xref: /titanic_41/usr/src/lib/libnsl/nsl/t_getstate.c (revision f48205be61a214698b763ff550ab9e657525104c)
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 }
64