summaryrefslogtreecommitdiffstats
path: root/toolkit/mozapps/update/updater/automounter_gonk.h
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /toolkit/mozapps/update/updater/automounter_gonk.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'toolkit/mozapps/update/updater/automounter_gonk.h')
-rw-r--r--toolkit/mozapps/update/updater/automounter_gonk.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/toolkit/mozapps/update/updater/automounter_gonk.h b/toolkit/mozapps/update/updater/automounter_gonk.h
new file mode 100644
index 000000000..e40cacbc2
--- /dev/null
+++ b/toolkit/mozapps/update/updater/automounter_gonk.h
@@ -0,0 +1,48 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef AUTOMOUNTER_GONK_H__
+#define AUTOMOUNTER_GONK_H__
+
+typedef enum {
+ ReadOnly,
+ ReadWrite,
+ Unknown
+} MountAccess;
+
+/**
+ * This class will remount the /system partition as read-write in Gonk to allow
+ * the updater write access. Upon destruction, /system will be remounted back to
+ * read-only. If something causes /system to remain read-write, this class will
+ * reboot the device and allow the system to mount as read-only.
+ *
+ * Code inspired from AOSP system/core/adb/remount_service.c
+ */
+class GonkAutoMounter
+{
+public:
+ GonkAutoMounter();
+ ~GonkAutoMounter();
+
+ MountAccess GetAccess() const
+ {
+ return mAccess;
+ }
+
+private:
+ bool RemountSystem(MountAccess access);
+ bool ForceRemountReadOnly();
+ bool UpdateMountStatus();
+ bool ProcessMount(const char *mount);
+ bool MountSystem(unsigned long flags);
+ void Reboot();
+
+private:
+ char *mDevice;
+ MountAccess mAccess;
+};
+
+#endif // AUTOMOUNTER_GONK_H__