diff --git a/adb/adb.cpp b/adb/adb.cpp
index bfb1144..ff7b71f 100644
--- a/adb/adb.cpp
+++ b/adb/adb.cpp
@@ -49,6 +49,7 @@
 #include "adb_auth.h"
 #include "adb_io.h"
 #include "adb_listeners.h"
+#include "adb_unique_fd.h"
 #include "adb_utils.h"
 #include "sysdeps/chrono.h"
 #include "transport.h"
@@ -656,6 +657,26 @@
 
 #endif
 
+static void ReportServerStartupFailure(pid_t pid) {
+    fprintf(stderr, "ADB server didn't ACK\n");
+    fprintf(stderr, "Full server startup log: %s\n", GetLogFilePath().c_str());
+    fprintf(stderr, "Server had pid: %d\n", pid);
+
+    unique_fd fd(adb_open(GetLogFilePath().c_str(), O_RDONLY));
+    if (fd == -1) return;
+
+    // Let's not show more than 128KiB of log...
+    adb_lseek(fd, -128 * 1024, SEEK_END);
+    std::string content;
+    if (!android::base::ReadFdToString(fd, &content)) return;
+
+    std::string header = android::base::StringPrintf("--- adb starting (pid %d) ---", pid);
+    std::vector<std::string> lines = android::base::Split(content, "\n");
+    int i = lines.size() - 1;
+    while (i >= 0 && lines[i] != header) --i;
+    while (static_cast<size_t>(i) < lines.size()) fprintf(stderr, "%s\n", lines[i++].c_str());
+}
+
 int launch_server(const std::string& socket_spec) {
 #if defined(_WIN32)
     /* we need to start the server in the background                    */
@@ -835,7 +856,8 @@
                 memcmp(temp, expected, expected_length) == 0) {
                 got_ack = true;
             } else {
-                fprintf(stderr, "ADB server didn't ACK\n");
+                ReportServerStartupFailure(GetProcessId(process_handle.get()));
+                return -1;
             }
         } else {
             const DWORD err = GetLastError();
@@ -909,12 +931,9 @@
                            "--reply-fd", reply_fd, NULL);
         // this should not return
         fprintf(stderr, "adb: execl returned %d: %s\n", result, strerror(errno));
-    } else  {
+    } else {
         // parent side of the fork
-
-        char  temp[3];
-
-        temp[0] = 'A'; temp[1] = 'B'; temp[2] = 'C';
+        char temp[3] = {};
         // wait for the "OK\n" message
         adb_close(fd[1]);
         int ret = adb_read(fd[0], temp, 3);
@@ -925,7 +944,7 @@
             return -1;
         }
         if (ret != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') {
-            fprintf(stderr, "ADB server didn't ACK\n" );
+            ReportServerStartupFailure(pid);
             return -1;
         }
     }
diff --git a/adb/adb_utils.cpp b/adb/adb_utils.cpp
index 6f2403d..bb26e70 100644
--- a/adb/adb_utils.cpp
+++ b/adb/adb_utils.cpp
@@ -278,3 +278,29 @@
     fprintf(stderr, "\n");
     return 1;
 }
+
+std::string GetLogFilePath() {
+#if defined(_WIN32)
+    const char log_name[] = "adb.log";
+    WCHAR temp_path[MAX_PATH];
+
+    // https://msdn.microsoft.com/en-us/library/windows/desktop/aa364992%28v=vs.85%29.aspx
+    DWORD nchars = GetTempPathW(arraysize(temp_path), temp_path);
+    if (nchars >= arraysize(temp_path) || nchars == 0) {
+        // If string truncation or some other error.
+        fatal("cannot retrieve temporary file path: %s\n",
+              android::base::SystemErrorCodeToString(GetLastError()).c_str());
+    }
+
+    std::string temp_path_utf8;
+    if (!android::base::WideToUTF8(temp_path, &temp_path_utf8)) {
+        fatal_errno("cannot convert temporary file path from UTF-16 to UTF-8");
+    }
+
+    return temp_path_utf8 + log_name;
+#else
+    const char* tmp_dir = getenv("TMPDIR");
+    if (tmp_dir == nullptr) tmp_dir = "/tmp";
+    return android::base::StringPrintf("%s/adb.%u.log", tmp_dir, getuid());
+#endif
+}
diff --git a/adb/adb_utils.h b/adb/adb_utils.h
index 11c0ec9..f764a0e 100644
--- a/adb/adb_utils.h
+++ b/adb/adb_utils.h
@@ -89,4 +89,6 @@
     }
 };
 
+std::string GetLogFilePath();
+
 #endif
diff --git a/adb/client/main.cpp b/adb/client/main.cpp
index 62798cd..f0d0ce7 100644
--- a/adb/client/main.cpp
+++ b/adb/client/main.cpp
@@ -39,33 +39,7 @@
 #include "sysdeps/chrono.h"
 #include "transport.h"
 
-static std::string GetLogFilePath() {
-#if defined(_WIN32)
-    const char log_name[] = "adb.log";
-    WCHAR temp_path[MAX_PATH];
-
-    // https://msdn.microsoft.com/en-us/library/windows/desktop/aa364992%28v=vs.85%29.aspx
-    DWORD nchars = GetTempPathW(arraysize(temp_path), temp_path);
-    if (nchars >= arraysize(temp_path) || nchars == 0) {
-        // If string truncation or some other error.
-        fatal("cannot retrieve temporary file path: %s\n",
-              android::base::SystemErrorCodeToString(GetLastError()).c_str());
-    }
-
-    std::string temp_path_utf8;
-    if (!android::base::WideToUTF8(temp_path, &temp_path_utf8)) {
-        fatal_errno("cannot convert temporary file path from UTF-16 to UTF-8");
-    }
-
-    return temp_path_utf8 + log_name;
-#else
-    const char* tmp_dir = getenv("TMPDIR");
-    if (tmp_dir == nullptr) tmp_dir = "/tmp";
-    return android::base::StringPrintf("%s/adb.%u.log", tmp_dir, getuid());
-#endif
-}
-
-static void setup_daemon_logging(void) {
+static void setup_daemon_logging() {
     const std::string log_file_path(GetLogFilePath());
     int fd = unix_open(log_file_path.c_str(), O_WRONLY | O_CREAT | O_APPEND, 0640);
     if (fd == -1) {
diff --git a/debuggerd/client/debuggerd_client_test.cpp b/debuggerd/client/debuggerd_client_test.cpp
index 8420f03..9c2f0d6 100644
--- a/debuggerd/client/debuggerd_client_test.cpp
+++ b/debuggerd/client/debuggerd_client_test.cpp
@@ -27,6 +27,7 @@
 #include <gtest/gtest.h>
 
 #include <android-base/file.h>
+#include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <android-base/unique_fd.h>
@@ -36,8 +37,20 @@
 using namespace std::chrono_literals;
 using android::base::unique_fd;
 
+static int getThreadCount() {
+  int threadCount = 1024;
+  std::vector<std::string> characteristics =
+      android::base::Split(android::base::GetProperty("ro.build.characteristics", ""), ",");
+  if (std::find(characteristics.begin(), characteristics.end(), "embedded")
+      != characteristics.end()) {
+    // 128 is the realistic number for iot devices.
+    threadCount = 128;
+  }
+  return threadCount;
+}
+
 TEST(debuggerd_client, race) {
-  static constexpr int THREAD_COUNT = 1024;
+  static int THREAD_COUNT = getThreadCount();
   pid_t forkpid = fork();
 
   ASSERT_NE(-1, forkpid);
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index df7201d..4b1e51d 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -282,7 +282,10 @@
   ATRACE_NAME("after reparent");
 
   // Die if we take too long.
-  alarm(2);
+  //
+  // Note: processes with many threads and minidebug-info can take a bit to
+  //       unwind, do not make this too small. b/62828735
+  alarm(5);
 
   std::string attach_error;
 
diff --git a/debuggerd/debuggerd_test.cpp b/debuggerd/debuggerd_test.cpp
index 4660f3d..b51fc66 100644
--- a/debuggerd/debuggerd_test.cpp
+++ b/debuggerd/debuggerd_test.cpp
@@ -311,7 +311,7 @@
 
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
-  ASSERT_BACKTRACE_FRAME(result, "tgkill");
+  ASSERT_BACKTRACE_FRAME(result, "abort");
 }
 
 TEST_F(CrasherTest, signal) {
@@ -458,7 +458,7 @@
   FinishIntercept(&intercept_result);
   ASSERT_EQ(1, intercept_result) << "tombstoned reported failure";
   ConsumeFd(std::move(output_fd), &result);
-  ASSERT_BACKTRACE_FRAME(result, "tgkill");
+  ASSERT_BACKTRACE_FRAME(result, "abort");
 }
 
 TEST_F(CrasherTest, PR_SET_DUMPABLE_0_crash) {
@@ -478,7 +478,7 @@
 
   std::string result;
   ConsumeFd(std::move(output_fd), &result);
-  ASSERT_BACKTRACE_FRAME(result, "tgkill");
+  ASSERT_BACKTRACE_FRAME(result, "abort");
 }
 
 TEST_F(CrasherTest, capabilities) {
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index edc7be5..996d714 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -168,6 +168,26 @@
         case TRAP_BRANCH: return "TRAP_BRANCH";
         case TRAP_HWBKPT: return "TRAP_HWBKPT";
       }
+      if ((code & 0xff) == SIGTRAP) {
+        switch ((code >> 8) & 0xff) {
+          case PTRACE_EVENT_FORK:
+            return "PTRACE_EVENT_FORK";
+          case PTRACE_EVENT_VFORK:
+            return "PTRACE_EVENT_VFORK";
+          case PTRACE_EVENT_CLONE:
+            return "PTRACE_EVENT_CLONE";
+          case PTRACE_EVENT_EXEC:
+            return "PTRACE_EVENT_EXEC";
+          case PTRACE_EVENT_VFORK_DONE:
+            return "PTRACE_EVENT_VFORK_DONE";
+          case PTRACE_EVENT_EXIT:
+            return "PTRACE_EVENT_EXIT";
+          case PTRACE_EVENT_SECCOMP:
+            return "PTRACE_EVENT_SECCOMP";
+          case PTRACE_EVENT_STOP:
+            return "PTRACE_EVENT_STOP";
+        }
+      }
       static_assert(NSIGTRAP == TRAP_HWBKPT, "missing TRAP_* si_code");
       break;
   }
diff --git a/debuggerd/tombstoned/tombstoned.cpp b/debuggerd/tombstoned/tombstoned.cpp
index b920ebc..7685476 100644
--- a/debuggerd/tombstoned/tombstoned.cpp
+++ b/debuggerd/tombstoned/tombstoned.cpp
@@ -172,7 +172,7 @@
                    1 /* max_concurrent_dumps */);
 
 /* static */ CrashQueue* const CrashQueue::java_trace =
-    (kJavaTraceDumpsEnabled ? new CrashQueue("/data/anr", "anr_" /* file_name_prefix */,
+    (kJavaTraceDumpsEnabled ? new CrashQueue("/data/anr", "trace_" /* file_name_prefix */,
                                              64 /* max_artifacts */, 4 /* max_concurrent_dumps */)
                             : nullptr);
 
@@ -345,7 +345,14 @@
   }
 
   if (!crash->crash_path.empty()) {
-    LOG(ERROR) << "Tombstone written to: " << crash->crash_path;
+    if (crash->crash_type == kDebuggerdJavaBacktrace) {
+      LOG(ERROR) << "Traces for pid " << crash->crash_pid << " written to: " << crash->crash_path;
+    } else {
+      // NOTE: Several tools parse this log message to figure out where the
+      // tombstone associated with a given native crash was written. Any changes
+      // to this message must be carefully considered.
+      LOG(ERROR) << "Tombstone written to: " << crash->crash_path;
+    }
   }
 
 fail:
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 84981bf..5e0bfe4 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -847,7 +847,9 @@
             }
         } else if ((fstab->recs[i].fs_mgr_flags & MF_VERIFY) && is_device_secure()) {
             int rc = fs_mgr_setup_verity(&fstab->recs[i], true);
-            if (__android_log_is_debuggable() && rc == FS_MGR_SETUP_VERITY_DISABLED) {
+            if (__android_log_is_debuggable() &&
+                    (rc == FS_MGR_SETUP_VERITY_DISABLED ||
+                     rc == FS_MGR_SETUP_VERITY_SKIPPED)) {
                 LINFO << "Verity disabled";
             } else if (rc != FS_MGR_SETUP_VERITY_SUCCESS) {
                 LERROR << "Could not set up verified partition, skipping!";
@@ -1061,7 +1063,9 @@
             }
         } else if ((fstab->recs[i].fs_mgr_flags & MF_VERIFY) && is_device_secure()) {
             int rc = fs_mgr_setup_verity(&fstab->recs[i], true);
-            if (__android_log_is_debuggable() && rc == FS_MGR_SETUP_VERITY_DISABLED) {
+            if (__android_log_is_debuggable() &&
+                    (rc == FS_MGR_SETUP_VERITY_DISABLED ||
+                     rc == FS_MGR_SETUP_VERITY_SKIPPED)) {
                 LINFO << "Verity disabled";
             } else if (rc != FS_MGR_SETUP_VERITY_SUCCESS) {
                 LERROR << "Could not set up verified partition, skipping!";
diff --git a/fs_mgr/fs_mgr_verity.cpp b/fs_mgr/fs_mgr_verity.cpp
index 0177fdf..1d832b3 100644
--- a/fs_mgr/fs_mgr_verity.cpp
+++ b/fs_mgr/fs_mgr_verity.cpp
@@ -766,7 +766,7 @@
     // setup is needed at all.
     if (!is_device_secure()) {
         LINFO << "Verity setup skipped for " << mount_point;
-        return FS_MGR_SETUP_VERITY_SUCCESS;
+        return FS_MGR_SETUP_VERITY_SKIPPED;
     }
 
     if (fec_open(&f, fstab->blk_device, O_RDONLY, FEC_VERITY_DISABLE,
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 9079a43..047fd54 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -140,6 +140,7 @@
 
 int fs_mgr_do_format(struct fstab_rec *fstab, bool reserve_footer);
 
+#define FS_MGR_SETUP_VERITY_SKIPPED  (-3)
 #define FS_MGR_SETUP_VERITY_DISABLED (-2)
 #define FS_MGR_SETUP_VERITY_FAIL (-1)
 #define FS_MGR_SETUP_VERITY_SUCCESS 0
diff --git a/healthd/BatteryMonitor.cpp b/healthd/BatteryMonitor.cpp
index 45b6eda..4e3b885 100644
--- a/healthd/BatteryMonitor.cpp
+++ b/healthd/BatteryMonitor.cpp
@@ -116,6 +116,10 @@
         { "Over voltage", BATTERY_HEALTH_OVER_VOLTAGE },
         { "Unspecified failure", BATTERY_HEALTH_UNSPECIFIED_FAILURE },
         { "Cold", BATTERY_HEALTH_COLD },
+        // battery health values from JEITA spec
+        { "Warm", BATTERY_HEALTH_GOOD },
+        { "Cool", BATTERY_HEALTH_GOOD },
+        { "Hot", BATTERY_HEALTH_OVERHEAT },
         { NULL, 0 },
     };
 
diff --git a/init/action.cpp b/init/action.cpp
index 21abe02..206100e 100644
--- a/init/action.cpp
+++ b/init/action.cpp
@@ -18,13 +18,11 @@
 
 #include <android-base/logging.h>
 #include <android-base/properties.h>
-#include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 
 #include "util.h"
 
 using android::base::Join;
-using android::base::StringPrintf;
 
 Command::Command(BuiltinFunction f, const std::vector<std::string>& args, int line)
     : func_(f), args_(args), line_(line) {}
@@ -98,10 +96,10 @@
         android::base::GetMinimumLogSeverity() <= android::base::DEBUG) {
         std::string trigger_name = BuildTriggersString();
         std::string cmd_str = command.BuildCommandString();
-        std::string source = StringPrintf(" (%s:%d)", filename_.c_str(), command.line());
 
-        LOG(INFO) << "Command '" << cmd_str << "' action=" << trigger_name << source
-                  << " returned " << result << " took " << duration_ms << "ms.";
+        LOG(INFO) << "Command '" << cmd_str << "' action=" << trigger_name << " (" << filename_
+                  << ":" << command.line() << ") returned " << result << " took " << duration_ms
+                  << "ms.";
     }
 }
 
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 1eacb36..c78bec7 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -43,7 +43,6 @@
 #include <android-base/logging.h>
 #include <android-base/parseint.h>
 #include <android-base/properties.h>
-#include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <bootloader_message/bootloader_message.h>
 #include <cutils/android_reboot.h>
@@ -535,11 +534,10 @@
         }
     }
 
-    std::string prop_name = android::base::StringPrintf("ro.boottime.init.mount_all.%s",
-                                                        prop_post_fix);
+    std::string prop_name = "ro.boottime.init.mount_all."s + prop_post_fix;
     Timer t;
     int ret =  mount_fstab(fstabfile, mount_mode);
-    property_set(prop_name.c_str(), std::to_string(t.duration_ms()).c_str());
+    property_set(prop_name, std::to_string(t.duration_ms()));
 
     if (import_rc) {
         /* Paths of .rc files are specified at the 2nd argument and beyond */
@@ -567,9 +565,7 @@
 }
 
 static int do_setprop(const std::vector<std::string>& args) {
-    const char* name = args[1].c_str();
-    const char* value = args[2].c_str();
-    property_set(name, value);
+    property_set(args[1], args[2]);
     return 0;
 }
 
@@ -652,8 +648,7 @@
 
 static void verity_update_property(fstab_rec *fstab, const char *mount_point,
                                    int mode, int status) {
-    property_set(android::base::StringPrintf("partition.%s.verified", mount_point).c_str(),
-                 android::base::StringPrintf("%d", mode).c_str());
+    property_set("partition."s + mount_point + ".verified", std::to_string(mode));
 }
 
 static int do_verity_update_state(const std::vector<std::string>& args) {
diff --git a/init/descriptors.cpp b/init/descriptors.cpp
index 6f729a3..ed65a05 100644
--- a/init/descriptors.cpp
+++ b/init/descriptors.cpp
@@ -58,7 +58,7 @@
   std::for_each(publishedName.begin(), publishedName.end(),
                 [] (char& c) { c = isalnum(c) ? c : '_'; });
 
-  std::string val = android::base::StringPrintf("%d", fd);
+  std::string val = std::to_string(fd);
   add_environment(publishedName.c_str(), val.c_str());
 
   // make sure we don't close on exec
@@ -74,7 +74,8 @@
 }
 
 void SocketInfo::Clean() const {
-  unlink(android::base::StringPrintf(ANDROID_SOCKET_DIR "/%s", name().c_str()).c_str());
+    std::string path = android::base::StringPrintf("%s/%s", ANDROID_SOCKET_DIR, name().c_str());
+    unlink(path.c_str());
 }
 
 int SocketInfo::Create(const std::string& context) const {
diff --git a/init/devices.cpp b/init/devices.cpp
index c52d8f8..2943fb7 100644
--- a/init/devices.cpp
+++ b/init/devices.cpp
@@ -147,21 +147,34 @@
     }
 }
 
-// Given a path that may start with a platform device, find the length of the
-// platform device prefix.  If it doesn't start with a platform device, return false
-bool PlatformDeviceList::Find(const std::string& path, std::string* out_path) const {
-    out_path->clear();
-    // platform_devices is searched backwards, since parents are added before their children,
-    // and we want to match as deep of a child as we can.
-    for (auto it = platform_devices_.crbegin(); it != platform_devices_.crend(); ++it) {
-        auto platform_device_path_length = it->length();
-        if (platform_device_path_length < path.length() &&
-            path[platform_device_path_length] == '/' &&
-            android::base::StartsWith(path, it->c_str())) {
-            *out_path = *it;
+// Given a path that may start with a platform device, find the parent platform device by finding a
+// parent directory with a 'subsystem' symlink that points to the platform bus.
+// If it doesn't start with a platform device, return false
+bool DeviceHandler::FindPlatformDevice(std::string path, std::string* platform_device_path) const {
+    platform_device_path->clear();
+
+    // Uevents don't contain the mount point, so we need to add it here.
+    path.insert(0, sysfs_mount_point_);
+
+    std::string directory = android::base::Dirname(path);
+
+    while (directory != "/" && directory != ".") {
+        std::string subsystem_link_path;
+        if (android::base::Realpath(directory + "/subsystem", &subsystem_link_path) &&
+            subsystem_link_path == sysfs_mount_point_ + "/bus/platform") {
+            // We need to remove the mount point that we added above before returning.
+            directory.erase(0, sysfs_mount_point_.size());
+            *platform_device_path = directory;
             return true;
         }
+
+        auto last_slash = path.rfind('/');
+        if (last_slash == std::string::npos) return false;
+
+        path.erase(last_slash);
+        directory = android::base::Dirname(path);
     }
+
     return false;
 }
 
