xref: /freebsd/lib/libc/gen/closedir.c (revision 8a16b7a18f5d0b031f09832fd7752fba717e2a97)
1*8a16b7a1SPedro F. Giffuni /*-
2*8a16b7a1SPedro F. Giffuni  * SPDX-License-Identifier: BSD-3-Clause
3*8a16b7a1SPedro F. Giffuni  *
458f0484fSRodney W. Grimes  * Copyright (c) 1983, 1993
558f0484fSRodney W. Grimes  *	Regents of the University of California.  All rights reserved.
658f0484fSRodney W. Grimes  *
758f0484fSRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
858f0484fSRodney W. Grimes  * modification, are permitted provided that the following conditions
958f0484fSRodney W. Grimes  * are met:
1058f0484fSRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
1158f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1258f0484fSRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1358f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1458f0484fSRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
15fbbd9655SWarner Losh  * 3. Neither the name of the University nor the names of its contributors
1658f0484fSRodney W. Grimes  *    may be used to endorse or promote products derived from this software
1758f0484fSRodney W. Grimes  *    without specific prior written permission.
1858f0484fSRodney W. Grimes  *
1958f0484fSRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2058f0484fSRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2158f0484fSRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2258f0484fSRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2358f0484fSRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2458f0484fSRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2558f0484fSRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2658f0484fSRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2758f0484fSRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2858f0484fSRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2958f0484fSRodney W. Grimes  * SUCH DAMAGE.
3058f0484fSRodney W. Grimes  */
3158f0484fSRodney W. Grimes 
3258f0484fSRodney W. Grimes #if defined(LIBC_SCCS) && !defined(lint)
3358f0484fSRodney W. Grimes static char sccsid[] = "@(#)closedir.c	8.1 (Berkeley) 6/10/93";
3458f0484fSRodney W. Grimes #endif /* LIBC_SCCS and not lint */
35ea8d448aSDavid E. O'Brien #include <sys/cdefs.h>
36ea8d448aSDavid E. O'Brien __FBSDID("$FreeBSD$");
3758f0484fSRodney W. Grimes 
38d201fe46SDaniel Eischen #include "namespace.h"
3958f0484fSRodney W. Grimes #include <sys/types.h>
4058f0484fSRodney W. Grimes #include <dirent.h>
41d201fe46SDaniel Eischen #include <pthread.h>
4258f0484fSRodney W. Grimes #include <stdlib.h>
4358f0484fSRodney W. Grimes #include <unistd.h>
44d201fe46SDaniel Eischen #include "un-namespace.h"
4558f0484fSRodney W. Grimes 
46d201fe46SDaniel Eischen #include "libc_private.h"
470bb2aabfSGleb Kurtsou #include "gen-private.h"
4810d1cba0SDaniel Eischen #include "telldir.h"
4951295a4dSJordan K. Hubbard 
5058f0484fSRodney W. Grimes /*
5158f0484fSRodney W. Grimes  * close a directory.
5258f0484fSRodney W. Grimes  */
5358f0484fSRodney W. Grimes int
5450079a51SPawel Jakub Dawidek fdclosedir(DIR *dirp)
5558f0484fSRodney W. Grimes {
5658f0484fSRodney W. Grimes 	int fd;
5758f0484fSRodney W. Grimes 
58d201fe46SDaniel Eischen 	if (__isthreaded)
594a95df55SDag-Erling Smørgrav 		_pthread_mutex_lock(&dirp->dd_lock);
6058f0484fSRodney W. Grimes 	fd = dirp->dd_fd;
6158f0484fSRodney W. Grimes 	dirp->dd_fd = -1;
6258f0484fSRodney W. Grimes 	dirp->dd_loc = 0;
63e78bad23SJeffrey Hsu 	free((void *)dirp->dd_buf);
6469921123SKonstantin Belousov 	free(dirp->dd_compat_de);
656de86c13SDoug Rabson 	_reclaim_telldir(dirp);
66d201fe46SDaniel Eischen 	if (__isthreaded) {
674a95df55SDag-Erling Smørgrav 		_pthread_mutex_unlock(&dirp->dd_lock);
684a95df55SDag-Erling Smørgrav 		_pthread_mutex_destroy(&dirp->dd_lock);
69d201fe46SDaniel Eischen 	}
70ef80a534SDaniel Eischen 	free((void *)dirp);
7150079a51SPawel Jakub Dawidek 	return (fd);
7250079a51SPawel Jakub Dawidek }
7350079a51SPawel Jakub Dawidek 
7450079a51SPawel Jakub Dawidek int
7550079a51SPawel Jakub Dawidek closedir(DIR *dirp)
7650079a51SPawel Jakub Dawidek {
7750079a51SPawel Jakub Dawidek 
7850079a51SPawel Jakub Dawidek 	return (_close(fdclosedir(dirp)));
7958f0484fSRodney W. Grimes }
80