Merge "ueventd: fixup ueventd_test.cpp" am: 9aaf66b61f am: 34d4d57b87 am: 5d256bc555
am: 5b1202976e

Change-Id: Icf00ff2e4f9a949900ab6b71bba89c3815c4b5d2
diff --git a/fastboot/Android.mk b/fastboot/Android.mk
index 80def73..dd8bad9 100644
--- a/fastboot/Android.mk
+++ b/fastboot/Android.mk
@@ -40,6 +40,7 @@
 LOCAL_MODULE_TAGS := debug
 LOCAL_MODULE_HOST_OS := darwin linux windows
 LOCAL_CFLAGS += -Wall -Wextra -Werror -Wunreachable-code
+LOCAL_REQUIRED_MODULES := mke2fs e2fsdroid
 
 LOCAL_SRC_FILES_linux := usb_linux.cpp
 LOCAL_STATIC_LIBRARIES_linux := libselinux
@@ -85,6 +86,8 @@
 include $(BUILD_HOST_EXECUTABLE)
 
 my_dist_files := $(LOCAL_BUILT_MODULE)
+my_dist_files += $(HOST_OUT_EXECUTABLES)/mke2fs$(HOST_EXECUTABLE_SUFFIX)
+my_dist_files += $(HOST_OUT_EXECUTABLES)/e2fsdroid$(HOST_EXECUTABLE_SUFFIX)
 ifeq ($(HOST_OS),linux)
 my_dist_files += $(HOST_LIBRARY_PATH)/libf2fs_fmt_host_dyn$(HOST_SHLIB_SUFFIX)
 endif
diff --git a/fastboot/fs.cpp b/fastboot/fs.cpp
index 99ca7dd..f3c000e 100644
--- a/fastboot/fs.cpp
+++ b/fastboot/fs.cpp
@@ -10,14 +10,22 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
+#ifndef WIN32
+#include <sys/wait.h>
+#endif
 #include <unistd.h>
+#include <vector>
 
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
 #include <ext4_utils/make_ext4fs.h>
 #include <sparse/sparse.h>
 
+using android::base::StringPrintf;
 using android::base::unique_fd;
 
+#ifdef WIN32
 static int generate_ext4_image(const char* fileName, long long partSize, const std::string& initial_dir,
                                        unsigned eraseBlkSize, unsigned logicalBlkSize)
 {
@@ -34,6 +42,84 @@
     }
     return 0;
 }
+#else
+static int exec_e2fs_cmd(const char* path, char* const argv[]) {
+    int status;
+    pid_t child;
+    if ((child = fork()) == 0) {
+        setenv("MKE2FS_CONFIG", "", 1);
+        execvp(path, argv);
+        _exit(EXIT_FAILURE);
+    }
+    if (child < 0) {
+        fprintf(stderr, "%s failed with fork %s\n", path, strerror(errno));
+        return -1;
+    }
+    if (TEMP_FAILURE_RETRY(waitpid(child, &status, 0)) == -1) {
+        fprintf(stderr, "%s failed with waitpid %s\n", path, strerror(errno));
+        return -1;
+    }
+    int ret = -1;
+    if (WIFEXITED(status)) {
+        ret = WEXITSTATUS(status);
+        if (ret != 0) {
+            fprintf(stderr, "%s failed with status %d\n", path, ret);
+        }
+    }
+    return ret;
+}
+
+static int generate_ext4_image(const char* fileName, long long partSize,
+                               const std::string& initial_dir, unsigned eraseBlkSize,
+                               unsigned logicalBlkSize) {
+    static constexpr int block_size = 4096;
+    const std::string exec_dir = android::base::GetExecutableDirectory();
+
+    const std::string mke2fs_path = exec_dir + "/mke2fs";
+    std::vector<const char*> mke2fs_args = {mke2fs_path.c_str(), "-t", "ext4", "-b"};
+
+    std::string block_size_str = std::to_string(block_size);
+    mke2fs_args.push_back(block_size_str.c_str());
+
+    std::string ext_attr = "android_sparse";
+    if (eraseBlkSize != 0 && logicalBlkSize != 0) {
+        int raid_stride = logicalBlkSize / block_size;
+        int raid_stripe_width = eraseBlkSize / block_size;
+        // stride should be the max of 8kb and logical block size
+        if (logicalBlkSize != 0 && logicalBlkSize < 8192) raid_stride = 8192 / block_size;
+        ext_attr += StringPrintf(",stride=%d,stripe-width=%d", raid_stride, raid_stripe_width);
+    }
+    mke2fs_args.push_back("-E");
+    mke2fs_args.push_back(ext_attr.c_str());
+    mke2fs_args.push_back(fileName);
+
+    std::string size_str = std::to_string(partSize / block_size);
+    mke2fs_args.push_back(size_str.c_str());
+    mke2fs_args.push_back(nullptr);
+
+    int ret = exec_e2fs_cmd(mke2fs_args[0], const_cast<char**>(mke2fs_args.data()));
+    if (ret != 0) {
+        fprintf(stderr, "mke2fs failed: %d\n", ret);
+        return -1;
+    }
+
+    if (initial_dir.empty()) {
+        return 0;
+    }
+
+    const std::string e2fsdroid_path = exec_dir + "/e2fsdroid";
+    std::vector<const char*> e2fsdroid_args = {e2fsdroid_path.c_str(), "-f", initial_dir.c_str(),
+                                               fileName, nullptr};
+
+    ret = exec_e2fs_cmd(e2fsdroid_args[0], const_cast<char**>(e2fsdroid_args.data()));
+    if (ret != 0) {
+        fprintf(stderr, "e2fsdroid failed: %d\n", ret);
+        return -1;
+    }
+
+    return 0;
+}
+#endif
 
 #ifdef USE_F2FS
 static int generate_f2fs_image(const char* fileName, long long partSize, const std::string& initial_dir,
diff --git a/fs_mgr/Android.mk b/fs_mgr/Android.mk
index f3ca724..9249343 100644
--- a/fs_mgr/Android.mk
+++ b/fs_mgr/Android.mk
@@ -21,6 +21,7 @@
 LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
 LOCAL_MODULE:= fs_mgr
 LOCAL_MODULE_TAGS := optional
+LOCAL_REQUIRED_MODULES := mke2fs mke2fs.conf e2fsdroid
 LOCAL_FORCE_STATIC_EXECUTABLE := true
 LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)/sbin
 LOCAL_UNSTRIPPED_PATH := $(TARGET_ROOT_OUT_UNSTRIPPED)
diff --git a/fs_mgr/fs_mgr_format.cpp b/fs_mgr/fs_mgr_format.cpp
index a03d92c..fc88217 100644
--- a/fs_mgr/fs_mgr_format.cpp
+++ b/fs_mgr/fs_mgr_format.cpp
@@ -24,21 +24,16 @@
 #include <cutils/partition_utils.h>
 #include <sys/mount.h>
 
-#include <ext4_utils/ext4_utils.h>
 #include <ext4_utils/ext4.h>
-#include <ext4_utils/make_ext4fs.h>
-#include <selinux/selinux.h>
-#include <selinux/label.h>
+#include <ext4_utils/ext4_utils.h>
+#include <logwrap/logwrap.h>
 #include <selinux/android.h>
+#include <selinux/label.h>
+#include <selinux/selinux.h>
 
 #include "fs_mgr_priv.h"
 #include "cryptfs.h"
 
-extern "C" {
-extern struct fs_info info;     /* magic global from ext4_utils */
-extern void reset_ext4fs_info();
-}
-
 static int format_ext4(char *fs_blkdev, char *fs_mnt_point, bool crypt_footer)
 {
     uint64_t dev_sz;
@@ -55,30 +50,36 @@
         return -1;
     }
 
-    struct selabel_handle *sehandle = selinux_android_file_context_handle();
-    if (!sehandle) {
-        /* libselinux logs specific error */
-        LERROR << "Cannot initialize android file_contexts";
-        close(fd);
-        return -1;
-    }
-
-    /* Format the partition using the calculated length */
-    reset_ext4fs_info();
-    info.len = (off64_t)dev_sz;
-    if (crypt_footer) {
-        info.len -= CRYPT_FOOTER_OFFSET;
-    }
-
-    /* Use make_ext4fs_internal to avoid wiping an already-wiped partition. */
-    rc = make_ext4fs_internal(fd, NULL, NULL, fs_mnt_point, 0, 0, 0, 0, 0, 0, sehandle, 0, 0, NULL, NULL, NULL);
-    if (rc) {
-        LERROR << "make_ext4fs returned " << rc;
-    }
     close(fd);
 
-    if (sehandle) {
-        selabel_close(sehandle);
+    /* Format the partition using the calculated length */
+    if (crypt_footer) {
+        dev_sz -= CRYPT_FOOTER_OFFSET;
+    }
+
+    std::string size_str = std::to_string(dev_sz / 4096);
+    const char* const mke2fs_args[] = {
+        "/system/bin/mke2fs", "-t", "ext4", "-b", "4096", fs_blkdev, size_str.c_str(), nullptr};
+
+    rc = android_fork_execvp_ext(arraysize(mke2fs_args), const_cast<char**>(mke2fs_args), NULL,
+                                 true, LOG_KLOG, true, nullptr, nullptr, 0);
+    if (rc) {
+        LERROR << "mke2fs returned " << rc;
+        return rc;
+    }
+
+    const char* const e2fsdroid_args[] = {
+        "/system/bin/e2fsdroid",
+        "-e",
+        "-a",
+        fs_mnt_point,
+        fs_blkdev,
+        nullptr};
+
+    rc = android_fork_execvp_ext(arraysize(e2fsdroid_args), const_cast<char**>(e2fsdroid_args),
+                                 NULL, true, LOG_KLOG, true, nullptr, nullptr, 0);
+    if (rc) {
+        LERROR << "e2fsdroid returned " << rc;
     }
 
     return rc;
@@ -86,44 +87,10 @@
 
 static int format_f2fs(char *fs_blkdev)
 {
-    char * args[5];
-    int pid;
-    int rc = 0;
+    const char* const args[] = {"/system/bin/make_f2fs", "-f", "-O encrypt", fs_blkdev, nullptr};
 
