diff --git a/adb/Android.mk b/adb/Android.mk
index b2a0dc4..0114ca3 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -62,6 +62,7 @@
     adb_listeners_test.cpp \
     adb_utils_test.cpp \
     fdevent_test.cpp \
+    socket_spec_test.cpp \
     socket_test.cpp \
     sysdeps_test.cpp \
     sysdeps/stat_test.cpp \
diff --git a/adb/adb_utils.cpp b/adb/adb_utils.cpp
index db39ef4..5a3b401 100644
--- a/adb/adb_utils.cpp
+++ b/adb/adb_utils.cpp
@@ -26,6 +26,7 @@
 #include <unistd.h>
 
 #include <algorithm>
+#include <mutex>
 #include <vector>
 
 #include <android-base/logging.h>
@@ -47,8 +48,6 @@
 #include <pwd.h>
 #endif
 
-ADB_MUTEX_DEFINE(basename_lock);
-ADB_MUTEX_DEFINE(dirname_lock);
 
 #if defined(_WIN32)
 constexpr char kNullFileName[] = "NUL";
@@ -102,13 +101,15 @@
 }
 
 std::string adb_basename(const std::string& path) {
+  static std::mutex& basename_lock = *new std::mutex();
+
   // Copy path because basename may modify the string passed in.
   std::string result(path);
 
   // Use lock because basename() may write to a process global and return a
   // pointer to that. Note that this locking strategy only works if all other
-  // callers to dirname in the process also grab this same lock.
-  adb_mutex_lock(&basename_lock);
+  // callers to basename in the process also grab this same lock.
+  std::lock_guard<std::mutex> lock(basename_lock);
 
   // Note that if std::string uses copy-on-write strings, &str[0] will cause
   // the copy to be made, so there is no chance of us accidentally writing to
@@ -119,19 +120,19 @@
   // before leaving the lock.
   result.assign(name);
 
-  adb_mutex_unlock(&basename_lock);
-
   return result;
 }
 
 std::string adb_dirname(const std::string& path) {
+  static std::mutex& dirname_lock = *new std::mutex();
+
   // Copy path because dirname may modify the string passed in.
   std::string result(path);
 
   // Use lock because dirname() may write to a process global and return a
   // pointer to that. Note that this locking strategy only works if all other
   // callers to dirname in the process also grab this same lock.
-  adb_mutex_lock(&dirname_lock);
+  std::lock_guard<std::mutex> lock(dirname_lock);
 
   // Note that if std::string uses copy-on-write strings, &str[0] will cause
   // the copy to be made, so there is no chance of us accidentally writing to
@@ -142,8 +143,6 @@
   // before leaving the lock.
   result.assign(parent);
 
-  adb_mutex_unlock(&dirname_lock);
-
   return result;
 }
 
diff --git a/adb/client/main.cpp b/adb/client/main.cpp
index 571c227..4ec0fc2 100644
--- a/adb/client/main.cpp
+++ b/adb/client/main.cpp
@@ -129,7 +129,9 @@
         // Start a new session for the daemon. Do this here instead of after the fork so
         // that a ctrl-c between the "starting server" and "done starting server" messages
         // gets a chance to terminate the server.
-        if (setsid() == -1) {
+        // setsid will fail with EPERM if it's already been a lead process of new session.
+        // Ignore such error.
+        if (setsid() == -1 && errno != EPERM) {
             fatal("setsid() failed: %s", strerror(errno));
         }
 #endif
@@ -170,7 +172,6 @@
 }
 
 int main(int argc, char** argv) {
-    adb_sysdeps_init();
     adb_trace_init(argv);
     return adb_commandline(argc - 1, const_cast<const char**>(argv + 1));
 }
diff --git a/adb/mutex_list.h b/adb/mutex_list.h
deleted file mode 100644
index 4a188ee..0000000
--- a/adb/mutex_list.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* the list of mutexes used by adb */
-/* #ifndef __MUTEX_LIST_H
- * Do not use an include-guard. This file is included once to declare the locks
- * and once in win32 to actually do the runtime initialization.
- */
-#ifndef ADB_MUTEX
-#error ADB_MUTEX not defined when including this file
-#endif
-ADB_MUTEX(basename_lock)
-ADB_MUTEX(dirname_lock)
-ADB_MUTEX(transport_lock)
-#if ADB_HOST
-ADB_MUTEX(local_transports_lock)
-#endif
-ADB_MUTEX(usb_lock)
-
-#undef ADB_MUTEX
diff --git a/adb/shell_service.cpp b/adb/shell_service.cpp
index 01e206a..b0b31f1 100644
--- a/adb/shell_service.cpp
+++ b/adb/shell_service.cpp
@@ -493,10 +493,10 @@
                 // We also need to close the pipes connected to the child process
                 // so that if it ignores SIGHUP and continues to write data it
                 // won't fill up the pipe and block.
-                stdinout_sfd_.clear();
-                stderr_sfd_.clear();
+                stdinout_sfd_.reset();
+                stderr_sfd_.reset();
             }
-            dead_sfd->clear();
+            dead_sfd->reset();
         }
     }
 }
diff --git a/adb/socket_spec.cpp b/adb/socket_spec.cpp
index 18e6e6d..14eb16b 100644
--- a/adb/socket_spec.cpp
+++ b/adb/socket_spec.cpp
@@ -20,6 +20,8 @@
 #include <unordered_map>
 #include <vector>
 
+#include <android-base/parseint.h>
+#include <android-base/parsenetaddress.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <cutils/sockets.h>
@@ -62,55 +64,47 @@
     { "localfilesystem", { ANDROID_SOCKET_NAMESPACE_FILESYSTEM, !ADB_WINDOWS } },
 });
 
-static bool parse_tcp_spec(const std::string& spec, std::string* hostname, int* port,
+bool parse_tcp_socket_spec(const std::string& spec, std::string* hostname, int* port,
                            std::string* error) {
-    std::vector<std::string> fragments = android::base::Split(spec, ":");
-    if (fragments.size() == 1 || fragments.size() > 3) {
-        *error = StringPrintf("invalid tcp specification: '%s'", spec.c_str());
-        return false;
-    }
-
-    if (fragments[0] != "tcp") {
+    if (!StartsWith(spec, "tcp:")) {
         *error = StringPrintf("specification is not tcp: '%s'", spec.c_str());
         return false;
     }
 
-    // strtol accepts leading whitespace.
-    const std::string& port_str = fragments.back();
-    if (port_str.empty() || port_str[0] < '0' || port_str[0] > '9') {
-        *error = StringPrintf("invalid port '%s'", port_str.c_str());
-        return false;
-    }
+    std::string hostname_value;
+    int port_value;
 