@@ -258,7 +271,7 @@
 
 std::vector<std::string> DeviceHandler::GetCharacterDeviceSymlinks(const Uevent& uevent) const {
     std::string parent_device;
-    if (!platform_devices_.Find(uevent.path, &parent_device)) return {};
+    if (!FindPlatformDevice(uevent.path, &parent_device)) return {};
 
     // skip path to the parent driver
     std::string path = uevent.path.substr(parent_device.length());
@@ -316,7 +329,7 @@
     std::string device;
     std::string type;
 
-    if (platform_devices_.Find(uevent.path, &device)) {
+    if (FindPlatformDevice(uevent.path, &device)) {
         // Skip /devices/platform or /devices/ if present
         static const std::string devices_platform_prefix = "/devices/platform/";
         static const std::string devices_prefix = "/devices/";
@@ -388,14 +401,6 @@
     }
 }
 
-void DeviceHandler::HandlePlatformDeviceEvent(const Uevent& uevent) {
-    if (uevent.action == "add") {
-        platform_devices_.Add(uevent.path);
-    } else if (uevent.action == "remove") {
-        platform_devices_.Remove(uevent.path);
-    }
-}
-
 void DeviceHandler::HandleBlockDeviceEvent(const Uevent& uevent) const {
     // if it's not a /dev device, nothing to do
     if (uevent.major < 0 || uevent.minor < 0) return;
@@ -458,8 +463,6 @@
 
     if (uevent.subsystem == "block") {
         HandleBlockDeviceEvent(uevent);
-    } else if (uevent.subsystem == "platform") {
-        HandlePlatformDeviceEvent(uevent);
     } else {
         HandleGenericDeviceEvent(uevent);
     }
@@ -472,7 +475,8 @@
       sysfs_permissions_(std::move(sysfs_permissions)),
       subsystems_(std::move(subsystems)),
       sehandle_(selinux_android_file_context_handle()),
-      skip_restorecon_(skip_restorecon) {}
+      skip_restorecon_(skip_restorecon),
+      sysfs_mount_point_("/sys") {}
 
 DeviceHandler::DeviceHandler()
     : DeviceHandler(std::vector<Permissions>{}, std::vector<SysfsPermissions>{},
diff --git a/init/devices.h b/init/devices.h
index 09a0ce3..362c38c 100644
--- a/init/devices.h
+++ b/init/devices.h
@@ -93,20 +93,6 @@
     DevnameSource devname_source_;
 };
 
-class PlatformDeviceList {
-  public:
-    void Add(const std::string& path) { platform_devices_.emplace_back(path); }
-    void Remove(const std::string& path) {
-        auto it = std::find(platform_devices_.begin(), platform_devices_.end(), path);
-        if (it != platform_devices_.end()) platform_devices_.erase(it);
-    }
-    bool Find(const std::string& path, std::string* out_path) const;
-    auto size() const { return platform_devices_.size(); }
-
-  private:
-    std::vector<std::string> platform_devices_;
-};
-
 class DeviceHandler {
   public:
     friend class DeviceHandlerTester;
@@ -119,16 +105,11 @@
 
     void HandleDeviceEvent(const Uevent& uevent);
 
-    void FixupSysPermissions(const std::string& upath, const std::string& subsystem) const;
-
-    void HandlePlatformDeviceEvent(const Uevent& uevent);
-    void HandleBlockDeviceEvent(const Uevent& uevent) const;
-    void HandleGenericDeviceEvent(const Uevent& uevent) const;
-
     std::vector<std::string> GetBlockDeviceSymlinks(const Uevent& uevent) const;
     void set_skip_restorecon(bool value) { skip_restorecon_ = value; }
 
   private:
+    bool FindPlatformDevice(std::string path, std::string* platform_device_path) const;
     std::tuple<mode_t, uid_t, gid_t> GetDevicePermissions(
         const std::string& path, const std::vector<std::string>& links) const;
     void MakeDevice(const std::string& path, int block, int major, int minor,
@@ -136,13 +117,17 @@
     std::vector<std::string> GetCharacterDeviceSymlinks(const Uevent& uevent) const;
     void HandleDevice(const std::string& action, const std::string& devpath, int block, int major,
                       int minor, const std::vector<std::string>& links) const;
+    void FixupSysPermissions(const std::string& upath, const std::string& subsystem) const;
+
+    void HandleBlockDeviceEvent(const Uevent& uevent) const;
+    void HandleGenericDeviceEvent(const Uevent& uevent) const;
 
     std::vector<Permissions> dev_permissions_;
     std::vector<SysfsPermissions> sysfs_permissions_;
     std::vector<Subsystem> subsystems_;
-    PlatformDeviceList platform_devices_;
     selabel_handle* sehandle_;
     bool skip_restorecon_;
+    std::string sysfs_mount_point_;
 };
 
 // Exposed for testing
diff --git a/init/devices_test.cpp b/init/devices_test.cpp
index 41b101b..e1e4e49 100644
--- a/init/devices_test.cpp
+++ b/init/devices_test.cpp
@@ -16,33 +16,29 @@
 
 #include "devices.h"
 
-#include <string>
-#include <vector>
-
 #include <android-base/scopeguard.h>
+#include <android-base/test_utils.h>
 #include <gtest/gtest.h>
 
+#include "util.h"
+
+using namespace std::string_literals;
+
 class DeviceHandlerTester {
   public:
-    void AddPlatformDevice(const std::string& path) {
-        Uevent uevent = {
-            .action = "add", .subsystem = "platform", .path = path,
-        };
-        device_handler_.HandlePlatformDeviceEvent(uevent);
-    }
-
-    void RemovePlatformDevice(const std::string& path) {
-        Uevent uevent = {
-            .action = "remove", .subsystem = "platform", .path = path,
-        };
-        device_handler_.HandlePlatformDeviceEvent(uevent);
-    }
-
-    void TestGetSymlinks(const std::string& platform_device_name, const Uevent& uevent,
+    void TestGetSymlinks(const std::string& platform_device, const Uevent& uevent,
                          const std::vector<std::string> expected_links, bool block) {
-        AddPlatformDevice(platform_device_name);
-        auto platform_device_remover = android::base::make_scope_guard(
-            [this, &platform_device_name]() { RemovePlatformDevice(platform_device_name); });
+        TemporaryDir fake_sys_root;
+        device_handler_.sysfs_mount_point_ = fake_sys_root.path;
+
+        std::string platform_device_dir = fake_sys_root.path + platform_device;
+        mkdir_recursive(platform_device_dir, 0777, nullptr);
+
+        std::string platform_bus = fake_sys_root.path + "/bus/platform"s;
+        mkdir_recursive(platform_bus, 0777, nullptr);
+        symlink(platform_bus.c_str(), (platform_device_dir + "/subsystem").c_str());
+
+        mkdir_recursive(android::base::Dirname(fake_sys_root.path + uevent.path), 0777, nullptr);
 
         std::vector<std::string> result;
         if (block) {
@@ -65,30 +61,6 @@
     DeviceHandler device_handler_;
 };
 
-TEST(device_handler, PlatformDeviceList) {
-    PlatformDeviceList platform_device_list;
-
-    platform_device_list.Add("/devices/platform/some_device_name");
-    platform_device_list.Add("/devices/platform/some_device_name/longer");
-    platform_device_list.Add("/devices/platform/other_device_name");
-    EXPECT_EQ(3U, platform_device_list.size());
-
-    std::string out_path;
-    EXPECT_FALSE(platform_device_list.Find("/devices/platform/not_found", &out_path));
-    EXPECT_EQ("", out_path);
-
-    EXPECT_FALSE(platform_device_list.Find("/devices/platform/some_device_name_with_same_prefix",
-                                           &out_path));
-
-    EXPECT_TRUE(platform_device_list.Find("/devices/platform/some_device_name/longer/longer_child",
-                                          &out_path));
-    EXPECT_EQ("/devices/platform/some_device_name/longer", out_path);
-
-    EXPECT_TRUE(
-        platform_device_list.Find("/devices/platform/some_device_name/other_child", &out_path));
-    EXPECT_EQ("/devices/platform/some_device_name", out_path);
-}
-
 TEST(device_handler, get_character_device_symlinks_success) {
     const char* platform_device = "/devices/platform/some_device_name";
     Uevent uevent = {
diff --git a/init/init.cpp b/init/init.cpp
index 999fada..d6e9130 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -42,7 +42,6 @@
 #include <android-base/file.h>
 #include <android-base/logging.h>
 #include <android-base/properties.h>
-#include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <android-base/unique_fd.h>
 #include <keyutils.h>
@@ -71,9 +70,10 @@
 #include "util.h"
 #include "watchdogd.h"
 
+using namespace std::string_literals;
+
 using android::base::boot_clock;
 using android::base::GetProperty;
-using android::base::StringPrintf;
 
 struct selabel_handle *sehandle;
 struct selabel_handle *sehandle_prop;
@@ -219,7 +219,7 @@
         panic();
     }
 
-    property_set("ro.boottime.init.cold_boot_wait", std::to_string(t.duration_ms()).c_str());
+    property_set("ro.boottime.init.cold_boot_wait", std::to_string(t.duration_ms()));
     return 0;
 }
 
@@ -449,14 +449,14 @@
 
     if (for_emulator) {
         // In the emulator, export any kernel option with the "ro.kernel." prefix.
-        property_set(StringPrintf("ro.kernel.%s", key.c_str()).c_str(), value.c_str());
+        property_set("ro.kernel." + key, value);
         return;
     }
 
     if (key == "qemu") {
         strlcpy(qemu, value.c_str(), sizeof(qemu));
     } else if (android::base::StartsWith(key, "androidboot.")) {
-        property_set(StringPrintf("ro.boot.%s", key.c_str() + 12).c_str(), value.c_str());
+        property_set("ro.boot." + key.substr(12), value);
     }
 }
 
@@ -487,7 +487,7 @@
     };
     for (size_t i = 0; i < arraysize(prop_map); i++) {
         std::string value = GetProperty(prop_map[i].src_prop, "");
-        property_set(prop_map[i].dst_prop, (!value.empty()) ? value.c_str() : prop_map[i].default_value);
+        property_set(prop_map[i].dst_prop, (!value.empty()) ? value : prop_map[i].default_value);
     }
 }
 
@@ -511,8 +511,7 @@
         android::base::ReadFileToString(file_name, &dt_file);
         std::replace(dt_file.begin(), dt_file.end(), ',', '.');
 
-        std::string property_name = StringPrintf("ro.boot.%s", dp->d_name);
-        property_set(property_name.c_str(), dt_file.c_str());
+        property_set("ro.boot."s + dp->d_name, dt_file);
     }
 }
 
@@ -1002,7 +1001,7 @@
 
         static constexpr uint32_t kNanosecondsPerMillisecond = 1e6;
         uint64_t start_ms = start_time.time_since_epoch().count() / kNanosecondsPerMillisecond;
-        setenv("INIT_STARTED_AT", StringPrintf("%" PRIu64, start_ms).c_str(), 1);
+        setenv("INIT_STARTED_AT", std::to_string(start_ms).c_str(), 1);
 
         char* path = argv[0];
         char* args[] = { path, nullptr };
diff --git a/init/init_first_stage.cpp b/init/init_first_stage.cpp
index 0f2b1f3..4faca89 100644
--- a/init/init_first_stage.cpp
+++ b/init/init_first_stage.cpp
@@ -19,6 +19,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 
+#include <chrono>
 #include <memory>
 #include <set>
 #include <string>
@@ -35,6 +36,8 @@
 #include "uevent_listener.h"
 #include "util.h"
 
+using namespace std::chrono_literals;
+
 // Class Declarations
 // ------------------
 class FirstStageMount {
@@ -49,11 +52,11 @@
     bool InitDevices();
 
   protected:
-    void InitRequiredDevices();
-    void InitVerityDevice(const std::string& verity_device);
+    bool InitRequiredDevices();
+    bool InitVerityDevice(const std::string& verity_device);
     bool MountPartitions();
 
-    virtual RegenerationAction UeventCallback(const Uevent& uevent);
+    virtual ListenerAction UeventCallback(const Uevent& uevent);
 
     // Pure virtual functions.
     virtual bool GetRequiredDevices() = 0;
@@ -86,7 +89,7 @@
     ~FirstStageMountVBootV2() override = default;
 
   protected:
-    RegenerationAction UeventCallback(const Uevent& uevent) override;
+    ListenerAction UeventCallback(const Uevent& uevent) override;
     bool GetRequiredDevices() override;
     bool SetUpDmVerity(fstab_rec* fstab_rec) override;
     bool InitAvbHandle();
@@ -141,55 +144,60 @@
 }
 
 bool FirstStageMount::InitDevices() {
-    if (!GetRequiredDevices()) return false;
-
-    InitRequiredDevices();
-
-    // InitRequiredDevices() will remove found partitions from required_devices_partition_names_.
-    // So if it isn't empty here, it means some partitions are not found.
-    if (!required_devices_partition_names_.empty()) {
-        LOG(ERROR) << __FUNCTION__ << "(): partition(s) not found: "
-                   << android::base::Join(required_devices_partition_names_, ", ");
-        return false;
-    } else {
-        return true;
-    }
+    return GetRequiredDevices() && InitRequiredDevices();
 }
 
 // Creates devices with uevent->partition_name matching one in the member variable
 // required_devices_partition_names_. Found partitions will then be removed from it
 // for the subsequent member function to check which devices are NOT created.
-void FirstStageMount::InitRequiredDevices() {
+bool FirstStageMount::InitRequiredDevices() {
     if (required_devices_partition_names_.empty()) {
-        return;
+        return true;
     }
 
     if (need_dm_verity_) {
         const std::string dm_path = "/devices/virtual/misc/device-mapper";
-        uevent_listener_.RegenerateUeventsForPath("/sys" + dm_path,
-                                                  [this, &dm_path](const Uevent& uevent) {
-                                                      if (uevent.path == dm_path) {
-                                                          device_handler_.HandleDeviceEvent(uevent);
-                                                          return RegenerationAction::kStop;
-                                                      }
-                                                      return RegenerationAction::kContinue;
-                                                  });
+        bool found = false;
+        auto dm_callback = [this, &dm_path, &found](const Uevent& uevent) {
+            if (uevent.path == dm_path) {
+                device_handler_.HandleDeviceEvent(uevent);
+                found = true;
+                return ListenerAction::kStop;
+            }
+            return ListenerAction::kContinue;
+        };
+        uevent_listener_.RegenerateUeventsForPath("/sys" + dm_path, dm_callback);
+        if (!found) {
+            uevent_listener_.Poll(dm_callback, 10s);
+        }
+        if (!found) {
+            LOG(ERROR) << "device-mapper device not found";
+            return false;
+        }
     }
 
-    uevent_listener_.RegenerateUevents(
-        [this](const Uevent& uevent) { return UeventCallback(uevent); });
+    auto uevent_callback = [this](const Uevent& uevent) { return UeventCallback(uevent); };
+    uevent_listener_.RegenerateUevents(uevent_callback);
+
+    // UeventCallback() will remove found partitions from required_devices_partition_names_.
+    // So if it isn't empty here, it means some partitions are not found.
+    if (!required_devices_partition_names_.empty()) {
+        uevent_listener_.Poll(uevent_callback, 10s);
+    }
+
+    if (!required_devices_partition_names_.empty()) {
+        LOG(ERROR) << __PRETTY_FUNCTION__ << ": partition(s) not found: "
+                   << android::base::Join(required_devices_partition_names_, ", ");
+        return false;
+    }
+
+    return true;
 }
 
-RegenerationAction FirstStageMount::UeventCallback(const Uevent& uevent) {
-    // We need platform devices to create symlinks.
-    if (uevent.subsystem == "platform") {
-        device_handler_.HandleDeviceEvent(uevent);
-        return RegenerationAction::kContinue;
-    }
-
+ListenerAction FirstStageMount::UeventCallback(const Uevent& uevent) {
     // Ignores everything that is not a block device.
     if (uevent.subsystem != "block") {
-        return RegenerationAction::kContinue;
+        return ListenerAction::kContinue;
     }
 
     if (!uevent.partition_name.empty()) {
@@ -198,34 +206,46 @@
         // suffix when A/B is used.
         auto iter = required_devices_partition_names_.find(uevent.partition_name);
         if (iter != required_devices_partition_names_.end()) {
-            LOG(VERBOSE) << __FUNCTION__ << "(): found partition: " << *iter;
+            LOG(VERBOSE) << __PRETTY_FUNCTION__ << ": found partition: " << *iter;
             required_devices_partition_names_.erase(iter);
             device_handler_.HandleDeviceEvent(uevent);
             if (required_devices_partition_names_.empty()) {
-                return RegenerationAction::kStop;
+                return ListenerAction::kStop;
             } else {
-                return RegenerationAction::kContinue;
+                return ListenerAction::kContinue;
             }
         }
     }
     // Not found a partition or find an unneeded partition, continue to find others.
-    return RegenerationAction::kContinue;
+    return ListenerAction::kContinue;
 }
 
 // Creates "/dev/block/dm-XX" for dm-verity by running coldboot on /sys/block/dm-XX.
-void FirstStageMount::InitVerityDevice(const std::string& verity_device) {
+bool FirstStageMount::InitVerityDevice(const std::string& verity_device) {
     const std::string device_name(basename(verity_device.c_str()));
     const std::string syspath = "/sys/block/" + device_name;
+    bool found = false;
 
-    uevent_listener_.RegenerateUeventsForPath(
-        syspath, [&device_name, &verity_device, this](const Uevent& uevent) {
-            if (uevent.device_name == device_name) {
-                LOG(VERBOSE) << "Creating dm-verity device : " << verity_device;
-                device_handler_.HandleDeviceEvent(uevent);
-                return RegenerationAction::kStop;
-            }
-            return RegenerationAction::kContinue;
-        });
+    auto verity_callback = [&device_name, &verity_device, this, &found](const Uevent& uevent) {
+        if (uevent.device_name == device_name) {
+            LOG(VERBOSE) << "Creating dm-verity device : " << verity_device;
+            device_handler_.HandleDeviceEvent(uevent);
+            found = true;
+            return ListenerAction::kStop;
+        }
+        return ListenerAction::kContinue;
+    };
+
+    uevent_listener_.RegenerateUeventsForPath(syspath, verity_callback);
+    if (!found) {
+        uevent_listener_.Poll(verity_callback, 10s);
+    }
+    if (!found) {
+        LOG(ERROR) << "dm-verity device not found";
+        return false;
+    }
+
+    return true;
 }
 
 bool FirstStageMount::MountPartitions() {
@@ -286,13 +306,17 @@
 bool FirstStageMountVBootV1::SetUpDmVerity(fstab_rec* fstab_rec) {
     if (fs_mgr_is_verified(fstab_rec)) {
         int ret = fs_mgr_setup_verity(fstab_rec, false /* wait_for_verity_dev */);
-        if (ret == FS_MGR_SETUP_VERITY_DISABLED) {
-            LOG(INFO) << "Verity disabled for '" << fstab_rec->mount_point << "'";
-        } else if (ret == FS_MGR_SETUP_VERITY_SUCCESS) {
+        switch (ret) {
+        case FS_MGR_SETUP_VERITY_SKIPPED:
+        case FS_MGR_SETUP_VERITY_DISABLED:
+            LOG(INFO) << "Verity disabled/skipped for '" << fstab_rec->mount_point << "'";
+            break;
+        case FS_MGR_SETUP_VERITY_SUCCESS:
             // The exact block device name (fstab_rec->blk_device) is changed to "/dev/block/dm-XX".
             // Needs to create it because ueventd isn't started in init first stage.
-            InitVerityDevice(fstab_rec->blk_device);
-        } else {
+            return InitVerityDevice(fstab_rec->blk_device);
+            break;
+        default:
             return false;
         }
     }
@@ -351,7 +375,7 @@
     return true;
 }
 
-RegenerationAction FirstStageMountVBootV2::UeventCallback(const Uevent& uevent) {
+ListenerAction FirstStageMountVBootV2::UeventCallback(const Uevent& uevent) {
     // Check if this uevent corresponds to one of the required partitions and store its symlinks if
     // so, in order to create FsManagerAvbHandle later.
     // Note that the parent callback removes partitions from the list of required partitions
diff --git a/init/property_service.cpp b/init/property_service.cpp
index b43da4e..31e6e48 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -45,7 +45,6 @@
 #include <android-base/file.h>
 #include <android-base/logging.h>
 #include <android-base/properties.h>
-#include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <bootimg.h>
 #include <fs_mgr.h>
@@ -56,8 +55,6 @@
 #include "init.h"
 #include "util.h"
 
-using android::base::StringPrintf;
-
 #define PERSISTENT_PROPERTY_DIR  "/data/property"
 #define RECOVERY_MOUNT_POINT "/recovery"
 
@@ -714,7 +711,7 @@
     boot_img_hdr hdr;
     if (android::base::ReadFully(fd, &hdr, sizeof(hdr))) {
         std::string hex = bytes_to_hex(reinterpret_cast<uint8_t*>(hdr.id), sizeof(hdr.id));
-        property_set("ro.recovery_id", hex.c_str());
+        property_set("ro.recovery_id", hex);
     } else {
         PLOG(ERROR) << "error reading /recovery";
     }
diff --git a/init/service.cpp b/init/service.cpp
index b73ddfb..d8c6875 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -198,13 +198,12 @@
         return;
     }
 
