| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame] | 1 | /** @file
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| 2 | Close an open directory.
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| 3 |
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| 4 | Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials
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| 6 | are licensed and made available under the terms and conditions of the BSD License
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| 7 | which accompanies this distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | Copyright (c) 1983, 1993
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| 14 | Regents of the University of California. All rights reserved.
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| 15 |
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| 16 | Redistribution and use in source and binary forms, with or without
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| 17 | modification, are permitted provided that the following conditions
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| 18 | are met:
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| 19 | 1. Redistributions of source code must retain the above copyright
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| 20 | notice, this list of conditions and the following disclaimer.
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| 21 | 2. Redistributions in binary form must reproduce the above copyright
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| 22 | notice, this list of conditions and the following disclaimer in the
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| 23 | documentation and/or other materials provided with the distribution.
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| 24 | 3. Neither the name of the University nor the names of its contributors
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| 25 | may be used to endorse or promote products derived from this software
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| 26 | without specific prior written permission.
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| 27 |
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| 28 | THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 29 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 30 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 31 | ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 32 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 33 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 34 | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 35 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 36 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 37 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 38 | SUCH DAMAGE.
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| 39 |
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| 40 | NetBSD: closedir.c,v 1.15 2006/05/17 20:36:50 christos Exp
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| 41 | closedir.c 8.1 (Berkeley) 6/10/93
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| 42 | **/
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| 43 | #include <sys/cdefs.h>
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| 44 |
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| 45 | #include <namespace.h>
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| 46 | #include <reentrant.h>
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| 47 | #include <extern.h>
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| 48 | #include <sys/types.h>
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| 49 |
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| 50 | #include <assert.h>
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| 51 | #include <dirent.h>
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| 52 | #include <errno.h>
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| 53 | #include <stdlib.h>
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| 54 | #include <unistd.h>
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| 55 |
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| 56 | #ifdef __weak_alias
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| 57 | __weak_alias(closedir,_closedir)
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| 58 | #endif
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| 59 |
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| 60 | /*
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| 61 | * close a directory.
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| 62 | */
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| 63 | int
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| 64 | closedir(DIR *dirp)
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| 65 | {
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| 66 | int fd;
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| 67 |
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| 68 | _DIAGASSERT(dirp != NULL);
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| 69 |
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| 70 | #ifdef _REENTRANT
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| 71 | if (__isthreaded)
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| 72 | mutex_lock((mutex_t *)dirp->dd_lock);
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| 73 | #endif
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| 74 | fd = dirp->dd_fd;
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| 75 | dirp->dd_fd = -1;
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| 76 | dirp->dd_loc = 0;
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| 77 | free(dirp->dd_buf);
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| 78 |
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| 79 | #ifdef _REENTRANT
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| 80 | if (__isthreaded) {
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| 81 | mutex_unlock((mutex_t *)dirp->dd_lock);
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| 82 | mutex_destroy((mutex_t *)dirp->dd_lock);
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| 83 | free(dirp->dd_lock);
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| 84 | }
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| 85 | #endif
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| 86 | free((void *)dirp);
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| 87 | return(close(fd));
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| 88 | }
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