-    char* parsed_end;
-    long parsed_port = strtol(port_str.c_str(), &parsed_end, 10);
-    if (*parsed_end != '\0') {
-        *error = StringPrintf("trailing chars in port: '%s'", port_str.c_str());
-        return false;
-    }
-    if (parsed_port > 65535) {
-        *error = StringPrintf("invalid port %ld", parsed_port);
-        return false;
-    }
-
-    // tcp:123 is valid, tcp::123 isn't.
-    if (fragments.size() == 2) {
-        // Empty hostname.
-        if (hostname) {
-            *hostname = "";
-        }
-    } else {
-        if (fragments[1].empty()) {
-            *error = StringPrintf("empty host in '%s'", spec.c_str());
+    // If the spec is tcp:<port>, parse it ourselves.
+    // Otherwise, delegate to android::base::ParseNetAddress.
+    if (android::base::ParseInt(&spec[4], &port_value)) {
+        // Do the range checking ourselves, because ParseInt rejects 'tcp:65536' and 'tcp:foo:1234'
+        // identically.
+        if (port_value < 0 || port_value > 65535) {
+            *error = StringPrintf("bad port number '%d'", port_value);
             return false;
         }
-        if (hostname) {
-            *hostname = fragments[1];
+    } else {
+        std::string addr = spec.substr(4);
+        port_value = -1;
+
+        // FIXME: ParseNetAddress rejects port 0. This currently doesn't hurt, because listening
+        //        on an address that isn't 'localhost' is unsupported.
+        if (!android::base::ParseNetAddress(addr, &hostname_value, &port_value, nullptr, error)) {
+            return false;
         }
+
+        if (port_value == -1) {
+            *error = StringPrintf("missing port in specification: '%s'", spec.c_str());
+            return false;
+        }
+    }
+
+    if (hostname) {
+        *hostname = std::move(hostname_value);
     }
 
     if (port) {
-        *port = parsed_port;
+        *port = port_value;
     }
 
     return true;
@@ -141,7 +135,7 @@
 
     std::string error;
     std::string hostname;
-    if (!parse_tcp_spec(spec, &hostname, nullptr, &error)) {
+    if (!parse_tcp_socket_spec(spec, &hostname, nullptr, &error)) {
         return false;
     }
     return tcp_host_is_local(hostname);
@@ -151,7 +145,7 @@
     if (StartsWith(spec, "tcp:")) {
         std::string hostname;
         int port;
-        if (!parse_tcp_spec(spec, &hostname, &port, error)) {
+        if (!parse_tcp_socket_spec(spec, &hostname, &port, error)) {
             return -1;
         }
 
@@ -196,7 +190,7 @@
     if (StartsWith(spec, "tcp:")) {
         std::string hostname;
         int port;
-        if (!parse_tcp_spec(spec, &hostname, &port, error)) {
+        if (!parse_tcp_socket_spec(spec, &hostname, &port, error)) {
             return -1;
         }
 
diff --git a/adb/socket_spec.h b/adb/socket_spec.h
index 6302da5..6920e91 100644
--- a/adb/socket_spec.h
+++ b/adb/socket_spec.h
@@ -25,3 +25,7 @@
 int socket_spec_connect(const std::string& spec, std::string* error);
 int socket_spec_listen(const std::string& spec, std::string* error,
                        int* resolved_tcp_port = nullptr);
+
+// Exposed for testing.
+bool parse_tcp_socket_spec(const std::string& spec, std::string* hostname, int* port,
+                           std::string* error);
diff --git a/adb/socket_spec_test.cpp b/adb/socket_spec_test.cpp
new file mode 100644
index 0000000..40ce21c
--- /dev/null
+++ b/adb/socket_spec_test.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "socket_spec.h"
+
+#include <string>
+
+#include <gtest/gtest.h>
+
+TEST(socket_spec, parse_tcp_socket_spec) {
+    std::string hostname, error;
+    int port;
+    EXPECT_TRUE(parse_tcp_socket_spec("tcp:5037", &hostname, &port, &error));
+    EXPECT_EQ("", hostname);
+    EXPECT_EQ(5037, port);
+
+    // Bad ports:
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:-1", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:65536", &hostname, &port, &error));
+
+    EXPECT_TRUE(parse_tcp_socket_spec("tcp:localhost:1234", &hostname, &port, &error));
+    EXPECT_EQ("localhost", hostname);
+    EXPECT_EQ(1234, port);
+
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:-1", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:localhost:65536", &hostname, &port, &error));
+
+    // IPv6:
+    EXPECT_TRUE(parse_tcp_socket_spec("tcp:[::1]:1234", &hostname, &port, &error));
+    EXPECT_EQ("::1", hostname);
+    EXPECT_EQ(1234, port);
+
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]:", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:[::1]:-1", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:::1", &hostname, &port, &error));
+    EXPECT_FALSE(parse_tcp_socket_spec("tcp:::1:1234", &hostname, &port, &error));
+}
diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index 8d99722..3ed589c 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -97,27 +97,6 @@
     return c == '\\' || c == '/';
 }
 
-typedef CRITICAL_SECTION          adb_mutex_t;
-
-#define  ADB_MUTEX_DEFINE(x)     adb_mutex_t   x
-
-/* declare all mutexes */
-/* For win32, adb_sysdeps_init() will do the mutex runtime initialization. */
-#define  ADB_MUTEX(x)   extern adb_mutex_t  x;
-#include "mutex_list.h"
-
-extern void  adb_sysdeps_init(void);
-
-static __inline__ void adb_mutex_lock( adb_mutex_t*  lock )
-{
-    EnterCriticalSection( lock );
-}
-
-static __inline__ void  adb_mutex_unlock( adb_mutex_t*  lock )
-{
-    LeaveCriticalSection( lock );
-}
-
 typedef void (*adb_thread_func_t)(void* arg);
 typedef HANDLE adb_thread_t;
 
@@ -476,27 +455,6 @@
     return c == '/';
 }
 
-typedef  pthread_mutex_t          adb_mutex_t;
-
-#define  ADB_MUTEX_INITIALIZER    PTHREAD_MUTEX_INITIALIZER
-#define  adb_mutex_init           pthread_mutex_init
-#define  adb_mutex_lock           pthread_mutex_lock
-#define  adb_mutex_unlock         pthread_mutex_unlock
-#define  adb_mutex_destroy        pthread_mutex_destroy
-
-#define  ADB_MUTEX_DEFINE(m)      adb_mutex_t   m = PTHREAD_MUTEX_INITIALIZER
-
-#define  adb_cond_t               pthread_cond_t
-#define  adb_cond_init            pthread_cond_init
-#define  adb_cond_wait            pthread_cond_wait
-#define  adb_cond_broadcast       pthread_cond_broadcast
-#define  adb_cond_signal          pthread_cond_signal
-#define  adb_cond_destroy         pthread_cond_destroy
-
-/* declare all mutexes */
-#define  ADB_MUTEX(x)   extern adb_mutex_t  x;
-#include "mutex_list.h"
-
 static __inline__ void  close_on_exec(int  fd)
 {
     fcntl( fd, F_SETFD, FD_CLOEXEC );
@@ -818,10 +776,6 @@
 #undef   mkdir
 #define  mkdir  ___xxx_mkdir
 
-static __inline__ void  adb_sysdeps_init(void)
-{
-}
-
 static __inline__ int adb_is_absolute_host_path(const char* path) {
     return path[0] == '/';
 }
diff --git a/adb/sysdeps_test.cpp b/adb/sysdeps_test.cpp
index f871675..9f77942 100644
--- a/adb/sysdeps_test.cpp
+++ b/adb/sysdeps_test.cpp
@@ -269,17 +269,6 @@
     m.unlock();
 }
 