-    std::string prop_name = StringPrintf("init.svc.%s", name_.c_str());
-    property_set(prop_name.c_str(), new_state.c_str());
+    std::string prop_name = "init.svc." + name_;
+    property_set(prop_name, new_state);
 
     if (new_state == "running") {
         uint64_t start_ns = time_started_.time_since_epoch().count();
-        property_set(StringPrintf("ro.boottime.%s", name_.c_str()).c_str(),
-                     StringPrintf("%" PRIu64, start_ns).c_str());
+        property_set("ro.boottime." + name_, std::to_string(start_ns));
     }
 }
 
@@ -716,7 +715,7 @@
                     StringPrintf("/dev/cpuset%stasks", default_cpuset.c_str()));
             }
         }
-        std::string pid_str = StringPrintf("%d", getpid());
+        std::string pid_str = std::to_string(getpid());
         for (const auto& file : writepid_files_) {
             if (!WriteStringToFile(pid_str, file)) {
                 PLOG(ERROR) << "couldn't write " << pid_str << " to " << file;
@@ -757,7 +756,7 @@
     }
 
     if (oom_score_adjust_ != -1000) {
-        std::string oom_str = StringPrintf("%d", oom_score_adjust_);
+        std::string oom_str = std::to_string(oom_score_adjust_);
         std::string oom_file = StringPrintf("/proc/%d/oom_score_adj", pid);
         if (!WriteStringToFile(oom_str, oom_file)) {
             PLOG(ERROR) << "couldn't write oom_score_adj: " << strerror(errno);
@@ -776,9 +775,9 @@
     }
 
     if ((flags_ & SVC_EXEC) != 0) {
-        LOG(INFO) << android::base::StringPrintf(
-            "SVC_EXEC pid %d (uid %d gid %d+%zu context %s) started; waiting...", pid_, uid_, gid_,
-            supp_gids_.size(), !seclabel_.empty() ? seclabel_.c_str() : "default");
+        LOG(INFO) << "SVC_EXEC pid " << pid_ << " (uid " << uid_ << " gid " << gid_ << "+"
+                  << supp_gids_.size() << " context "
+                  << (!seclabel_.empty() ? seclabel_ : "default") << ") started; waiting...";
     }
 
     NotifyStateChange("running");
diff --git a/init/signal_handler.cpp b/init/signal_handler.cpp
index 4d56d84..183837b 100644
--- a/init/signal_handler.cpp
+++ b/init/signal_handler.cpp
@@ -21,7 +21,6 @@
 #include <unistd.h>
 
 #include <android-base/logging.h>
-#include <android-base/stringprintf.h>
 
 #include "init.h"
 #include "service.h"
diff --git a/init/uevent_listener.cpp b/init/uevent_listener.cpp
index 27c5d23..c748984 100644
--- a/init/uevent_listener.cpp
+++ b/init/uevent_listener.cpp
@@ -121,8 +121,8 @@
 // make sure we don't overrun the socket's buffer.
 //
 
-RegenerationAction UeventListener::RegenerateUeventsForDir(DIR* d,
-                                                           RegenerateCallback callback) const {
+ListenerAction UeventListener::RegenerateUeventsForDir(DIR* d,
+                                                       const ListenerCallback& callback) const {
     int dfd = dirfd(d);
 
     int fd = openat(dfd, "uevent", O_WRONLY);
@@ -132,7 +132,7 @@
 
         Uevent uevent;
         while (ReadUevent(&uevent)) {
-            if (callback(uevent) == RegenerationAction::kStop) return RegenerationAction::kStop;
+            if (callback(uevent) == ListenerAction::kStop) return ListenerAction::kStop;
         }
     }
 
@@ -147,49 +147,67 @@
         if (d2 == 0) {
             close(fd);
         } else {
-            if (RegenerateUeventsForDir(d2.get(), callback) == RegenerationAction::kStop) {
-                return RegenerationAction::kStop;
+            if (RegenerateUeventsForDir(d2.get(), callback) == ListenerAction::kStop) {
+                return ListenerAction::kStop;
             }
         }
     }
 
     // default is always to continue looking for uevents
-    return RegenerationAction::kContinue;
+    return ListenerAction::kContinue;
 }
 
-RegenerationAction UeventListener::RegenerateUeventsForPath(const std::string& path,
-                                                            RegenerateCallback callback) const {
+ListenerAction UeventListener::RegenerateUeventsForPath(const std::string& path,
+                                                        const ListenerCallback& callback) const {
     std::unique_ptr<DIR, decltype(&closedir)> d(opendir(path.c_str()), closedir);
-    if (!d) return RegenerationAction::kContinue;
+    if (!d) return ListenerAction::kContinue;
 
     return RegenerateUeventsForDir(d.get(), callback);
 }
 
 static const char* kRegenerationPaths[] = {"/sys/class", "/sys/block", "/sys/devices"};
 
-void UeventListener::RegenerateUevents(RegenerateCallback callback) const {
+void UeventListener::RegenerateUevents(const ListenerCallback& callback) const {
     for (const auto path : kRegenerationPaths) {
-        if (RegenerateUeventsForPath(path, callback) == RegenerationAction::kStop) return;
+        if (RegenerateUeventsForPath(path, callback) == ListenerAction::kStop) return;
     }
 }
 
-void UeventListener::DoPolling(PollCallback callback) const {
+void UeventListener::Poll(const ListenerCallback& callback,
+                          const std::optional<std::chrono::milliseconds> relative_timeout) const {
+    using namespace std::chrono;
+
     pollfd ufd;
     ufd.events = POLLIN;
     ufd.fd = device_fd_;
 
+    auto start_time = steady_clock::now();
+
     while (true) {
         ufd.revents = 0;
-        int nr = poll(&ufd, 1, -1);
-        if (nr <= 0) {
+
+        int timeout_ms = -1;
+        if (relative_timeout) {
+            auto now = steady_clock::now();
+            auto time_elapsed = duration_cast<milliseconds>(now - start_time);
+            if (time_elapsed > *relative_timeout) return;
+
+            auto remaining_timeout = *relative_timeout - time_elapsed;
+            timeout_ms = remaining_timeout.count();
+        }
+
+        int nr = poll(&ufd, 1, timeout_ms);
+        if (nr == 0) return;
+        if (nr < 0) {
+            PLOG(ERROR) << "poll() of uevent socket failed, continuing";
             continue;
         }
         if (ufd.revents & POLLIN) {
-            // We're non-blocking, so if we receive a poll event keep processing until there
+            // We're non-blocking, so if we receive a poll event keep processing until
             // we have exhausted all uevent messages.
             Uevent uevent;
             while (ReadUevent(&uevent)) {
-                callback(uevent);
+                if (callback(uevent) == ListenerAction::kStop) return;
             }
         }
     }
diff --git a/init/uevent_listener.h b/init/uevent_listener.h
index ba31aaa..0dae102 100644
--- a/init/uevent_listener.h
+++ b/init/uevent_listener.h
@@ -19,7 +19,9 @@
 
 #include <dirent.h>
 
+#include <chrono>
 #include <functional>
+#include <optional>
 
 #include <android-base/unique_fd.h>
 
@@ -27,26 +29,26 @@
 
 #define UEVENT_MSG_LEN 2048
 
-enum class RegenerationAction {
+enum class ListenerAction {
     kStop = 0,  // Stop regenerating uevents as we've handled the one(s) we're interested in.
     kContinue,  // Continue regenerating uevents as we haven't seen the one(s) we're interested in.
 };
 
-using RegenerateCallback = std::function<RegenerationAction(const Uevent&)>;
-using PollCallback = std::function<void(const Uevent&)>;
+using ListenerCallback = std::function<ListenerAction(const Uevent&)>;
 
 class UeventListener {
   public:
     UeventListener();
 
-    void RegenerateUevents(RegenerateCallback callback) const;
-    RegenerationAction RegenerateUeventsForPath(const std::string& path,
-                                                RegenerateCallback callback) const;
-    void DoPolling(PollCallback callback) const;
+    void RegenerateUevents(const ListenerCallback& callback) const;
+    ListenerAction RegenerateUeventsForPath(const std::string& path,
+                                            const ListenerCallback& callback) const;
+    void Poll(const ListenerCallback& callback,
+              const std::optional<std::chrono::milliseconds> relative_timeout = {}) const;
 
   private:
     bool ReadUevent(Uevent* uevent) const;
-    RegenerationAction RegenerateUeventsForDir(DIR* d, RegenerateCallback callback) const;
+    ListenerAction RegenerateUeventsForDir(DIR* d, const ListenerCallback& callback) const;
 
     android::base::unique_fd device_fd_;
 };
diff --git a/init/ueventd.cpp b/init/ueventd.cpp
index d121647..2fd8058 100644
--- a/init/ueventd.cpp
+++ b/init/ueventd.cpp
@@ -29,7 +29,6 @@
 
 #include <android-base/logging.h>
 #include <android-base/properties.h>
-#include <android-base/stringprintf.h>
 #include <selinux/android.h>
 #include <selinux/selinux.h>
 
@@ -128,15 +127,7 @@
 void ColdBoot::UeventHandlerMain(unsigned int process_num, unsigned int total_processes) {
     for (unsigned int i = process_num; i < uevent_queue_.size(); i += total_processes) {
         auto& uevent = uevent_queue_[i];
-        if (uevent.action == "add" || uevent.action == "change" || uevent.action == "online") {
-            device_handler_.FixupSysPermissions(uevent.path, uevent.subsystem);
-        }
-
-        if (uevent.subsystem == "block") {
-            device_handler_.HandleBlockDeviceEvent(uevent);
-        } else {
-            device_handler_.HandleGenericDeviceEvent(uevent);
-        }
+        device_handler_.HandleDeviceEvent(uevent);
     }
     _exit(EXIT_SUCCESS);
 }
@@ -145,16 +136,8 @@
     uevent_listener_.RegenerateUevents([this](const Uevent& uevent) {
         HandleFirmwareEvent(uevent);
 
-        // This is the one mutable part of DeviceHandler, in which platform devices are
-        // added to a vector for later reference.  Since there is no communication after
-        // fork()'ing subprocess handlers, all platform devices must be in the vector before
-        // we fork, and therefore they must be handled in this loop.
-        if (uevent.subsystem == "platform") {
-            device_handler_.HandlePlatformDeviceEvent(uevent);
-        }
-
         uevent_queue_.emplace_back(std::move(uevent));
-        return RegenerationAction::kContinue;
+        return ListenerAction::kContinue;
     });
 }
 
@@ -282,9 +265,10 @@
         cold_boot.Run();
     }
 
-    uevent_listener.DoPolling([&device_handler](const Uevent& uevent) {
+    uevent_listener.Poll([&device_handler](const Uevent& uevent) {
         HandleFirmwareEvent(uevent);
         device_handler.HandleDeviceEvent(uevent);
+        return ListenerAction::kContinue;
     });
 
     return 0;
diff --git a/libmemunreachable/Allocator.cpp b/libmemunreachable/Allocator.cpp
index 6fe67a4..213be17 100644
--- a/libmemunreachable/Allocator.cpp
+++ b/libmemunreachable/Allocator.cpp
@@ -33,9 +33,11 @@
 
 #include "android-base/macros.h"
 
-#include "anon_vma_naming.h"
 #include "Allocator.h"
 #include "LinkedList.h"
+#include "anon_vma_naming.h"
+
+namespace android {
 
 // runtime interfaces used:
 // abort
@@ -57,10 +59,9 @@
 static constexpr size_t kUsableChunkSize = kChunkSize - kPageSize;
 static constexpr size_t kMaxBucketAllocationSize = kChunkSize / 4;
 static constexpr size_t kMinBucketAllocationSize = 8;
-static constexpr unsigned int kNumBuckets = const_log2(kMaxBucketAllocationSize)
-    - const_log2(kMinBucketAllocationSize) + 1;
-static constexpr unsigned int kUsablePagesPerChunk = kUsableChunkSize
-    / kPageSize;
+static constexpr unsigned int kNumBuckets =
+    const_log2(kMaxBucketAllocationSize) - const_log2(kMinBucketAllocationSize) + 1;
+static constexpr unsigned int kUsablePagesPerChunk = kUsableChunkSize / kPageSize;
 
 std::atomic<int> heap_count;
 
@@ -93,7 +94,7 @@
   void FreeLocked(void* ptr);
 
   struct MapAllocation {
-    void *ptr;
+    void* ptr;
     size_t size;
     MapAllocation* next;
   };
@@ -107,8 +108,7 @@
 }
 
 static inline unsigned int size_to_bucket(size_t size) {
-  if (size < kMinBucketAllocationSize)
-    return kMinBucketAllocationSize;
+  if (size < kMinBucketAllocationSize) return kMinBucketAllocationSize;
   return log2(size - 1) + 1 - const_log2(kMinBucketAllocationSize);
 }
 
@@ -140,8 +140,7 @@
 
   // Trim beginning
   if (aligned_ptr != ptr) {
-    ptrdiff_t extra = reinterpret_cast<uintptr_t>(aligned_ptr)
-        - reinterpret_cast<uintptr_t>(ptr);
+    ptrdiff_t extra = reinterpret_cast<uintptr_t>(aligned_ptr) - reinterpret_cast<uintptr_t>(ptr);
     munmap(ptr, extra);
     map_size -= extra;
     ptr = aligned_ptr;
@@ -151,14 +150,13 @@
   if (map_size != size) {
     assert(map_size > size);
     assert(ptr != NULL);
-    munmap(reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(ptr) + size),
-        map_size - size);
+    munmap(reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(ptr) + size), map_size - size);
   }
 
-#define PR_SET_VMA   0x53564d41
-#define PR_SET_VMA_ANON_NAME    0
-  prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME,
-      reinterpret_cast<uintptr_t>(ptr), size, "leak_detector_malloc");
+#define PR_SET_VMA 0x53564d41
+#define PR_SET_VMA_ANON_NAME 0
+  prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, reinterpret_cast<uintptr_t>(ptr), size,
+        "leak_detector_malloc");
 
   return ptr;
 }
@@ -170,36 +168,31 @@
   Chunk(HeapImpl* heap, int bucket);
   ~Chunk() {}
 
-  void *Alloc();
+  void* Alloc();
   void Free(void* ptr);
   void Purge();
   bool Empty();
 
   static Chunk* ptr_to_chunk(void* ptr) {
-    return reinterpret_cast<Chunk*>(reinterpret_cast<uintptr_t>(ptr)
-        & ~(kChunkSize - 1));
+    return reinterpret_cast<Chunk*>(reinterpret_cast<uintptr_t>(ptr) & ~(kChunkSize - 1));
   }
   static bool is_chunk(void* ptr) {
     return (reinterpret_cast<uintptr_t>(ptr) & (kChunkSize - 1)) != 0;
   }
 
-  unsigned int free_count() {
-    return free_count_;
-  }
-  HeapImpl* heap() {
-    return heap_;
-  }
-  LinkedList<Chunk*> node_; // linked list sorted by minimum free count
+  unsigned int free_count() { return free_count_; }
+  HeapImpl* heap() { return heap_; }
+  LinkedList<Chunk*> node_;  // linked list sorted by minimum free count
 
  private:
   DISALLOW_COPY_AND_ASSIGN(Chunk);
   HeapImpl* heap_;
   unsigned int bucket_;
-  unsigned int allocation_size_; // size of allocations in chunk, min 8 bytes
-  unsigned int max_allocations_; // maximum number of allocations in the chunk
-  unsigned int first_free_bitmap_; // index into bitmap for first non-full entry
-  unsigned int free_count_; // number of available allocations
-  unsigned int frees_since_purge_; // number of calls to Free since last Purge
+  unsigned int allocation_size_;    // size of allocations in chunk, min 8 bytes
+  unsigned int max_allocations_;    // maximum number of allocations in the chunk
+  unsigned int first_free_bitmap_;  // index into bitmap for first non-full entry
+  unsigned int free_count_;         // number of available allocations
+  unsigned int frees_since_purge_;  // number of calls to Free since last Purge
 
   // bitmap of pages that have been dirtied
   uint32_t dirty_pages_[div_round_up(kUsablePagesPerChunk, 32)];
@@ -210,13 +203,10 @@
   char data_[0];
 
   unsigned int ptr_to_n(void* ptr) {
-    ptrdiff_t offset = reinterpret_cast<uintptr_t>(ptr)
-        - reinterpret_cast<uintptr_t>(data_);
+    ptrdiff_t offset = reinterpret_cast<uintptr_t>(ptr) - reinterpret_cast<uintptr_t>(data_);
     return offset / allocation_size_;
   }
-  void* n_to_ptr(unsigned int n) {
-    return data_ + n * allocation_size_;
-  }
+  void* n_to_ptr(unsigned int n) { return data_ + n * allocation_size_; }
 };
 static_assert(sizeof(Chunk) <= kPageSize, "header must fit in page");
 
@@ -225,23 +215,27 @@
   assert(count == sizeof(Chunk));
   void* mem = MapAligned(kChunkSize, kChunkSize);
   if (!mem) {
-    abort(); //throw std::bad_alloc;
+    abort();  // throw std::bad_alloc;
   }
 
   return mem;
 }
 
 // Override new operator on chunk to use mmap to allocate kChunkSize
-void Chunk::operator delete(void *ptr) {
+void Chunk::operator delete(void* ptr) {
   assert(reinterpret_cast<Chunk*>(ptr) == ptr_to_chunk(ptr));
   munmap(ptr, kChunkSize);
 }
 
-Chunk::Chunk(HeapImpl* heap, int bucket) :
-    node_(this), heap_(heap), bucket_(bucket), allocation_size_(
-        bucket_to_size(bucket)), max_allocations_(
-        kUsableChunkSize / allocation_size_), first_free_bitmap_(0), free_count_(
-        max_allocations_), frees_since_purge_(0) {
+Chunk::Chunk(HeapImpl* heap, int bucket)
+    : node_(this),
+      heap_(heap),
+      bucket_(bucket),
+      allocation_size_(bucket_to_size(bucket)),
+      max_allocations_(kUsableChunkSize / allocation_size_),
+      first_free_bitmap_(0),
+      free_count_(max_allocations_),
+      frees_since_purge_(0) {
   memset(dirty_pages_, 0, sizeof(dirty_pages_));
   memset(free_bitmap_, 0xff, sizeof(free_bitmap_));
 }
@@ -254,8 +248,7 @@
   assert(free_count_ > 0);
 
   unsigned int i = first_free_bitmap_;
-  while (free_bitmap_[i] == 0)
-    i++;
+  while (free_bitmap_[i] == 0) i++;
   assert(i < arraysize(free_bitmap_));
   unsigned int bit = __builtin_ffs(free_bitmap_[i]) - 1;
   assert(free_bitmap_[i] & (1U << bit));
@@ -306,38 +299,35 @@
 void Chunk::Purge() {
   frees_since_purge_ = 0;
 
-  //unsigned int allocsPerPage = kPageSize / allocation_size_;
+  // unsigned int allocsPerPage = kPageSize / allocation_size_;
 }
 
 // Override new operator on HeapImpl to use mmap to allocate a page
-void* HeapImpl::operator new(std::size_t count __attribute__((unused)))
-    noexcept {
+void* HeapImpl::operator new(std::size_t count __attribute__((unused))) noexcept {
   assert(count == sizeof(HeapImpl));
   void* mem = MapAligned(kPageSize, kPageSize);
   if (!mem) {
-    abort(); //throw std::bad_alloc;
+    abort();  // throw std::bad_alloc;
   }
 
   heap_count++;
   return mem;
 }
 
-void HeapImpl::operator delete(void *ptr) {
+void HeapImpl::operator delete(void* ptr) {
   munmap(ptr, kPageSize);
 }
 
-HeapImpl::HeapImpl() :
-    free_chunks_(), full_chunks_(), map_allocation_list_(NULL) {
-}
+HeapImpl::HeapImpl() : free_chunks_(), full_chunks_(), map_allocation_list_(NULL) {}
 
 bool HeapImpl::Empty() {
   for (unsigned int i = 0; i < kNumBuckets; i++) {
-    for (LinkedList<Chunk*> *it = free_chunks_[i].next(); it->data() != NULL; it = it->next()) {
+    for (LinkedList<Chunk*>* it = free_chunks_[i].next(); it->data() != NULL; it = it->next()) {
       if (!it->data()->Empty()) {
         return false;
       }
     }
-    for (LinkedList<Chunk*> *it = full_chunks_[i].next(); it->data() != NULL; it = it->next()) {
+    for (LinkedList<Chunk*>* it = full_chunks_[i].next(); it->data() != NULL; it = it->next()) {
       if (!it->data()->Empty()) {
         return false;
       }
@@ -350,12 +340,12 @@
 HeapImpl::~HeapImpl() {
   for (unsigned int i = 0; i < kNumBuckets; i++) {
     while (!free_chunks_[i].empty()) {
-      Chunk *chunk = free_chunks_[i].next()->data();
+      Chunk* chunk = free_chunks_[i].next()->data();
       chunk->node_.remove();
       delete chunk;
     }
     while (!full_chunks_[i].empty()) {
-      Chunk *chunk = full_chunks_[i].next()->data();
+      Chunk* chunk = full_chunks_[i].next()->data();
       chunk->node_.remove();
       delete chunk;
     }
@@ -373,18 +363,18 @@
   }
   int bucket = size_to_bucket(size);
   if (free_chunks_[bucket].empty()) {
-    Chunk *chunk = new Chunk(this, bucket);
+    Chunk* chunk = new Chunk(this, bucket);
     free_chunks_[bucket].insert(chunk->node_);
   }
   return free_chunks_[bucket].next()->data()->Alloc();
 }
 
