toolkit/mozapps/update/updater/automounter_gonk.h@6474c204b198 (annotated)
toolkit/mozapps/update/updater/automounter_gonk.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim:set ts=2 sw=2 sts=2 et cindent: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef AUTOMOUNTER_GONK_H__ |
| michael@0 | 8 | #define AUTOMOUNTER_GONK_H__ |
| michael@0 | 9 | |
| michael@0 | 10 | typedef enum { |
| michael@0 | 11 | ReadOnly, |
| michael@0 | 12 | ReadWrite, |
| michael@0 | 13 | Unknown |
| michael@0 | 14 | } MountAccess; |
| michael@0 | 15 | |
| michael@0 | 16 | /** |
| michael@0 | 17 | * This class will remount the /system partition as read-write in Gonk to allow |
| michael@0 | 18 | * the updater write access. Upon destruction, /system will be remounted back to |
| michael@0 | 19 | * read-only. If something causes /system to remain read-write, this class will |
| michael@0 | 20 | * reboot the device and allow the system to mount as read-only. |
| michael@0 | 21 | * |
| michael@0 | 22 | * Code inspired from AOSP system/core/adb/remount_service.c |
| michael@0 | 23 | */ |
| michael@0 | 24 | class GonkAutoMounter |
| michael@0 | 25 | { |
| michael@0 | 26 | public: |
| michael@0 | 27 | GonkAutoMounter(); |
| michael@0 | 28 | ~GonkAutoMounter(); |
| michael@0 | 29 | |
| michael@0 | 30 | const MountAccess GetAccess() |
| michael@0 | 31 | { |
| michael@0 | 32 | return mAccess; |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | private: |
| michael@0 | 36 | bool RemountSystem(MountAccess access); |
| michael@0 | 37 | bool ForceRemountReadOnly(); |
| michael@0 | 38 | bool UpdateMountStatus(); |
| michael@0 | 39 | bool ProcessMount(const char *mount); |
| michael@0 | 40 | bool MountSystem(unsigned long flags); |
| michael@0 | 41 | void Reboot(); |
| michael@0 | 42 | |
| michael@0 | 43 | private: |
| michael@0 | 44 | char *mDevice; |
| michael@0 | 45 | MountAccess mAccess; |
| michael@0 | 46 | }; |
| michael@0 | 47 | |
| michael@0 | 48 | #endif // AUTOMOUNTER_GONK_H__ |
