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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26/*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
27/*	  All Rights Reserved  	*/
28
29/*
30 * Portions of this source code were derived from Berkeley 4.3 BSD
31 * under license from the Regents of the University of California.
32 */
33
34#pragma ident	"%Z%%M%	%I%	%E% SMI"
35
36#include <sys/param.h>
37#include <sys/isa_defs.h>
38#include <sys/types.h>
39#include <sys/sysmacros.h>
40#include <sys/cred.h>
41#include <sys/systm.h>
42#include <sys/errno.h>
43#include <sys/vnode.h>
44#include <sys/file.h>
45#include <sys/mode.h>
46#include <sys/debug.h>
47
48/*
49 * Flush output pending for file.
50 */
51int
52fdsync(int fd, int flag)
53{
54	file_t *fp;
55	register int error;
56	int syncflag;
57
58	if ((fp = getf(fd)) != NULL) {
59		/*
60		 * This flag will determine the file sync
61		 * or data sync.
62		 * FSYNC : file sync
63		 * FDSYNC : data sync
64		 */
65		syncflag = flag & (FSYNC|FDSYNC);
66
67		if (error = VOP_FSYNC(fp->f_vnode, syncflag, fp->f_cred, NULL))
68			(void) set_errno(error);
69		releasef(fd);
70	} else
71		error = set_errno(EBADF);
72	return (error);
73}
74