xref: /titanic_51/usr/src/lib/libnsl/nsl/t_sync.c (revision 8eea8e29cc4374d1ee24c25a07f45af132db3499)
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 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright 1993-2003 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 <rpc/trace.h>
36 #include <xti.h>
37 #include <stropts.h>
38 #include <sys/timod.h>
39 #include "tx.h"
40 
41 int
42 _tx_sync(int fd, int api_semantics)
43 {
44 	struct _ti_user *tiptr;
45 	int sv_errno;
46 	int force_sync = 0;
47 
48 	trace2(TR_t_sync, 0, fd);
49 	/*
50 	 * In case of fork/exec'd servers, _t_checkfd() has all
51 	 * the code to synchronize the tli data structures.
52 	 *
53 	 * We do a "forced sync" for XTI and not TLI. Detailed comments
54 	 * in _utililty.c having to do with rpcgen generated code and
55 	 * associated risk.
56 	 *
57 	 */
58 	if (_T_IS_XTI(api_semantics))
59 		force_sync = 1;
60 
61 	if ((tiptr = _t_checkfd(fd, force_sync, api_semantics)) == NULL) {
62 		sv_errno = errno;
63 		trace2(TR_t_sync, 1, fd);
64 		errno = sv_errno;
65 		return (-1);
66 	}
67 	trace2(TR_t_sync, 1, fd);
68 	return (tiptr->ti_state);
69 }
70