-    args[0] = (char *)"/system/bin/make_f2fs";
-    args[1] = (char *)"-f";
-    args[2] = (char *)"-O encrypt";
-    args[3] = fs_blkdev;
-    args[4] = (char *)0;
-
-    pid = fork();
-    if (pid < 0) {
-       return pid;
-    }
-    if (!pid) {
-        /* This doesn't return */
-        execv(args[0], args);
-        exit(1);
-    }
-    for(;;) {
-        pid_t p = waitpid(pid, &rc, 0);
-        if (p != pid) {
-            LERROR << "Error waiting for child process - " << p;
-            rc = -1;
-            break;
-        }
-        if (WIFEXITED(rc)) {
-            rc = WEXITSTATUS(rc);
-            LINFO << args[0] << " done, status " << rc;
-            if (rc) {
-                rc = -1;
-            }
-            break;
-        }
-        LERROR << "Still waiting for " << args[0] << "...";
-    }
-
-    return rc;
+    return android_fork_execvp_ext(arraysize(args), const_cast<char**>(args), NULL, true,
+                                   LOG_KLOG, true, nullptr, nullptr, 0);
 }
 
 int fs_mgr_do_format(struct fstab_rec *fstab, bool crypt_footer)
diff --git a/gatekeeperd/Android.mk b/gatekeeperd/Android.mk
index 0dfd9d8..28f0b07 100644
--- a/gatekeeperd/Android.mk
+++ b/gatekeeperd/Android.mk
@@ -21,8 +21,7 @@
 LOCAL_SRC_FILES := \
 	SoftGateKeeperDevice.cpp \
 	IGateKeeperService.cpp \
-	gatekeeperd.cpp \
-	IUserManager.cpp
+	gatekeeperd.cpp
 
 LOCAL_MODULE := gatekeeperd
 LOCAL_SHARED_LIBRARIES := \
diff --git a/gatekeeperd/IUserManager.cpp b/gatekeeperd/IUserManager.cpp
deleted file mode 100644
index 8167d19..0000000
--- a/gatekeeperd/IUserManager.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-
-#define LOG_TAG "IUserManager"
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/Log.h>
-#include <binder/Parcel.h>
-
-#include "IUserManager.h"
-
-namespace android {
-
-class BpUserManager : public BpInterface<IUserManager>
-{
-public:
-    explicit BpUserManager(const sp<IBinder>& impl) :
-            BpInterface<IUserManager>(impl) {
-    }
-    virtual int32_t getCredentialOwnerProfile(int32_t user_id) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IUserManager::getInterfaceDescriptor());
-        data.writeInt32(user_id);
-        status_t rc = remote()->transact(GET_CREDENTIAL_OWNER_PROFILE, data, &reply, 0);
-        if (rc != NO_ERROR) {
-            ALOGE("%s: failed (%d)\n", __func__, rc);
-            return -1;
-        }
-
-        int32_t exception = reply.readExceptionCode();
-        if (exception != 0) {
-            ALOGE("%s: got exception (%d)\n", __func__, exception);
-            return -1;
-        }
-
-        return reply.readInt32();
-    }
-
-};
-
-IMPLEMENT_META_INTERFACE(UserManager, "android.os.IUserManager");
-
-}; // namespace android
-
diff --git a/gatekeeperd/IUserManager.h b/gatekeeperd/IUserManager.h
deleted file mode 100644
index 640e9b5..0000000
--- a/gatekeeperd/IUserManager.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2015 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.
- */
-
-#ifndef IUSERMANAGER_H_
-#define IUSERMANAGER_H_
-
-#include <inttypes.h>
-#include <utils/Errors.h>
-#include <binder/IInterface.h>
-#include <binder/Parcel.h>
-#include <utils/Vector.h>
-
-namespace android {
-
-/*
-* Communication channel to UserManager
-*/
-class IUserManager : public IInterface {
-    public:
-        // must be kept in sync with IUserManager.aidl
-        enum {
-            GET_CREDENTIAL_OWNER_PROFILE = IBinder::FIRST_CALL_TRANSACTION + 0,
-        };
-
-        virtual int32_t getCredentialOwnerProfile(int32_t user_id) = 0;
-
-        DECLARE_META_INTERFACE(UserManager);
-};
-
-}; // namespace android
-
-#endif // IUSERMANAGER_H_
-
diff --git a/gatekeeperd/gatekeeperd.cpp b/gatekeeperd/gatekeeperd.cpp
index c6369f9..184c6d2 100644
--- a/gatekeeperd/gatekeeperd.cpp
+++ b/gatekeeperd/gatekeeperd.cpp
@@ -37,7 +37,6 @@
 #include <utils/String16.h>
 
 #include "SoftGateKeeperDevice.h"
-#include "IUserManager.h"
 
 #include <hidl/HidlSupport.h>
 #include <android/hardware/gatekeeper/1.0/IGatekeeper.h>
@@ -334,23 +333,7 @@
         return ret;
     }
 
-    virtual uint64_t getSecureUserId(uint32_t uid) {
-        uint64_t sid = read_sid(uid);
-         if (sid == 0) {
-            // might be a work profile, look up the parent
-            sp<IServiceManager> sm = defaultServiceManager();
-            sp<IBinder> binder = sm->getService(String16("user"));
-            sp<IUserManager> um = interface_cast<IUserManager>(binder);
-            int32_t parent = um->getCredentialOwnerProfile(uid);
-            if (parent < 0) {
-                return 0;
-            } else if (parent != (int32_t) uid) {
-                return read_sid(parent);
-            }
-        }
-        return sid;
-
-    }
+    virtual uint64_t getSecureUserId(uint32_t uid) { return read_sid(uid); }
 
     virtual void clearSecureUserId(uint32_t uid) {
         IPCThreadState* ipc = IPCThreadState::self();
diff --git a/healthd/Android.bp b/healthd/Android.bp
new file mode 100644
index 0000000..56f5148
--- /dev/null
+++ b/healthd/Android.bp
@@ -0,0 +1,7 @@
+cc_library_headers {
+    name: "libhealthd_headers",
+    vendor_available: true,
+    export_include_dirs: ["include"],
+    header_libs: ["libbatteryservice_headers"],
+    export_header_lib_headers: ["libbatteryservice_headers"],
+}
diff --git a/healthd/Android.mk b/healthd/Android.mk
index 8b59964..6b14289 100644
--- a/healthd/Android.mk
+++ b/healthd/Android.mk
@@ -33,6 +33,30 @@
 
 include $(CLEAR_VARS)
 
+LOCAL_MODULE := libhealthd_draw
+
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
+LOCAL_STATIC_LIBRARIES := \
+	libminui \
+	libbase
+LOCAL_SRC_FILES := healthd_draw.cpp
+
+ifneq ($(TARGET_HEALTHD_DRAW_SPLIT_SCREEN),)
+LOCAL_CFLAGS += -DHEALTHD_DRAW_SPLIT_SCREEN=$(TARGET_HEALTHD_DRAW_SPLIT_SCREEN)
+else
+LOCAL_CFLAGS += -DHEALTHD_DRAW_SPLIT_SCREEN=0
+endif
+
+ifneq ($(TARGET_HEALTHD_DRAW_SPLIT_OFFSET),)
+LOCAL_CFLAGS += -DHEALTHD_DRAW_SPLIT_OFFSET=$(TARGET_HEALTHD_DRAW_SPLIT_OFFSET)
+else
+LOCAL_CFLAGS += -DHEALTHD_DRAW_SPLIT_OFFSET=0
+endif
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
 LOCAL_CFLAGS := -Werror
 ifeq ($(strip $(BOARD_CHARGER_DISABLE_INIT_BLANK)),true)
 LOCAL_CFLAGS += -DCHARGER_DISABLE_INIT_BLANK
@@ -58,6 +82,7 @@
     libutils \
     libbase \
     libcutils \
+    libhealthd_draw \
     liblog \
     libm \
     libc \
@@ -101,6 +126,7 @@
 