-void HeapImpl::Free(void *ptr) {
+void HeapImpl::Free(void* ptr) {
   std::lock_guard<std::mutex> lk(m_);
   FreeLocked(ptr);
 }
 
-void HeapImpl::FreeLocked(void *ptr) {
+void HeapImpl::FreeLocked(void* ptr) {
   if (!Chunk::is_chunk(ptr)) {
     HeapImpl::MapFree(ptr);
   } else {
@@ -397,12 +387,11 @@
 void* HeapImpl::MapAlloc(size_t size) {
   size = (size + kPageSize - 1) & ~(kPageSize - 1);
 
-  MapAllocation* allocation = reinterpret_cast<MapAllocation*>(AllocLocked(
-      sizeof(MapAllocation)));
+  MapAllocation* allocation = reinterpret_cast<MapAllocation*>(AllocLocked(sizeof(MapAllocation)));
   void* ptr = MapAligned(size, kChunkSize);
   if (!ptr) {
     FreeLocked(allocation);
-    abort(); //throw std::bad_alloc;
+    abort();  // throw std::bad_alloc;
   }
   allocation->ptr = ptr;
   allocation->size = size;
@@ -412,10 +401,9 @@
   return ptr;
 }
 
-void HeapImpl::MapFree(void *ptr) {
-  MapAllocation **allocation = &map_allocation_list_;
-  while (*allocation && (*allocation)->ptr != ptr)
-    allocation = &(*allocation)->next;
+void HeapImpl::MapFree(void* ptr) {
+  MapAllocation** allocation = &map_allocation_list_;
+  while (*allocation && (*allocation)->ptr != ptr) allocation = &(*allocation)->next;
 
   assert(*allocation != nullptr);
 
@@ -425,22 +413,22 @@
   *allocation = (*allocation)->next;
 }
 
-void HeapImpl::MoveToFreeList(Chunk *chunk, int bucket) {
+void HeapImpl::MoveToFreeList(Chunk* chunk, int bucket) {
   MoveToList(chunk, &free_chunks_[bucket]);
 }
 
-void HeapImpl::MoveToFullList(Chunk *chunk, int bucket) {
+void HeapImpl::MoveToFullList(Chunk* chunk, int bucket) {
   MoveToList(chunk, &full_chunks_[bucket]);
 }
 
-void HeapImpl::MoveToList(Chunk *chunk, LinkedList<Chunk*>* head) {
+void HeapImpl::MoveToList(Chunk* chunk, LinkedList<Chunk*>* head) {
   // Remove from old list
   chunk->node_.remove();
 
-  LinkedList<Chunk*> *node = head;
+  LinkedList<Chunk*>* node = head;
   // Insert into new list, sorted by lowest free count
-  while (node->next() != head && node->data() != nullptr
-      && node->data()->free_count() < chunk->free_count())
+  while (node->next() != head && node->data() != nullptr &&
+         node->data()->free_count() < chunk->free_count())
     node = node->next();
 
   node->insert(chunk->node_);
@@ -469,10 +457,12 @@
   impl_->Free(ptr);
 }
 
-void Heap::deallocate(HeapImpl*impl, void* ptr) {
+void Heap::deallocate(HeapImpl* impl, void* ptr) {
   impl->Free(ptr);
 }
 
 bool Heap::empty() {
   return impl_->Empty();
 }
+
+}  // namespace android
diff --git a/libmemunreachable/Allocator.h b/libmemunreachable/Allocator.h
index 5390739..837a12b 100644
--- a/libmemunreachable/Allocator.h
+++ b/libmemunreachable/Allocator.h
@@ -27,18 +27,20 @@
 #include <unordered_map>
 #include <unordered_set>
 #include <vector>
+
+namespace android {
+
 extern std::atomic<int> heap_count;
 
 class HeapImpl;
 
-template<typename T>
+template <typename T>
 class Allocator;
 
-
 // Non-templated class that implements wraps HeapImpl to keep
 // implementation out of the header file
 class Heap {
-public:
+ public:
   Heap();
   ~Heap();
 
@@ -59,110 +61,99 @@
   static void deallocate(HeapImpl* impl, void* ptr);
 
   // Allocate a class of type T
-  template<class T>
+  template <class T>
   T* allocate() {
     return reinterpret_cast<T*>(allocate(sizeof(T)));
   }
 
   // Comparators, copied objects will be equal
-  bool operator ==(const Heap& other) const {
-    return impl_ == other.impl_;
-  }
-  bool operator !=(const Heap& other) const {
-    return !(*this == other);
-  }
+  bool operator==(const Heap& other) const { return impl_ == other.impl_; }
+  bool operator!=(const Heap& other) const { return !(*this == other); }
 
   // std::unique_ptr wrapper that allocates using allocate and deletes using
   // deallocate
-  template<class T>
+  template <class T>
   using unique_ptr = std::unique_ptr<T, std::function<void(void*)>>;
 
-  template<class T, class... Args>
+  template <class T, class... Args>
   unique_ptr<T> make_unique(Args&&... args) {
     HeapImpl* impl = impl_;
-    return unique_ptr<T>(new (allocate<T>()) T(std::forward<Args>(args)...),
-        [impl](void* ptr) {
-          reinterpret_cast<T*>(ptr)->~T();
-          deallocate(impl, ptr);
-        });
+    return unique_ptr<T>(new (allocate<T>()) T(std::forward<Args>(args)...), [impl](void* ptr) {
+      reinterpret_cast<T*>(ptr)->~T();
+      deallocate(impl, ptr);
+    });
   }
 
   // std::unique_ptr wrapper that allocates using allocate and deletes using
   // deallocate
-  template<class T>
+  template <class T>
   using shared_ptr = std::shared_ptr<T>;
 
-  template<class T, class... Args>
+  template <class T, class... Args>
   shared_ptr<T> make_shared(Args&&... args);
 
-protected:
+ protected:
   HeapImpl* impl_;
   bool owns_impl_;
 };
 
 // STLAllocator implements the std allocator interface on top of a Heap
-template<typename T>
+template <typename T>
 class STLAllocator {
-public:
+ public:
   using value_type = T;
-  ~STLAllocator() {
-  }
+  ~STLAllocator() {}
 
   // Construct an STLAllocator on top of a Heap
-  STLAllocator(const Heap& heap) :  // NOLINT, implicit
-      heap_(heap) {
-  }
+  STLAllocator(const Heap& heap)
+      :  // NOLINT, implicit
+        heap_(heap) {}
 
   // Rebind an STLAllocator from an another STLAllocator
-  template<typename U>
-  STLAllocator(const STLAllocator<U>& other) :  // NOLINT, implicit
-      heap_(other.heap_) {
-  }
+  template <typename U>
+  STLAllocator(const STLAllocator<U>& other)
+      :  // NOLINT, implicit
+        heap_(other.heap_) {}
 
   STLAllocator(const STLAllocator&) = default;
   STLAllocator<T>& operator=(const STLAllocator<T>&) = default;
 
-  T* allocate(std::size_t n) {
-    return reinterpret_cast<T*>(heap_.allocate(n * sizeof(T)));
-  }
+  T* allocate(std::size_t n) { return reinterpret_cast<T*>(heap_.allocate(n * sizeof(T))); }
 
-  void deallocate(T* ptr, std::size_t) {
-    heap_.deallocate(ptr);
-  }
+  void deallocate(T* ptr, std::size_t) { heap_.deallocate(ptr); }
 
-  template<typename U>
-  bool operator ==(const STLAllocator<U>& other) const {
+  template <typename U>
+  bool operator==(const STLAllocator<U>& other) const {
     return heap_ == other.heap_;
   }
-  template<typename U>
-  inline bool operator !=(const STLAllocator<U>& other) const {
+  template <typename U>
+  inline bool operator!=(const STLAllocator<U>& other) const {
     return !(this == other);
   }
 
-  template<typename U>
+  template <typename U>
   friend class STLAllocator;
 
-protected:
+ protected:
   Heap heap_;
 };
 
-
 // Allocator extends STLAllocator with some convenience methods for allocating
 // a single object and for constructing unique_ptr and shared_ptr objects with
 // appropriate deleters.
-template<class T>
+template <class T>
 class Allocator : public STLAllocator<T> {
  public:
   ~Allocator() {}
 
-  Allocator(const Heap& other) : // NOLINT, implicit
-      STLAllocator<T>(other) {
-  }
+  Allocator(const Heap& other)
+      :  // NOLINT, implicit
+        STLAllocator<T>(other) {}
 
-  template<typename U>
-  Allocator(const STLAllocator<U>& other) :  // NOLINT, implicit
-      STLAllocator<T>(other) {
-  }
+  template <typename U>
+  Allocator(const STLAllocator<U>& other)
+      :  // NOLINT, implicit
+        STLAllocator<T>(other) {}
 
   Allocator(const Allocator&) = default;
   Allocator<T>& operator=(const Allocator<T>&) = default;
@@ -171,24 +162,20 @@
   using STLAllocator<T>::deallocate;
   using STLAllocator<T>::heap_;
 
-  T* allocate() {
-    return STLAllocator<T>::allocate(1);
-  }
-  void deallocate(void* ptr) {
-    heap_.deallocate(ptr);
-  }
+  T* allocate() { return STLAllocator<T>::allocate(1); }
+  void deallocate(void* ptr) { heap_.deallocate(ptr); }
 
   using shared_ptr = Heap::shared_ptr<T>;
 
-  template<class... Args>
-  shared_ptr make_shared(Args&& ...args) {
+  template <class... Args>
+  shared_ptr make_shared(Args&&... args) {
     return heap_.template make_shared<T>(std::forward<Args>(args)...);
   }
 
   using unique_ptr = Heap::unique_ptr<T>;
 
-  template<class... Args>
-  unique_ptr make_unique(Args&& ...args) {
+  template <class... Args>
+  unique_ptr make_unique(Args&&... args) {
     return heap_.template make_unique<T>(std::forward<Args>(args)...);
   }
 };
@@ -196,33 +183,36 @@
 // std::unique_ptr wrapper that allocates using allocate and deletes using
 // deallocate.  Implemented outside class definition in order to pass
 // Allocator<T> to shared_ptr.
-template<class T, class... Args>
+template <class T, class... Args>
 inline Heap::shared_ptr<T> Heap::make_shared(Args&&... args) {
   return std::allocate_shared<T, Allocator<T>, Args...>(Allocator<T>(*this),
-      std::forward<Args>(args)...);
+                                                        std::forward<Args>(args)...);
 }
 
 namespace allocator {
 
-template<class T>
+template <class T>
 using vector = std::vector<T, Allocator<T>>;
 
-template<class T>
+template <class T>
 using list = std::list<T, Allocator<T>>;
 
-template<class Key, class T, class Compare = std::less<Key>>
+template <class Key, class T, class Compare = std::less<Key>>
 using map = std::map<Key, T, Compare, Allocator<std::pair<const Key, T>>>;
 
-template<class Key, class T, class Hash = std::hash<Key>, class KeyEqual = std::equal_to<Key>>
-using unordered_map = std::unordered_map<Key, T, Hash, KeyEqual, Allocator<std::pair<const Key, T>>>;
+template <class Key, class T, class Hash = std::hash<Key>, class KeyEqual = std::equal_to<Key>>
+using unordered_map =
+    std::unordered_map<Key, T, Hash, KeyEqual, Allocator<std::pair<const Key, T>>>;
 
-template<class Key, class Hash = std::hash<Key>, class KeyEqual = std::equal_to<Key>>
+template <class Key, class Hash = std::hash<Key>, class KeyEqual = std::equal_to<Key>>
 using unordered_set = std::unordered_set<Key, Hash, KeyEqual, Allocator<Key>>;
 
-template<class Key, class Compare = std::less<Key>>
+template <class Key, class Compare = std::less<Key>>
 using set = std::set<Key, Compare, Allocator<Key>>;
 
 using string = std::basic_string<char, std::char_traits<char>, Allocator<char>>;
 }
 
+}  // namespace android
+
 #endif
diff --git a/libmemunreachable/Android.bp b/libmemunreachable/Android.bp
index 4269eaa..cdac76b 100644
--- a/libmemunreachable/Android.bp
+++ b/libmemunreachable/Android.bp
@@ -23,7 +23,6 @@
 
 cc_library_shared {
     name: "libmemunreachable",
-    vendor_available: true,
     defaults: ["libmemunreachable_defaults"],
     srcs: [
         "Allocator.cpp",
diff --git a/libmemunreachable/HeapWalker.cpp b/libmemunreachable/HeapWalker.cpp
index c365ae5..2403ad0 100644
--- a/libmemunreachable/HeapWalker.cpp
+++ b/libmemunreachable/HeapWalker.cpp
@@ -28,6 +28,8 @@
 #include "ScopedSignalHandler.h"
 #include "log.h"
 
+namespace android {
+
 bool HeapWalker::Allocation(uintptr_t begin, uintptr_t end) {
   if (end == begin) {
     end = begin + 1;
@@ -114,8 +116,8 @@
   return true;
 }
 
-bool HeapWalker::Leaked(allocator::vector<Range>& leaked, size_t limit,
-    size_t* num_leaks_out, size_t* leak_bytes_out) {
+bool HeapWalker::Leaked(allocator::vector<Range>& leaked, size_t limit, size_t* num_leaks_out,
+                        size_t* leak_bytes_out) {
   leaked.clear();
 
   size_t num_leaks = 0;
@@ -148,9 +150,9 @@
 
 static bool MapOverPage(void* addr) {
   const size_t page_size = sysconf(_SC_PAGE_SIZE);
-  void *page = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(addr) & ~(page_size-1));
+  void* page = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(addr) & ~(page_size - 1));
 
-  void* ret = mmap(page, page_size, PROT_READ, MAP_ANONYMOUS|MAP_PRIVATE|MAP_FIXED, -1, 0);
+  void* ret = mmap(page, page_size, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE | MAP_FIXED, -1, 0);
   if (ret == MAP_FAILED) {
     MEM_ALOGE("failed to map page at %p: %s", page, strerror(errno));
     return false;
@@ -159,7 +161,8 @@
   return true;
 }
 
-void HeapWalker::HandleSegFault(ScopedSignalHandler& handler, int signal, siginfo_t* si, void* /*uctx*/) {
+void HeapWalker::HandleSegFault(ScopedSignalHandler& handler, int signal, siginfo_t* si,
+                                void* /*uctx*/) {
   uintptr_t addr = reinterpret_cast<uintptr_t>(si->si_addr);
   if (addr != walking_ptr_) {
     handler.reset();
@@ -172,3 +175,5 @@
 }
 
 ScopedSignalHandler::SignalFn ScopedSignalHandler::handler_;
+
+}  // namespace android
diff --git a/libmemunreachable/HeapWalker.h b/libmemunreachable/HeapWalker.h
index b25696f..5c7ec13 100644
--- a/libmemunreachable/HeapWalker.h
+++ b/libmemunreachable/HeapWalker.h
@@ -25,6 +25,8 @@
 #include "ScopedSignalHandler.h"
 #include "Tarjan.h"
 
+namespace android {
+
 // A range [begin, end)
 struct Range {
   uintptr_t begin;
@@ -34,31 +36,31 @@
   bool operator==(const Range& other) const {
     return this->begin == other.begin && this->end == other.end;
   }
-  bool operator!=(const Range& other) const {
-    return !(*this == other);
-  }
+  bool operator!=(const Range& other) const { return !(*this == other); }
 };
 
 // Comparator for Ranges that returns equivalence for overlapping ranges
 struct compare_range {
-  bool operator()(const Range& a, const Range& b) const {
-    return a.end <= b.begin;
-  }
+  bool operator()(const Range& a, const Range& b) const { return a.end <= b.begin; }
 };
 
 class HeapWalker {
  public:
-  explicit HeapWalker(Allocator<HeapWalker> allocator) : allocator_(allocator),
-    allocations_(allocator), allocation_bytes_(0),
-	roots_(allocator), root_vals_(allocator),
-	segv_handler_(allocator), walking_ptr_(0) {
+  explicit HeapWalker(Allocator<HeapWalker> allocator)
+      : allocator_(allocator),
+        allocations_(allocator),
+        allocation_bytes_(0),
+        roots_(allocator),
+        root_vals_(allocator),
+        segv_handler_(allocator),
+        walking_ptr_(0) {
     valid_allocations_range_.end = 0;
     valid_allocations_range_.begin = ~valid_allocations_range_.end;
 
-    segv_handler_.install(SIGSEGV,
-        [=](ScopedSignalHandler& handler, int signal, siginfo_t* siginfo, void* uctx) {
+    segv_handler_.install(
+        SIGSEGV, [=](ScopedSignalHandler& handler, int signal, siginfo_t* siginfo, void* uctx) {
           this->HandleSegFault(handler, signal, siginfo, uctx);
-      });
+        });
   }
 
   ~HeapWalker() {}
@@ -68,15 +70,14 @@
 
   bool DetectLeaks();
 
-  bool Leaked(allocator::vector<Range>&, size_t limit, size_t* num_leaks,
-      size_t* leak_bytes);
+  bool Leaked(allocator::vector<Range>&, size_t limit, size_t* num_leaks, size_t* leak_bytes);
   size_t Allocations();
   size_t AllocationBytes();
 
-  template<class F>
+  template <class F>
   void ForEachPtrInRange(const Range& range, F&& f);
 
-  template<class F>
+  template <class F>
   void ForEachAllocation(F&& f);
 
   struct AllocationInfo {
@@ -84,7 +85,6 @@
   };
 
  private:
-
   void RecurseRoot(const Range& root);
   bool WordContainsAllocationPtr(uintptr_t ptr, Range* range, AllocationInfo** info);
   void HandleSegFault(ScopedSignalHandler&, int, siginfo_t*, void*);
@@ -103,7 +103,7 @@
   uintptr_t walking_ptr_;
 };
 
-template<class F>
+template <class F>
 inline void HeapWalker::ForEachPtrInRange(const Range& range, F&& f) {
   uintptr_t begin = (range.begin + (sizeof(uintptr_t) - 1)) & ~(sizeof(uintptr_t) - 1);
   // TODO(ccross): we might need to consider a pointer to the end of a buffer
@@ -118,7 +118,7 @@
   }
 }
 
-template<class F>
+template <class F>
 inline void HeapWalker::ForEachAllocation(F&& f) {
   for (auto& it : allocations_) {
     const Range& range = it.first;
@@ -127,4 +127,6 @@
   }
 }
 
+}  // namespace android
+
 #endif
diff --git a/libmemunreachable/Leak.h b/libmemunreachable/Leak.h
index eaeeea7..de64b64 100644
--- a/libmemunreachable/Leak.h
+++ b/libmemunreachable/Leak.h
@@ -26,9 +26,9 @@
 // as a key in std::unordered_map.
 namespace std {
 
-template<>
-struct hash<Leak::Backtrace> {
-  std::size_t operator()(const Leak::Backtrace& key) const {
+template <>
+struct hash<android::Leak::Backtrace> {
+  std::size_t operator()(const android::Leak::Backtrace& key) const {
     std::size_t seed = 0;
 
     hash_combine(seed, key.num_frames);
@@ -40,7 +40,7 @@
   }
 
  private:
-  template<typename T>
+  template <typename T>
   inline void hash_combine(std::size_t& seed, const T& v) const {
     std::hash<T> hasher;
     seed ^= hasher(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
@@ -49,9 +49,12 @@
 
 }  // namespace std
 
+namespace android {
+
 static bool operator==(const Leak::Backtrace& lhs, const Leak::Backtrace& rhs) {
   return (lhs.num_frames == rhs.num_frames) &&
-      memcmp(lhs.frames, rhs.frames, lhs.num_frames * sizeof(lhs.frames[0])) == 0;
+         memcmp(lhs.frames, rhs.frames, lhs.num_frames * sizeof(lhs.frames[0])) == 0;
+}
 }
 
 #endif
diff --git a/libmemunreachable/LeakFolding.cpp b/libmemunreachable/LeakFolding.cpp
index be4d20c..69f320c 100644
--- a/libmemunreachable/LeakFolding.cpp
+++ b/libmemunreachable/LeakFolding.cpp
@@ -22,6 +22,8 @@
 #include "Tarjan.h"
 #include "log.h"
 
