE+1];
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo int sz;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo int rv;
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan write_buf_t write_buf;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo D1(stderr, "t@%d vntsd_write@%d\n", thr_self(), consp->vcc_fd);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo assert(consp);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo write_chk_status(consp, VNTSD_SUCCESS);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo for (; ; ) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo bzero(buf, VNTSD_MAX_BUF_SIZE +1);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* read data */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo rv = read_vcc(consp, buf, &sz);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo write_chk_status(consp, rv);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo if (sz <= 0) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo continue;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* has data */
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan if ((sz = skip_terminal_null(buf, sz)) == 0) {
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /* terminal null sequence */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo continue;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan write_buf.sz = sz;
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan write_buf.buf = buf;
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /*
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * output data to all clients connected
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo * to this console
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo */
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_lock(&consp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) vntsd_que_find(consp->clientpq,
d10e4ef2fabf16c3237c6d6592496df3eac6a1efnarayan (compare_func_t)write_one_client, &write_buf);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo (void) mutex_unlock(&consp->lock);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo write_chk_status(consp, VNTSD_SUCCESS);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo }
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo /*NOTREACHED*/
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo return (NULL);
1ae0874509b6811fdde1dfd46f0d93fd09867a3fheppo}