-// Our implementation on Windows aborts on double lock.
-#if defined(_WIN32)
-TEST(sysdeps_mutex, mutex_reentrant_lock) {
-    std::mutex &m = *new std::mutex();
-
-    m.lock();
-    ASSERT_FALSE(m.try_lock());
-    EXPECT_DEATH(m.lock(), "non-recursive mutex locked reentrantly");
-}
-#endif
-
 TEST(sysdeps_mutex, recursive_mutex_smoke) {
     static std::recursive_mutex &m = *new std::recursive_mutex();
 
diff --git a/adb/sysdeps_win32.cpp b/adb/sysdeps_win32.cpp
index 5fda27b..4dd549d 100644
--- a/adb/sysdeps_win32.cpp
+++ b/adb/sysdeps_win32.cpp
@@ -27,6 +27,7 @@
 
 #include <algorithm>
 #include <memory>
+#include <mutex>
 #include <string>
 #include <unordered_map>
 #include <vector>
@@ -137,7 +138,7 @@
 #define  WIN32_FH_BASE    2048
 #define  WIN32_MAX_FHS    2048
 
-static adb_mutex_t   _win32_lock;
+static  std::mutex&  _win32_lock = *new std::mutex();
 static  FHRec        _win32_fhs[ WIN32_MAX_FHS ];
 static  int          _win32_fh_next;  // where to start search for free FHRec
 
@@ -182,27 +183,24 @@
 {
     FH   f = NULL;
 
-    adb_mutex_lock( &_win32_lock );
+    std::lock_guard<std::mutex> lock(_win32_lock);
 
     for (int i = _win32_fh_next; i < WIN32_MAX_FHS; ++i) {
         if (_win32_fhs[i].clazz == NULL) {
             f = &_win32_fhs[i];
             _win32_fh_next = i + 1;
-            goto Exit;
+            f->clazz = clazz;
+            f->used = 1;
+            f->eof = 0;
+            f->name[0] = '\0';
+            clazz->_fh_init(f);
+            return f;
         }
     }
-    D( "_fh_alloc: no more free file descriptors" );
-    errno = EMFILE;   // Too many open files
-Exit:
-    if (f) {
-        f->clazz   = clazz;
-        f->used    = 1;
-        f->eof     = 0;
-        f->name[0] = '\0';
-        clazz->_fh_init(f);
-    }
-    adb_mutex_unlock( &_win32_lock );
-    return f;
+
+    D("_fh_alloc: no more free file descriptors");
+    errno = EMFILE;  // Too many open files
+    return nullptr;
 }
 
 
@@ -211,7 +209,7 @@
 {
     // Use lock so that closing only happens once and so that _fh_alloc can't
     // allocate a FH that we're in the middle of closing.
-    adb_mutex_lock(&_win32_lock);
+    std::lock_guard<std::mutex> lock(_win32_lock);
 
     int offset = f - _win32_fhs;
     if (_win32_fh_next > offset) {
@@ -225,7 +223,6 @@
         f->used    = 0;
         f->clazz   = NULL;
     }
-    adb_mutex_unlock(&_win32_lock);
     return 0;
 }
 
@@ -1234,17 +1231,6 @@
     return true;
 }
 
-static adb_mutex_t g_console_output_buffer_lock;
-
-void
-adb_sysdeps_init( void )
-{
-#define  ADB_MUTEX(x)  InitializeCriticalSection( & x );
-#include "mutex_list.h"
-    InitializeCriticalSection( &_win32_lock );
-    InitializeCriticalSection( &g_console_output_buffer_lock );
-}
-
 /**************************************************************************/
 /**************************************************************************/
 /*****                                                                *****/
@@ -2437,12 +2423,13 @@
 // Bytes that have not yet been output to the console because they are incomplete UTF-8 sequences.
 // Note that we use only one buffer even though stderr and stdout are logically separate streams.
 // This matches the behavior of Linux.
-// Protected by g_console_output_buffer_lock.
-static auto& g_console_output_buffer = *new std::vector<char>();
 
 // Internal helper function to write UTF-8 bytes to a console. Returns -1 on error.
 static int _console_write_utf8(const char* const buf, const size_t buf_size, FILE* stream,
                                HANDLE console) {
+    static std::mutex& console_output_buffer_lock = *new std::mutex();
+    static auto& console_output_buffer = *new std::vector<char>();
+
     const int saved_errno = errno;
     std::vector<char> combined_buffer;
 
@@ -2450,24 +2437,25 @@
     const char* utf8;
     size_t utf8_size;
 
-    adb_mutex_lock(&g_console_output_buffer_lock);
-    if (g_console_output_buffer.empty()) {
-        // If g_console_output_buffer doesn't have a buffered up incomplete UTF-8 sequence (the
-        // common case with plain ASCII), parse buf directly.
-        utf8 = buf;
-        utf8_size = internal::ParseCompleteUTF8(buf, buf + buf_size, &g_console_output_buffer);
-    } else {
-        // If g_console_output_buffer has a buffered up incomplete UTF-8 sequence, move it to
-        // combined_buffer (and effectively clear g_console_output_buffer) and append buf to
-        // combined_buffer, then parse it all together.
-        combined_buffer.swap(g_console_output_buffer);
-        combined_buffer.insert(combined_buffer.end(), buf, buf + buf_size);
+    {
+        std::lock_guard<std::mutex> lock(console_output_buffer_lock);
+        if (console_output_buffer.empty()) {
+            // If console_output_buffer doesn't have a buffered up incomplete UTF-8 sequence (the
+            // common case with plain ASCII), parse buf directly.
+            utf8 = buf;
+            utf8_size = internal::ParseCompleteUTF8(buf, buf + buf_size, &console_output_buffer);
+        } else {
+            // If console_output_buffer has a buffered up incomplete UTF-8 sequence, move it to
+            // combined_buffer (and effectively clear console_output_buffer) and append buf to
+            // combined_buffer, then parse it all together.
+            combined_buffer.swap(console_output_buffer);
+            combined_buffer.insert(combined_buffer.end(), buf, buf + buf_size);
 
-        utf8 = combined_buffer.data();
-        utf8_size = internal::ParseCompleteUTF8(utf8, utf8 + combined_buffer.size(),
-                                                &g_console_output_buffer);
+            utf8 = combined_buffer.data();
+            utf8_size = internal::ParseCompleteUTF8(utf8, utf8 + combined_buffer.size(),
+                                                    &console_output_buffer);
+        }
     }
-    adb_mutex_unlock(&g_console_output_buffer_lock);
 
     std::wstring utf16;
 
diff --git a/adb/transport.cpp b/adb/transport.cpp
index 3eaeb06..87712fc 100644
--- a/adb/transport.cpp
+++ b/adb/transport.cpp
@@ -28,6 +28,7 @@
 
 #include <algorithm>
 #include <list>
+#include <mutex>
 
 #include <android-base/logging.h>
 #include <android-base/parsenetaddress.h>
@@ -44,7 +45,7 @@
 static auto& transport_list = *new std::list<atransport*>();
 static auto& pending_list = *new std::list<atransport*>();
 
