glibc/sysdeps/mach/hurd/closedir.c

61 lines
1.7 KiB
C

/* Copyright (C) 1993-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <stdlib.h>
#include <dirent.h>
#include <unistd.h>
#include <hurd.h>
#include <hurd/fd.h>
#include "dirstream.h"
/* Close the directory stream DIRP.
Return 0 if successful, -1 if not. */
int
__closedir (DIR *dirp)
{
error_t err;
if (dirp == NULL)
{
errno = EINVAL;
return -1;
}
__libc_lock_lock (dirp->__lock);
err = __vm_deallocate (__mach_task_self (),
(vm_address_t) dirp->__data, dirp->__allocation);
dirp->__data = NULL;
err = _hurd_fd_close (dirp->__fd);
if (err)
{
/* Unlock the DIR. A failing closedir can be repeated (and may fail
again, but shouldn't deadlock). */
__libc_lock_unlock (dirp->__lock);
return __hurd_fail (err);
}
/* Clean up the lock and free the structure. */
__libc_lock_fini (dirp->__lock);
free (dirp);
return 0;
}
weak_alias (__closedir, closedir)