Merge "adbd: improve thread names."
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 5b5eff4..304ce4e 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -60,3 +60,4 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/lib64/hw/gatekeeper.$(TARGET_DEVICE).so)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/vendor)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/init.rc)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/root/root)
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index 7c0b15e..17986b9 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -204,6 +204,7 @@
     {"reboot,shell", 66},
     {"reboot,adb", 67},
     {"reboot,userrequested", 68},
+    {"shutdown,container", 69},  // Host OS asking Android Container to shutdown
 };
 
 // Converts a string value representing the reason the system booted to an
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index 31c8803..bce245c 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -779,47 +779,21 @@
 }
 
 /*
- * Returns the 1st matching fstab_rec that follows the start_rec.
- * start_rec is the result of a previous search or NULL.
+ * Returns the fstab_rec* whose mount_point is path.
+ * Returns nullptr if not found.
  */
-struct fstab_rec* fs_mgr_get_entry_for_mount_point_after(struct fstab_rec* start_rec,
-                                                         struct fstab* fstab,
-                                                         const std::string& path) {
-    int i;
+struct fstab_rec* fs_mgr_get_entry_for_mount_point(struct fstab* fstab, const std::string& path) {
     if (!fstab) {
         return nullptr;
     }
-
-    if (start_rec) {
-        for (i = 0; i < fstab->num_entries; i++) {
-            if (&fstab->recs[i] == start_rec) {
-                i++;
-                break;
-            }
-        }
-    } else {
-        i = 0;
-    }
-
-    for (; i < fstab->num_entries; i++) {
+    for (int i = 0; i < fstab->num_entries; i++) {
         if (fstab->recs[i].mount_point && path == fstab->recs[i].mount_point) {
             return &fstab->recs[i];
         }
     }
-
     return nullptr;
 }
 
-/*
- * Returns the 1st matching mount point.
- * There might be more. To look for others, use fs_mgr_get_entry_for_mount_point_after()
- * and give the fstab_rec from the previous search.
- */
-struct fstab_rec *fs_mgr_get_entry_for_mount_point(struct fstab *fstab, const char *path)
-{
-    return fs_mgr_get_entry_for_mount_point_after(NULL, fstab, path);
-}
-
 int fs_mgr_is_voldmanaged(const struct fstab_rec *fstab)
 {
     return fstab->fs_mgr_flags & MF_VOLDMANAGED;
diff --git a/fs_mgr/include_fstab/fstab/fstab.h b/fs_mgr/include_fstab/fstab/fstab.h
index 8a18ec0..ef51724 100644
--- a/fs_mgr/include_fstab/fstab/fstab.h
+++ b/fs_mgr/include_fstab/fstab/fstab.h
@@ -70,7 +70,6 @@
 
 int fs_mgr_add_entry(struct fstab* fstab, const char* mount_point, const char* fs_type,
                      const char* blk_device);
-struct fstab_rec* fs_mgr_get_entry_for_mount_point(struct fstab* fstab, const char* path);
 int fs_mgr_is_voldmanaged(const struct fstab_rec* fstab);
 int fs_mgr_is_nonremovable(const struct fstab_rec* fstab);
 int fs_mgr_is_verified(const struct fstab_rec* fstab);
@@ -95,6 +94,7 @@
 // TODO: move this into separate header files under include/fs_mgr/*.h
 #ifdef __cplusplus
 std::string fs_mgr_get_slot_suffix();
+struct fstab_rec* fs_mgr_get_entry_for_mount_point(struct fstab* fstab, const std::string& path);
 #endif
 
 #endif /* __CORE_FS_TAB_H */
diff --git a/init/init.cpp b/init/init.cpp
index e611f18..ad045b1 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -417,8 +417,7 @@
         return;
     }
 
-    LOG(INFO) << "Handling SIGTERM, shutting system down";
-    HandlePowerctlMessage("shutdown");
+    HandlePowerctlMessage("shutdown,container");
 }
 
 static void InstallSigtermHandler() {
diff --git a/init/persistent_properties.cpp b/init/persistent_properties.cpp
index 71f2355..21adce9 100644
--- a/init/persistent_properties.cpp
+++ b/init/persistent_properties.cpp
@@ -43,7 +43,6 @@
 
 namespace {
 
-constexpr const uint32_t kMagic = 0x8495E0B4;
 constexpr const char kLegacyPersistentPropertyDir[] = "/data/property";
 
 void AddPersistentProperty(const std::string& name, const std::string& value,
@@ -140,85 +139,6 @@
     return persistent_properties;
 }
 