+namespace android {
+
 // Converts possibly cyclic graph of leaks to a DAG by combining
 // strongly-connected components into a object, stored in the scc pointer
 // of each node in the component.
@@ -31,11 +33,11 @@
 
   Allocator<SCCInfo> scc_allocator = allocator_;
 
-  for (auto& scc_nodes: scc_list) {
+  for (auto& scc_nodes : scc_list) {
     Allocator<SCCInfo>::unique_ptr leak_scc;
     leak_scc = scc_allocator.make_unique(scc_allocator);
 
-    for (auto& node: scc_nodes) {
+    for (auto& node : scc_nodes) {
       node->ptr->scc = leak_scc.get();
       leak_scc->count++;
       leak_scc->size += node->ptr->range.size();
@@ -46,7 +48,7 @@
 
   for (auto& it : leak_map_) {
     LeakInfo& leak = it.second;
-    for (auto& ref: leak.node.references_out) {
+    for (auto& ref : leak.node.references_out) {
       if (leak.scc != ref->ptr->scc) {
         leak.scc->node.Edge(&ref->ptr->scc->node);
       }
@@ -55,17 +57,14 @@
 }
 
 void LeakFolding::AccumulateLeaks(SCCInfo* dominator) {
-  std::function<void(SCCInfo*)> walk(std::allocator_arg, allocator_,
-      [&](SCCInfo* scc) {
-        if (scc->accumulator != dominator) {
-          scc->accumulator = dominator;
-          dominator->cuumulative_size += scc->size;
-          dominator->cuumulative_count += scc->count;
-          scc->node.Foreach([&](SCCInfo* ref) {
-            walk(ref);
-          });
-        }
-      });
+  std::function<void(SCCInfo*)> walk(std::allocator_arg, allocator_, [&](SCCInfo* scc) {
+    if (scc->accumulator != dominator) {
+      scc->accumulator = dominator;
+      dominator->cuumulative_size += scc->size;
+      dominator->cuumulative_count += scc->count;
+      scc->node.Foreach([&](SCCInfo* ref) { walk(ref); });
+    }
+  });
   walk(dominator);
 }
 
@@ -73,27 +72,25 @@
   Allocator<LeakInfo> leak_allocator = allocator_;
 
   // Find all leaked allocations insert them into leak_map_ and leak_graph_
-  heap_walker_.ForEachAllocation(
-      [&](const Range& range, HeapWalker::AllocationInfo& allocation) {
-        if (!allocation.referenced_from_root) {
-          auto it = leak_map_.emplace(std::piecewise_construct,
-              std::forward_as_tuple(range),
-              std::forward_as_tuple(range, allocator_));
-          LeakInfo& leak = it.first->second;
-          leak_graph_.push_back(&leak.node);
-        }
-      });
+  heap_walker_.ForEachAllocation([&](const Range& range, HeapWalker::AllocationInfo& allocation) {
+    if (!allocation.referenced_from_root) {
+      auto it = leak_map_.emplace(std::piecewise_construct, std::forward_as_tuple(range),
+                                  std::forward_as_tuple(range, allocator_));
+      LeakInfo& leak = it.first->second;
+      leak_graph_.push_back(&leak.node);
+    }
+  });
 
   // Find references between leaked allocations and connect them in leak_graph_
   for (auto& it : leak_map_) {
     LeakInfo& leak = it.second;
     heap_walker_.ForEachPtrInRange(leak.range,
-        [&](Range& ptr_range, HeapWalker::AllocationInfo* ptr_info) {
-          if (!ptr_info->referenced_from_root) {
-            LeakInfo* ptr_leak = &leak_map_.at(ptr_range);
-            leak.node.Edge(&ptr_leak->node);
-          }
-        });
+                                   [&](Range& ptr_range, HeapWalker::AllocationInfo* ptr_info) {
+                                     if (!ptr_info->referenced_from_root) {
+                                       LeakInfo* ptr_leak = &leak_map_.at(ptr_range);
+                                       leak.node.Edge(&ptr_leak->node);
+                                     }
+                                   });
   }
 
   // Convert the cyclic graph to a DAG by grouping strongly connected components
@@ -110,8 +107,8 @@
   return true;
 }
 
-bool LeakFolding::Leaked(allocator::vector<LeakFolding::Leak>& leaked,
-    size_t* num_leaks_out, size_t* leak_bytes_out) {
+bool LeakFolding::Leaked(allocator::vector<LeakFolding::Leak>& leaked, size_t* num_leaks_out,
+                         size_t* leak_bytes_out) {
   size_t num_leaks = 0;
   size_t leak_bytes = 0;
   for (auto& it : leak_map_) {
@@ -123,9 +120,8 @@
   for (auto& it : leak_map_) {
     const LeakInfo& leak = it.second;
     if (leak.scc->dominator) {
-      leaked.emplace_back(Leak{leak.range,
-        leak.scc->cuumulative_count - 1,
-        leak.scc->cuumulative_size - leak.range.size()});
+      leaked.emplace_back(Leak{leak.range, leak.scc->cuumulative_count - 1,
+                               leak.scc->cuumulative_size - leak.range.size()});
     }
   }
 
@@ -138,3 +134,5 @@
 
   return true;
 }
+
+}  // namespace android
diff --git a/libmemunreachable/LeakFolding.h b/libmemunreachable/LeakFolding.h
index 9c6a525..09affac 100644
--- a/libmemunreachable/LeakFolding.h
+++ b/libmemunreachable/LeakFolding.h
@@ -19,11 +19,16 @@
 
 #include "HeapWalker.h"
 
+namespace android {
+
 class LeakFolding {
  public:
   LeakFolding(Allocator<void> allocator, HeapWalker& heap_walker)
-   : allocator_(allocator), heap_walker_(heap_walker),
-     leak_map_(allocator), leak_graph_(allocator), leak_scc_(allocator) {}
+      : allocator_(allocator),
+        heap_walker_(heap_walker),
+        leak_map_(allocator),
+        leak_graph_(allocator),
+        leak_scc_(allocator) {}
 
   bool FoldLeaks();
 
@@ -33,8 +38,7 @@
     size_t referenced_size;
   };
 
-  bool Leaked(allocator::vector<Leak>& leaked,
-      size_t* num_leaks_out, size_t* leak_bytes_out);
+  bool Leaked(allocator::vector<Leak>& leaked, size_t* num_leaks_out, size_t* leak_bytes_out);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LeakFolding);
@@ -54,9 +58,15 @@
     bool dominator;
     SCCInfo* accumulator;
 
-    explicit SCCInfo(Allocator<SCCInfo> allocator) : node(this, allocator),
-        count(0), size(0), cuumulative_count(0), cuumulative_size(0),
-        dominator(false), accumulator(nullptr) {}
+    explicit SCCInfo(Allocator<SCCInfo> allocator)
+        : node(this, allocator),
+          count(0),
+          size(0),
+          cuumulative_count(0),
+          cuumulative_size(0),
+          dominator(false),
+          accumulator(nullptr) {}
+
    private:
     SCCInfo(SCCInfo&&) = delete;
     DISALLOW_COPY_AND_ASSIGN(SCCInfo);
@@ -71,8 +81,7 @@
     SCCInfo* scc;
 
     LeakInfo(const Range& range, Allocator<LeakInfo> allocator)
-        : node(this, allocator), range(range),
-          scc(nullptr) {}
+        : node(this, allocator), range(range), scc(nullptr) {}
 
    private:
     DISALLOW_COPY_AND_ASSIGN(LeakInfo);
@@ -86,4 +95,6 @@
   allocator::vector<Allocator<SCCInfo>::unique_ptr> leak_scc_;
 };
 
-#endif // LIBMEMUNREACHABLE_LEAK_FOLDING_H_
+}  // namespace android
+
+#endif  // LIBMEMUNREACHABLE_LEAK_FOLDING_H_
diff --git a/libmemunreachable/LeakPipe.cpp b/libmemunreachable/LeakPipe.cpp
index 78117e2..8ea9ad6 100644
--- a/libmemunreachable/LeakPipe.cpp
+++ b/libmemunreachable/LeakPipe.cpp
@@ -21,9 +21,11 @@
 
 #include "log.h"
 
+namespace android {
+
 bool LeakPipe::SendFd(int sock, int fd) {
-  struct msghdr hdr{};
-  struct iovec iov{};
+  struct msghdr hdr {};
+  struct iovec iov {};
   unsigned int data = 0xfdfdfdfd;
   alignas(struct cmsghdr) char cmsgbuf[CMSG_SPACE(sizeof(int))];
 
@@ -56,8 +58,8 @@
 }
 
 int LeakPipe::ReceiveFd(int sock) {
-  struct msghdr hdr{};
-  struct iovec iov{};
+  struct msghdr hdr {};
+  struct iovec iov {};
   unsigned int data;
   alignas(struct cmsghdr) char cmsgbuf[CMSG_SPACE(sizeof(int))];
 
@@ -87,3 +89,5 @@
 
   return *(int*)CMSG_DATA(cmsg);
 }
+
+}  // namespace android
diff --git a/libmemunreachable/LeakPipe.h b/libmemunreachable/LeakPipe.h
index 3ea2d8f..94d4aa4 100644
--- a/libmemunreachable/LeakPipe.h
+++ b/libmemunreachable/LeakPipe.h
@@ -26,6 +26,8 @@
 #include "ScopedPipe.h"
 #include "log.h"
 
+namespace android {
+
 // LeakPipe implements a pipe that can transfer vectors of simple objects
 // between processes.  The pipe is created in the sending process and
 // transferred over a socketpair that was created before forking.  This ensures
@@ -34,15 +36,13 @@
 class LeakPipe {
  public:
   LeakPipe() {
-    int ret = socketpair(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0, sv_);
+    int ret = socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, sv_);
     if (ret < 0) {
       MEM_LOG_ALWAYS_FATAL("failed to create socketpair: %s", strerror(errno));
     }
   }
 
-  ~LeakPipe() {
-    Close();
-  }
+  ~LeakPipe() { Close(); }
 
   void Close() {
     close(sv_[0]);
@@ -77,13 +77,9 @@
    public:
     LeakPipeBase() : fd_(-1) {}
 
-    ~LeakPipeBase() {
-      Close();
-    }
+    ~LeakPipeBase() { Close(); }
 
-    void SetFd(int fd) {
-      fd_ = fd;
-    }
+    void SetFd(int fd) { fd_ = fd; }
 
     void Close() {
       close(fd_);
@@ -101,7 +97,7 @@
    public:
     using LeakPipeBase::LeakPipeBase;
 
-    template<typename T>
+    template <typename T>
     bool Send(const T& value) {
       ssize_t ret = TEMP_FAILURE_RETRY(write(fd_, &value, sizeof(T)));
       if (ret < 0) {
@@ -115,7 +111,7 @@
       return true;
     }
 
-    template<class T, class Alloc = std::allocator<T>>
+    template <class T, class Alloc = std::allocator<T>>
     bool SendVector(const std::vector<T, Alloc>& vector) {
       size_t size = vector.size() * sizeof(T);
       if (!Send(size)) {
@@ -139,7 +135,7 @@
    public:
     using LeakPipeBase::LeakPipeBase;
 
-    template<typename T>
+    template <typename T>
     bool Receive(T* value) {
       ssize_t ret = TEMP_FAILURE_RETRY(read(fd_, reinterpret_cast<void*>(value), sizeof(T)));
       if (ret < 0) {
@@ -153,7 +149,7 @@
       return true;
     }
 
-    template<class T, class Alloc = std::allocator<T>>
+    template <class T, class Alloc = std::allocator<T>>
     bool ReceiveVector(std::vector<T, Alloc>& vector) {
       size_t size = 0;
       if (!Receive(&size)) {
@@ -178,16 +174,11 @@
 
       return true;
     }
-
   };
 
-  LeakPipeReceiver& Receiver() {
-    return receiver_;
-  }
+  LeakPipeReceiver& Receiver() { return receiver_; }
 
-  LeakPipeSender& Sender() {
-    return sender_;
-  }
+  LeakPipeSender& Sender() { return sender_; }
 
  private:
   LeakPipeReceiver receiver_;
@@ -198,4 +189,6 @@
   int sv_[2];
 };
 
-#endif // LIBMEMUNREACHABLE_LEAK_PIPE_H_
+}  // namespace android
+
+#endif  // LIBMEMUNREACHABLE_LEAK_PIPE_H_
diff --git a/libmemunreachable/LineBuffer.cpp b/libmemunreachable/LineBuffer.cpp
index d3580c0..4ea0542 100644
--- a/libmemunreachable/LineBuffer.cpp
+++ b/libmemunreachable/LineBuffer.cpp
@@ -23,8 +23,10 @@
 
 #include "LineBuffer.h"
 
-LineBuffer::LineBuffer(int fd, char* buffer, size_t buffer_len) : fd_(fd), buffer_(buffer), buffer_len_(buffer_len) {
-}
+namespace android {
+
+LineBuffer::LineBuffer(int fd, char* buffer, size_t buffer_len)
+    : fd_(fd), buffer_(buffer), buffer_len_(buffer_len) {}
 
 bool LineBuffer::GetLine(char** line, size_t* line_len) {
   while (true) {
@@ -60,3 +62,5 @@
     bytes_ += bytes;
   }
 }
+
+}  // namespace android
diff --git a/libmemunreachable/LineBuffer.h b/libmemunreachable/LineBuffer.h
index a015c46..cc6cd0c 100644
--- a/libmemunreachable/LineBuffer.h
+++ b/libmemunreachable/LineBuffer.h
@@ -19,6 +19,8 @@
 
 #include <stdint.h>
 
+namespace android {
+
 class LineBuffer {
  public:
   LineBuffer(int fd, char* buffer, size_t buffer_len);
@@ -33,4 +35,6 @@
   size_t bytes_ = 0;
 };
 
-#endif // _LIBMEMUNREACHABLE_LINE_BUFFER_H
+}  // namespace android
+
+#endif  // _LIBMEMUNREACHABLE_LINE_BUFFER_H
diff --git a/libmemunreachable/LinkedList.h b/libmemunreachable/LinkedList.h
index 132842d..36fe9fd 100644
--- a/libmemunreachable/LinkedList.h
+++ b/libmemunreachable/LinkedList.h
@@ -17,44 +17,47 @@
 #ifndef LIBMEMUNREACHABLE_LINKED_LIST_H_
 #define LIBMEMUNREACHABLE_LINKED_LIST_H_
 
-template<class T>
+namespace android {
+
+template <class T>
 class LinkedList {
-public:
-    LinkedList() : next_(this), prev_(this), data_() {}
-    explicit LinkedList(T data) : LinkedList() {
-        data_ = data;
-    }
-    ~LinkedList() {}
-    void insert(LinkedList<T>& node) {
-        assert(node.empty());
-        node.next_ = this->next_;
-        node.next_->prev_ = &node;
-        this->next_ = &node;
-        node.prev_ = this;
-    }
-    void remove() {
-        this->next_->prev_ = this->prev_;
-        this->prev_->next_ = this->next_;
-        this->next_ = this;
-        this->prev_ = this;
-    }
-    T data() { return data_; }
-    bool empty() { return next_ == this && prev_ == this; }
-    LinkedList<T> *next() { return next_; }
-private:
-    LinkedList<T> *next_;
-    LinkedList<T> *prev_;
-    T data_;
+ public:
+  LinkedList() : next_(this), prev_(this), data_() {}
+  explicit LinkedList(T data) : LinkedList() { data_ = data; }
+  ~LinkedList() {}
+  void insert(LinkedList<T>& node) {
+    assert(node.empty());
+    node.next_ = this->next_;
+    node.next_->prev_ = &node;
+    this->next_ = &node;
+    node.prev_ = this;
+  }
+  void remove() {
+    this->next_->prev_ = this->prev_;
+    this->prev_->next_ = this->next_;
+    this->next_ = this;
+    this->prev_ = this;
+  }
+  T data() { return data_; }
+  bool empty() { return next_ == this && prev_ == this; }
+  LinkedList<T>* next() { return next_; }
+
+ private:
+  LinkedList<T>* next_;
+  LinkedList<T>* prev_;
+  T data_;
 };
 
-template<class T>
+template <class T>
 class LinkedListHead {
-public:
-    LinkedListHead() : node_() {}
-    ~LinkedListHead() {}
+ public:
+  LinkedListHead() : node_() {}
+  ~LinkedListHead() {}
 
-private:
-    LinkedList<T> node_;
+ private:
+  LinkedList<T> node_;
 };
 
+}  // namespace android
+
 #endif
diff --git a/libmemunreachable/MemUnreachable.cpp b/libmemunreachable/MemUnreachable.cpp
index 1c84744..a1f74c3 100644
--- a/libmemunreachable/MemUnreachable.cpp
+++ b/libmemunreachable/MemUnreachable.cpp
@@ -15,16 +15,17 @@
  */
 
 #include <inttypes.h>
+#include <string.h>
 
 #include <functional>
 #include <iomanip>
 #include <mutex>
-#include <string>
 #include <sstream>
+#include <string>
 #include <unordered_map>
 
-#include <backtrace.h>
 #include <android-base/macros.h>
+#include <backtrace.h>
 
 #include "Allocator.h"
 #include "HeapWalker.h"
@@ -37,30 +38,33 @@
 #include "Semaphore.h"
 #include "ThreadCapture.h"
 
-#include "memunreachable/memunreachable.h"
 #include "bionic.h"
 #include "log.h"
-
-const size_t Leak::contents_length;
+#include "memunreachable/memunreachable.h"
 
 using namespace std::chrono_literals;
 
+namespace android {
+
+const size_t Leak::contents_length;
+
 class MemUnreachable {
  public:
-  MemUnreachable(pid_t pid, Allocator<void> allocator) : pid_(pid), allocator_(allocator),
-      heap_walker_(allocator_) {}
+  MemUnreachable(pid_t pid, Allocator<void> allocator)
+      : pid_(pid), allocator_(allocator), heap_walker_(allocator_) {}
   bool CollectAllocations(const allocator::vector<ThreadInfo>& threads,
-      const allocator::vector<Mapping>& mappings);
-  bool GetUnreachableMemory(allocator::vector<Leak>& leaks, size_t limit,
-      size_t* num_leaks, size_t* leak_bytes);
+                          const allocator::vector<Mapping>& mappings);
+  bool GetUnreachableMemory(allocator::vector<Leak>& leaks, size_t limit, size_t* num_leaks,
+                            size_t* leak_bytes);
   size_t Allocations() { return heap_walker_.Allocations(); }
   size_t AllocationBytes() { return heap_walker_.AllocationBytes(); }
+
  private:
   bool ClassifyMappings(const allocator::vector<Mapping>& mappings,
-      allocator::vector<Mapping>& heap_mappings,
-      allocator::vector<Mapping>& anon_mappings,
-      allocator::vector<Mapping>& globals_mappings,
-      allocator::vector<Mapping>& stack_mappings);
+                        allocator::vector<Mapping>& heap_mappings,
+                        allocator::vector<Mapping>& anon_mappings,
+                        allocator::vector<Mapping>& globals_mappings,
+                        allocator::vector<Mapping>& stack_mappings);
   DISALLOW_COPY_AND_ASSIGN(MemUnreachable);
   pid_t pid_;
   Allocator<void> allocator_;
@@ -68,16 +72,17 @@
 };
 
 static void HeapIterate(const Mapping& heap_mapping,
-    const std::function<void(uintptr_t, size_t)>& func) {
+                        const std::function<void(uintptr_t, size_t)>& func) {
   malloc_iterate(heap_mapping.begin, heap_mapping.end - heap_mapping.begin,
-      [](uintptr_t base, size_t size, void* arg) {
-    auto f = reinterpret_cast<const std::function<void(uintptr_t, size_t)>*>(arg);
-    (*f)(base, size);
-  }, const_cast<void*>(reinterpret_cast<const void*>(&func)));
+                 [](uintptr_t base, size_t size, void* arg) {
+                   auto f = reinterpret_cast<const std::function<void(uintptr_t, size_t)>*>(arg);
+                   (*f)(base, size);
+                 },
+                 const_cast<void*>(reinterpret_cast<const void*>(&func)));
 }
 
 bool MemUnreachable::CollectAllocations(const allocator::vector<ThreadInfo>& threads,
-    const allocator::vector<Mapping>& mappings) {
+                                        const allocator::vector<Mapping>& mappings) {
   MEM_ALOGI("searching process %d for allocations", pid_);
   allocator::vector<Mapping> heap_mappings{mappings};
   allocator::vector<Mapping> anon_mappings{mappings};
@@ -118,8 +123,8 @@
   return true;
 }
 
-bool MemUnreachable::GetUnreachableMemory(allocator::vector<Leak>& leaks,
-    size_t limit, size_t* num_leaks, size_t* leak_bytes) {
+bool MemUnreachable::GetUnreachableMemory(allocator::vector<Leak>& leaks, size_t limit,
+                                          size_t* num_leaks, size_t* leak_bytes) {
   MEM_ALOGI("sweeping process %d for unreachable memory", pid_);
   leaks.clear();
 
