1 files changed, 88 insertions, 0 deletions
diff --git a/StdLib/PosixLib/Gen/closedir.c b/StdLib/PosixLib/Gen/closedir.c
new file mode 100644
index 0000000000..e5863b59ad
--- /dev/null
+++ b/StdLib/PosixLib/Gen/closedir.c
@@ -0,0 +1,88 @@
+/** @file
+    Close an open directory.
+
+    Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
+    This program and the accompanying materials
+    are licensed and made available under the terms and conditions of the BSD License
+    which accompanies this distribution.  The full text of the license may be found at
+    http://opensource.org/licenses/bsd-license.php
+
+    THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+    WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+    Copyright (c) 1983, 1993
+     Regents of the University of California.  All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+    3. Neither the name of the University nor the names of its contributors
+       may be used to endorse or promote products derived from this software
+       without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+    SUCH DAMAGE.
+
+    NetBSD: closedir.c,v 1.15 2006/05/17 20:36:50 christos Exp
+    closedir.c  8.1 (Berkeley) 6/10/93
+**/
+#include <sys/cdefs.h>
+
+#include  <namespace.h>
+#include  <reentrant.h>
+#include  <extern.h>
+#include <sys/types.h>
+
+#include <assert.h>
+#include <dirent.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifdef __weak_alias
+__weak_alias(closedir,_closedir)
+#endif
+
+/*
+ * close a directory.
+ */
+int
+closedir(DIR *dirp)
+{
+  int fd;
+
+  _DIAGASSERT(dirp != NULL);
+
+#ifdef _REENTRANT
+  if (__isthreaded)
+    mutex_lock((mutex_t *)dirp->dd_lock);
+#endif
+  fd = dirp->dd_fd;
+  dirp->dd_fd = -1;
+  dirp->dd_loc = 0;
+  free(dirp->dd_buf);
+
+#ifdef _REENTRANT
+  if (__isthreaded) {
+    mutex_unlock((mutex_t *)dirp->dd_lock);
+    mutex_destroy((mutex_t *)dirp->dd_lock);
+    free(dirp->dd_lock);
+  }
+#endif
+  free((void *)dirp);
+  return(close(fd));
+}