 LOCAL_STATIC_LIBRARIES := \
     libhealthd_charger \
+    libhealthd_draw \
     libbatterymonitor \
     libbase \
     libutils \
diff --git a/healthd/healthd_draw.cpp b/healthd/healthd_draw.cpp
new file mode 100644
index 0000000..ea3d991
--- /dev/null
+++ b/healthd/healthd_draw.cpp
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#include <android-base/stringprintf.h>
+#include <batteryservice/BatteryService.h>
+#include <cutils/klog.h>
+
+#include "healthd_draw.h"
+
+#define LOGE(x...) KLOG_ERROR("charger", x);
+#define LOGV(x...) KLOG_DEBUG("charger", x);
+
+HealthdDraw::HealthdDraw(animation* anim)
+  : kSplitScreen(HEALTHD_DRAW_SPLIT_SCREEN),
+    kSplitOffset(HEALTHD_DRAW_SPLIT_OFFSET) {
+  gr_init();
+  gr_font_size(gr_sys_font(), &char_width_, &char_height_);
+
+  screen_width_ = gr_fb_width() / (kSplitScreen ? 2 : 1);
+  screen_height_ = gr_fb_height();
+
+  int res;
+  if (!anim->text_clock.font_file.empty() &&
+      (res = gr_init_font(anim->text_clock.font_file.c_str(),
+                          &anim->text_clock.font)) < 0) {
+    LOGE("Could not load time font (%d)\n", res);
+  }
+  if (!anim->text_percent.font_file.empty() &&
+      (res = gr_init_font(anim->text_percent.font_file.c_str(),
+                          &anim->text_percent.font)) < 0) {
+    LOGE("Could not load percent font (%d)\n", res);
+  }
+}
+
+HealthdDraw::~HealthdDraw() {}
+
+void HealthdDraw::redraw_screen(const animation* batt_anim, GRSurface* surf_unknown) {
+  clear_screen();
+
+  /* try to display *something* */
+  if (batt_anim->cur_level < 0 || batt_anim->num_frames == 0)
+    draw_unknown(surf_unknown);
+  else
+    draw_battery(batt_anim);
+  gr_flip();
+}
+
+void HealthdDraw::blank_screen(bool blank) { gr_fb_blank(blank); }
+
+void HealthdDraw::clear_screen(void) {
+  gr_color(0, 0, 0, 255);
+  gr_clear();
+}
+
+int HealthdDraw::draw_surface_centered(GRSurface* surface) {
+  int w = gr_get_width(surface);
+  int h = gr_get_height(surface);
+  int x = (screen_width_ - w) / 2 + kSplitOffset;
+  int y = (screen_height_ - h) / 2;
+
+  LOGV("drawing surface %dx%d+%d+%d\n", w, h, x, y);
+  gr_blit(surface, 0, 0, w, h, x, y);
+  if (kSplitScreen) {
+    x += screen_width_ - 2 * kSplitOffset;
+    LOGV("drawing surface %dx%d+%d+%d\n", w, h, x, y);
+    gr_blit(surface, 0, 0, w, h, x, y);
+  }
+
+  return y + h;
+}
+
+int HealthdDraw::draw_text(const GRFont* font, int x, int y, const char* str) {
+  int str_len_px = gr_measure(font, str);
+
+  if (x < 0) x = (screen_width_ - str_len_px) / 2;
+  if (y < 0) y = (screen_height_ - char_height_) / 2;
+  gr_text(font, x + kSplitOffset, y, str, false /* bold */);
+  if (kSplitScreen)
+    gr_text(font, x - kSplitOffset + screen_width_, y, str, false /* bold */);
+
+  return y + char_height_;
+}
+
+void HealthdDraw::determine_xy(const animation::text_field& field,
+                               const int length, int* x, int* y) {
+  *x = field.pos_x;
+
+  int str_len_px = length * field.font->char_width;
+  if (field.pos_x == CENTER_VAL) {
+    *x = (screen_width_ - str_len_px) / 2;
+  } else if (field.pos_x >= 0) {
+    *x = field.pos_x;
+  } else {  // position from max edge
+    *x = screen_width_ + field.pos_x - str_len_px - kSplitOffset;
+  }
+
+  *y = field.pos_y;
+
+  if (field.pos_y == CENTER_VAL) {
+    *y = (screen_height_ - field.font->char_height) / 2;
+  } else if (field.pos_y >= 0) {
+    *y = field.pos_y;
+  } else {  // position from max edge
+    *y = screen_height_ + field.pos_y - field.font->char_height;
+  }
+}
+
+void HealthdDraw::draw_clock(const animation* anim) {
+  static constexpr char CLOCK_FORMAT[] = "%H:%M";
+  static constexpr int CLOCK_LENGTH = 6;
+
+  const animation::text_field& field = anim->text_clock;
+
+  if (field.font == nullptr || field.font->char_width == 0 ||
+      field.font->char_height == 0)
+    return;
+
+  time_t rawtime;
+  time(&rawtime);
+  tm* time_info = localtime(&rawtime);
+
+  char clock_str[CLOCK_LENGTH];
+  size_t length = strftime(clock_str, CLOCK_LENGTH, CLOCK_FORMAT, time_info);
+  if (length != CLOCK_LENGTH - 1) {
+    LOGE("Could not format time\n");
+    return;
+  }
+
+  int x, y;
+  determine_xy(field, length, &x, &y);
+
+  LOGV("drawing clock %s %d %d\n", clock_str, x, y);
+  gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
+  draw_text(field.font, x, y, clock_str);
+}
+
+void HealthdDraw::draw_percent(const animation* anim) {
+  int cur_level = anim->cur_level;
+  if (anim->cur_status == BATTERY_STATUS_FULL) {
+    cur_level = 100;
+  }
+
+  if (cur_level <= 0) return;
+
+  const animation::text_field& field = anim->text_percent;
+  if (field.font == nullptr || field.font->char_width == 0 ||
+      field.font->char_height == 0) {
+    return;
+  }
+
+  std::string str = base::StringPrintf("%d%%", cur_level);
+
+  int x, y;
+  determine_xy(field, str.size(), &x, &y);
+
+  LOGV("drawing percent %s %d %d\n", str.c_str(), x, y);
+  gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
+  draw_text(field.font, x, y, str.c_str());
+}
+
+void HealthdDraw::draw_battery(const animation* anim) {
+  const animation::frame& frame = anim->frames[anim->cur_frame];
+
+  if (anim->num_frames != 0) {
+    draw_surface_centered(frame.surface);
+    LOGV("drawing frame #%d min_cap=%d time=%d\n", anim->cur_frame,
+         frame.min_level, frame.disp_time);
+  }
+  draw_clock(anim);
+  draw_percent(anim);
+}
+
+void HealthdDraw::draw_unknown(GRSurface* surf_unknown) {
+  int y;
+  if (surf_unknown) {
+    draw_surface_centered(surf_unknown);
+  } else {
+    gr_color(0xa4, 0xc6, 0x39, 255);
+    y = draw_text(gr_sys_font(), -1, -1, "Charging!");
+    draw_text(gr_sys_font(), -1, y + 25, "?\?/100");
+  }
+}
diff --git a/healthd/healthd_draw.h b/healthd/healthd_draw.h
new file mode 100644
index 0000000..6a6ba76
--- /dev/null
+++ b/healthd/healthd_draw.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#ifndef HEALTHD_DRAW_H
+#define HEALTHD_DRAW_H
+
+#include <linux/input.h>
+#include <minui/minui.h>
+
+#include "animation.h"
+
+using namespace android;
+
+class HealthdDraw {
+ public:
+  // Configures font using given animation.
+  HealthdDraw(animation* anim);
+  virtual ~HealthdDraw();
+
+  // Redraws screen.
+  void redraw_screen(const animation* batt_anim, GRSurface* surf_unknown);
+
+  // Blanks screen if true, unblanks if false.
+  virtual void blank_screen(bool blank);
+
+ protected:
+  virtual void clear_screen();
+
+  // returns the last y-offset of where the surface ends.
+  virtual int draw_surface_centered(GRSurface* surface);
+  // Negative x or y coordinates center text.
+  virtual int draw_text(const GRFont* font, int x, int y, const char* str);
+
+  // Negative x or y coordinates position the text away from the opposite edge
+  // that positive ones do.
+  virtual void determine_xy(const animation::text_field& field,
+                            const int length, int* x, int* y);
+
+  // Draws battery animation, if it exists.
+  virtual void draw_battery(const animation* anim);
+  // Draws clock text, if animation contains text_field data.
+  virtual void draw_clock(const animation* anim);
+  // Draws battery percentage text if animation contains text_field data.
+  virtual void draw_percent(const animation* anim);
+  // Draws charger->surf_unknown or basic text.
+  virtual void draw_unknown(GRSurface* surf_unknown);
+
+  // Pixel sizes of characters for default font.
+  int char_width_;
+  int char_height_;
+
+  // Width and height of screen in pixels.
+  int screen_width_;
+  int screen_height_;
+
+  // Device screen is split vertically.
+  const bool kSplitScreen;
+  // Pixels to offset graphics towards center split.
+  const int kSplitOffset;
+};
+
+#endif  // HEALTHD_DRAW_H
diff --git a/healthd/healthd_mode_charger.cpp b/healthd/healthd_mode_charger.cpp
index c76762d..6c6d738 100644
--- a/healthd/healthd_mode_charger.cpp
+++ b/healthd/healthd_mode_charger.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011-2013 The Android Open Source Project
+ * Copyright (C) 2011-2017 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.
@@ -18,7 +18,6 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <inttypes.h>
-#include <linux/input.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -34,56 +33,54 @@
 
 #include <android-base/file.h>
 #include <android-base/macros.h>
-#include <android-base/stringprintf.h>
 
-#include <sys/socket.h>
 #include <linux/netlink.h>
+#include <sys/socket.h>
 
-#include <batteryservice/BatteryService.h>
 #include <cutils/klog.h>
 #include <cutils/misc.h>
-#include <cutils/uevent.h>
 #include <cutils/properties.h>
-#include <minui/minui.h>
+#include <cutils/uevent.h>
 #include <sys/reboot.h>
 
 #ifdef CHARGER_ENABLE_SUSPEND
 #include <suspend/autosuspend.h>
 #endif
 
-#include "animation.h"
 #include "AnimationParser.h"
+#include "healthd_draw.h"
 
 #include <healthd/healthd.h>
 
 using namespace android;
 
-char *locale;
+char* locale;
 
 #ifndef max
-#define max(a,b) ((a) > (b) ? (a) : (b))
+#define max(a, b) ((a) > (b) ? (a) : (b))
 #endif
 
 #ifndef min
-#define min(a,b) ((a) < (b) ? (a) : (b))
+#define min(a, b) ((a) < (b) ? (a) : (b))
 #endif
 
-#define ARRAY_SIZE(x)           (sizeof(x)/sizeof((x)[0]))
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 
-#define MSEC_PER_SEC            (1000LL)
-#define NSEC_PER_MSEC           (1000000LL)
+#define MSEC_PER_SEC (1000LL)
+#define NSEC_PER_MSEC (1000000LL)
 
-#define BATTERY_UNKNOWN_TIME    (2 * MSEC_PER_SEC)
-#define POWER_ON_KEY_TIME       (2 * MSEC_PER_SEC)
+#define BATTERY_UNKNOWN_TIME (2 * MSEC_PER_SEC)
+#define POWER_ON_KEY_TIME (2 * MSEC_PER_SEC)
 #define UNPLUGGED_SHUTDOWN_TIME (10 * MSEC_PER_SEC)
 
-#define LAST_KMSG_MAX_SZ        (32 * 1024)
+#define LAST_KMSG_MAX_SZ (32 * 1024)
 
-#define LOGE(x...) do { KLOG_ERROR("charger", x); } while (0)
-#define LOGW(x...) do { KLOG_WARNING("charger", x); } while (0)
-#define LOGV(x...) do { KLOG_DEBUG("charger", x); } while (0)
+#define LOGE(x...) KLOG_ERROR("charger", x);
+#define LOGW(x...) KLOG_WARNING("charger", x);
+#define LOGV(x...) KLOG_DEBUG("charger", x);
 
-static constexpr const char* animation_desc_path = "/res/values/charger/animation.txt";
+static constexpr const char* animation_desc_path =
+    "/res/values/charger/animation.txt";
 
 struct key_state {
     bool pending;
@@ -98,34 +95,36 @@
     int64_t next_key_check;
     int64_t next_pwr_check;
 