-ADB_MUTEX_DEFINE( transport_lock );
+static std::mutex& transport_lock = *new std::mutex();
 
 const char* const kFeatureShell2 = "shell_v2";
 const char* const kFeatureCmd = "cmd";
@@ -297,13 +298,12 @@
 }
 
 void kick_transport(atransport* t) {
-    adb_mutex_lock(&transport_lock);
+    std::lock_guard<std::mutex> lock(transport_lock);
     // As kick_transport() can be called from threads without guarantee that t is valid,
     // check if the transport is in transport_list first.
     if (std::find(transport_list.begin(), transport_list.end(), t) != transport_list.end()) {
         t->Kick();
     }
-    adb_mutex_unlock(&transport_lock);
 }
 
 static int transport_registration_send = -1;
@@ -333,7 +333,7 @@
     device_tracker**  pnode = &device_tracker_list;
     device_tracker*   node  = *pnode;
 
-    adb_mutex_lock( &transport_lock );
+    std::lock_guard<std::mutex> lock(transport_lock);
     while (node) {
         if (node == tracker) {
             *pnode = node->next;
@@ -342,7 +342,6 @@
         pnode = &node->next;
         node  = *pnode;
     }
-    adb_mutex_unlock( &transport_lock );
 }
 
 static void
@@ -504,9 +503,10 @@
         fdevent_remove(&(t->transport_fde));
         adb_close(t->fd);
 
-        adb_mutex_lock(&transport_lock);
-        transport_list.remove(t);
-        adb_mutex_unlock(&transport_lock);
+        {
+            std::lock_guard<std::mutex> lock(transport_lock);
+            transport_list.remove(t);
+        }
 
         if (t->product)
             free(t->product);
@@ -555,10 +555,11 @@
         }
     }
 
-    adb_mutex_lock(&transport_lock);
-    pending_list.remove(t);
-    transport_list.push_front(t);
-    adb_mutex_unlock(&transport_lock);
+    {
+        std::lock_guard<std::mutex> lock(transport_lock);
+        pending_list.remove(t);
+        transport_list.push_front(t);
+    }
 
     update_transports();
 }
@@ -609,7 +610,8 @@
 
 static void transport_unref(atransport* t) {
     CHECK(t != nullptr);
-    adb_mutex_lock(&transport_lock);
+
+    std::lock_guard<std::mutex> lock(transport_lock);
     CHECK_GT(t->ref_count, 0u);
     t->ref_count--;
     if (t->ref_count == 0) {
@@ -619,7 +621,6 @@
     } else {
         D("transport: %s unref (count=%zu)", t->serial, t->ref_count);
     }
-    adb_mutex_unlock(&transport_lock);
 }
 
 static int qual_match(const char *to_test,
@@ -665,7 +666,7 @@
         *error_out = "no devices found";
     }
 
-    adb_mutex_lock(&transport_lock);
+    std::unique_lock<std::mutex> lock(transport_lock);
     for (const auto& t : transport_list) {
         if (t->connection_state == kCsNoPerm) {
 #if ADB_HOST
@@ -713,7 +714,7 @@
             }
         }
     }
-    adb_mutex_unlock(&transport_lock);
+    lock.unlock();
 
     // Don't return unauthorized devices; the caller can't do anything with them.
     if (result && result->connection_state == kCsUnauthorized) {
@@ -914,21 +915,20 @@
 
 std::string list_transports(bool long_listing) {
     std::string result;
-    adb_mutex_lock(&transport_lock);
+
+    std::lock_guard<std::mutex> lock(transport_lock);
     for (const auto& t : transport_list) {
         append_transport(t, &result, long_listing);
     }
-    adb_mutex_unlock(&transport_lock);
     return result;
 }
 
 /* hack for osx */
 void close_usb_devices() {
-    adb_mutex_lock(&transport_lock);
+    std::lock_guard<std::mutex> lock(transport_lock);
     for (const auto& t : transport_list) {
         t->Kick();
     }
-    adb_mutex_unlock(&transport_lock);
 }
 #endif // ADB_HOST
 
@@ -947,10 +947,9 @@
         return -1;
     }
 
-    adb_mutex_lock(&transport_lock);
+    std::unique_lock<std::mutex> lock(transport_lock);
     for (const auto& transport : pending_list) {
         if (transport->serial && strcmp(serial, transport->serial) == 0) {
-            adb_mutex_unlock(&transport_lock);
             VLOG(TRANSPORT) << "socket transport " << transport->serial
                 << " is already in pending_list and fails to register";
             delete t;
@@ -960,7 +959,6 @@
 
     for (const auto& transport : transport_list) {
         if (transport->serial && strcmp(serial, transport->serial) == 0) {
-            adb_mutex_unlock(&transport_lock);
             VLOG(TRANSPORT) << "socket transport " << transport->serial
                 << " is already in transport_list and fails to register";
             delete t;
@@ -970,7 +968,8 @@
 
     pending_list.push_front(t);
     t->serial = strdup(serial);
-    adb_mutex_unlock(&transport_lock);
+
+    lock.unlock();
 
     register_transport(t);
     return 0;
@@ -980,20 +979,19 @@
 atransport *find_transport(const char *serial) {
     atransport* result = nullptr;
 
-    adb_mutex_lock(&transport_lock);
+    std::lock_guard<std::mutex> lock(transport_lock);
     for (auto& t : transport_list) {
         if (t->serial && strcmp(serial, t->serial) == 0) {
             result = t;
             break;
         }
     }
-    adb_mutex_unlock(&transport_lock);
 
     return result;
 }
 
 void kick_all_tcp_devices() {
-    adb_mutex_lock(&transport_lock);
+    std::lock_guard<std::mutex> lock(transport_lock);
     for (auto& t : transport_list) {
         if (t->IsTcpDevice()) {
             // Kicking breaks the read_transport thread of this transport out of any read, then
@@ -1003,7 +1001,6 @@
             t->Kick();
         }
     }
-    adb_mutex_unlock(&transport_lock);
 }
 
 #endif
@@ -1023,20 +1020,20 @@
         t->devpath = strdup(devpath);
     }
 
-    adb_mutex_lock(&transport_lock);
-    pending_list.push_front(t);
-    adb_mutex_unlock(&transport_lock);
+    {
+        std::lock_guard<std::mutex> lock(transport_lock);
+        pending_list.push_front(t);
+    }
 
     register_transport(t);
 }
 
 // This should only be used for transports with connection_state == kCsNoPerm.
 void unregister_usb_transport(usb_handle *usb) {
-    adb_mutex_lock(&transport_lock);
+    std::lock_guard<std::mutex> lock(transport_lock);
     transport_list.remove_if([usb](atransport* t) {
         return t->usb == usb && t->connection_state == kCsNoPerm;
     });
-    adb_mutex_unlock(&transport_lock);
 }
 
 int check_header(apacket *p, atransport *t)
diff --git a/adb/transport_local.cpp b/adb/transport_local.cpp
index 89e950d..f895943 100644
--- a/adb/transport_local.cpp
+++ b/adb/transport_local.cpp
@@ -26,6 +26,7 @@
 #include <sys/types.h>
 
