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authorxunchang <xunchang@google.com>2019-03-23 00:08:52 +0100
committerxunchang <xunchang@google.com>2019-03-29 18:27:51 +0100
commit2478885f3ca47fe2c4073df1100f7bd6ad4931af (patch)
tree7bad452d0d5b0ae6eca9adf18c7bf8b8966a318f /otautil/include
parentMerge "Use flags = 0 to avoid fd closing for child updater process" (diff)
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Diffstat (limited to 'otautil/include')
-rw-r--r--otautil/include/otautil/roots.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/otautil/include/otautil/roots.h b/otautil/include/otautil/roots.h
new file mode 100644
index 000000000..482f3d050
--- /dev/null
+++ b/otautil/include/otautil/roots.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+
+#include <fstab/fstab.h>
+
+using Volume = android::fs_mgr::FstabEntry;
+
+// Load and parse volume data from /etc/recovery.fstab.
+void load_volume_table();
+
+// Return the Volume* record for this mount point (or nullptr).
+Volume* volume_for_mount_point(const std::string& mount_point);
+
+// Make sure that the volume 'path' is on is mounted. Returns 0 on
+// success (volume is mounted).
+int ensure_path_mounted(const std::string& path);
+
+// Similar to ensure_path_mounted, but allows one to specify the mount_point.
+int ensure_path_mounted_at(const std::string& path, const std::string& mount_point);
+
+// Make sure that the volume 'path' is on is unmounted. Returns 0 on
+// success (volume is unmounted);
+int ensure_path_unmounted(const std::string& path);
+
+// Reformat the given volume (must be the mount point only, eg
+// "/cache"), no paths permitted. Attempts to unmount the volume if
+// it is mounted.
+int format_volume(const std::string& volume);
+
+// Reformat the given volume (must be the mount point only, eg
+// "/cache"), no paths permitted. Attempts to unmount the volume if
+// it is mounted.
+// Copies 'directory' to root of the newly formatted volume
+int format_volume(const std::string& volume, const std::string& directory);
+
+// Ensure that all and only the volumes that packages expect to find
+// mounted (/tmp and /cache) are mounted. Returns 0 on success.
+int setup_install_mounts();
+
+bool logical_partitions_mapped();
+
+std::string get_system_root();