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d711a486 | 1 | /** @file\r |
2 | Close an open directory.\r | |
3 | \r | |
4 | Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | Copyright (c) 1983, 1993\r | |
14 | Regents of the University of California. All rights reserved.\r | |
15 | \r | |
16 | Redistribution and use in source and binary forms, with or without\r | |
17 | modification, are permitted provided that the following conditions\r | |
18 | are met:\r | |
19 | 1. Redistributions of source code must retain the above copyright\r | |
20 | notice, this list of conditions and the following disclaimer.\r | |
21 | 2. Redistributions in binary form must reproduce the above copyright\r | |
22 | notice, this list of conditions and the following disclaimer in the\r | |
23 | documentation and/or other materials provided with the distribution.\r | |
24 | 3. Neither the name of the University nor the names of its contributors\r | |
25 | may be used to endorse or promote products derived from this software\r | |
26 | without specific prior written permission.\r | |
27 | \r | |
28 | THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r | |
29 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r | |
30 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r | |
31 | ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r | |
32 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r | |
33 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r | |
34 | OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r | |
35 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r | |
36 | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r | |
37 | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r | |
38 | SUCH DAMAGE.\r | |
39 | \r | |
40 | NetBSD: closedir.c,v 1.15 2006/05/17 20:36:50 christos Exp\r | |
41 | closedir.c 8.1 (Berkeley) 6/10/93\r | |
42 | **/\r | |
43 | #include <sys/cdefs.h>\r | |
44 | \r | |
45 | #include <namespace.h>\r | |
46 | #include <reentrant.h>\r | |
47 | #include <extern.h>\r | |
48 | #include <sys/types.h>\r | |
49 | \r | |
50 | #include <assert.h>\r | |
51 | #include <dirent.h>\r | |
52 | #include <errno.h>\r | |
53 | #include <stdlib.h>\r | |
54 | #include <unistd.h>\r | |
55 | \r | |
56 | #ifdef __weak_alias\r | |
57 | __weak_alias(closedir,_closedir)\r | |
58 | #endif\r | |
59 | \r | |
60 | /*\r | |
61 | * close a directory.\r | |
62 | */\r | |
63 | int\r | |
64 | closedir(DIR *dirp)\r | |
65 | {\r | |
66 | int fd;\r | |
67 | \r | |
68 | _DIAGASSERT(dirp != NULL);\r | |
69 | \r | |
70 | #ifdef _REENTRANT\r | |
71 | if (__isthreaded)\r | |
72 | mutex_lock((mutex_t *)dirp->dd_lock);\r | |
73 | #endif\r | |
74 | fd = dirp->dd_fd;\r | |
75 | dirp->dd_fd = -1;\r | |
76 | dirp->dd_loc = 0;\r | |
77 | free(dirp->dd_buf);\r | |
78 | \r | |
79 | #ifdef _REENTRANT\r | |
80 | if (__isthreaded) {\r | |
81 | mutex_unlock((mutex_t *)dirp->dd_lock);\r | |
82 | mutex_destroy((mutex_t *)dirp->dd_lock);\r | |
83 | free(dirp->dd_lock);\r | |
84 | }\r | |
85 | #endif\r | |
86 | free((void *)dirp);\r | |
87 | return(close(fd));\r | |
88 | }\r |