-    struct key_state keys[KEY_MAX + 1];
+    key_state keys[KEY_MAX + 1];
 
-    struct animation *batt_anim;
+    animation* batt_anim;
     GRSurface* surf_unknown;
     int boot_min_cap;
 };
 
-static const struct animation BASE_ANIMATION = {
-    .text_clock = {
-        .pos_x = 0,
-        .pos_y = 0,
+static const animation BASE_ANIMATION = {
+    .text_clock =
+        {
+            .pos_x = 0,
+            .pos_y = 0,
 
-        .color_r = 255,
-        .color_g = 255,
-        .color_b = 255,
-        .color_a = 255,
+            .color_r = 255,
+            .color_g = 255,
+            .color_b = 255,
+            .color_a = 255,
 
-        .font = nullptr,
-    },
-    .text_percent = {
-        .pos_x = 0,
-        .pos_y = 0,
+            .font = nullptr,
+        },
+    .text_percent =
+        {
+            .pos_x = 0,
+            .pos_y = 0,
 
-        .color_r = 255,
-        .color_g = 255,
-        .color_b = 255,
-        .color_a = 255,
-    },
+            .color_r = 255,
+            .color_g = 255,
+            .color_b = 255,
+            .color_a = 255,
+        },
 
     .run = false,
 
@@ -141,8 +140,7 @@
     .cur_status = BATTERY_STATUS_UNKNOWN,
 };
 
-
-static struct animation::frame default_animation_frames[] = {
+static animation::frame default_animation_frames[] = {
     {
         .disp_time = 750,
         .min_level = 0,
@@ -181,35 +179,25 @@
     },
 };
 
-static struct animation battery_animation = BASE_ANIMATION;
+static animation battery_animation = BASE_ANIMATION;
 
-static struct charger charger_state;
-static struct healthd_config *healthd_config;
-static struct android::BatteryProperties *batt_prop;
-static int char_width;
-static int char_height;
-static bool minui_inited;
+static charger charger_state;
+static healthd_config* healthd_config;
+static android::BatteryProperties* batt_prop;
+static std::unique_ptr<HealthdDraw> healthd_draw;
 
 /* current time in milliseconds */
-static int64_t curr_time_ms(void)
-{
-    struct timespec tm;
+static int64_t curr_time_ms() {
+    timespec tm;
     clock_gettime(CLOCK_MONOTONIC, &tm);
     return tm.tv_sec * MSEC_PER_SEC + (tm.tv_nsec / NSEC_PER_MSEC);
 }
 
-static void clear_screen(void)
-{
-    gr_color(0, 0, 0, 255);
-    gr_clear();
-}
-
 #define MAX_KLOG_WRITE_BUF_SZ 256
 
-static void dump_last_kmsg(void)
-{
-    char *buf;
-    char *ptr;
+static void dump_last_kmsg(void) {
+    char* buf;
+    char* ptr;
     unsigned sz = 0;
     int len;
 
@@ -239,11 +227,10 @@
     while (len > 0) {
         int cnt = min(len, MAX_KLOG_WRITE_BUF_SZ);
         char yoink;
-        char *nl;
+        char* nl;
 
-        nl = (char *)memrchr(ptr, '\n', cnt - 1);
-        if (nl)
-            cnt = nl - ptr + 1;
+        nl = (char*)memrchr(ptr, '\n', cnt - 1);
+        if (nl) cnt = nl - ptr + 1;
 
         yoink = ptr[cnt];
         ptr[cnt] = '\0';
@@ -263,241 +250,59 @@
 }
 
 #ifdef CHARGER_ENABLE_SUSPEND
-static int request_suspend(bool enable)
-{
+static int request_suspend(bool enable) {
     if (enable)
         return autosuspend_enable();
     else
         return autosuspend_disable();
 }
 #else
-static int request_suspend(bool /*enable*/)
-{
+static int request_suspend(bool /*enable*/) {
     return 0;
 }
 #endif
 
-static int draw_text(const char *str, int x, int y)
-{
-    int str_len_px = gr_measure(gr_sys_font(), str);
-
-    if (x < 0)
-        x = (gr_fb_width() - str_len_px) / 2;
-    if (y < 0)
-        y = (gr_fb_height() - char_height) / 2;
-    gr_text(gr_sys_font(), x, y, str, 0);
-
-    return y + char_height;
-}
-
-static void android_green(void)
-{
-    gr_color(0xa4, 0xc6, 0x39, 255);
-}
-
-// Negative x or y coordinates position the text away from the opposite edge that positive ones do.
-void determine_xy(const animation::text_field& field, const int length, int* x, int* y)
-{
-    *x = field.pos_x;
-    *y = field.pos_y;
-
-    int str_len_px = length * field.font->char_width;
-    if (field.pos_x == CENTER_VAL) {
-        *x = (gr_fb_width() - str_len_px) / 2;
-    } else if (field.pos_x >= 0) {
-        *x = field.pos_x;
-    } else {  // position from max edge
-        *x = gr_fb_width() + field.pos_x - str_len_px;
-    }
-
-    if (field.pos_y == CENTER_VAL) {
-        *y = (gr_fb_height() - field.font->char_height) / 2;
-    } else if (field.pos_y >= 0) {
-        *y = field.pos_y;
-    } else {  // position from max edge
-        *y = gr_fb_height() + field.pos_y - field.font->char_height;
-    }
-}
-
-static void draw_clock(const animation& anim)
-{
-    static constexpr char CLOCK_FORMAT[] = "%H:%M";
-    static constexpr int CLOCK_LENGTH = 6;
-
-    const animation::text_field& field = anim.text_clock;
-
-    if (field.font == nullptr || field.font->char_width == 0 || field.font->char_height == 0) return;
-
-    time_t rawtime;
-    time(&rawtime);
-    struct tm* time_info = localtime(&rawtime);
-
-    char clock_str[CLOCK_LENGTH];
-    size_t length = strftime(clock_str, CLOCK_LENGTH, CLOCK_FORMAT, time_info);
-    if (length != CLOCK_LENGTH - 1) {
-        LOGE("Could not format time\n");
-        return;
-    }
-
-    int x, y;
-    determine_xy(field, length, &x, &y);
-
-    LOGV("drawing clock %s %d %d\n", clock_str, x, y);
-    gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
-    gr_text(field.font, x, y, clock_str, false);
-}
-
-static void draw_percent(const animation& anim)
-{
-    int cur_level = anim.cur_level;
-    if (anim.cur_status == BATTERY_STATUS_FULL) {
-        cur_level = 100;
-    }
-
-    if (cur_level <= 0) return;
-
-    const animation::text_field& field = anim.text_percent;
-    if (field.font == nullptr || field.font->char_width == 0 || field.font->char_height == 0) {
-        return;
-    }
-
-    std::string str = base::StringPrintf("%d%%", cur_level);
-
-    int x, y;
-    determine_xy(field, str.size(), &x, &y);
-
-    LOGV("drawing percent %s %d %d\n", str.c_str(), x, y);
-    gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
-    gr_text(field.font, x, y, str.c_str(), false);
-}
-
-/* returns the last y-offset of where the surface ends */
-static int draw_surface_centered(GRSurface* surface)
-{
-    int w;
-    int h;
-    int x;
-    int y;
-
-    w = gr_get_width(surface);
-    h = gr_get_height(surface);
-    x = (gr_fb_width() - w) / 2 ;
-    y = (gr_fb_height() - h) / 2 ;
-
-    LOGV("drawing surface %dx%d+%d+%d\n", w, h, x, y);
-    gr_blit(surface, 0, 0, w, h, x, y);
-    return y + h;
-}
-
-static void draw_unknown(struct charger *charger)
-{
-    int y;
-    if (charger->surf_unknown) {
-        draw_surface_centered(charger->surf_unknown);
-    } else {
-        android_green();
-        y = draw_text("Charging!", -1, -1);
-        draw_text("?\?/100", -1, y + 25);
-    }
-}
-
-static void draw_battery(const struct charger* charger)
-{
-    const struct animation& anim = *charger->batt_anim;
-    const struct animation::frame& frame = anim.frames[anim.cur_frame];
-
-    if (anim.num_frames != 0) {
-        draw_surface_centered(frame.surface);
-        LOGV("drawing frame #%d min_cap=%d time=%d\n",
-             anim.cur_frame, frame.min_level,
-             frame.disp_time);
-    }
-    draw_clock(anim);
-    draw_percent(anim);
-}
-
-static void redraw_screen(struct charger *charger)
-{
-    struct animation *batt_anim = charger->batt_anim;
-
-    clear_screen();
-
-    /* try to display *something* */
-    if (batt_anim->cur_level < 0 || batt_anim->num_frames == 0)
-        draw_unknown(charger);
-    else
-        draw_battery(charger);
-    gr_flip();
-}
-
-static void kick_animation(struct animation *anim)
-{
+static void kick_animation(animation* anim) {
     anim->run = true;
 }
 
-static void reset_animation(struct animation *anim)
-{
+static void reset_animation(animation* anim) {
     anim->cur_cycle = 0;
     anim->cur_frame = 0;
     anim->run = false;
 }
 
-static void init_status_display(struct animation* anim)
-{
-    int res;
-
-    if (!anim->text_clock.font_file.empty()) {
-        if ((res =
-                gr_init_font(anim->text_clock.font_file.c_str(), &anim->text_clock.font)) < 0) {
-            LOGE("Could not load time font (%d)\n", res);
-        }
-    }
-
-    if (!anim->text_percent.font_file.empty()) {
-        if ((res =
-                gr_init_font(anim->text_percent.font_file.c_str(), &anim->text_percent.font)) < 0) {
-            LOGE("Could not load percent font (%d)\n", res);
-        }
-    }
-}
-
-static void update_screen_state(struct charger *charger, int64_t now)
-{
-    struct animation *batt_anim = charger->batt_anim;
+static void update_screen_state(charger* charger, int64_t now) {
+    animation* batt_anim = charger->batt_anim;
     int disp_time;
 
     if (!batt_anim->run || now < charger->next_screen_transition) return;
 
