/* * 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); }