xref: /titanic_41/usr/src/lib/libnsl/nsl/t_sync.c (revision 257873cfc1dd3337766407f80397db60a56f2f5a)
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"	/* SVr4.0 1.4.4.1 */
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 int
41 _tx_sync(int fd, int api_semantics)
42 {
43 	struct _ti_user *tiptr;
44 	int force_sync = 0;
45 
46 	/*
47 	 * In case of fork/exec'd servers, _t_checkfd() has all
48 	 * the code to synchronize the tli data structures.
49 	 *
50 	 * We do a "forced sync" for XTI and not TLI. Detailed comments
51 	 * in _utililty.c having to do with rpcgen generated code and
52 	 * associated risk.
53 	 *
54 	 */
55 	if (_T_IS_XTI(api_semantics))
56 		force_sync = 1;
57 
58 	if ((tiptr = _t_checkfd(fd, force_sync, api_semantics)) == NULL)
59 		return (-1);
60 	return (tiptr->ti_state);
61 }
62