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49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef AUTOMOUNTER_GONK_H__
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#define AUTOMOUNTER_GONK_H__
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typedef enum {
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ReadOnly,
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ReadWrite,
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Unknown
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} MountAccess;
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/**
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* This class will remount the /system partition as read-write in Gonk to allow
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* the updater write access. Upon destruction, /system will be remounted back to
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* read-only. If something causes /system to remain read-write, this class will
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* reboot the device and allow the system to mount as read-only.
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*
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* Code inspired from AOSP system/core/adb/remount_service.c
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*/
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class GonkAutoMounter
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{
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public:
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GonkAutoMounter();
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~GonkAutoMounter();
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const MountAccess GetAccess()
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{
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return mAccess;
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}
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private:
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bool RemountSystem(MountAccess access);
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bool ForceRemountReadOnly();
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bool UpdateMountStatus();
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bool ProcessMount(const char *mount);
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bool MountSystem(unsigned long flags);
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void Reboot();
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private:
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char *mDevice;
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MountAccess mAccess;
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};
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#endif // AUTOMOUNTER_GONK_H__
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