-    if (!minui_inited) {
+    if (healthd_draw == nullptr) {
         if (healthd_config && healthd_config->screen_on) {
             if (!healthd_config->screen_on(batt_prop)) {
                 LOGV("[%" PRId64 "] leave screen off\n", now);
                 batt_anim->run = false;
                 charger->next_screen_transition = -1;
-                if (charger->charger_connected)
-                    request_suspend(true);
+                if (charger->charger_connected) request_suspend(true);
                 return;
             }
         }
 
-        gr_init();
-        gr_font_size(gr_sys_font(), &char_width, &char_height);
-        init_status_display(batt_anim);
+        healthd_draw.reset(new HealthdDraw(batt_anim));
 
 #ifndef CHARGER_DISABLE_INIT_BLANK
-        gr_fb_blank(true);
+        healthd_draw->blank_screen(true);
 #endif
-        minui_inited = true;
     }
 
     /* animation is over, blank screen and leave */
     if (batt_anim->num_cycles > 0 && batt_anim->cur_cycle == batt_anim->num_cycles) {
         reset_animation(batt_anim);
         charger->next_screen_transition = -1;
-        gr_fb_blank(true);
+        healthd_draw->blank_screen(true);
         LOGV("[%" PRId64 "] animation done\n", now);
-        if (charger->charger_connected)
-            request_suspend(true);
+        if (charger->charger_connected) request_suspend(true);
         return;
     }
 
@@ -505,7 +310,6 @@
 
     /* animation starting, set up the animation */
     if (batt_anim->cur_frame == 0) {
-
         LOGV("[%" PRId64 "] animation starting\n", now);
         if (batt_prop) {
             batt_anim->cur_level = batt_prop->batteryLevel;
@@ -522,17 +326,16 @@
 
                 // repeat the first frame first_frame_repeats times
                 disp_time = batt_anim->frames[batt_anim->cur_frame].disp_time *
-                    batt_anim->first_frame_repeats;
+                            batt_anim->first_frame_repeats;
             }
         }
     }
 
     /* unblank the screen  on first cycle */
-    if (batt_anim->cur_cycle == 0)
-        gr_fb_blank(false);
+    if (batt_anim->cur_cycle == 0) healthd_draw->blank_screen(false);
 
     /* draw the new frame (@ cur_frame) */
-    redraw_screen(charger);
+    healthd_draw->redraw_screen(charger->batt_anim, charger->surf_unknown);
 
     /* if we don't have anim frames, we only have one image, so just bump
      * the cycle counter and exit
@@ -576,22 +379,18 @@
     }
 }
 
-static int set_key_callback(struct charger *charger, int code, int value)
-{
+static int set_key_callback(charger* charger, int code, int value) {
     int64_t now = curr_time_ms();
     int down = !!value;
 
-    if (code > KEY_MAX)
-        return -1;
+    if (code > KEY_MAX) return -1;
 
     /* ignore events that don't modify our state */
-    if (charger->keys[code].down == down)
-        return 0;
+    if (charger->keys[code].down == down) return 0;
 
     /* only record the down even timestamp, as the amount
      * of time the key spent not being pressed is not useful */
-    if (down)
-        charger->keys[code].timestamp = now;
+    if (down) charger->keys[code].timestamp = now;
     charger->keys[code].down = down;
     charger->keys[code].pending = true;
     if (down) {
@@ -600,34 +399,27 @@
         int64_t duration = now - charger->keys[code].timestamp;
         int64_t secs = duration / 1000;
         int64_t msecs = duration - secs * 1000;
-        LOGV("[%" PRId64 "] key[%d] up (was down for %" PRId64 ".%" PRId64 "sec)\n",
-             now, code, secs, msecs);
+        LOGV("[%" PRId64 "] key[%d] up (was down for %" PRId64 ".%" PRId64 "sec)\n", now, code,
+             secs, msecs);
     }
 
     return 0;
 }
 
-static void update_input_state(struct charger *charger,
-                               struct input_event *ev)
-{
-    if (ev->type != EV_KEY)
-        return;
+static void update_input_state(charger* charger, input_event* ev) {
+    if (ev->type != EV_KEY) return;
     set_key_callback(charger, ev->code, ev->value);
 }
 
-static void set_next_key_check(struct charger *charger,
-                               struct key_state *key,
-                               int64_t timeout)
-{
+static void set_next_key_check(charger* charger, key_state* key, int64_t timeout) {
     int64_t then = key->timestamp + timeout;
 
     if (charger->next_key_check == -1 || then < charger->next_key_check)
         charger->next_key_check = then;
 }
 
-static void process_key(struct charger *charger, int code, int64_t now)
-{
-    struct key_state *key = &charger->keys[code];
+static void process_key(charger* charger, int code, int64_t now) {
+    key_state* key = &charger->keys[code];
 
     if (code == KEY_POWER) {
         if (key->down) {
@@ -644,8 +436,10 @@
                         LOGW("[%" PRId64 "] rebooting\n", now);
                         reboot(RB_AUTOBOOT);
                     } else {
-                        LOGV("[%" PRId64 "] ignore power-button press, battery level "
-                            "less than minimum\n", now);
+                        LOGV("[%" PRId64
+                             "] ignore power-button press, battery level "
+                             "less than minimum\n",
+                             now);
                     }
                 }
             } else {
@@ -654,9 +448,9 @@
                  */
                 set_next_key_check(charger, key, POWER_ON_KEY_TIME);
 
-               /* Turn on the display and kick animation on power-key press
-                * rather than on key release
-                */
+                /* Turn on the display and kick animation on power-key press
+                 * rather than on key release
+                 */
                 kick_animation(charger->batt_anim);
                 request_suspend(false);
             }
@@ -671,21 +465,17 @@
     key->pending = false;
 }
 
-static void handle_input_state(struct charger *charger, int64_t now)
-{
+static void handle_input_state(charger* charger, int64_t now) {
     process_key(charger, KEY_POWER, now);
 
     if (charger->next_key_check != -1 && now > charger->next_key_check)
         charger->next_key_check = -1;
 }
 
-static void handle_power_supply_state(struct charger *charger, int64_t now)
-{
-    if (!charger->have_battery_state)
-        return;
+static void handle_power_supply_state(charger* charger, int64_t now) {
+    if (!charger->have_battery_state) return;
 
     if (!charger->charger_connected) {
-
         /* Last cycle would have stopped at the extreme top of battery-icon
          * Need to show the correct level corresponding to capacity.
          */
@@ -711,9 +501,8 @@
     }
 }
 
-void healthd_mode_charger_heartbeat()
-{
-    struct charger *charger = &charger_state;
+void healthd_mode_charger_heartbeat() {
+    charger* charger = &charger_state;
     int64_t now = curr_time_ms();
 
     handle_input_state(charger, now);
@@ -725,14 +514,11 @@
     update_screen_state(charger, now);
 }
 
-void healthd_mode_charger_battery_update(
-    struct android::BatteryProperties *props)
-{
-    struct charger *charger = &charger_state;
+void healthd_mode_charger_battery_update(android::BatteryProperties* props) {
+    charger* charger = &charger_state;
 
     charger->charger_connected =
-        props->chargerAcOnline || props->chargerUsbOnline ||
-        props->chargerWirelessOnline;
+        props->chargerAcOnline || props->chargerUsbOnline || props->chargerWirelessOnline;
 
     if (!charger->have_battery_state) {
         charger->have_battery_state = true;
@@ -743,19 +529,16 @@
     batt_prop = props;
 }
 
-int healthd_mode_charger_preparetowait(void)
-{
-    struct charger *charger = &charger_state;
+int healthd_mode_charger_preparetowait(void) {
+    charger* charger = &charger_state;
     int64_t now = curr_time_ms();
     int64_t next_event = INT64_MAX;
     int64_t timeout;
 
-    LOGV("[%" PRId64 "] next screen: %" PRId64 " next key: %" PRId64 " next pwr: %" PRId64 "\n", now,
-         charger->next_screen_transition, charger->next_key_check,
-         charger->next_pwr_check);
+    LOGV("[%" PRId64 "] next screen: %" PRId64 " next key: %" PRId64 " next pwr: %" PRId64 "\n",
+         now, charger->next_screen_transition, charger->next_key_check, charger->next_pwr_check);
 
-    if (charger->next_screen_transition != -1)
-        next_event = charger->next_screen_transition;
+    if (charger->next_screen_transition != -1) next_event = charger->next_screen_transition;
     if (charger->next_key_check != -1 && charger->next_key_check < next_event)
         next_event = charger->next_key_check;
     if (charger->next_pwr_check != -1 && charger->next_pwr_check < next_event)
@@ -766,32 +549,27 @@
     else
         timeout = -1;
 
-   return (int)timeout;
+    return (int)timeout;
 }
 
-static int input_callback(struct charger *charger, int fd, unsigned int epevents)
-{
-    struct input_event ev;
+static int input_callback(charger* charger, int fd, unsigned int epevents) {
+    input_event ev;
     int ret;
 
     ret = ev_get_input(fd, epevents, &ev);
-    if (ret)
-        return -1;
+    if (ret) return -1;
     update_input_state(charger, &ev);
     return 0;
 }
 
-static void charger_event_handler(uint32_t /*epevents*/)
-{
+static void charger_event_handler(uint32_t /*epevents*/) {
     int ret;
 
     ret = ev_wait(-1);
-    if (!ret)
-        ev_dispatch();
+    if (!ret) ev_dispatch();
 }
 