-class PersistentPropertyFileParser {
-  public:
-    PersistentPropertyFileParser(const std::string& contents) : contents_(contents), position_(0) {}
-    Result<PersistentProperties> Parse();
-
-  private:
-    Result<std::string> ReadString();
-    Result<uint32_t> ReadUint32();
-
-    const std::string& contents_;
-    size_t position_;
-};
-
-Result<PersistentProperties> PersistentPropertyFileParser::Parse() {
-    if (auto magic = ReadUint32(); magic) {
-        if (*magic != kMagic) {
-            return Error() << "Magic value '0x" << std::hex << *magic
-                           << "' does not match expected value '0x" << kMagic << "'";
-        }
-    } else {
-        return Error() << "Could not read magic value: " << magic.error();
-    }
-
-    if (auto version = ReadUint32(); version) {
-        if (*version != 1) {
-            return Error() << "Version '" << *version
-                           << "' does not match any compatible version: (1)";
-        }
-    } else {
-        return Error() << "Could not read version: " << version.error();
-    }
-
-    auto num_properties = ReadUint32();
-    if (!num_properties) {
-        return Error() << "Could not read num_properties: " << num_properties.error();
-    }
-
-    PersistentProperties result;
-    while (position_ < contents_.size()) {
-        auto name = ReadString();
-        if (!name) {
-            return Error() << "Could not read name: " << name.error();
-        }
-        if (!StartsWith(*name, "persist.")) {
-            return Error() << "Property '" << *name << "' does not starts with 'persist.'";
-        }
-        auto value = ReadString();
-        if (!value) {
-            return Error() << "Could not read value: " << value.error();
-        }
-        AddPersistentProperty(*name, *value, &result);
-    }
-
-    return result;
-}
-
-Result<std::string> PersistentPropertyFileParser::ReadString() {
-    auto string_length = ReadUint32();
-    if (!string_length) {
-        return Error() << "Could not read size for string";
-    }
-
-    if (position_ + *string_length > contents_.size()) {
-        return Error() << "String size would cause it to overflow the input buffer";
-    }
-    auto result = std::string(contents_, position_, *string_length);
-    position_ += *string_length;
-    return result;
-}
-
-Result<uint32_t> PersistentPropertyFileParser::ReadUint32() {
-    if (position_ + 3 > contents_.size()) {
-        return Error() << "Input buffer not large enough to read uint32_t";
-    }
-    uint32_t result = *reinterpret_cast<const uint32_t*>(&contents_[position_]);
-    position_ += sizeof(uint32_t);
-    return result;
-}
-
 Result<std::string> ReadPersistentPropertyFile() {
     const std::string temp_filename = persistent_property_filename + ".tmp";
     if (access(temp_filename.c_str(), F_OK) == 0) {
@@ -240,24 +160,13 @@
     auto file_contents = ReadPersistentPropertyFile();
     if (!file_contents) return file_contents.error();
 
-    // Check the intermediate "I should have used protobufs from the start" format.
-    // TODO: Remove this.
-    auto parsed_contents = PersistentPropertyFileParser(*file_contents).Parse();
-    if (parsed_contents) {
-        LOG(INFO) << "Intermediate format persistent property file found, converting to protobuf";
-
-        // Update to the protobuf format
-        WritePersistentPropertyFile(*parsed_contents);
-        return parsed_contents;
-    }
-
     PersistentProperties persistent_properties;
     if (persistent_properties.ParseFromString(*file_contents)) return persistent_properties;
 
     // If the file cannot be parsed in either format, then we don't have any recovery
     // mechanisms, so we delete it to allow for future writes to take place successfully.
     unlink(persistent_property_filename.c_str());
-    return Error() << "Unable to parse persistent property file: " << parsed_contents.error();
+    return Error() << "Unable to parse persistent property file: Could not parse protobuf";
 }
 
 Result<Success> WritePersistentPropertyFile(const PersistentProperties& persistent_properties) {
@@ -288,25 +197,24 @@
 // Persistent properties are not written often, so we rather not keep any data in memory and read
 // then rewrite the persistent property file for each update.
 void WritePersistentProperty(const std::string& name, const std::string& value) {
-    auto file_contents = ReadPersistentPropertyFile();
-    PersistentProperties persistent_properties;
+    auto persistent_properties = LoadPersistentPropertyFile();
 