 #include <condition_variable>
+#include <mutex>
 #include <vector>
 
 #include <android-base/stringprintf.h>
@@ -47,7 +48,7 @@
 // connected.
 #define ADB_LOCAL_TRANSPORT_MAX 16
 
-ADB_MUTEX_DEFINE(local_transports_lock);
+static std::mutex& local_transports_lock = *new std::mutex();
 
 /* we keep a list of opened transports. The atransport struct knows to which
  * local transport it is connected. The list is used to detect when we're
@@ -384,14 +385,13 @@
 
 #if ADB_HOST
     int  nn;
-    adb_mutex_lock( &local_transports_lock );
+    std::lock_guard<std::mutex> lock(local_transports_lock);
     for (nn = 0; nn < ADB_LOCAL_TRANSPORT_MAX; nn++) {
         if (local_transports[nn] == t) {
             local_transports[nn] = NULL;
             break;
         }
     }
-    adb_mutex_unlock( &local_transports_lock );
 #endif
 }
 
@@ -435,9 +435,8 @@
 
 atransport* find_emulator_transport_by_adb_port(int adb_port)
 {
-    adb_mutex_lock( &local_transports_lock );
+    std::lock_guard<std::mutex> lock(local_transports_lock);
     atransport* result = find_emulator_transport_by_adb_port_locked(adb_port);
-    adb_mutex_unlock( &local_transports_lock );
     return result;
 }
 
@@ -455,9 +454,8 @@
 
 int get_available_local_transport_index()
 {
-    adb_mutex_lock( &local_transports_lock );
+    std::lock_guard<std::mutex> lock(local_transports_lock);
     int result = get_available_local_transport_index_locked();
-    adb_mutex_unlock( &local_transports_lock );
     return result;
 }
 #endif
@@ -477,26 +475,20 @@
 
 #if ADB_HOST
     if (local) {
-        adb_mutex_lock( &local_transports_lock );
-        {
-            t->SetLocalPortForEmulator(adb_port);
-            atransport* existing_transport =
-                    find_emulator_transport_by_adb_port_locked(adb_port);
-            int index = get_available_local_transport_index_locked();
-            if (existing_transport != NULL) {
-                D("local transport for port %d already registered (%p)?",
-                adb_port, existing_transport);
-                fail = -1;
-            } else if (index < 0) {
-                // Too many emulators.
-                D("cannot register more emulators. Maximum is %d",
-                        ADB_LOCAL_TRANSPORT_MAX);
-                fail = -1;
-            } else {
-                local_transports[index] = t;
-            }
-       }
-       adb_mutex_unlock( &local_transports_lock );
+        std::lock_guard<std::mutex> lock(local_transports_lock);
+        t->SetLocalPortForEmulator(adb_port);
+        atransport* existing_transport = find_emulator_transport_by_adb_port_locked(adb_port);
+        int index = get_available_local_transport_index_locked();
+        if (existing_transport != NULL) {
+            D("local transport for port %d already registered (%p)?", adb_port, existing_transport);
+            fail = -1;
+        } else if (index < 0) {
+            // Too many emulators.
+            D("cannot register more emulators. Maximum is %d", ADB_LOCAL_TRANSPORT_MAX);
+            fail = -1;
+        } else {
+            local_transports[index] = t;
+        }
     }
 #endif
     return fail;
diff --git a/adb/transport_test.cpp b/adb/transport_test.cpp
index a6db07a..8b38e03 100644
--- a/adb/transport_test.cpp
+++ b/adb/transport_test.cpp
@@ -20,27 +20,6 @@
 
 #include "adb.h"
 
-class TransportSetup {
-public:
-  TransportSetup() {
-#ifdef _WIN32
-    // Use extern instead of including sysdeps.h which brings in various macros
-    // that conflict with APIs used in this file.
-    extern void adb_sysdeps_init(void);
-    adb_sysdeps_init();
-#else
-    // adb_sysdeps_init() is an inline function that we cannot link against.
-#endif
-  }
-};
-
-// Static initializer will call adb_sysdeps_init() before main() to initialize
-// the transport mutex before it is used in the tests. Alternatives would be to
-// use __attribute__((constructor)) here or to use that or a static initializer
-// for adb_sysdeps_init() itself in sysdeps_win32.cpp (caveats of unclear
-// init order), or to use a test fixture whose SetUp() could do the init once.
-static TransportSetup g_TransportSetup;
-
 TEST(transport, kick_transport) {
   atransport t;
   static size_t kick_count;
diff --git a/adb/usb_linux_client.cpp b/adb/usb_linux_client.cpp
index 0ba6b4b..1b05439 100644
--- a/adb/usb_linux_client.cpp
+++ b/adb/usb_linux_client.cpp
@@ -32,6 +32,8 @@
 
 #include <algorithm>
 #include <atomic>
+#include <condition_variable>
+#include <mutex>
 
 #include <android-base/logging.h>
 
@@ -54,12 +56,14 @@
 
 static int dummy_fd = -1;
 
-struct usb_handle
-{
-    adb_cond_t notify;
-    adb_mutex_t lock;
-    bool open_new_connection;
+struct usb_handle {
+    usb_handle() : kicked(false) {
+    }
+
+    std::condition_variable notify;
+    std::mutex lock;
     std::atomic<bool> kicked;
+    bool open_new_connection = true;
 
     int (*write)(usb_handle *h, const void *data, int len);
     int (*read)(usb_handle *h, void *data, int len);
@@ -67,12 +71,12 @@
     void (*close)(usb_handle *h);
 
     // Legacy f_adb
-    int fd;
+    int fd = -1;
 
     // FunctionFS
-    int control;
-    int bulk_out; /* "out" from the host's perspective => source for adbd */
-    int bulk_in;  /* "in" from the host's perspective => sink for adbd */
+    int control = -1;
+    int bulk_out = -1; /* "out" from the host's perspective => source for adbd */
+    int bulk_in = -1;  /* "in" from the host's perspective => sink for adbd */
 };
 
 struct func_desc {
@@ -248,12 +252,12 @@
 
     while (true) {
         // wait until the USB device needs opening
-        adb_mutex_lock(&usb->lock);
+        std::unique_lock<std::mutex> lock(usb->lock);
         while (!usb->open_new_connection) {
-            adb_cond_wait(&usb->notify, &usb->lock);
+            usb->notify.wait(lock);
         }
         usb->open_new_connection = false;
-        adb_mutex_unlock(&usb->lock);
+        lock.unlock();
 
