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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */
#include "mt.h"
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <errno.h>
#include <stropts.h>
#include <sys/stream.h>
#define _SUN_TPI_VERSION 2
#include <sys/tihdr.h>
#include <sys/timod.h>
#include <sys/stat.h>
#include <xti.h>
#include <fcntl.h>
#include <signal.h>
#include <assert.h>
#include <syslog.h>
#include <limits.h>
#include "tx.h"
int
_tx_getinfo(int fd, struct t_info *info, int api_semantics)
{
struct T_info_req *inforeqp;
struct T_info_ack *infoackp;
int retlen;
struct _ti_user *tiptr;
int retval, sv_errno, didalloc;
struct strbuf ctlbuf;
if ((tiptr = _t_checkfd(fd, 0, api_semantics)) == 0)
return (-1);
sig_mutex_lock(&tiptr->ti_lock);
/*
* Acquire buffer for use in sending/receiving the message.
* Note: assumes (correctly) that ti_ctlsize is large enough
* to hold sizeof (struct T_info_req/ack)
*/
if (_t_acquire_ctlbuf(tiptr, &ctlbuf, &didalloc) < 0) {
sv_errno = errno;
sig_mutex_unlock(&tiptr->ti_lock);
errno = sv_errno;
return (-1);
}
/* LINTED pointer cast */
inforeqp = (struct T_info_req *)ctlbuf.buf;
inforeqp->PRIM_type = T_INFO_REQ;
do {
retval = _t_do_ioctl(fd, ctlbuf.buf,
(int)sizeof (struct T_info_req), TI_GETINFO, &retlen);
} while (retval < 0 && errno == EINTR);
if (retval < 0)
goto err_out;
if (retlen != (int)sizeof (struct T_info_ack)) {
t_errno = TSYSERR;
errno = EIO;
goto err_out;
}
/* LINTED pointer cast */
infoackp = (struct T_info_ack *)ctlbuf.buf;
info->addr = infoackp->ADDR_size;
info->options = infoackp->OPT_size;
info->tsdu = infoackp->TSDU_size;
info->etsdu = infoackp->ETSDU_size;
info->connect = infoackp->CDATA_size;
info->discon = infoackp->DDATA_size;
info->servtype = infoackp->SERV_type;
if (_T_IS_XTI(api_semantics)) {
/* XTI ONLY - TLI t_info struct does not have "flags" */
info->flags = 0;
if (infoackp->PROVIDER_flag & (SENDZERO|OLD_SENDZERO))
info->flags |= T_SENDZERO;
}
if (didalloc)
free(ctlbuf.buf);
else
tiptr->ti_ctlbuf = ctlbuf.buf;
sig_mutex_unlock(&tiptr->ti_lock);
return (0);
err_out:
sv_errno = errno;
if (didalloc)
free(ctlbuf.buf);
else
tiptr->ti_ctlbuf = ctlbuf.buf;
sig_mutex_unlock(&tiptr->ti_lock);
errno = sv_errno;
return (-1);
}
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