-    if (!file_contents || !persistent_properties.ParseFromString(*file_contents)) {
+    if (!persistent_properties) {
         LOG(ERROR) << "Recovering persistent properties from memory: "
-                   << (!file_contents ? file_contents.error_string() : "Could not parse protobuf");
+                   << persistent_properties.error();
         persistent_properties = LoadPersistentPropertiesFromMemory();
     }
-    auto it = std::find_if(persistent_properties.mutable_properties()->begin(),
-                           persistent_properties.mutable_properties()->end(),
+    auto it = std::find_if(persistent_properties->mutable_properties()->begin(),
+                           persistent_properties->mutable_properties()->end(),
                            [&name](const auto& record) { return record.name() == name; });
-    if (it != persistent_properties.mutable_properties()->end()) {
+    if (it != persistent_properties->mutable_properties()->end()) {
         it->set_name(name);
         it->set_value(value);
     } else {
-        AddPersistentProperty(name, value, &persistent_properties);
+        AddPersistentProperty(name, value, &persistent_properties.value());
     }
 
-    if (auto result = WritePersistentPropertyFile(persistent_properties); !result) {
+    if (auto result = WritePersistentPropertyFile(*persistent_properties); !result) {
         LOG(ERROR) << "Could not store persistent property: " << result.error();
     }
 }
diff --git a/libcutils/fs_config.cpp b/libcutils/fs_config.cpp
index 1185040..bab095e 100644
--- a/libcutils/fs_config.cpp
+++ b/libcutils/fs_config.cpp
@@ -80,7 +80,6 @@
     { 00775, AID_ROOT,         AID_ROOT,         0, "data/preloads" },
     { 00771, AID_SYSTEM,       AID_SYSTEM,       0, "data" },
     { 00755, AID_ROOT,         AID_SYSTEM,       0, "mnt" },
-    { 00755, AID_ROOT,         AID_ROOT,         0, "root" },
     { 00750, AID_ROOT,         AID_SHELL,        0, "sbin" },
     { 00777, AID_ROOT,         AID_ROOT,         0, "sdcard" },
     { 00751, AID_ROOT,         AID_SDCARD_R,     0, "storage" },
diff --git a/libsparse/Android.bp b/libsparse/Android.bp
index 6ec0991..b894656 100644
--- a/libsparse/Android.bp
+++ b/libsparse/Android.bp
@@ -15,19 +15,11 @@
     cflags: ["-Werror"],
     local_include_dirs: ["include"],
     export_include_dirs: ["include"],
+    shared_libs: [
+        "libz",
+        "libbase",
+    ],
     target: {
-        host: {
-            shared_libs: [
-                "libz-host",
-                "libbase",
-            ],
-        },
-        android: {
-            shared_libs: [
-                "libz",
-                "libbase",
-            ],
-        },
         windows: {
             enabled: true,
         },
diff --git a/libziparchive/Android.bp b/libziparchive/Android.bp
index f395c74..e3faee3 100644
--- a/libziparchive/Android.bp
+++ b/libziparchive/Android.bp
@@ -69,11 +69,11 @@
     shared_libs: [
         "liblog",
         "libbase",
+        "libz",
     ],
     target: {
         android: {
             shared_libs: [
-                "libz",
                 "libutils",
             ],
         },
@@ -81,18 +81,8 @@
             static_libs: ["libutils"],
         },
         linux_bionic: {
-            static_libs: ["libz"],
             enabled: true,
         },
-        linux: {
-            shared_libs: ["libz-host"],
-        },
-        darwin: {
-            shared_libs: ["libz-host"],
-        },
-        windows: {
-            shared_libs: ["libz-host"],
-        },
     },
 }
 
@@ -105,7 +95,7 @@
         "libziparchive_defaults",
         "libziparchive_flags",
     ],
-    shared_libs: ["libz-host"],
+    shared_libs: ["libz"],
     static_libs: ["libutils"],
 }
 
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 48a46c6..e199ed4 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -127,7 +127,7 @@
 #
 # create some directories (some are mount points) and symlinks
 LOCAL_POST_INSTALL_CMD := mkdir -p $(addprefix $(TARGET_ROOT_OUT)/, \
-    sbin dev proc sys system data oem acct config storage mnt root $(BOARD_ROOT_EXTRA_FOLDERS)); \
+    sbin dev proc sys system data oem acct config storage mnt $(BOARD_ROOT_EXTRA_FOLDERS)); \
     ln -sf /system/etc $(TARGET_ROOT_OUT)/etc; \
     ln -sf /data/user_de/0/com.android.shell/files/bugreports $(TARGET_ROOT_OUT)/bugreports; \
     ln -sf /sys/kernel/debug $(TARGET_ROOT_OUT)/d; \