         D("[ usb_thread - opening device ]");
         do {
@@ -339,27 +343,20 @@
     h->kicked = false;
     adb_close(h->fd);
     // Notify usb_adb_open_thread to open a new connection.
-    adb_mutex_lock(&h->lock);
+    h->lock.lock();
     h->open_new_connection = true;
-    adb_cond_signal(&h->notify);
-    adb_mutex_unlock(&h->lock);
+    h->lock.unlock();
+    h->notify.notify_one();
 }
 
 static void usb_adb_init()
 {
-    usb_handle* h = reinterpret_cast<usb_handle*>(calloc(1, sizeof(usb_handle)));
-    if (h == nullptr) fatal("couldn't allocate usb_handle");
+    usb_handle* h = new usb_handle();
 
     h->write = usb_adb_write;
     h->read = usb_adb_read;
     h->kick = usb_adb_kick;
     h->close = usb_adb_close;
-    h->kicked = false;
-    h->fd = -1;
-
-    h->open_new_connection = true;
-    adb_cond_init(&h->notify, 0);
-    adb_mutex_init(&h->lock, 0);
 
     // Open the file /dev/android_adb_enable to trigger
     // the enabling of the adb USB function in the kernel.
@@ -468,12 +465,12 @@
 
     while (true) {
         // wait until the USB device needs opening
-        adb_mutex_lock(&usb->lock);
+        std::unique_lock<std::mutex> lock(usb->lock);
         while (!usb->open_new_connection) {
-            adb_cond_wait(&usb->notify, &usb->lock);
+            usb->notify.wait(lock);
         }
         usb->open_new_connection = false;
-        adb_mutex_unlock(&usb->lock);
+        lock.unlock();
 
         while (true) {
             if (init_functionfs(usb)) {
@@ -557,31 +554,22 @@
     adb_close(h->bulk_out);
     adb_close(h->bulk_in);
     // Notify usb_adb_open_thread to open a new connection.
-    adb_mutex_lock(&h->lock);
+    h->lock.lock();
     h->open_new_connection = true;
-    adb_cond_signal(&h->notify);
-    adb_mutex_unlock(&h->lock);
+    h->lock.unlock();
+    h->notify.notify_one();
 }
 
 static void usb_ffs_init()
 {
     D("[ usb_init - using FunctionFS ]");
 
-    usb_handle* h = reinterpret_cast<usb_handle*>(calloc(1, sizeof(usb_handle)));
-    if (h == nullptr) fatal("couldn't allocate usb_handle");
+    usb_handle* h = new usb_handle();
 
     h->write = usb_ffs_write;
     h->read = usb_ffs_read;
     h->kick = usb_ffs_kick;
     h->close = usb_ffs_close;
-    h->kicked = false;
-    h->control = -1;
-    h->bulk_out = -1;
-    h->bulk_out = -1;
-
-    h->open_new_connection = true;
-    adb_cond_init(&h->notify, 0);
-    adb_mutex_init(&h->lock, 0);
 
     D("[ usb_init - starting thread ]");
     if (!adb_thread_create(usb_ffs_open_thread, h)) {
@@ -608,6 +596,7 @@
 {
     return h->read(h, data, len);
 }
+
 int usb_close(usb_handle *h)
 {
     h->close(h);
diff --git a/adb/usb_windows.cpp b/adb/usb_windows.cpp
index 8ecca37..4649454 100644
--- a/adb/usb_windows.cpp
+++ b/adb/usb_windows.cpp
@@ -19,13 +19,17 @@
 #include "sysdeps.h"
 
 #include <winsock2.h>  // winsock.h *must* be included before windows.h.
-#include <adb_api.h>
+#include <windows.h>
+#include <usb100.h>
+#include <winerror.h>
+
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <usb100.h>
-#include <windows.h>
-#include <winerror.h>
+
+#include <mutex>
+
+#include <adb_api.h>
 
 #include <android-base/errors.h>
 
@@ -73,7 +77,7 @@
 };
 
 /// Locker for the list of opened usb handles
-ADB_MUTEX_DEFINE( usb_lock );
+static std::mutex& usb_lock = *new std::mutex();
 
 /// Checks if there is opened usb handle in handle_list for this device.
 int known_device(const wchar_t* dev_name);
@@ -141,9 +145,8 @@
   int ret = 0;
 
   if (NULL != dev_name) {
-    adb_mutex_lock(&usb_lock);
+    std::lock_guard<std::mutex> lock(usb_lock);
     ret = known_device_locked(dev_name);
-    adb_mutex_unlock(&usb_lock);
   }
 
   return ret;
@@ -153,11 +156,10 @@
   if (NULL == handle)
     return 0;
 
-  adb_mutex_lock(&usb_lock);
+  std::lock_guard<std::mutex> lock(usb_lock);
 
   // Check if device is already in the list
   if (known_device_locked(handle->interface_name)) {
-    adb_mutex_unlock(&usb_lock);
     return 0;
   }
 
@@ -167,8 +169,6 @@
   handle->prev->next = handle;
   handle->next->prev = handle;
 
-  adb_mutex_unlock(&usb_lock);
-
   return 1;
 }
 
@@ -493,11 +493,8 @@
 void usb_kick(usb_handle* handle) {
   D("usb_kick");
   if (NULL != handle) {
-    adb_mutex_lock(&usb_lock);
-
+    std::lock_guard<std::mutex> lock(usb_lock);
     usb_kick_locked(handle);
-
-    adb_mutex_unlock(&usb_lock);
   } else {
     errno = EINVAL;
   }
@@ -508,17 +505,17 @@
 
   if (NULL != handle) {
     // Remove handle from the list
-    adb_mutex_lock(&usb_lock);
+    {
+      std::lock_guard<std::mutex> lock(usb_lock);
 
-    if ((handle->next != handle) && (handle->prev != handle)) {
-      handle->next->prev = handle->prev;
-      handle->prev->next = handle->next;
-      handle->prev = handle;
-      handle->next = handle;
+      if ((handle->next != handle) && (handle->prev != handle)) {
+        handle->next->prev = handle->prev;
+        handle->prev->next = handle->next;
+        handle->prev = handle;
+        handle->next = handle;
+      }
     }
 
-    adb_mutex_unlock(&usb_lock);
-
     // Cleanup handle
     usb_cleanup_handle(handle);
     free(handle);
@@ -651,9 +648,8 @@
 static void kick_devices() {
   // Need to acquire lock to safely walk the list which might be modified
   // by another thread.
-  adb_mutex_lock(&usb_lock);
+  std::lock_guard<std::mutex> lock(usb_lock);
   for (usb_handle* usb = handle_list.next; usb != &handle_list; usb = usb->next) {
     usb_kick_locked(usb);
   }
-  adb_mutex_unlock(&usb_lock);
 }
diff --git a/base/include/android-base/unique_fd.h b/base/include/android-base/unique_fd.h
index c323311..6cfcfcd 100644
--- a/base/include/android-base/unique_fd.h
+++ b/base/include/android-base/unique_fd.h
@@ -55,7 +55,7 @@
   unique_fd_impl() : value_(-1) {}
 
   explicit unique_fd_impl(int value) : value_(value) {}
-  ~unique_fd_impl() { clear(); }
+  ~unique_fd_impl() { reset(); }
 
   unique_fd_impl(unique_fd_impl&& other) : value_(other.release()) {}
   unique_fd_impl& operator=(unique_fd_impl&& s) {
@@ -63,17 +63,13 @@
     return *this;
   }
 
-  void reset(int new_value) {
+  void reset(int new_value = -1) {
     if (value_ != -1) {
       Closer::Close(value_);
     }
     value_ = new_value;
   }
 
