src/basic/mount-util.h

   1 #pragma once
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2010 Lennart Poettering
   7
   8   systemd is free software; you can redistribute it and/or modify it
   9   under the terms of the GNU Lesser General Public License as published by
  10   the Free Software Foundation; either version 2.1 of the License, or
  11   (at your option) any later version.
  12
  13   systemd is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   Lesser General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20 ***/
  21
  22 #include <fcntl.h>
  23 #include <mntent.h>
  24 #include <stdbool.h>
  25 #include <stdio.h>
  26 #include <sys/stat.h>
  27 #include <sys/types.h>
  28
  29 #include "macro.h"
  30 #include "missing.h"
  31
  32 int fd_is_mount_point(int fd, const char *filename, int flags);
  33 int path_is_mount_point(const char *path, int flags);
  34
  35 int repeat_unmount(const char *path, int flags);
  36
  37 int umount_recursive(const char *target, int flags);
  38 int bind_remount_recursive(const char *prefix, bool ro);
  39
  40 int mount_move_root(const char *path);
  41
  42 DEFINE_TRIVIAL_CLEANUP_FUNC(FILE*, endmntent);
  43 #define _cleanup_endmntent_ _cleanup_(endmntentp)
  44
  45 bool fstype_is_network(const char *fstype);
  46
  47 union file_handle_union {
  48         struct file_handle handle;
  49         char padding[sizeof(struct file_handle) + MAX_HANDLE_SZ];
  50 };
  51
  52 #define FILE_HANDLE_INIT { .handle.handle_bytes = MAX_HANDLE_SZ }