-animation* init_animation()
-{
+animation* init_animation() {
     bool parse_success;
 
     std::string content;
@@ -814,32 +592,29 @@
     }
 
     LOGV("Animation Description:\n");
-    LOGV("  animation: %d %d '%s' (%d)\n",
-        battery_animation.num_cycles, battery_animation.first_frame_repeats,
-        battery_animation.animation_file.c_str(), battery_animation.num_frames);
+    LOGV("  animation: %d %d '%s' (%d)\n", battery_animation.num_cycles,
+         battery_animation.first_frame_repeats, battery_animation.animation_file.c_str(),
+         battery_animation.num_frames);
     LOGV("  fail_file: '%s'\n", battery_animation.fail_file.c_str());
-    LOGV("  clock: %d %d %d %d %d %d '%s'\n",
-        battery_animation.text_clock.pos_x, battery_animation.text_clock.pos_y,
-        battery_animation.text_clock.color_r, battery_animation.text_clock.color_g,
-        battery_animation.text_clock.color_b, battery_animation.text_clock.color_a,
-        battery_animation.text_clock.font_file.c_str());
-    LOGV("  percent: %d %d %d %d %d %d '%s'\n",
-        battery_animation.text_percent.pos_x, battery_animation.text_percent.pos_y,
-        battery_animation.text_percent.color_r, battery_animation.text_percent.color_g,
-        battery_animation.text_percent.color_b, battery_animation.text_percent.color_a,
-        battery_animation.text_percent.font_file.c_str());
+    LOGV("  clock: %d %d %d %d %d %d '%s'\n", battery_animation.text_clock.pos_x,
+         battery_animation.text_clock.pos_y, battery_animation.text_clock.color_r,
+         battery_animation.text_clock.color_g, battery_animation.text_clock.color_b,
+         battery_animation.text_clock.color_a, battery_animation.text_clock.font_file.c_str());
+    LOGV("  percent: %d %d %d %d %d %d '%s'\n", battery_animation.text_percent.pos_x,
+         battery_animation.text_percent.pos_y, battery_animation.text_percent.color_r,
+         battery_animation.text_percent.color_g, battery_animation.text_percent.color_b,
+         battery_animation.text_percent.color_a, battery_animation.text_percent.font_file.c_str());
     for (int i = 0; i < battery_animation.num_frames; i++) {
         LOGV("  frame %.2d: %d %d %d\n", i, battery_animation.frames[i].disp_time,
-            battery_animation.frames[i].min_level, battery_animation.frames[i].max_level);
+             battery_animation.frames[i].min_level, battery_animation.frames[i].max_level);
     }
 
     return &battery_animation;
 }
 
-void healthd_mode_charger_init(struct healthd_config* config)
-{
+void healthd_mode_charger_init(struct healthd_config* config) {
     int ret;
-    struct charger *charger = &charger_state;
+    charger* charger = &charger_state;
     int i;
     int epollfd;
 
@@ -847,14 +622,13 @@
 
     LOGW("--------------- STARTING CHARGER MODE ---------------\n");
 
-    ret = ev_init(std::bind(&input_callback, charger, std::placeholders::_1,
-                            std::placeholders::_2));
+    ret = ev_init(std::bind(&input_callback, charger, std::placeholders::_1, std::placeholders::_2));
     if (!ret) {
         epollfd = ev_get_epollfd();
         healthd_register_event(epollfd, charger_event_handler, EVENT_WAKEUP_FD);
     }
 
-    struct animation* anim = init_animation();
+    animation* anim = init_animation();
     charger->batt_anim = anim;
 
     ret = res_create_display_surface(anim->fail_file.c_str(), &charger->surf_unknown);
@@ -871,15 +645,15 @@
     int scale_count;
     int scale_fps;  // Not in use (charger/battery_scale doesn't have FPS text
                     // chunk). We are using hard-coded frame.disp_time instead.
-    ret = res_create_multi_display_surface(anim->animation_file.c_str(),
-        &scale_count, &scale_fps, &scale_frames);
+    ret = res_create_multi_display_surface(anim->animation_file.c_str(), &scale_count, &scale_fps,
+                                           &scale_frames);
     if (ret < 0) {
         LOGE("Cannot load battery_scale image\n");
         anim->num_frames = 0;
         anim->num_cycles = 1;
     } else if (scale_count != anim->num_frames) {
-        LOGE("battery_scale image has unexpected frame count (%d, expected %d)\n",
-             scale_count, anim->num_frames);
+        LOGE("battery_scale image has unexpected frame count (%d, expected %d)\n", scale_count,
+             anim->num_frames);
         anim->num_frames = 0;
         anim->num_cycles = 1;
     } else {
@@ -887,8 +661,8 @@
             anim->frames[i].surface = scale_frames[i];
         }
     }
-    ev_sync_key_state(std::bind(&set_key_callback, charger, std::placeholders::_1,
-                                std::placeholders::_2));
+    ev_sync_key_state(
+        std::bind(&set_key_callback, charger, std::placeholders::_1, std::placeholders::_2));
 
     charger->next_screen_transition = -1;
     charger->next_key_check = -1;
diff --git a/init/init.cpp b/init/init.cpp
index e84d069..55d5fa8 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -910,7 +910,6 @@
     selinux_android_restorecon("/dev/urandom", 0);
     selinux_android_restorecon("/dev/__properties__", 0);
 
-    selinux_android_restorecon("/file_contexts.bin", 0);
     selinux_android_restorecon("/plat_file_contexts", 0);
     selinux_android_restorecon("/nonplat_file_contexts", 0);
     selinux_android_restorecon("/plat_property_contexts", 0);
diff --git a/libappfuse/FuseBridgeLoop.cc b/libappfuse/FuseBridgeLoop.cc
index 0792307..8b0c53e 100644
--- a/libappfuse/FuseBridgeLoop.cc
+++ b/libappfuse/FuseBridgeLoop.cc
@@ -179,7 +179,11 @@
         }
 
         const uint32_t opcode = buffer_.request.header.opcode;
-        LOG(VERBOSE) << "Read a fuse packet, opcode=" << opcode;
+        const uint64_t unique = buffer_.request.header.unique;
+        LOG(VERBOSE) << "Read a fuse packet, opcode=" << opcode << " unique=" << unique;
+        if (unique == 0) {
+            return FuseBridgeState::kWaitToReadEither;
+        }
         switch (opcode) {
             case FUSE_FORGET:
                 // Do not reply to FUSE_FORGET.
diff --git a/libappfuse/tests/FuseBridgeLoopTest.cc b/libappfuse/tests/FuseBridgeLoopTest.cc
index 51d6051..0a28451 100644
--- a/libappfuse/tests/FuseBridgeLoopTest.cc
+++ b/libappfuse/tests/FuseBridgeLoopTest.cc
@@ -67,6 +67,7 @@
     memset(&request_, 0, sizeof(FuseRequest));
     request_.header.opcode = opcode;
     request_.header.len = sizeof(fuse_in_header);
+    request_.header.unique = 1;
     ASSERT_TRUE(request_.Write(dev_sockets_[0]));
 
     memset(&response_, 0, sizeof(FuseResponse));
diff --git a/liblog/Android.bp b/liblog/Android.bp
index e74aa82..b98d18f 100644
--- a/liblog/Android.bp
+++ b/liblog/Android.bp
@@ -42,6 +42,24 @@
     "logd_writer.c",
 ]
 
+cc_library_headers {
+    name: "liblog_headers",
+    host_supported: true,
+    vendor_available: true,
+    export_include_dirs: ["include"],
+    target: {
+        windows: {
+            enabled: true,
+        },
+        linux_bionic: {
+            enabled: true,
+        },
+        vendor: {
+            export_include_dirs: ["include_vndk"],
+        },
+    },
+}
+
 // Shared and static library for host and device
 // ========================================================
 cc_library {
@@ -81,7 +99,8 @@
         },
     },
 
-    export_include_dirs: ["include"],
+    header_libs: ["liblog_headers"],
+    export_header_lib_headers: ["liblog_headers"],
 
     cflags: [
         "-Werror",
@@ -100,7 +119,7 @@
 }
 
 ndk_headers {
-    name: "liblog_headers",
+    name: "liblog_ndk_headers",
     from: "include/android",
     to: "android",
     srcs: ["include/android/log.h"],
diff --git a/liblog/include/log/log_main.h b/liblog/include/log/log_main.h
index da16158..68c2e9a 100644
--- a/liblog/include/log/log_main.h
+++ b/liblog/include/log/log_main.h
@@ -18,10 +18,9 @@
 #define _LIBS_LOG_LOG_MAIN_H
 
 #include <android/log.h>
+#include <sys/cdefs.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
+__BEGIN_DECLS
 
 /*
  * Normally we strip the effects of ALOGV (VERBOSE messages),
@@ -385,8 +384,6 @@
 #pragma clang diagnostic pop
 #endif
 
-#ifdef __cplusplus
-}
-#endif
+__END_DECLS
 
 #endif /* _LIBS_LOG_LOG_MAIN_H */
diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
index ab96429..91044ab 100644
--- a/liblog/tests/Android.mk
+++ b/liblog/tests/Android.mk
@@ -89,7 +89,7 @@
 LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
 LOCAL_SHARED_LIBRARIES := liblog libcutils libbase
 LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
-LOCAL_COMPATIBILITY_SUITE := cts
+LOCAL_COMPATIBILITY_SUITE := cts vts
 LOCAL_CTS_TEST_PACKAGE := android.core.liblog
 include $(BUILD_CTS_EXECUTABLE)
 
diff --git a/libsync/libsync.map.txt b/libsync/libsync.map.txt
index daa28ae..f9057bd 100644
--- a/libsync/libsync.map.txt
+++ b/libsync/libsync.map.txt
@@ -17,8 +17,8 @@
 LIBSYNC {
   global:
     sync_merge; # introduced=26
-    sync_get_fence_info; # introduced=26
-    sync_free_fence_info; # introduced=26
+    sync_file_info; # introduced=26
+    sync_file_info_free; # introduced=26
   local:
     *;
 };
diff --git a/libutils/Android.bp b/libutils/Android.bp
index a1bdbf3..9e7cc13 100644
--- a/libutils/Android.bp
+++ b/libutils/Android.bp
@@ -18,10 +18,12 @@
     host_supported: true,
 
     header_libs: [
+        "liblog_headers",
         "libsystem_headers",
         "libcutils_headers"
     ],
     export_header_lib_headers: [
+        "liblog_headers",
         "libsystem_headers",
         "libcutils_headers"
     ],
@@ -78,6 +80,10 @@
         "libutils_headers",
     ],
 
+    shared_libs: [
+        "liblog",
+    ],
+
     arch: {
         mips: {
             cflags: ["-DALIGN_DOUBLE"],
@@ -98,7 +104,6 @@
                 "libbacktrace",
                 "libcutils",
                 "libdl",
-                "liblog",
                 "libvndksupport",
             ],
 
diff --git a/lmkd/lmkd.c b/lmkd/lmkd.c
index 8a6168c..c095315 100644
--- a/lmkd/lmkd.c
+++ b/lmkd/lmkd.c
@@ -40,7 +40,8 @@
 #endif
 
