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 #include <sys/param.h> 35 #include <sys/isa_defs.h> 36 #include <sys/types.h> 37 #include <sys/sysmacros.h> 38 #include <sys/cred.h> 39 #include <sys/systm.h> 40 #include <sys/errno.h> 41 #include <sys/vnode.h> 42 #include <sys/file.h> 43 #include <sys/mode.h> 44 #include <sys/debug.h> 45 46 /* 47 * Flush output pending for file. 48 */ 49 int 50 fdsync(int fd, int flag) 51 { 52 file_t *fp; 53 register int error; 54 int syncflag; 55 56 if ((fp = getf(fd)) != NULL) { 57 /* 58 * This flag will determine the file sync 59 * or data sync. 60 * FSYNC : file sync 61 * FDSYNC : data sync 62 */ 63 syncflag = flag & (FSYNC|FDSYNC); 64 65 if (error = VOP_FSYNC(fp->f_vnode, syncflag, fp->f_cred, NULL)) 66 (void) set_errno(error); 67 releasef(fd); 68 } else 69 error = set_errno(EBADF); 70 return (error); 71 } 72