xref: /onnv-gate/usr/src/lib/libnsl/nsl/t_sync.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright 1993-2003 Sun Microsystems, Inc.  All rights reserved.
28*0Sstevel@tonic-gate  * Use is subject to license terms.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.4.4.1 */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate #include "mt.h"
34*0Sstevel@tonic-gate #include <errno.h>
35*0Sstevel@tonic-gate #include <rpc/trace.h>
36*0Sstevel@tonic-gate #include <xti.h>
37*0Sstevel@tonic-gate #include <stropts.h>
38*0Sstevel@tonic-gate #include <sys/timod.h>
39*0Sstevel@tonic-gate #include "tx.h"
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate int
42*0Sstevel@tonic-gate _tx_sync(int fd, int api_semantics)
43*0Sstevel@tonic-gate {
44*0Sstevel@tonic-gate 	struct _ti_user *tiptr;
45*0Sstevel@tonic-gate 	int sv_errno;
46*0Sstevel@tonic-gate 	int force_sync = 0;
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate 	trace2(TR_t_sync, 0, fd);
49*0Sstevel@tonic-gate 	/*
50*0Sstevel@tonic-gate 	 * In case of fork/exec'd servers, _t_checkfd() has all
51*0Sstevel@tonic-gate 	 * the code to synchronize the tli data structures.
52*0Sstevel@tonic-gate 	 *
53*0Sstevel@tonic-gate 	 * We do a "forced sync" for XTI and not TLI. Detailed comments
54*0Sstevel@tonic-gate 	 * in _utililty.c having to do with rpcgen generated code and
55*0Sstevel@tonic-gate 	 * associated risk.
56*0Sstevel@tonic-gate 	 *
57*0Sstevel@tonic-gate 	 */
58*0Sstevel@tonic-gate 	if (_T_IS_XTI(api_semantics))
59*0Sstevel@tonic-gate 		force_sync = 1;
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	if ((tiptr = _t_checkfd(fd, force_sync, api_semantics)) == NULL) {
62*0Sstevel@tonic-gate 		sv_errno = errno;
63*0Sstevel@tonic-gate 		trace2(TR_t_sync, 1, fd);
64*0Sstevel@tonic-gate 		errno = sv_errno;
65*0Sstevel@tonic-gate 		return (-1);
66*0Sstevel@tonic-gate 	}
67*0Sstevel@tonic-gate 	trace2(TR_t_sync, 1, fd);
68*0Sstevel@tonic-gate 	return (tiptr->ti_state);
69*0Sstevel@tonic-gate }
70