@@ -127,7 +132,6 @@
     return false;
   }
 
-
   allocator::vector<Range> leaked1{allocator_};
   heap_walker_.Leaked(leaked1, 0, num_leaks, leak_bytes);
 
@@ -152,12 +156,12 @@
   // in backtrace_map.
   leaks.reserve(leaked.size());
 
-  for (auto& it: leaked) {
+  for (auto& it : leaked) {
     leaks.emplace_back();
     Leak* leak = &leaks.back();
 
-    ssize_t num_backtrace_frames = malloc_backtrace(reinterpret_cast<void*>(it.range.begin),
-        leak->backtrace.frames, leak->backtrace.max_frames);
+    ssize_t num_backtrace_frames = malloc_backtrace(
+        reinterpret_cast<void*>(it.range.begin), leak->backtrace.frames, leak->backtrace.max_frames);
     if (num_backtrace_frames > 0) {
       leak->backtrace.num_frames = num_backtrace_frames;
 
@@ -183,14 +187,13 @@
     leak->referenced_size = it.referenced_size;
     leak->total_size = leak->size + leak->referenced_size;
     memcpy(leak->contents, reinterpret_cast<void*>(it.range.begin),
-        std::min(leak->size, Leak::contents_length));
+           std::min(leak->size, Leak::contents_length));
   }
 
   MEM_ALOGI("folding done");
 
-  std::sort(leaks.begin(), leaks.end(), [](const Leak& a, const Leak& b) {
-    return a.total_size > b.total_size;
-  });
+  std::sort(leaks.begin(), leaks.end(),
+            [](const Leak& a, const Leak& b) { return a.total_size > b.total_size; });
 
   if (leaks.size() > limit) {
     leaks.resize(limit);
@@ -205,11 +208,10 @@
 }
 
 bool MemUnreachable::ClassifyMappings(const allocator::vector<Mapping>& mappings,
-    allocator::vector<Mapping>& heap_mappings,
-    allocator::vector<Mapping>& anon_mappings,
-    allocator::vector<Mapping>& globals_mappings,
-    allocator::vector<Mapping>& stack_mappings)
-{
+                                      allocator::vector<Mapping>& heap_mappings,
+                                      allocator::vector<Mapping>& anon_mappings,
+                                      allocator::vector<Mapping>& globals_mappings,
+                                      allocator::vector<Mapping>& stack_mappings) {
   heap_mappings.clear();
   anon_mappings.clear();
   globals_mappings.clear();
@@ -245,7 +247,8 @@
       stack_mappings.emplace_back(*it);
     } else if (mapping_name.size() == 0) {
       globals_mappings.emplace_back(*it);
-    } else if (has_prefix(mapping_name, "[anon:") && mapping_name != "[anon:leak_detector_malloc]") {
+    } else if (has_prefix(mapping_name, "[anon:") &&
+               mapping_name != "[anon:leak_detector_malloc]") {
       // TODO(ccross): it would be nice to treat named anonymous mappings as
       // possible leaks, but naming something in a .bss or .data section makes
       // it impossible to distinguish them from mmaped and then named mappings.
@@ -256,7 +259,7 @@
   return true;
 }
 
-template<typename T>
+template <typename T>
 static inline const char* plural(T val) {
   return (val == 1) ? "" : "s";
 }
@@ -403,7 +406,6 @@
 }
 
 std::string Leak::ToString(bool log_contents) const {
-
   std::ostringstream oss;
 
   oss << "  " << std::dec << size;
@@ -492,8 +494,8 @@
   oss << std::endl;
 
   for (auto it = leaks.begin(); it != leaks.end(); it++) {
-      oss << it->ToString(log_contents);
-      oss << std::endl;
+    oss << it->ToString(log_contents);
+    oss << std::endl;
   }
 
   return oss.str();
@@ -511,9 +513,11 @@
   return info.ToString(log_contents);
 }
 
+}  // namespace android
+
 bool LogUnreachableMemory(bool log_contents, size_t limit) {
-  UnreachableMemoryInfo info;
-  if (!GetUnreachableMemory(info, limit)) {
+  android::UnreachableMemoryInfo info;
+  if (!android::GetUnreachableMemory(info, limit)) {
     return false;
   }
 
@@ -523,10 +527,9 @@
   return true;
 }
 
-
 bool NoLeaks() {
-  UnreachableMemoryInfo info;
-  if (!GetUnreachableMemory(info, 0)) {
+  android::UnreachableMemoryInfo info;
+  if (!android::GetUnreachableMemory(info, 0)) {
     return false;
   }
 
diff --git a/libmemunreachable/ProcessMappings.cpp b/libmemunreachable/ProcessMappings.cpp
index 57b2321..9a06870 100644
--- a/libmemunreachable/ProcessMappings.cpp
+++ b/libmemunreachable/ProcessMappings.cpp
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#include <inttypes.h>
 #include <fcntl.h>
+#include <inttypes.h>
 #include <string.h>
 #include <unistd.h>
 
@@ -25,6 +25,8 @@
 #include "ProcessMappings.h"
 #include "log.h"
 
+namespace android {
+
 // This function is not re-entrant since it uses a static buffer for
 // the line data.
 bool ProcessMappings(pid_t pid, allocator::vector<Mapping>& mappings) {
@@ -42,8 +44,8 @@
     int name_pos;
     char perms[5];
     Mapping mapping{};
-    if (sscanf(line, "%" SCNxPTR "-%" SCNxPTR " %4s %*x %*x:%*x %*d %n",
-        &mapping.begin, &mapping.end, perms, &name_pos) == 3) {
+    if (sscanf(line, "%" SCNxPTR "-%" SCNxPTR " %4s %*x %*x:%*x %*d %n", &mapping.begin,
+               &mapping.end, perms, &name_pos) == 3) {
       if (perms[0] == 'r') {
         mapping.read = true;
       }
@@ -64,3 +66,5 @@
   }
   return true;
 }
+
+}  // namespace android
diff --git a/libmemunreachable/ProcessMappings.h b/libmemunreachable/ProcessMappings.h
index d3b7496..a0e97e9 100644
--- a/libmemunreachable/ProcessMappings.h
+++ b/libmemunreachable/ProcessMappings.h
@@ -19,6 +19,8 @@
 
 #include "Allocator.h"
 
+namespace android {
+
 struct Mapping {
   uintptr_t begin;
   uintptr_t end;
@@ -33,4 +35,6 @@
 // the line data.
 bool ProcessMappings(pid_t pid, allocator::vector<Mapping>& mappings);
 
-#endif // LIBMEMUNREACHABLE_PROCESS_MAPPING_H_
+}  // namespace android
+
+#endif  // LIBMEMUNREACHABLE_PROCESS_MAPPING_H_
diff --git a/libmemunreachable/PtracerThread.cpp b/libmemunreachable/PtracerThread.cpp
index 73b0493..aca2a82 100644
--- a/libmemunreachable/PtracerThread.cpp
+++ b/libmemunreachable/PtracerThread.cpp
@@ -23,17 +23,19 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 #include <sys/mman.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 #include "android-base/macros.h"
 
+#include "PtracerThread.h"
 #include "anon_vma_naming.h"
 #include "log.h"
-#include "PtracerThread.h"
+
+namespace android {
 
 class Stack {
  public:
@@ -41,7 +43,7 @@
     int prot = PROT_READ | PROT_WRITE;
     int flags = MAP_PRIVATE | MAP_ANONYMOUS;
     page_size_ = sysconf(_SC_PAGE_SIZE);
-    size_ += page_size_*2; // guard pages
+    size_ += page_size_ * 2;  // guard pages
     base_ = mmap(NULL, size_, prot, flags, -1, 0);
     if (base_ == MAP_FAILED) {
       base_ = NULL;
@@ -52,22 +54,20 @@
     mprotect(base_, page_size_, PROT_NONE);
     mprotect(top(), page_size_, PROT_NONE);
   };
-  ~Stack() {
-    munmap(base_, size_);
-  };
+  ~Stack() { munmap(base_, size_); };
   void* top() {
     return reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(base_) + size_ - page_size_);
   };
+
  private:
   DISALLOW_COPY_AND_ASSIGN(Stack);
 
-  void *base_;
+  void* base_;
   size_t size_;
   size_t page_size_;
 };
 
-PtracerThread::PtracerThread(const std::function<int()>& func) :
-    child_pid_(0) {
+PtracerThread::PtracerThread(const std::function<int()>& func) : child_pid_(0) {
   stack_ = std::make_unique<Stack>(PTHREAD_STACK_MIN);
   if (stack_->top() == nullptr) {
     MEM_LOG_ALWAYS_FATAL("failed to mmap child stack: %s", strerror(errno));
@@ -93,14 +93,13 @@
   std::unique_lock<std::mutex> lk(m_);
 
   // Convert from void(*)(void*) to lambda with captures
-  auto proxy = [](void *arg) -> int {
+  auto proxy = [](void* arg) -> int {
     prctl(PR_SET_NAME, "libmemunreachable ptrace thread");
     return (*reinterpret_cast<std::function<int()>*>(arg))();
   };
 
-  child_pid_ = clone(proxy, stack_->top(),
-       CLONE_VM|CLONE_FS|CLONE_FILES/*|CLONE_UNTRACED*/,
-       reinterpret_cast<void*>(&func_));
+  child_pid_ = clone(proxy, stack_->top(), CLONE_VM | CLONE_FS | CLONE_FILES /*|CLONE_UNTRACED*/,
+                     reinterpret_cast<void*>(&func_));
   if (child_pid_ < 0) {
     MEM_ALOGE("failed to clone child: %s", strerror(errno));
     return false;
@@ -151,3 +150,5 @@
 void PtracerThread::ClearTracer() {
   prctl(PR_SET_PTRACER, 0);
 }
+
+}  // namespace android
diff --git a/libmemunreachable/PtracerThread.h b/libmemunreachable/PtracerThread.h
index f88b599..4f9c420 100644
--- a/libmemunreachable/PtracerThread.h
+++ b/libmemunreachable/PtracerThread.h
@@ -24,6 +24,8 @@
 
 #include "Allocator.h"
 
+namespace android {
+
 class Stack;
 
 // PtracerThread is similar to std::thread, except that it creates a "thread"
@@ -36,6 +38,7 @@
   ~PtracerThread();
   bool Start();
   int Join();
+
  private:
   void SetTracer(pid_t);
   void ClearTracer();
@@ -47,4 +50,6 @@
   pid_t child_pid_;
 };
 
-#endif // LIBMEMUNREACHABLE_PTRACER_THREAD_H_
+}  // namespace android
+
+#endif  // LIBMEMUNREACHABLE_PTRACER_THREAD_H_
diff --git a/libmemunreachable/ScopedAlarm.h b/libmemunreachable/ScopedAlarm.h
index 287f479..bb50b9e 100644
--- a/libmemunreachable/ScopedAlarm.h
+++ b/libmemunreachable/ScopedAlarm.h
@@ -23,15 +23,15 @@
 #include <chrono>
 #include <functional>
 
+namespace android {
+
 class ScopedAlarm {
  public:
   ScopedAlarm(std::chrono::microseconds us, std::function<void()> func) {
     func_ = func;
-    struct sigaction oldact{};
-    struct sigaction act{};
-    act.sa_handler = [](int) {
-      ScopedAlarm::func_();
-    };
+    struct sigaction oldact {};
+    struct sigaction act {};
+    act.sa_handler = [](int) { ScopedAlarm::func_(); };
     sigaction(SIGALRM, &act, &oldact);
 
     std::chrono::seconds s = std::chrono::duration_cast<std::chrono::seconds>(us);
@@ -43,11 +43,15 @@
   ~ScopedAlarm() {
     itimerval t = itimerval{};
     setitimer(ITIMER_REAL, &t, NULL);
-    struct sigaction act{};
+    struct sigaction act {};
     act.sa_handler = SIG_DFL;
     sigaction(SIGALRM, &act, NULL);
   }
+
  private:
   static std::function<void()> func_;
 };
+
+}  // namespace android
+
 #endif
diff --git a/libmemunreachable/ScopedDisableMalloc.h b/libmemunreachable/ScopedDisableMalloc.h
index 758d317..655e826 100644
--- a/libmemunreachable/ScopedDisableMalloc.h
+++ b/libmemunreachable/ScopedDisableMalloc.h
@@ -21,16 +21,16 @@
 
 #include "android-base/macros.h"
 
+#include "ScopedAlarm.h"
 #include "bionic.h"
 #include "log.h"
-#include "ScopedAlarm.h"
 
-class DisableMallocGuard{
+namespace android {
+
+class DisableMallocGuard {
  public:
-  DisableMallocGuard() : disabled_(false){}
-  ~DisableMallocGuard() {
-    Enable();
-  }
+  DisableMallocGuard() : disabled_(false) {}
+  ~DisableMallocGuard() { Enable(); }
 
   void Disable() {
     if (!disabled_) {
@@ -45,6 +45,7 @@
       disabled_ = false;
     }
   }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(DisableMallocGuard);
   bool disabled_;
@@ -59,13 +60,9 @@
 // here.
 class ScopedDisableMalloc {
  public:
-  ScopedDisableMalloc() {
-    disable_malloc_.Disable();
-  }
+  ScopedDisableMalloc() { disable_malloc_.Disable(); }
 
-  ~ScopedDisableMalloc() {
-    disable_malloc_.Enable();
-  }
+  ~ScopedDisableMalloc() { disable_malloc_.Enable(); }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScopedDisableMalloc);
@@ -74,18 +71,15 @@
 
 class ScopedDisableMallocTimeout {
  public:
-  explicit ScopedDisableMallocTimeout(std::chrono::milliseconds timeout = std::chrono::milliseconds(2000)) :
-    timeout_(timeout), timed_out_(false), disable_malloc_() {
+  explicit ScopedDisableMallocTimeout(
+      std::chrono::milliseconds timeout = std::chrono::milliseconds(2000))
+      : timeout_(timeout), timed_out_(false), disable_malloc_() {
     Disable();
   }
 
-  ~ScopedDisableMallocTimeout() {
-    Enable();
-  }
+  ~ScopedDisableMallocTimeout() { Enable(); }
 
-  bool timed_out() {
-    return timed_out_;
-  }
+  bool timed_out() { return timed_out_; }
 
   void Enable() {
     disable_malloc_.Enable();
@@ -110,4 +104,6 @@
   DisableMallocGuard disable_malloc_;
 };
 
-#endif // LIBMEMUNREACHABLE_SCOPED_DISABLE_MALLOC_H_
+}  // namespace android
+
+#endif  // LIBMEMUNREACHABLE_SCOPED_DISABLE_MALLOC_H_
diff --git a/libmemunreachable/ScopedPipe.h b/libmemunreachable/ScopedPipe.h
index 7f44953..adabfd8 100644
--- a/libmemunreachable/ScopedPipe.h
+++ b/libmemunreachable/ScopedPipe.h
@@ -21,6 +21,8 @@
 
 #include "log.h"
 
+namespace android {
+
 class ScopedPipe {
  public:
   ScopedPipe() : pipefd_{-1, -1} {
@@ -29,28 +31,22 @@
       MEM_LOG_ALWAYS_FATAL("failed to open pipe");
     }
   }
-  ~ScopedPipe() {
-    Close();
-  }
+  ~ScopedPipe() { Close(); }
 
   ScopedPipe(ScopedPipe&& other) {
     SetReceiver(other.ReleaseReceiver());
     SetSender(other.ReleaseSender());
   }
 
-  ScopedPipe& operator = (ScopedPipe&& other) {
+  ScopedPipe& operator=(ScopedPipe&& other) {
     SetReceiver(other.ReleaseReceiver());
     SetSender(other.ReleaseSender());
     return *this;
   }
 
-  void CloseReceiver() {
-    close(ReleaseReceiver());
-  }
+  void CloseReceiver() { close(ReleaseReceiver()); }
 
-  void CloseSender() {
-    close(ReleaseSender());
-  }
+  void CloseSender() { close(ReleaseSender()); }
 
   void Close() {
     CloseReceiver();
@@ -78,4 +74,7 @@
 
   int pipefd_[2];
 };
+
+}  // namespace android
+
 #endif
diff --git a/libmemunreachable/ScopedSignalHandler.h b/libmemunreachable/ScopedSignalHandler.h
index ada2ae4..f62f368 100644
--- a/libmemunreachable/ScopedSignalHandler.h
+++ b/libmemunreachable/ScopedSignalHandler.h
@@ -26,18 +26,18 @@
 
 #include "log.h"
 
+namespace android {
+
 class ScopedSignalHandler {
  public:
   using Fn = std::function<void(ScopedSignalHandler&, int, siginfo_t*, void*)>;
 
   explicit ScopedSignalHandler(Allocator<Fn> allocator) : allocator_(allocator), signal_(-1) {}
-  ~ScopedSignalHandler() {
-    reset();
-  }
+  ~ScopedSignalHandler() { reset(); }
 
   template <class F>
   void install(int signal, F&& f) {
-    MEM_LOG_ALWAYS_FATAL_IF(signal_ != -1, "ScopedSignalHandler already installed");
+    if (signal != -1) MEM_LOG_ALWAYS_FATAL("ScopedSignalHandler already installed");
 
     handler_ = SignalFn(std::allocator_arg, allocator_,
                         [=](int signal, siginfo_t* si, void* uctx) { f(*this, signal, si, uctx); });
@@ -65,7 +65,6 @@
     }
   }
 
-
  private:
   using SignalFn = std::function<void(int, siginfo_t*, void*)>;
   DISALLOW_COPY_AND_ASSIGN(ScopedSignalHandler);
@@ -77,4 +76,6 @@
   static SignalFn handler_;
 };
 
-#endif // LIBMEMUNREACHABLE_SCOPED_SIGNAL_HANDLER_H_
+}  // namespace android
+
+#endif  // LIBMEMUNREACHABLE_SCOPED_SIGNAL_HANDLER_H_
diff --git a/libmemunreachable/Semaphore.h b/libmemunreachable/Semaphore.h
index 6bcf4ea..cd73972 100644
--- a/libmemunreachable/Semaphore.h
+++ b/libmemunreachable/Semaphore.h
@@ -22,6 +22,8 @@
 
 #include "android-base/macros.h"
 
+namespace android {
+
 class Semaphore {
  public:
   explicit Semaphore(int count = 0) : count_(count) {}
@@ -29,7 +31,7 @@
 
   void Wait(std::chrono::milliseconds ms) {
     std::unique_lock<std::mutex> lk(m_);
-    cv_.wait_for(lk, ms, [&]{
+    cv_.wait_for(lk, ms, [&] {
       if (count_ > 0) {
         count_--;
         return true;
@@ -44,6 +46,7 @@
     }
     cv_.notify_one();
   }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(Semaphore);
 
@@ -52,5 +55,6 @@
   std::condition_variable cv_;
 };
 
+}  // namespace android
 
-#endif // LIBMEMUNREACHABLE_SEMAPHORE_H_
+#endif  // LIBMEMUNREACHABLE_SEMAPHORE_H_
diff --git a/libmemunreachable/Tarjan.h b/libmemunreachable/Tarjan.h
index 2546341..355679f 100644
--- a/libmemunreachable/Tarjan.h
+++ b/libmemunreachable/Tarjan.h
@@ -24,7 +24,9 @@
 
 #include "Allocator.h"
 
-template<class T>
+namespace android {
+
+template <class T>
 class Node {
  public:
   allocator::set<Node<T>*> references_in;
@@ -34,39 +36,41 @@
 
   T* ptr;
 
-  Node(T* ptr, Allocator<Node> allocator) : references_in(allocator), references_out(allocator),
-      ptr(ptr) {};
+  Node(T* ptr, Allocator<Node> allocator)
+      : references_in(allocator), references_out(allocator), ptr(ptr){};
   Node(Node&& rhs) = default;
   void Edge(Node<T>* ref) {
     references_out.emplace(ref);
     ref->references_in.emplace(this);
   }
-  template<class F>
+  template <class F>
   void Foreach(F&& f) {
-    for (auto& node: references_out) {
+    for (auto& node : references_out) {
       f(node->ptr);
     }
   }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(Node<T>);
 };
 
-template<class T>
+template <class T>
 using Graph = allocator::vector<Node<T>*>;
 
-template<class T>
+template <class T>
 using SCC = allocator::vector<Node<T>*>;
 
-template<class T>
+template <class T>
 using SCCList = allocator::vector<SCC<T>>;
 
-template<class T>
+template <class T>
 class TarjanAlgorithm {
  public:
-  explicit TarjanAlgorithm(Allocator<void> allocator) : index_(0),
-    stack_(allocator), components_(allocator) {}
+  explicit TarjanAlgorithm(Allocator<void> allocator)
+      : index_(0), stack_(allocator), components_(allocator) {}
 
   void Execute(Graph<T>& graph, SCCList<T>& out);
+
  private:
   static constexpr size_t UNDEFINED_INDEX = static_cast<size_t>(-1);
   void Tarjan(Node<T>* vertex, Graph<T>& graph);
@@ -76,17 +80,17 @@
   SCCList<T> components_;
 };
 