-  void clear() {
-    reset(-1);
-  }
-
   int get() const { return value_; }
   operator int() const { return get(); }
 
diff --git a/include/cutils/trace.h b/include/cutils/trace.h
index c9790ad..dc3833f 100644
--- a/include/cutils/trace.h
+++ b/include/cutils/trace.h
@@ -188,8 +188,8 @@
 static inline void atrace_end(uint64_t tag)
 {
     if (CC_UNLIKELY(atrace_is_tag_enabled(tag))) {
-        char c = 'E';
-        write(atrace_marker_fd, &c, 1);
+        void atrace_end_body();
+        atrace_end_body();
     }
 }
 
diff --git a/include/log/log.h b/include/log/log.h
index 045feca..24c77fc 100644
--- a/include/log/log.h
+++ b/include/log/log.h
@@ -41,6 +41,15 @@
 extern "C" {
 #endif
 
+// This file uses ", ## __VA_ARGS__" zero-argument token pasting to
+// work around issues with debug-only syntax errors in assertions
+// that are missing format strings.  See commit
+// 19299904343daf191267564fe32e6cd5c165cd42
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
+#endif
+
 // ---------------------------------------------------------------------
 
 /*
@@ -692,6 +701,10 @@
 #endif
     ;
 
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index bc1c0ca..167a6d9 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -115,7 +115,6 @@
 #define AID_NET_ADMIN     3005  /* can configure interfaces and routing tables. */
 #define AID_NET_BW_STATS  3006  /* read bandwidth statistics */
 #define AID_NET_BW_ACCT   3007  /* change bandwidth statistics accounting */
-#define AID_NET_BT_STACK  3008  /* bluetooth: access config files */
 #define AID_READPROC      3009  /* Allow /proc read access */
 #define AID_WAKELOCK      3010  /* Allow system wakelock read/write access */
 
@@ -221,7 +220,6 @@
     { "net_admin",     AID_NET_ADMIN, },
     { "net_bw_stats",  AID_NET_BW_STATS, },
     { "net_bw_acct",   AID_NET_BW_ACCT, },
-    { "net_bt_stack",  AID_NET_BT_STACK, },
     { "readproc",      AID_READPROC, },
     { "wakelock",      AID_WAKELOCK, },
 
diff --git a/include/system/graphics.h b/include/system/graphics.h
index 529a562..ae10fa0 100644
--- a/include/system/graphics.h
+++ b/include/system/graphics.h
@@ -452,15 +452,15 @@
  *
  * Buffers must have a 8 bit depth.
  *
- * @y, @cb, and @cr point to the first byte of their respective planes.
+ * y, cb, and cr point to the first byte of their respective planes.
  *
  * Stride describes the distance in bytes from the first value of one row of
  * the image to the first value of the next row.  It includes the width of the
  * image plus padding.
- * @ystride is the stride of the luma plane.
- * @cstride is the stride of the chroma planes.
+ * ystride is the stride of the luma plane.
+ * cstride is the stride of the chroma planes.
  *
- * @chroma_step is the distance in bytes from one chroma pixel value to the
+ * chroma_step is the distance in bytes from one chroma pixel value to the
  * next.  This is 2 bytes for semiplanar (because chroma values are interleaved
  * and each chroma value is one byte) and 1 for planar.
  */
@@ -585,9 +585,9 @@
  * measurement is correct. It is between 0.f and 1.f, inclusive, with 1.f ==
  * 100% confidence.
  *
- * @num_points is the number of points in the list
+ * num_points is the number of points in the list
  *
- * @xyz_points is the flexible array of floating-point values.
+ * xyz_points is the flexible array of floating-point values.
  *   It contains (num_points) * 4 floats.
  *
  *   For example:
@@ -612,7 +612,14 @@
     /** reserved for future use, set to 0 by gralloc's (*lock)() */
     uint32_t reserved[8];
 
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wc99-extensions"
+#endif
     float xyzc_points[];
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif
 };
 
 /**
diff --git a/include/system/qemu_pipe.h b/include/system/qemu_pipe.h
index d403f8d..40a5b50 100644
--- a/include/system/qemu_pipe.h
+++ b/include/system/qemu_pipe.h
@@ -85,7 +85,7 @@
                                            const void* buff,
                                            size_t len) {
     char header[5];
-    snprintf(header, sizeof(header), "%04x", len);
+    snprintf(header, sizeof(header), "%04zu", len);
     ssize_t ret = TEMP_FAILURE_RETRY(write(fd, header, 4));
     if (ret != 4) {
         QEMU_PIPE_DEBUG("Can't write qemud frame header: %s", strerror(errno));
@@ -123,7 +123,7 @@
         return -1;
     }
     ret = TEMP_FAILURE_RETRY(read(fd, buff, size));
-    if (ret != size) {
+    if (ret != (ssize_t)size) {
         QEMU_PIPE_DEBUG("Could not read qemud frame payload: %s",
                         strerror(errno));
         return -1;
diff --git a/include/system/radio.h b/include/system/radio.h
index 9e291c8..d73d3ae 100644
--- a/include/system/radio.h
+++ b/include/system/radio.h
@@ -218,7 +218,8 @@
 } radio_event_t;
 
 
-static radio_rds_t radio_rds_for_region(bool rds, radio_region_t region) {
+static inline
+radio_rds_t radio_rds_for_region(bool rds, radio_region_t region) {
     if (!rds)
         return RADIO_RDS_NONE;
     switch(region) {
@@ -234,7 +235,8 @@
     }
 }
 
-static radio_deemphasis_t radio_demephasis_for_region(radio_region_t region) {
+static inline
+radio_deemphasis_t radio_demephasis_for_region(radio_region_t region) {
     switch(region) {
         case RADIO_REGION_KOREA:
         case RADIO_REGION_ITU_2:
diff --git a/include/system/window.h b/include/system/window.h
index b8f33ff..49ab4dc 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -38,8 +38,17 @@
 
 /*****************************************************************************/
 
+#ifdef __cplusplus
+#define ANDROID_NATIVE_UNSIGNED_CAST(x) static_cast<unsigned int>(x)
+#else
+#define ANDROID_NATIVE_UNSIGNED_CAST(x) ((unsigned int)(x))
+#endif
+
 #define ANDROID_NATIVE_MAKE_CONSTANT(a,b,c,d) \
-    (((unsigned)(a)<<24)|((unsigned)(b)<<16)|((unsigned)(c)<<8)|(unsigned)(d))
+    ((ANDROID_NATIVE_UNSIGNED_CAST(a) << 24) | \
+     (ANDROID_NATIVE_UNSIGNED_CAST(b) << 16) | \
+     (ANDROID_NATIVE_UNSIGNED_CAST(c) << 8) | \
+     (ANDROID_NATIVE_UNSIGNED_CAST(d)))
 