 #define MEMCG_SYSFS_PATH "/dev/memcg/"
-#define MEMPRESSURE_WATCH_LEVEL "low"
+#define MEMPRESSURE_WATCH_MEDIUM_LEVEL "medium"
+#define MEMPRESSURE_WATCH_CRITICAL_LEVEL "critical"
 #define ZONEINFO_PATH "/proc/zoneinfo"
 #define LINE_MAX 128
 
@@ -48,6 +49,7 @@
 #define INKERNEL_ADJ_PATH "/sys/module/lowmemorykiller/parameters/adj"
 
 #define ARRAY_SIZE(x)   (sizeof(x) / sizeof(*(x)))
+#define EIGHT_MEGA (1 << 23)
 
 enum lmk_cmd {
     LMK_TARGET,
@@ -66,15 +68,17 @@
 static int use_inkernel_interface = 1;
 
 /* memory pressure level medium event */
-static int mpevfd;
+static int mpevfd[2];
+#define CRITICAL_INDEX 1
+#define MEDIUM_INDEX 0
 
 /* control socket listen and data */
 static int ctrl_lfd;
 static int ctrl_dfd = -1;
 static int ctrl_dfd_reopened; /* did we reopen ctrl conn on this loop? */
 
-/* 1 memory pressure level, 1 ctrl listen socket, 1 ctrl data socket */
-#define MAX_EPOLL_EVENTS 3
+/* 2 memory pressure levels, 1 ctrl listen socket, 1 ctrl data socket */
+#define MAX_EPOLL_EVENTS 4
 static int epollfd;
 static int maxevents;
 
@@ -113,14 +117,6 @@
 #define ADJTOSLOT(adj) ((adj) + -OOM_SCORE_ADJ_MIN)
 static struct adjslot_list procadjslot_list[ADJTOSLOT(OOM_SCORE_ADJ_MAX) + 1];
 
-/*
- * Wait 1-2 seconds for the death report of a killed process prior to
- * considering killing more processes.
- */
-#define KILL_TIMEOUT 2
-/* Time of last process kill we initiated, stop me before I kill again */
-static time_t kill_lasttime;
-
 /* PAGE_SIZE / 1024 */
 static long page_k;
 
@@ -241,6 +237,7 @@
     struct proc *procp;
     char path[80];
     char val[20];
+    int soft_limit_mult;
 
     if (oomadj < OOM_SCORE_ADJ_MIN || oomadj > OOM_SCORE_ADJ_MAX) {
         ALOGE("Invalid PROCPRIO oomadj argument %d", oomadj);
@@ -254,6 +251,36 @@
     if (use_inkernel_interface)
         return;
 
+    if (oomadj >= 900) {
+        soft_limit_mult = 0;
+    } else if (oomadj >= 800) {
+        soft_limit_mult = 0;
+    } else if (oomadj >= 700) {
+        soft_limit_mult = 0;
+    } else if (oomadj >= 600) {
+        soft_limit_mult = 0;
+    } else if (oomadj >= 500) {
+        soft_limit_mult = 0;
+    } else if (oomadj >= 400) {
+        soft_limit_mult = 0;
+    } else if (oomadj >= 300) {
+        soft_limit_mult = 1;
+    } else if (oomadj >= 200) {
+        soft_limit_mult = 2;
+    } else if (oomadj >= 100) {
+        soft_limit_mult = 10;
+    } else if (oomadj >=   0) {
+        soft_limit_mult = 20;
+    } else {
+        // Persistent processes will have a large
+        // soft limit 512MB.
+        soft_limit_mult = 64;
+    }
+
+    snprintf(path, sizeof(path), "/dev/memcg/apps/uid_%d/pid_%d/memory.soft_limit_in_bytes", uid, pid);
+    snprintf(val, sizeof(val), "%d", soft_limit_mult * EIGHT_MEGA);
+    writefilestring(path, val);
+
     procp = pid_lookup(pid);
     if (!procp) {
             procp = malloc(sizeof(struct proc));
@@ -278,7 +305,6 @@
         return;
 
     pid_remove(pid);
-    kill_lasttime = 0;
 }
 
 static void cmd_target(int ntargets, int *params) {
@@ -574,7 +600,6 @@
           first ? "" : "~", other_file * page_k, minfree * page_k, min_score_adj,
           first ? "" : "~", other_free * page_k, other_free >= 0 ? "above" : "below");
     r = kill(pid, SIGKILL);
-    killProcessGroup(uid, pid, SIGKILL);
     pid_remove(pid);
 
     if (r) {
@@ -589,24 +614,12 @@
  * Find a process to kill based on the current (possibly estimated) free memory
  * and cached memory sizes.  Returns the size of the killed processes.
  */
-static int find_and_kill_process(int other_free, int other_file, bool first)
+static int find_and_kill_process(int other_free, int other_file, bool first, int min_score_adj)
 {
     int i;
-    int min_score_adj = OOM_SCORE_ADJ_MAX + 1;
     int minfree = 0;
     int killed_size = 0;
 
-    for (i = 0; i < lowmem_targets_size; i++) {
-        minfree = lowmem_minfree[i];
-        if (other_free < minfree && other_file < minfree) {
-            min_score_adj = lowmem_adj[i];
-            break;
-        }
-    }
-
-    if (min_score_adj == OOM_SCORE_ADJ_MAX + 1)
-        return 0;
-
     for (i = OOM_SCORE_ADJ_MAX; i >= min_score_adj; i--) {
         struct proc *procp;
 
@@ -626,42 +639,33 @@
     return 0;
 }
 
-static void mp_event(uint32_t events __unused) {
+static void mp_event_common(bool is_critical) {
     int ret;
     unsigned long long evcount;
-    struct sysmeminfo mi;
-    int other_free;
-    int other_file;
-    int killed_size;
     bool first = true;
+    int min_adj_score = is_critical ? 0 : 800;
+    int index = is_critical ? CRITICAL_INDEX : MEDIUM_INDEX;
 
-    ret = read(mpevfd, &evcount, sizeof(evcount));
+    ret = read(mpevfd[index], &evcount, sizeof(evcount));
     if (ret < 0)
         ALOGE("Error reading memory pressure event fd; errno=%d",
               errno);
 
-    if (time(NULL) - kill_lasttime < KILL_TIMEOUT)
-        return;
-
-    while (zoneinfo_parse(&mi) < 0) {
-        // Failed to read /proc/zoneinfo, assume ENOMEM and kill something
-        find_and_kill_process(0, 0, true);
+    if (find_and_kill_process(0, 0, first, min_adj_score) == 0) {
+        ALOGI("Nothing to kill");
     }
-
-    other_free = mi.nr_free_pages - mi.totalreserve_pages;
-    other_file = mi.nr_file_pages - mi.nr_shmem;
-
-    do {
-        killed_size = find_and_kill_process(other_free, other_file, first);
-        if (killed_size > 0) {
-            first = false;
-            other_free += killed_size;
-            other_file += killed_size;
-        }
-    } while (killed_size > 0);
 }
 
-static int init_mp(char *levelstr, void *event_handler)
+static void mp_event(uint32_t events __unused) {
+    mp_event_common(false);
+}
+
+static void mp_event_critical(uint32_t events __unused) {
+    ALOGI("Memory pressure critical");
+    mp_event_common(true);
+}
+
+static int init_mp_common(char *levelstr, void *event_handler, bool is_critical)
 {
     int mpfd;
     int evfd;
@@ -669,6 +673,7 @@
     char buf[256];
     struct epoll_event epev;
     int ret;
+    int mpevfd_index = is_critical ? CRITICAL_INDEX : MEDIUM_INDEX;
 
     mpfd = open(MEMCG_SYSFS_PATH "memory.pressure_level", O_RDONLY | O_CLOEXEC);
     if (mpfd < 0) {
@@ -709,7 +714,7 @@
         goto err;
     }
     maxevents++;
-    mpevfd = evfd;
+    mpevfd[mpevfd_index] = evfd;
     return 0;
 
 err:
@@ -722,6 +727,16 @@
     return -1;
 }
 
+static int init_mp_medium()
+{
+    return init_mp_common(MEMPRESSURE_WATCH_MEDIUM_LEVEL, (void *)&mp_event, false);
+}
+
+static int init_mp_critical()
+{
+    return init_mp_common(MEMPRESSURE_WATCH_CRITICAL_LEVEL, (void *)&mp_event_critical, true);
+}
+
 static int init(void) {
     struct epoll_event epev;
     int i;
@@ -763,7 +778,8 @@
     if (use_inkernel_interface) {
         ALOGI("Using in-kernel low memory killer interface");
     } else {
-        ret = init_mp(MEMPRESSURE_WATCH_LEVEL, (void *)&mp_event);
+        ret = init_mp_medium();
+        ret |= init_mp_critical();
         if (ret)
             ALOGE("Kernel does not support memory pressure events or in-kernel low memory killer");
     }
diff --git a/logd/tests/Android.mk b/logd/tests/Android.mk
index 1915677..a0875ea 100644
--- a/logd/tests/Android.mk
+++ b/logd/tests/Android.mk
@@ -63,7 +63,7 @@
 LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
 LOCAL_SHARED_LIBRARIES := libbase libcutils liblog libselinux
 LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
-LOCAL_COMPATIBILITY_SUITE := cts
+LOCAL_COMPATIBILITY_SUITE := cts vts
 LOCAL_CTS_TEST_PACKAGE := android.core.logd
 include $(BUILD_CTS_EXECUTABLE)
 
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 2e5575f..046557e 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -194,7 +194,7 @@
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := ld.config.txt
-ifeq ($(PRODUCT_FULL_TREBLE),true)
+ifeq ($(PRODUCT_FULL_TREBLE)|$(SANITIZE_TARGET),true|)
 LOCAL_SRC_FILES := etc/ld.config.txt
 else
 LOCAL_SRC_FILES := etc/ld.config.legacy.txt
diff --git a/rootdir/etc/ld.config.txt b/rootdir/etc/ld.config.txt
index 859fcd2..7ba7bde 100644
--- a/rootdir/etc/ld.config.txt
+++ b/rootdir/etc/ld.config.txt
@@ -95,10 +95,10 @@
 # This namespace is exclusively for vndk-sp libs.
 ###############################################################################
 namespace.vndk.isolated = true
-namespace.vndk.search.paths = /vendor/${LIB}/vndk-sp:/system/${LIB}/vndk-sp:/vendor/${LIB}
+namespace.vndk.search.paths = /vendor/${LIB}/vndk-sp:/system/${LIB}/vndk-sp
 namespace.vndk.permitted.paths = /vendor/${LIB}/hw:/vendor/${LIB}/egl
 