-template<class T>
+template <class T>
 void TarjanAlgorithm<T>::Execute(Graph<T>& graph, SCCList<T>& out) {
   stack_.clear();
   components_.clear();
   index_ = 0;
-  for (auto& it: graph) {
+  for (auto& it : graph) {
     it->index = UNDEFINED_INDEX;
     it->lowlink = UNDEFINED_INDEX;
   }
 
-  for (auto& it: graph) {
+  for (auto& it : graph) {
     if (it->index == UNDEFINED_INDEX) {
       Tarjan(it, graph);
     }
@@ -94,14 +98,14 @@
   out.swap(components_);
 }
 
-template<class T>
+template <class T>
 void TarjanAlgorithm<T>::Tarjan(Node<T>* vertex, Graph<T>& graph) {
   assert(vertex->index == UNDEFINED_INDEX);
   vertex->index = index_;
   vertex->lowlink = index_;
   index_++;
   stack_.push_back(vertex);
-  for (auto& it: vertex->references_out) {
+  for (auto& it : vertex->references_out) {
     Node<T>* vertex_next = it;
     if (vertex_next->index == UNDEFINED_INDEX) {
       Tarjan(vertex_next, graph);
@@ -123,10 +127,12 @@
   }
 }
 
-template<class T>
+template <class T>
 void Tarjan(Graph<T>& graph, SCCList<T>& out) {
   TarjanAlgorithm<T> tarjan{graph.get_allocator()};
   tarjan.Execute(graph, out);
 }
 
-#endif // LIBMEMUNREACHABLE_TARJAN_H_
+}  // namespace android
+
+#endif  // LIBMEMUNREACHABLE_TARJAN_H_
diff --git a/libmemunreachable/ThreadCapture.cpp b/libmemunreachable/ThreadCapture.cpp
index 3891f2d..45eb55d 100644
--- a/libmemunreachable/ThreadCapture.cpp
+++ b/libmemunreachable/ThreadCapture.cpp
@@ -21,13 +21,13 @@
 #include <fcntl.h>
 #include <limits.h>
 #include <stdlib.h>
-#include <unistd.h>
 #include <sys/ptrace.h>
 #include <sys/stat.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
 #include <sys/uio.h>
 #include <sys/wait.h>
+#include <unistd.h>
 
 #include <map>
 #include <memory>
@@ -39,6 +39,8 @@
 #include "Allocator.h"
 #include "log.h"
 
+namespace android {
+
 // bionic interfaces used:
 // atoi
 // strlcat
@@ -50,12 +52,12 @@
 // Convert a pid > 0 to a string.  sprintf might allocate, so we can't use it.
 // Returns a pointer somewhere in buf to a null terminated string, or NULL
 // on error.
-static char *pid_to_str(char *buf, size_t len, pid_t pid) {
+static char* pid_to_str(char* buf, size_t len, pid_t pid) {
   if (pid <= 0) {
     return nullptr;
   }
 
-  char *ptr = buf + len - 1;
+  char* ptr = buf + len - 1;
   *ptr = 0;
   while (pid > 0) {
     ptr--;
@@ -79,6 +81,7 @@
   bool ReleaseThread(pid_t tid);
   bool CapturedThreadInfo(ThreadInfoList& threads);
   void InjectTestFunc(std::function<void(pid_t)>&& f) { inject_test_func_ = f; }
+
  private:
   int CaptureThread(pid_t tid);
   bool ReleaseThread(pid_t tid, unsigned int signal);
@@ -92,9 +95,8 @@
   std::function<void(pid_t)> inject_test_func_;
 };
 
-ThreadCaptureImpl::ThreadCaptureImpl(pid_t pid, Allocator<ThreadCaptureImpl>& allocator) :
-    captured_threads_(allocator), allocator_(allocator), pid_(pid) {
-}
+ThreadCaptureImpl::ThreadCaptureImpl(pid_t pid, Allocator<ThreadCaptureImpl>& allocator)
+    : captured_threads_(allocator), allocator_(allocator), pid_(pid) {}
 
 bool ThreadCaptureImpl::ListThreads(TidList& tids) {
   tids.clear();
@@ -115,11 +117,11 @@
   }
 
   struct linux_dirent64 {
-    uint64_t  d_ino;
-    int64_t   d_off;
-    uint16_t  d_reclen;
-    char      d_type;
-    char      d_name[];
+    uint64_t d_ino;
+    int64_t d_off;
+    uint16_t d_reclen;
+    char d_type;
+    char d_name[];
   } __attribute((packed));
   char dirent_buf[4096];
   ssize_t nread;
@@ -209,7 +211,7 @@
 bool ThreadCaptureImpl::PtraceThreadInfo(pid_t tid, ThreadInfo& thread_info) {
   thread_info.tid = tid;
 
-  const unsigned int max_num_regs = 128; // larger than number of registers on any device
+  const unsigned int max_num_regs = 128;  // larger than number of registers on any device
   uintptr_t regs[max_num_regs];
   struct iovec iovec;
   iovec.iov_base = &regs;
@@ -243,7 +245,7 @@
 
   thread_info.stack = std::pair<uintptr_t, uintptr_t>(regs[sp], 0);
 
-   return true;
+  return true;
 }
 
 int ThreadCaptureImpl::CaptureThread(pid_t tid) {
@@ -266,7 +268,7 @@
 
   unsigned int resume_signal = 0;
 
-  unsigned int signal =  WSTOPSIG(status);
+  unsigned int signal = WSTOPSIG(status);
   if ((status >> 16) == PTRACE_EVENT_STOP) {
     switch (signal) {
       case SIGSTOP:
@@ -307,7 +309,7 @@
 
 bool ThreadCaptureImpl::ReleaseThreads() {
   bool ret = true;
-  for (auto it = captured_threads_.begin(); it != captured_threads_.end(); ) {
+  for (auto it = captured_threads_.begin(); it != captured_threads_.end();) {
     if (ReleaseThread(it->first, it->second)) {
       it = captured_threads_.erase(it);
     } else {
@@ -361,3 +363,5 @@
 void ThreadCapture::InjectTestFunc(std::function<void(pid_t)>&& f) {
   impl_->InjectTestFunc(std::forward<std::function<void(pid_t)>>(f));
 }
+
+}  // namespace android
diff --git a/libmemunreachable/ThreadCapture.h b/libmemunreachable/ThreadCapture.h
index 1022cad..961cb60 100644
--- a/libmemunreachable/ThreadCapture.h
+++ b/libmemunreachable/ThreadCapture.h
@@ -21,6 +21,8 @@
 
 #include "Allocator.h"
 
+namespace android {
+
 struct ThreadInfo {
   pid_t tid;
   allocator::vector<uintptr_t> regs;
@@ -33,7 +35,7 @@
 class ThreadCaptureImpl;
 
 class ThreadCapture {
-public:
+ public:
   ThreadCapture(pid_t pid, Allocator<ThreadCapture> allocator);
   ~ThreadCapture();
 
@@ -44,11 +46,13 @@
   bool CapturedThreadInfo(ThreadInfoList& threads);
   void InjectTestFunc(std::function<void(pid_t)>&& f);
 
-private:
+ private:
   ThreadCapture(const ThreadCapture&) = delete;
   void operator=(const ThreadCapture&) = delete;
 
   Allocator<ThreadCaptureImpl>::unique_ptr impl_;
 };
 
+}  // namespace android
+
 #endif
diff --git a/libmemunreachable/anon_vma_naming.h b/libmemunreachable/anon_vma_naming.h
index 1e4ade1..fb31e41 100644
--- a/libmemunreachable/anon_vma_naming.h
+++ b/libmemunreachable/anon_vma_naming.h
@@ -19,7 +19,7 @@
 
 #include <sys/prctl.h>
 
-#define PR_SET_VMA            0x53564d41
-#define  PR_SET_VMA_ANON_NAME 0
+#define PR_SET_VMA 0x53564d41
+#define PR_SET_VMA_ANON_NAME 0
 
-#endif // LIBMEMUNREACHABLE_ANON_VMA_NAMING_H_
+#endif  // LIBMEMUNREACHABLE_ANON_VMA_NAMING_H_
diff --git a/libmemunreachable/bionic.h b/libmemunreachable/bionic.h
index 83d07a8..dd1ec79 100644
--- a/libmemunreachable/bionic.h
+++ b/libmemunreachable/bionic.h
@@ -17,9 +17,9 @@
 #ifndef LIBMEMUNREACHABLE_BIONIC_H_
 #define LIBMEMUNREACHABLE_BIONIC_H_
 
-#include <sys/cdefs.h>
 #include <stdint.h>
 #include <stdlib.h>
+#include <sys/cdefs.h>
 
 __BEGIN_DECLS
 
@@ -27,9 +27,9 @@
 extern void malloc_disable();
 extern void malloc_enable();
 extern int malloc_iterate(uintptr_t base, size_t size,
-    void (*callback)(uintptr_t base, size_t size, void* arg), void* arg);
+                          void (*callback)(uintptr_t base, size_t size, void* arg), void* arg);
 extern ssize_t malloc_backtrace(void* pointer, uintptr_t* frames, size_t frame_count);
 
 __END_DECLS
 
-#endif // LIBMEMUNREACHABLE_BIONIC_H_
+#endif  // LIBMEMUNREACHABLE_BIONIC_H_
diff --git a/libmemunreachable/include/memunreachable/memunreachable.h b/libmemunreachable/include/memunreachable/memunreachable.h
index 9b227fd..438fcaf 100644
--- a/libmemunreachable/include/memunreachable/memunreachable.h
+++ b/libmemunreachable/include/memunreachable/memunreachable.h
@@ -17,12 +17,15 @@
 #ifndef LIBMEMUNREACHABLE_MEMUNREACHABLE_H_
 #define LIBMEMUNREACHABLE_MEMUNREACHABLE_H_
 
+#include <string.h>
 #include <sys/cdefs.h>
 
 #ifdef __cplusplus
 
-#include <vector>
 #include <string>
+#include <vector>
+
+namespace android {
 
 struct Leak {
   uintptr_t begin;
@@ -73,6 +76,8 @@
 
 std::string GetUnreachableMemoryString(bool log_contents = false, size_t limit = 100);
 
+}  // namespace android
+
 #endif
 
 __BEGIN_DECLS
@@ -83,4 +88,4 @@
 
 __END_DECLS
 
-#endif // LIBMEMUNREACHABLE_MEMUNREACHABLE_H_
+#endif  // LIBMEMUNREACHABLE_MEMUNREACHABLE_H_
diff --git a/libmemunreachable/log.h b/libmemunreachable/log.h
index 1725c53..44c5f85 100644
--- a/libmemunreachable/log.h
+++ b/libmemunreachable/log.h
@@ -26,13 +26,21 @@
 #define MEM_ALOGE(...) async_safe_format_log(ANDROID_LOG_ERROR, LOG_TAG, ##__VA_ARGS__)
 #define MEM_ALOGW(...) async_safe_format_log(ANDROID_LOG_WARN, LOG_TAG, ##__VA_ARGS__)
 #define MEM_ALOGI(...) async_safe_format_log(ANDROID_LOG_INFO, LOG_TAG, ##__VA_ARGS__)
-#define MEM_ALOGV(...) async_safe_format_log(ANDROID_LOG_VERBOSE, LOG_TAG, ##__VA_ARGS__)
+#define MEM_ALOGV_IMPL(...) async_safe_format_log(ANDROID_LOG_VERBOSE, LOG_TAG, ##__VA_ARGS__)
+
+#ifdef NDEBUG
+#define MEM_ALOGV(...)             \
+  do {                             \
+    if (0) {                       \
+      MEM_ALOGV_IMPL(__VA_ARGS__); \
+    }                              \
+  } while (0)
+#else
+#define MEM_ALOGV(...) MEM_ALOGV_IMPL(__VA_ARGS__)
+#endif
 
 #define MEM_LOG_ALWAYS_FATAL(...) async_safe_fatal(__VA_ARGS__)
 
-#define MEM_LOG_ALWAYS_FATAL_IF(cond, ...) \
-  ((__predict_false(cond)) ? async_safe_fatal(__VA_ARGS__) : (void)0)
-
 #else
 
 #include <log/log.h>
@@ -43,8 +51,7 @@
 #define MEM_ALOGI ALOGI
 
 #define MEM_LOG_ALWAYS_FATAL LOG_ALWAYS_FATAL
-#define MEM_LOG_ALWAYS_FATAL_IF LOG_ALWAYS_FATAL_IF
 
 #endif
 
-#endif // LIBMEMUNREACHABLE_LOG_H_
+#endif  // LIBMEMUNREACHABLE_LOG_H_
diff --git a/libmemunreachable/tests/Allocator_test.cpp b/libmemunreachable/tests/Allocator_test.cpp
index 21c8218..8991a7b 100644
--- a/libmemunreachable/tests/Allocator_test.cpp
+++ b/libmemunreachable/tests/Allocator_test.cpp
@@ -16,44 +16,44 @@
 
 #include <Allocator.h>
 
-#include <gtest/gtest.h>
 #include <ScopedDisableMalloc.h>
+#include <gtest/gtest.h>
 
+namespace android {
 
 std::function<void()> ScopedAlarm::func_;
 
 class AllocatorTest : public testing::Test {
  protected:
   AllocatorTest() : heap(), disable_malloc_() {}
-  virtual void SetUp() {
-    heap_count = 0;
-  }
+  virtual void SetUp() { heap_count = 0; }
   virtual void TearDown() {
     ASSERT_EQ(heap_count, 0);
     ASSERT_TRUE(heap.empty());
     ASSERT_FALSE(disable_malloc_.timed_out());
   }
   Heap heap;
+
  private:
   ScopedDisableMallocTimeout disable_malloc_;
 };
 
 TEST_F(AllocatorTest, simple) {
   Allocator<char[100]> allocator(heap);
-  void *ptr = allocator.allocate();
+  void* ptr = allocator.allocate();
   ASSERT_TRUE(ptr != NULL);
   allocator.deallocate(ptr);
 }
 
 TEST_F(AllocatorTest, multiple) {
   Allocator<char[100]> allocator(heap);
-  void *ptr1 = allocator.allocate();
+  void* ptr1 = allocator.allocate();
   ASSERT_TRUE(ptr1 != NULL);
-  void *ptr2 = allocator.allocate();
+  void* ptr2 = allocator.allocate();
   ASSERT_TRUE(ptr2 != NULL);
   ASSERT_NE(ptr1, ptr2);
   allocator.deallocate(ptr1);
-  void *ptr3 = allocator.allocate();
+  void* ptr3 = allocator.allocate();
   ASSERT_EQ(ptr1, ptr3);
   allocator.deallocate(ptr3);
   allocator.deallocate(ptr2);
@@ -63,7 +63,7 @@
   const int num = 4096;
   const int size = 128;
   Allocator<char[size]> allocator(heap);
-  void *ptr[num];
+  void* ptr[num];
   for (int i = 0; i < num; i++) {
     ptr[i] = allocator.allocate();
     memset(ptr[i], 0xaa, size);
@@ -87,7 +87,7 @@
 TEST_F(AllocatorTest, large) {
   const size_t size = 1024 * 1024;
   Allocator<char[size]> allocator(heap);
-  void *ptr = allocator.allocate();
+  void* ptr = allocator.allocate();
   memset(ptr, 0xaa, size);
   allocator.deallocate(ptr);
 }
@@ -96,7 +96,7 @@
   const int num = 128;
   const int size = 1024 * 1024;
   Allocator<char[size]> allocator(heap);
-  void *ptr[num];
+  void* ptr[num];
   for (int i = 0; i < num; i++) {
     ptr[i] = allocator.allocate();
     memset(ptr[i], 0xaa, size);
@@ -172,3 +172,5 @@
 
   ASSERT_NE(ptr, nullptr);
 }
+
+}  // namespace android
diff --git a/libmemunreachable/tests/DisableMalloc_test.cpp b/libmemunreachable/tests/DisableMalloc_test.cpp
index 4e6155b..c630049 100644
--- a/libmemunreachable/tests/DisableMalloc_test.cpp
+++ b/libmemunreachable/tests/DisableMalloc_test.cpp
@@ -19,11 +19,13 @@
 #include <chrono>
 #include <functional>
 
-#include <gtest/gtest.h>
 #include <ScopedDisableMalloc.h>
+#include <gtest/gtest.h>
 
 using namespace std::chrono_literals;
 
+namespace android {
+
 class DisableMallocTest : public ::testing::Test {
  protected:
   void alarm(std::chrono::microseconds us) {
@@ -36,75 +38,83 @@
 };
 
 TEST_F(DisableMallocTest, reenable) {
-  ASSERT_EXIT({
-    alarm(100ms);
-    void *ptr1 = malloc(128);
-    ASSERT_NE(ptr1, nullptr);
-    free(ptr1);
-    {
-      ScopedDisableMalloc disable_malloc;
-    }
-    void *ptr2 = malloc(128);
-    ASSERT_NE(ptr2, nullptr);
-    free(ptr2);
-    _exit(1);
-  }, ::testing::ExitedWithCode(1), "");
+  ASSERT_EXIT(
+      {
+        alarm(100ms);
+        void* ptr1 = malloc(128);
+        ASSERT_NE(ptr1, nullptr);
+        free(ptr1);
+        { ScopedDisableMalloc disable_malloc; }
+        void* ptr2 = malloc(128);
+        ASSERT_NE(ptr2, nullptr);
+        free(ptr2);
+        _exit(1);
+      },
+      ::testing::ExitedWithCode(1), "");
 }
 
 TEST_F(DisableMallocTest, deadlock_allocate) {
-  ASSERT_DEATH({
-    void *ptr = malloc(128);
-    ASSERT_NE(ptr, nullptr);
-    free(ptr);
-    {
-      alarm(100ms);
-      ScopedDisableMalloc disable_malloc;
-      void* ptr = malloc(128);
-      ASSERT_NE(ptr, nullptr);
-      free(ptr);
-    }
-  }, "");
+  ASSERT_DEATH(
+      {
+        void* ptr = malloc(128);
+        ASSERT_NE(ptr, nullptr);
+        free(ptr);
+        {
+          alarm(100ms);
+          ScopedDisableMalloc disable_malloc;
+          void* ptr = malloc(128);
+          ASSERT_NE(ptr, nullptr);
+          free(ptr);
+        }
+      },
+      "");
 }
 
 TEST_F(DisableMallocTest, deadlock_new) {
-  ASSERT_DEATH({
-    char* ptr = new(char);
-    ASSERT_NE(ptr, nullptr);
-    delete(ptr);
-    {
-      alarm(100ms);
-      ScopedDisableMalloc disable_malloc;
-      char* ptr = new (std::nothrow)(char);
-      ASSERT_NE(ptr, nullptr);
-      delete(ptr);
-    }
-  }, "");
+  ASSERT_DEATH(
+      {
+        char* ptr = new (char);
+        ASSERT_NE(ptr, nullptr);
+        delete (ptr);
+        {
+          alarm(100ms);
+          ScopedDisableMalloc disable_malloc;
+          char* ptr = new (std::nothrow)(char);
+          ASSERT_NE(ptr, nullptr);
+          delete (ptr);
+        }
+      },
+      "");
 }
 
 TEST_F(DisableMallocTest, deadlock_delete) {
-  ASSERT_DEATH({
-    char* ptr = new(char);
-    ASSERT_NE(ptr, nullptr);
-    {
-      alarm(250ms);
-      ScopedDisableMalloc disable_malloc;
-      delete(ptr);
-      // Force ptr usage or this code gets optimized away by the arm64 compiler.
-      ASSERT_NE(ptr, nullptr);
-    }
-  }, "");
+  ASSERT_DEATH(
+      {
+        char* ptr = new (char);
+        ASSERT_NE(ptr, nullptr);
+        {
+          alarm(250ms);
+          ScopedDisableMalloc disable_malloc;
+          delete (ptr);
+          // Force ptr usage or this code gets optimized away by the arm64 compiler.
+          ASSERT_NE(ptr, nullptr);
+        }
+      },
+      "");
 }
 
 TEST_F(DisableMallocTest, deadlock_free) {
-  ASSERT_DEATH({
-    void *ptr = malloc(128);
-    ASSERT_NE(ptr, nullptr);
-    {
-      alarm(100ms);
-      ScopedDisableMalloc disable_malloc;
-      free(ptr);
-    }
-  }, "");
+  ASSERT_DEATH(
+      {
+        void* ptr = malloc(128);
+        ASSERT_NE(ptr, nullptr);
+        {
+          alarm(100ms);
+          ScopedDisableMalloc disable_malloc;
+          free(ptr);
+        }
+      },
+      "");
 }
 
 TEST_F(DisableMallocTest, deadlock_fork) {
@@ -113,6 +123,8 @@
       alarm(100ms);
       ScopedDisableMalloc disable_malloc;
       fork();
-    }
-  }, "");
 }
+}, "");
+}
+
+}  // namespace android
diff --git a/libmemunreachable/tests/HeapWalker_test.cpp b/libmemunreachable/tests/HeapWalker_test.cpp
index 98e4aa1..84a0ec6 100644
--- a/libmemunreachable/tests/HeapWalker_test.cpp
+++ b/libmemunreachable/tests/HeapWalker_test.cpp
@@ -19,10 +19,12 @@
 