 #define ANDROID_NATIVE_WINDOW_MAGIC \
     ANDROID_NATIVE_MAKE_CONSTANT('_','w','n','d')
diff --git a/include/ziparchive/zip_archive.h b/include/ziparchive/zip_archive.h
index 7dc60ae..4f68c3b 100644
--- a/include/ziparchive/zip_archive.h
+++ b/include/ziparchive/zip_archive.h
@@ -43,8 +43,7 @@
   /*
    * entry_name has to be an c-style string with only ASCII characters.
    */
-  explicit ZipString(const char* entry_name)
-      : name(reinterpret_cast<const uint8_t*>(entry_name)), name_length(strlen(entry_name)) {}
+  explicit ZipString(const char* entry_name);
 
   bool operator==(const ZipString& rhs) const {
     return name && (name_length == rhs.name_length) &&
diff --git a/libcutils/trace-dev.c b/libcutils/trace-dev.c
index 778e4f0..099ab45 100644
--- a/libcutils/trace-dev.c
+++ b/libcutils/trace-dev.c
@@ -196,6 +196,12 @@
     write(atrace_marker_fd, buf, len);
 }
 
+void atrace_end_body()
+{
+    char c = 'E';
+    write(atrace_marker_fd, &c, 1);
+}
+
 #define WRITE_MSG(format_begin, format_end, pid, name, value) { \
     char buf[ATRACE_MESSAGE_LENGTH]; \
     int len = snprintf(buf, sizeof(buf), format_begin "%s" format_end, pid, \
diff --git a/libcutils/trace-host.c b/libcutils/trace-host.c
index 6478e3e..05842cd 100644
--- a/libcutils/trace-host.c
+++ b/libcutils/trace-host.c
@@ -29,6 +29,7 @@
 void atrace_update_tags() { }
 void atrace_setup() { }
 void atrace_begin_body(const char* name __unused) { }
+void atrace_end_body() { }
 void atrace_async_begin_body(const char* name __unused, int32_t cookie __unused) { }
 void atrace_async_end_body(const char* name __unused, int32_t cookie __unused) { }
 void atrace_int_body(const char* name __unused, int32_t value __unused) { }
diff --git a/libmemunreachable/Tarjan.h b/libmemunreachable/Tarjan.h
index dcd139a..2546341 100644
--- a/libmemunreachable/Tarjan.h
+++ b/libmemunreachable/Tarjan.h
@@ -19,6 +19,7 @@
 #ifndef LIBMEMUNREACHABLE_TARJAN_H_
 #define LIBMEMUNREACHABLE_TARJAN_H_
 
+#include <assert.h>
 #include <algorithm>
 
 #include "Allocator.h"
diff --git a/libusbhost/include/usbhost/usbhost.h b/libusbhost/include/usbhost/usbhost.h
index 88b5b44..84594c8 100644
--- a/libusbhost/include/usbhost/usbhost.h
+++ b/libusbhost/include/usbhost/usbhost.h
@@ -216,7 +216,7 @@
 int usb_device_bulk_transfer(struct usb_device *device,
                             int endpoint,
                             void* buffer,
-                            int length,
+                            unsigned int length,
                             unsigned int timeout);
 
 /** Reset USB bus for the device */
diff --git a/libusbhost/usbhost.c b/libusbhost/usbhost.c
index 299fdc4..68aca17 100644
--- a/libusbhost/usbhost.c
+++ b/libusbhost/usbhost.c
@@ -600,7 +600,7 @@
 int usb_device_bulk_transfer(struct usb_device *device,
                             int endpoint,
                             void* buffer,
-                            int length,
+                            unsigned int length,
                             unsigned int timeout)
 {
     struct usbdevfs_bulktransfer  ctrl;
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc
index 350be31..4649a75 100644
--- a/libziparchive/zip_archive.cc
+++ b/libziparchive/zip_archive.cc
@@ -31,6 +31,7 @@
 #include <vector>
 
 #include "android-base/file.h"
+#include "android-base/logging.h"
 #include "android-base/macros.h"  // TEMP_FAILURE_RETRY may or may not be in unistd
 #include "android-base/memory.h"
 #include "log/log.h"
@@ -1073,3 +1074,10 @@
 int GetFileDescriptor(const ZipArchiveHandle handle) {
   return reinterpret_cast<ZipArchive*>(handle)->fd;
 }
+
+ZipString::ZipString(const char* entry_name)
+    : name(reinterpret_cast<const uint8_t*>(entry_name)) {
+  size_t len = strlen(entry_name);
+  CHECK_LE(len, static_cast<size_t>(UINT16_MAX));
+  name_length = static_cast<uint16_t>(len);
+}
diff --git a/libziparchive/zip_writer.cc b/libziparchive/zip_writer.cc
index 1ebed30..b72ed7f 100644
--- a/libziparchive/zip_writer.cc
+++ b/libziparchive/zip_writer.cc
@@ -243,8 +243,12 @@
   // Initialize the z_stream for compression.
   z_stream_ = std::unique_ptr<z_stream, void(*)(z_stream*)>(new z_stream(), DeleteZStream);
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wold-style-cast"
   int zerr = deflateInit2(z_stream_.get(), Z_BEST_COMPRESSION, Z_DEFLATED, -MAX_WBITS,
                           DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY);
+#pragma GCC diagnostic pop
+
   if (zerr != Z_OK) {
     if (zerr == Z_VERSION_ERROR) {
       ALOGE("Installed zlib is not compatible with linked version (%s)", ZLIB_VERSION);
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 1a601f0..6315cf4 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -355,12 +355,12 @@
 
     # create basic filesystem structure
     mkdir /data/misc 01771 system misc
-    mkdir /data/misc/bluedroid 02770 bluetooth net_bt_stack
+    mkdir /data/misc/bluedroid 02770 bluetooth bluetooth
     # Fix the access permissions and group ownership for 'bt_config.conf'
     chmod 0660 /data/misc/bluedroid/bt_config.conf
-    chown bluetooth net_bt_stack /data/misc/bluedroid/bt_config.conf
-    mkdir /data/misc/bluetooth 0770 bluetooth net_bt_stack
-    mkdir /data/misc/bluetooth/logs 0770 bluetooth net_bt_stack
+    chown bluetooth bluetooth /data/misc/bluedroid/bt_config.conf
+    mkdir /data/misc/bluetooth 0770 bluetooth bluetooth
+    mkdir /data/misc/bluetooth/logs 0770 bluetooth bluetooth
     mkdir /data/misc/keystore 0700 keystore keystore
     mkdir /data/misc/gatekeeper 0700 system system
     mkdir /data/misc/keychain 0771 system system
diff --git a/rootdir/ueventd.rc b/rootdir/ueventd.rc
index 6ef491c..7e13df9 100644
--- a/rootdir/ueventd.rc
+++ b/rootdir/ueventd.rc
@@ -40,8 +40,8 @@
 /dev/android_adb          0660   adb        adb
 /dev/android_adb_enable   0660   adb        adb
 /dev/ttyMSM0              0600   bluetooth  bluetooth
-/dev/uhid                 0660   system     net_bt_stack
-/dev/uinput               0660   system     net_bt_stack
+/dev/uhid                 0660   system     bluetooth
+/dev/uinput               0660   system     bluetooth
 /dev/alarm                0664   system     radio
 /dev/rtc0                 0640   system     system
 /dev/tty0                 0660   root       system