-namespace.vndk.asan.search.paths = /data/asan/vendor/${LIB}/vndk-sp:/vendor/${LIB}/vndk-sp:/data/asan/system/${LIB}/vndk-sp:/system/${LIB}/vndk-sp:/data/asan/vendor/${LIB}:/vendor/${LIB}
+namespace.vndk.asan.search.paths = /data/asan/vendor/${LIB}/vndk-sp:/vendor/${LIB}/vndk-sp:/data/asan/system/${LIB}/vndk-sp:/system/${LIB}/vndk-sp
 namespace.vndk.asan.permitted.paths = /data/asan/vendor/${LIB}/hw:/vendor/${LIB}/hw:/data/asan/vendor/${LIB}/egl:/vendor/${LIB}/egl
 
 # When these NDK libs are required inside this namespace, then it is redirected
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 424dbee..901d066 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -321,7 +321,6 @@
     # Make sure /sys/kernel/debug (if present) is labeled properly
     # Note that tracefs may be mounted under debug, so we need to cross filesystems
     restorecon --recursive --cross-filesystems /sys/kernel/debug
-    chmod 0755 /sys/kernel/debug/tracing
 
     # We chown/chmod /cache again so because mount is run as root + defaults
     chown system cache /cache
@@ -359,6 +358,10 @@
     mkdir /cache/lost+found 0770 root root
 
 on late-fs
+    # Ensure that tracefs has the correct permissions.
+    # This does not work correctly if it is called in post-fs.
+    chmod 0755 /sys/kernel/debug/tracing
+
     # HALs required before storage encryption can get unlocked (FBE/FDE)
     class_start early_hal
 
diff --git a/storaged/include/storaged.h b/storaged/include/storaged.h
index 514798b..fa68406 100644
--- a/storaged/include/storaged.h
+++ b/storaged/include/storaged.h
@@ -256,6 +256,7 @@
     uid_monitor mUidm;
     time_t mStarttime;
     sp<IBatteryPropertiesRegistrar> battery_properties;
+    std::unique_ptr<storage_info_t> storage_info;
 public:
     storaged_t(void);
     ~storaged_t() {}
@@ -285,6 +286,8 @@
     void init_battery_service();
     virtual void batteryPropertiesChanged(struct BatteryProperties props);
     void binderDied(const wp<IBinder>& who);
+
+    void report_storage_info();
 };
 
 // Eventlog tag
diff --git a/storaged/include/storaged_info.h b/storaged/include/storaged_info.h
index 913c814..7d04c7a 100644
--- a/storaged/include/storaged_info.h
+++ b/storaged/include/storaged_info.h
@@ -27,39 +27,46 @@
 class storage_info_t {
 protected:
     FRIEND_TEST(storaged_test, storage_info_t);
+    // emmc lifetime
     uint16_t eol;                   // pre-eol (end of life) information
     uint16_t lifetime_a;            // device life time estimation (type A)
     uint16_t lifetime_b;            // device life time estimation (type B)
     string version;                 // version string
+    // free space
+    const string userdata_path = "/data";
+    uint64_t userdata_total_kb;
+    uint64_t userdata_free_kb;
+
+    storage_info_t() : eol(0), lifetime_a(0), lifetime_b(0),
+        userdata_total_kb(0), userdata_free_kb(0) {}
     void publish();
+    storage_info_t* s_info;
 public:
-    storage_info_t() : eol(0), lifetime_a(0), lifetime_b(0) {}
+    static storage_info_t* get_storage_info();
     virtual ~storage_info_t() {}
-    virtual bool report() = 0;
+    virtual void report() {};
+    void refresh();
 };
 
 class emmc_info_t : public storage_info_t {
 private:
-    const string emmc_sysfs = "/sys/bus/mmc/devices/mmc0:0001/";
-    const string emmc_debugfs = "/d/mmc0/mmc0:0001/ext_csd";
-    const char* emmc_ver_str[9] = {
-        "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0", "5.1"
-    };
-public:
-    virtual ~emmc_info_t() {}
-    bool report();
     bool report_sysfs();
     bool report_debugfs();
+public:
+    static const string emmc_sysfs;
+    static const string emmc_debugfs;
+    static const char* emmc_ver_str[];
+
+    virtual ~emmc_info_t() {}
+    virtual void report();
 };
 
 class ufs_info_t : public storage_info_t {
-private:
-    const string health_file = "/sys/devices/soc/624000.ufshc/health";
 public:
-    virtual ~ufs_info_t() {}
-    bool report();
-};
+    static const string health_file;
 
-void report_storage_health();
+    virtual ~ufs_info_t() {}
+    virtual void report();
+};
 
 #endif /* _STORAGED_INFO_H_ */
diff --git a/storaged/main.cpp b/storaged/main.cpp
index 4d1e430..6b82904 100644
--- a/storaged/main.cpp
+++ b/storaged/main.cpp
@@ -49,6 +49,7 @@
     storaged = new storaged_t();
 
     storaged->init_battery_service();
+    storaged->report_storage_info();
 
     LOG_TO(SYSTEM, INFO) << "storaged: Start";
 
@@ -113,7 +114,6 @@
     }
 
     if (flag_main_service) { // start main thread
-        report_storage_health();
         // Start the main thread of storaged
         pthread_t storaged_main_thread;
         errno = pthread_create(&storaged_main_thread, NULL, storaged_main, NULL);
diff --git a/storaged/storaged.cpp b/storaged/storaged.cpp
index 54d429c..06afea6 100644
--- a/storaged/storaged.cpp
+++ b/storaged/storaged.cpp
@@ -200,6 +200,10 @@
     }
 }
 
+void storaged_t::report_storage_info() {
+    storage_info->report();
+}
+
 /* storaged_t */
 storaged_t::storaged_t(void) {
     if (access(MMC_DISK_STATS_PATH, R_OK) < 0 && access(SDA_DISK_STATS_PATH, R_OK) < 0) {
@@ -222,6 +226,8 @@
     mConfig.periodic_chores_interval_uid_io =
         property_get_int32("ro.storaged.uid_io.interval", DEFAULT_PERIODIC_CHORES_INTERVAL_UID_IO);
 
+    storage_info.reset(storage_info_t::get_storage_info());
+
     mStarttime = time(NULL);
 }
 
@@ -229,6 +235,7 @@
     if (mConfig.diskstats_available) {
         mDiskStats.update();
         mDsm.update();
+        storage_info->refresh();
         if (mTimer && (mTimer % mConfig.periodic_chores_interval_disk_stats_publish) == 0) {
             mDiskStats.publish();
         }
diff --git a/storaged/storaged_info.cpp b/storaged/storaged_info.cpp
index 434bd74..b5fb13e 100644
--- a/storaged/storaged_info.cpp
+++ b/storaged/storaged_info.cpp
@@ -18,6 +18,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <sys/statvfs.h>
 
 #include <android-base/file.h>
 #include <android-base/parseint.h>
@@ -30,13 +31,42 @@
 using namespace std;
 using namespace android::base;
 
-void report_storage_health()
-{
-    emmc_info_t mmc;
-    ufs_info_t ufs;
+const string emmc_info_t::emmc_sysfs = "/sys/bus/mmc/devices/mmc0:0001/";
+const string emmc_info_t::emmc_debugfs = "/d/mmc0/mmc0:0001/ext_csd";
+const char* emmc_info_t::emmc_ver_str[9] = {
+    "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0", "5.1"
+};
 
-    mmc.report();
-    ufs.report();
+const string ufs_info_t::health_file = "/sys/devices/soc/624000.ufshc/health";
+
+static bool FileExists(const std::string& filename)
+{
+  struct stat buffer;
+  return stat(filename.c_str(), &buffer) == 0;
+}
+
+storage_info_t* storage_info_t::get_storage_info()
+{
+    if (FileExists(emmc_info_t::emmc_sysfs) ||
+        FileExists(emmc_info_t::emmc_debugfs)) {
+        return new emmc_info_t;
+    }
+    if (FileExists(ufs_info_t::health_file)) {
+        return new ufs_info_t;
+    }
+    return new storage_info_t;
+}
+
+void storage_info_t::refresh()
+{
+    struct statvfs buf;
+    if (statvfs(userdata_path.c_str(), &buf) != 0) {
+        PLOG_TO(SYSTEM, WARNING) << "Failed to get userdata info";
+        return;
+    }
+
+    userdata_total_kb = buf.f_bsize * buf.f_blocks >> 10;
+    userdata_free_kb = buf.f_bfree * buf.f_blocks >> 10;
 }
 
 void storage_info_t::publish()
@@ -46,13 +76,12 @@
         << LOG_ID_EVENTS;
 }
 
-bool emmc_info_t::report()
+void emmc_info_t::report()
 {
     if (!report_sysfs() && !report_debugfs())
-        return false;
+        return;
 
     publish();
-    return true;
 }
 
 bool emmc_info_t::report_sysfs()
@@ -136,21 +165,21 @@
     return true;
 }
 
-bool ufs_info_t::report()
+void ufs_info_t::report()
 {
     string buffer;
     if (!ReadFileToString(health_file, &buffer)) {
-        return false;
+        return;
     }
 
     vector<string> lines = Split(buffer, "\n");
     if (lines.empty()) {
-        return false;
+        return;
     }
 
     char rev[8];
     if (sscanf(lines[0].c_str(), "ufs version: 0x%7s\n", rev) < 1) {
-        return false;
+        return;
     }
 
     version = "ufs " + string(rev);
@@ -175,10 +204,9 @@
     }
 
     if (eol == 0 || (lifetime_a == 0 && lifetime_b == 0)) {
-        return false;
+        return;
     }
 
     publish();
-    return true;
 }