usr/src/lib/libc/port/nsl/t_getstate.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22
  23 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  24 /*        All Rights Reserved   */
  25
  26 /*
  27  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #pragma ident   "%Z%%M% %I%     %E% SMI"
  32
  33 #include "mt.h"
  34 #include <errno.h>
  35 #include <xti.h>
  36 #include <stropts.h>
  37 #include <sys/timod.h>
  38 #include "tx.h"
  39
  40
  41 int
  42 _tx_getstate(int fd, int api_semantics)
  43 {
  44         struct _ti_user *tiptr;
  45
  46         if ((tiptr = _t_checkfd(fd, 0, api_semantics)) == NULL)
  47                 return (-1);
  48
  49         switch (tiptr->ti_state) {
  50
  51         case T_UNBND:
  52         case T_IDLE:
  53         case T_INCON:
  54         case T_OUTCON:
  55         case T_DATAXFER:
  56         case T_INREL:
  57         case T_OUTREL:
  58                 return (tiptr->ti_state);
  59         default:
  60                 t_errno = TSTATECHNG;
  61                 return (-1);
  62         }
  63 }