usr/src/uts/common/ktli/t_kclose.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 1997 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * University Copyright- Copyright (c) 1982, 1986, 1988
  32  * The Regents of the University of California
  33  * All Rights Reserved
  34  *
  35  * University Acknowledgment- Portions of this document are derived from
  36  * software developed by the University of California, Berkeley, and its
  37  * contributors.
  38  */
  39
  40 #pragma ident   "%Z%%M% %I%     %E% SMI"
  41
  42 /*
  43  * Much like closef().
  44  *
  45  * Returns: 0
  46  */
  47
  48 #include <sys/param.h>
  49 #include <sys/types.h>
  50 #include <sys/user.h>
  51 #include <sys/errno.h>
  52 #include <sys/stream.h>
  53 #include <sys/ioctl.h>
  54 #include <sys/stropts.h>
  55 #include <sys/file.h>
  56 #include <sys/tihdr.h>
  57 #include <sys/timod.h>
  58 #include <sys/tiuser.h>
  59 #include <sys/t_kuser.h>
  60 #include <sys/kmem.h>
  61
  62
  63 /* ARGSUSED */
  64 int
  65 t_kclose(TIUSER *tiptr, int callclosef)
  66 {
  67         file_t  *fp;
  68
  69         fp = (tiptr->flags & MADE_FP) ? tiptr->fp : NULL;
  70
  71         kmem_free(tiptr, TIUSERSZ);
  72
  73         if (fp != NULL)
  74                 (void) closef(fp);
  75
  76         return (0);
  77 }