kernel/syscall/close.c

   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 1998 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * Portions of this source code were derived from Berkeley 4.3 BSD
  32  * under license from the Regents of the University of California.
  33  */
  34
  35 #ident  "%Z%%M% %I%     %E% SMI"
  36
  37 #include <sys/param.h>
  38 #include <sys/isa_defs.h>
  39 #include <sys/types.h>
  40 #include <sys/sysmacros.h>
  41 #include <sys/systm.h>
  42 #include <sys/errno.h>
  43 #include <sys/file.h>
  44 #include <sys/debug.h>
  45
  46 /*
  47  * Close a file.
  48  */
  49
  50 int
  51 close(int fdes)
  52 {
  53         int error;
  54
  55         if ((error = closeandsetf(fdes, NULL)) != 0)
  56                 return (set_errno(error));
  57         return (0);
  58 }