 #include "HeapWalker.h"
 
-#include <gtest/gtest.h>
 #include <ScopedDisableMalloc.h>
+#include <gtest/gtest.h>
 #include "Allocator.h"
 
+namespace android {
+
 class HeapWalkerTest : public ::testing::Test {
  public:
   HeapWalkerTest() : disable_malloc_(), heap_() {}
@@ -172,20 +174,20 @@
   ASSERT_EQ(true, heap_walker.Leaked(leaked, 100, &num_leaks, &leaked_bytes));
 
   EXPECT_EQ(2U, num_leaks);
-  EXPECT_EQ(2*sizeof(uintptr_t), leaked_bytes);
+  EXPECT_EQ(2 * sizeof(uintptr_t), leaked_bytes);
   ASSERT_EQ(2U, leaked.size());
 }
 
 TEST_F(HeapWalkerTest, segv) {
   const size_t page_size = sysconf(_SC_PAGE_SIZE);
-  void* buffer1 = mmap(NULL, page_size, PROT_NONE, MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
+  void* buffer1 = mmap(NULL, page_size, PROT_NONE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
   ASSERT_NE(buffer1, nullptr);
   void* buffer2;
 
   buffer2 = &buffer1;
 
   HeapWalker heap_walker(heap_);
-  heap_walker.Allocation(buffer_begin(buffer1), buffer_begin(buffer1)+page_size);
+  heap_walker.Allocation(buffer_begin(buffer1), buffer_begin(buffer1) + page_size);
   heap_walker.Root(buffer_begin(buffer2), buffer_end(buffer2));
 
   ASSERT_EQ(true, heap_walker.DetectLeaks());
@@ -199,3 +201,5 @@
   EXPECT_EQ(0U, leaked_bytes);
   ASSERT_EQ(0U, leaked.size());
 }
+
+}  // namespace android
diff --git a/libmemunreachable/tests/HostMallocStub.cpp b/libmemunreachable/tests/HostMallocStub.cpp
index a7e3f07..0ef0487 100644
--- a/libmemunreachable/tests/HostMallocStub.cpp
+++ b/libmemunreachable/tests/HostMallocStub.cpp
@@ -16,8 +16,6 @@
 
 #include "bionic.h"
 
-void malloc_disable() {
-}
+void malloc_disable() {}
 
-void malloc_enable() {
-}
+void malloc_enable() {}
diff --git a/libmemunreachable/tests/LeakFolding_test.cpp b/libmemunreachable/tests/LeakFolding_test.cpp
index e85df5f..f5b3631 100644
--- a/libmemunreachable/tests/LeakFolding_test.cpp
+++ b/libmemunreachable/tests/LeakFolding_test.cpp
@@ -14,13 +14,15 @@
  * limitations under the License.
  */
 
-#include "HeapWalker.h"
 #include "LeakFolding.h"
+#include "HeapWalker.h"
 
-#include <gtest/gtest.h>
 #include <ScopedDisableMalloc.h>
+#include <gtest/gtest.h>
 #include "Allocator.h"
 
+namespace android {
+
 class LeakFoldingTest : public ::testing::Test {
  public:
   LeakFoldingTest() : disable_malloc_(), heap_() {}
@@ -84,7 +86,7 @@
   ASSERT_EQ(true, folding.Leaked(leaked, &num_leaks, &leaked_bytes));
 
   EXPECT_EQ(2U, num_leaks);
-  EXPECT_EQ(2*sizeof(uintptr_t), leaked_bytes);
+  EXPECT_EQ(2 * sizeof(uintptr_t), leaked_bytes);
   ASSERT_EQ(2U, leaked.size());
   EXPECT_EQ(0U, leaked[0].referenced_count);
   EXPECT_EQ(0U, leaked[0].referenced_size);
@@ -113,7 +115,7 @@
   ASSERT_EQ(true, folding.Leaked(leaked, &num_leaks, &leaked_bytes));
 
   EXPECT_EQ(2U, num_leaks);
-  EXPECT_EQ(2*sizeof(uintptr_t), leaked_bytes);
+  EXPECT_EQ(2 * sizeof(uintptr_t), leaked_bytes);
   ASSERT_EQ(1U, leaked.size());
   EXPECT_EQ(1U, leaked[0].referenced_count);
   EXPECT_EQ(sizeof(uintptr_t), leaked[0].referenced_size);
@@ -144,10 +146,10 @@
   ASSERT_EQ(true, folding.Leaked(leaked, &num_leaks, &leaked_bytes));
 
   EXPECT_EQ(3U, num_leaks);
-  EXPECT_EQ(3*sizeof(uintptr_t), leaked_bytes);
+  EXPECT_EQ(3 * sizeof(uintptr_t), leaked_bytes);
   ASSERT_EQ(1U, leaked.size());
   EXPECT_EQ(2U, leaked[0].referenced_count);
-  EXPECT_EQ(2*sizeof(uintptr_t), leaked[0].referenced_size);
+  EXPECT_EQ(2 * sizeof(uintptr_t), leaked[0].referenced_size);
 }
 
 TEST_F(LeakFoldingTest, dominator_cycle) {
@@ -175,13 +177,13 @@
   ASSERT_EQ(true, folding.Leaked(leaked, &num_leaks, &leaked_bytes));
 
   EXPECT_EQ(3U, num_leaks);
-  EXPECT_EQ(5*sizeof(uintptr_t), leaked_bytes);
+  EXPECT_EQ(5 * sizeof(uintptr_t), leaked_bytes);
   ASSERT_EQ(2U, leaked.size());
 
   EXPECT_EQ(2U, leaked[0].referenced_count);
-  EXPECT_EQ(3*sizeof(uintptr_t), leaked[0].referenced_size);
+  EXPECT_EQ(3 * sizeof(uintptr_t), leaked[0].referenced_size);
   EXPECT_EQ(2U, leaked[1].referenced_count);
-  EXPECT_EQ(3*sizeof(uintptr_t), leaked[1].referenced_size);
+  EXPECT_EQ(3 * sizeof(uintptr_t), leaked[1].referenced_size);
 }
 
 TEST_F(LeakFoldingTest, two_cycles) {
@@ -218,12 +220,12 @@
   ASSERT_EQ(true, folding.Leaked(leaked, &num_leaks, &leaked_bytes));
 
   EXPECT_EQ(6U, num_leaks);
-  EXPECT_EQ(6*sizeof(uintptr_t), leaked_bytes);
+  EXPECT_EQ(6 * sizeof(uintptr_t), leaked_bytes);
   ASSERT_EQ(2U, leaked.size());
   EXPECT_EQ(2U, leaked[0].referenced_count);
-  EXPECT_EQ(2*sizeof(uintptr_t), leaked[0].referenced_size);
+  EXPECT_EQ(2 * sizeof(uintptr_t), leaked[0].referenced_size);
   EXPECT_EQ(2U, leaked[1].referenced_count);
-  EXPECT_EQ(2*sizeof(uintptr_t), leaked[1].referenced_size);
+  EXPECT_EQ(2 * sizeof(uintptr_t), leaked[1].referenced_size);
 }
 
 TEST_F(LeakFoldingTest, two_dominator_cycles) {
@@ -254,7 +256,7 @@
   ASSERT_EQ(true, folding.Leaked(leaked, &num_leaks, &leaked_bytes));
 
   EXPECT_EQ(4U, num_leaks);
-  EXPECT_EQ(4*sizeof(uintptr_t), leaked_bytes);
+  EXPECT_EQ(4 * sizeof(uintptr_t), leaked_bytes);
   ASSERT_EQ(4U, leaked.size());
   EXPECT_EQ(1U, leaked[0].referenced_count);
   EXPECT_EQ(sizeof(uintptr_t), leaked[0].referenced_size);
@@ -272,13 +274,13 @@
 
   HeapWalker heap_walker(heap_);
 
-  for (size_t i = 0; i < n; i ++) {
+  for (size_t i = 0; i < n; i++) {
     ASSERT_TRUE(heap_walker.Allocation(reinterpret_cast<uintptr_t>(&buffer[i]),
-        reinterpret_cast<uintptr_t>(&buffer[i+1])));
+                                       reinterpret_cast<uintptr_t>(&buffer[i + 1])));
   }
 
   for (size_t i = 0; i < n - 1; i++) {
-    buffer[i] = &buffer[i+1];
+    buffer[i] = &buffer[i + 1];
   }
   buffer[n - 1] = &buffer[0];
 
@@ -306,15 +308,15 @@
   HeapWalker heap_walker(heap_);
 
   for (size_t i = 0; i < n - 1; i++) {
-    buffer[i] = &buffer[i+1];
+    buffer[i] = &buffer[i + 1];
   }
   buffer[n - 1] = &buffer[0];
 
   buffer1[0] = &buffer[0];
 
-  for (size_t i = 0; i < n; i ++) {
+  for (size_t i = 0; i < n; i++) {
     ASSERT_TRUE(heap_walker.Allocation(reinterpret_cast<uintptr_t>(&buffer[i]),
-        reinterpret_cast<uintptr_t>(&buffer[i+1])));
+                                       reinterpret_cast<uintptr_t>(&buffer[i + 1])));
   }
 
   ALLOCATION(heap_walker, buffer1);
@@ -425,3 +427,5 @@
   EXPECT_EQ(3U, leaked[3].referenced_count);
   EXPECT_EQ(6 * sizeof(uintptr_t), leaked[3].referenced_size);
 }
+
+}  // namespace android
diff --git a/libmemunreachable/tests/MemUnreachable_test.cpp b/libmemunreachable/tests/MemUnreachable_test.cpp
index 71da365..ec89388 100644
--- a/libmemunreachable/tests/MemUnreachable_test.cpp
+++ b/libmemunreachable/tests/MemUnreachable_test.cpp
@@ -16,36 +16,32 @@
 
 #include <fcntl.h>
 #include <stdlib.h>
-#include <unistd.h>
 #include <sys/prctl.h>
+#include <unistd.h>
 
 #include <gtest/gtest.h>
 
 #include <memunreachable/memunreachable.h>
 
+namespace android {
+
 class HiddenPointer {
  public:
-  explicit HiddenPointer(size_t size = 256) {
-    Set(malloc(size));
-  }
-  ~HiddenPointer() {
-    Free();
-  }
-  void* Get() {
-    return reinterpret_cast<void*>(~ptr_);
-  }
+  explicit HiddenPointer(size_t size = 256) { Set(malloc(size)); }
+  ~HiddenPointer() { Free(); }
+  void* Get() { return reinterpret_cast<void*>(~ptr_); }
   void Free() {
     free(Get());
     Set(nullptr);
   }
+
  private:
-  void Set(void* ptr) {
-    ptr_ = ~reinterpret_cast<uintptr_t>(ptr);
-  }
+  void Set(void* ptr) { ptr_ = ~reinterpret_cast<uintptr_t>(ptr); }
   volatile uintptr_t ptr_;
 };
 
-static void Ref(void* ptr) {
+// Trick the compiler into thinking a value on the stack is still referenced.
+static void Ref(void** ptr) {
   write(0, ptr, 0);
 }
 
@@ -63,14 +59,14 @@
 
   {
     void* ptr = hidden_ptr.Get();
-    Ref(ptr);
+    Ref(&ptr);
 
     UnreachableMemoryInfo info;
 
     ASSERT_TRUE(GetUnreachableMemory(info));
     ASSERT_EQ(0U, info.leaks.size());
 
-    Ref(ptr);
+    ptr = nullptr;
   }
 
   {
@@ -216,3 +212,5 @@
 
   ASSERT_TRUE(LogUnreachableMemory(true, 100));
 }
+
+}  // namespace android
diff --git a/libmemunreachable/tests/ThreadCapture_test.cpp b/libmemunreachable/tests/ThreadCapture_test.cpp
index 44aabd7..4fbf729 100644
--- a/libmemunreachable/tests/ThreadCapture_test.cpp
+++ b/libmemunreachable/tests/ThreadCapture_test.cpp
@@ -34,6 +34,8 @@
 
 using namespace std::chrono_literals;
 
+namespace android {
+
 class ThreadListTest : public ::testing::TestWithParam<int> {
  public:
   ThreadListTest() : stop_(false) {}
@@ -45,12 +47,10 @@
     WaitForThreads();
   }
 
-  virtual void TearDown() {
-    ASSERT_TRUE(heap.empty());
-  }
+  virtual void TearDown() { ASSERT_TRUE(heap.empty()); }
 
  protected:
-  template<class Function>
+  template <class Function>
   void StartThreads(unsigned int threads, Function&& func) {
     threads_.reserve(threads);
     tids_.reserve(threads);
@@ -68,14 +68,14 @@
 
         {
           std::unique_lock<std::mutex> lk(m_);
-          cv_stop_.wait(lk, [&] {return stop_;});
+          cv_stop_.wait(lk, [&] { return stop_; });
         }
       });
     }
 
     {
       std::unique_lock<std::mutex> lk(m_);
-      cv_start_.wait(lk, [&]{ return tids_.size() == threads; });
+      cv_start_.wait(lk, [&] { return tids_.size() == threads; });
     }
   }
 
@@ -93,9 +93,7 @@
     tids_.clear();
   }
 
-  std::vector<pid_t>& tids() {
-    return tids_;
-  }
+  std::vector<pid_t>& tids() { return tids_; }
 
   Heap heap;
 
@@ -143,7 +141,7 @@
 TEST_P(ThreadListTest, list_some) {
   const unsigned int threads = GetParam() - 1;
 
-  StartThreads(threads, [](){});
+  StartThreads(threads, []() {});
   std::vector<pid_t> expected_tids = tids();
   expected_tids.push_back(getpid());
 
@@ -176,10 +174,8 @@
  public:
   ThreadCaptureTest() {}
   ~ThreadCaptureTest() {}
-  void Fork(std::function<void()>&& child_init,
-      std::function<void()>&& child_cleanup,
-      std::function<void(pid_t)>&& parent) {
-
+  void Fork(std::function<void()>&& child_init, std::function<void()>&& child_cleanup,
+            std::function<void(pid_t)>&& parent) {
     ScopedPipe start_pipe;
     ScopedPipe stop_pipe;
 
@@ -211,39 +207,40 @@
 TEST_P(ThreadCaptureTest, capture_some) {
   const unsigned int threads = GetParam();
 
-  Fork([&](){
-    // child init
-    StartThreads(threads - 1, [](){});
-  },
-  [&](){
-    // child cleanup
-    StopThreads();
-  },
-  [&](pid_t child){
-    // parent
-    ASSERT_GT(child, 0);
+  Fork(
+      [&]() {
+        // child init
+        StartThreads(threads - 1, []() {});
+      },
+      [&]() {
+        // child cleanup
+        StopThreads();
+      },
+      [&](pid_t child) {
+        // parent
+        ASSERT_GT(child, 0);
 
-    {
-      ScopedDisableMallocTimeout disable_malloc;
+        {
+          ScopedDisableMallocTimeout disable_malloc;
 
-      ThreadCapture thread_capture(child, heap);
-      auto list_tids = allocator::vector<pid_t>(heap);
+          ThreadCapture thread_capture(child, heap);
+          auto list_tids = allocator::vector<pid_t>(heap);
 
-      ASSERT_TRUE(thread_capture.ListThreads(list_tids));
-      ASSERT_EQ(threads, list_tids.size());
+          ASSERT_TRUE(thread_capture.ListThreads(list_tids));
+          ASSERT_EQ(threads, list_tids.size());
 
-      ASSERT_TRUE(thread_capture.CaptureThreads());
+          ASSERT_TRUE(thread_capture.CaptureThreads());
 
-      auto thread_info = allocator::vector<ThreadInfo>(heap);
-      ASSERT_TRUE(thread_capture.CapturedThreadInfo(thread_info));
-      ASSERT_EQ(threads, thread_info.size());
-      ASSERT_TRUE(thread_capture.ReleaseThreads());
+          auto thread_info = allocator::vector<ThreadInfo>(heap);
+          ASSERT_TRUE(thread_capture.CapturedThreadInfo(thread_info));
+          ASSERT_EQ(threads, thread_info.size());
+          ASSERT_TRUE(thread_capture.ReleaseThreads());
 
-      if (!HasFailure()) {
-        ASSERT_FALSE(disable_malloc.timed_out());
-      }
-}
-  });
+          if (!HasFailure()) {
+            ASSERT_FALSE(disable_malloc.timed_out());
+          }
+        }
+      });
 }
 
 INSTANTIATE_TEST_CASE_P(ThreadCaptureTest, ThreadCaptureTest, ::testing::Values(1, 2, 10, 1024));
@@ -262,7 +259,7 @@
       ScopedDisableMallocTimeout disable_malloc;
 
       ThreadCapture thread_capture(ret, heap);
-      thread_capture.InjectTestFunc([&](pid_t tid){
+      thread_capture.InjectTestFunc([&](pid_t tid) {
         syscall(SYS_tgkill, ret, tid, SIGKILL);
         usleep(10000);
       });
@@ -288,62 +285,65 @@
   // For signal handler
   static ScopedPipe* g_pipe;
 
-  Fork([&](){
-    // child init
-    pipe.CloseReceiver();
+  Fork(
+      [&]() {
+        // child init
+        pipe.CloseReceiver();
 
-    g_pipe = &pipe;
+        g_pipe = &pipe;
 
-    struct sigaction act{};
-    act.sa_handler = [](int){
-      char buf = '+';
-      write(g_pipe->Sender(), &buf, 1);
-      g_pipe->CloseSender();
-    };
-    sigaction(sig, &act, NULL);
-    sigset_t set;
-    sigemptyset(&set);
-    sigaddset(&set, sig);
-    pthread_sigmask(SIG_UNBLOCK, &set, NULL);
-  },
-  [&](){
-    // child cleanup
-    g_pipe = nullptr;
-    pipe.Close();
-  },
-  [&](pid_t child){
-    // parent
-    ASSERT_GT(child, 0);
-    pipe.CloseSender();
+        struct sigaction act {};
+        act.sa_handler = [](int) {
+          char buf = '+';
+          write(g_pipe->Sender(), &buf, 1);
+          g_pipe->CloseSender();
+        };
+        sigaction(sig, &act, NULL);
+        sigset_t set;
+        sigemptyset(&set);
+        sigaddset(&set, sig);
+        pthread_sigmask(SIG_UNBLOCK, &set, NULL);
+      },
+      [&]() {
+        // child cleanup
+        g_pipe = nullptr;
+        pipe.Close();
+      },
+      [&](pid_t child) {
+        // parent
+        ASSERT_GT(child, 0);
+        pipe.CloseSender();
 
-    {
-      ScopedDisableMallocTimeout disable_malloc;
+        {
+          ScopedDisableMallocTimeout disable_malloc;
 
-      ThreadCapture thread_capture(child, heap);
-      thread_capture.InjectTestFunc([&](pid_t tid){
-        syscall(SYS_tgkill, child, tid, sig);
-        usleep(10000);
+          ThreadCapture thread_capture(child, heap);
+          thread_capture.InjectTestFunc([&](pid_t tid) {
+            syscall(SYS_tgkill, child, tid, sig);
+            usleep(10000);
+          });
+          auto list_tids = allocator::vector<pid_t>(heap);
+
+          ASSERT_TRUE(thread_capture.ListThreads(list_tids));
+          ASSERT_EQ(1U, list_tids.size());
+
+          ASSERT_TRUE(thread_capture.CaptureThreads());
+
+          auto thread_info = allocator::vector<ThreadInfo>(heap);
+          ASSERT_TRUE(thread_capture.CapturedThreadInfo(thread_info));
+          ASSERT_EQ(1U, thread_info.size());
+          ASSERT_TRUE(thread_capture.ReleaseThreads());
+
+          usleep(100000);
+          char buf;
+          ASSERT_EQ(1, TEMP_FAILURE_RETRY(read(pipe.Receiver(), &buf, 1)));
+          ASSERT_EQ(buf, '+');
+
+          if (!HasFailure()) {
+            ASSERT_FALSE(disable_malloc.timed_out());
+          }
+        }
       });
-      auto list_tids = allocator::vector<pid_t>(heap);
-
-      ASSERT_TRUE(thread_capture.ListThreads(list_tids));
-      ASSERT_EQ(1U, list_tids.size());
-
-      ASSERT_TRUE(thread_capture.CaptureThreads());
-
-      auto thread_info = allocator::vector<ThreadInfo>(heap);
-      ASSERT_TRUE(thread_capture.CapturedThreadInfo(thread_info));
-      ASSERT_EQ(1U, thread_info.size());
-      ASSERT_TRUE(thread_capture.ReleaseThreads());
-
-      usleep(100000);
-      char buf;
-      ASSERT_EQ(1, TEMP_FAILURE_RETRY(read(pipe.Receiver(), &buf, 1)));
-      ASSERT_EQ(buf, '+');
-
-      if (!HasFailure()) {
-        ASSERT_FALSE(disable_malloc.timed_out());
-      }
-    }
-  });
 }
+
+}  // namespace android