diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/closedir.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/closedir.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/closedir.c b/sysdeps/unix/sysv/linux/closedir.c new file mode 100644 index 0000000000..ccc19eefcd --- /dev/null +++ b/sysdeps/unix/sysv/linux/closedir.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1991-2020 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 + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <stddef.h> +#include <stdlib.h> +#include <dirent.h> +#include <unistd.h> +#include <dirstream.h> +#include <not-cancel.h> + + +/* Close the directory stream DIRP. + Return 0 if successful, -1 if not. */ +int +__closedir (DIR *dirp) +{ + int fd; + + if (dirp == NULL) + { + __set_errno (EINVAL); + return -1; + } + + /* We do not try to synchronize access here. If some other thread + still uses this handle it is a big mistake and that thread + deserves all the bad data it gets. */ + + fd = dirp->fd; + +#if IS_IN (libc) + __libc_lock_fini (dirp->lock); +#endif + + free ((void *) dirp); + + return __close_nocancel (fd); +} +weak_alias (__closedir, closedir) |