Merge "libutils: Clarify Condition::signal wakes up exactly one thread"
diff --git a/fs_mgr/fs_mgr_fstab.c b/fs_mgr/fs_mgr_fstab.c
index 8557bcf..98a2af4 100644
--- a/fs_mgr/fs_mgr_fstab.c
+++ b/fs_mgr/fs_mgr_fstab.c
@@ -343,7 +343,7 @@
 /* Add an entry to the fstab, and return 0 on success or -1 on error */
 int fs_mgr_add_entry(struct fstab *fstab,
                      const char *mount_point, const char *fs_type,
-                     const char *blk_device, long long length)
+                     const char *blk_device)
 {
     struct fstab_rec *new_fstab_recs;
     int n = fstab->num_entries;
diff --git a/fs_mgr/fs_mgr_main.c b/fs_mgr/fs_mgr_main.c
index 4bde4a1..e5a00d5 100644
--- a/fs_mgr/fs_mgr_main.c
+++ b/fs_mgr/fs_mgr_main.c
@@ -80,10 +80,10 @@
     int a_flag=0;
     int u_flag=0;
     int n_flag=0;
-    char *n_name;
-    char *n_blk_dev;
-    char *fstab_file;
-    struct fstab *fstab;
+    char *n_name=NULL;
+    char *n_blk_dev=NULL;
+    char *fstab_file=NULL;
+    struct fstab *fstab=NULL;
 
     klog_init();
     klog_set_level(6);
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 0f90c32..835cf64 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -57,7 +57,7 @@
                           char *real_blk_device, int size);
 int fs_mgr_add_entry(struct fstab *fstab,
                      const char *mount_point, const char *fs_type,
-                     const char *blk_device, long long length);
+                     const char *blk_device);
 struct fstab_rec *fs_mgr_get_entry_for_mount_point(struct fstab *fstab, const char *path);
 int fs_mgr_is_voldmanaged(struct fstab_rec *fstab);
 int fs_mgr_is_nonremovable(struct fstab_rec *fstab);
diff --git a/healthd/healthd_board_default.cpp b/healthd/healthd_board_default.cpp
index b2bb516..ed4ddb4 100644
--- a/healthd/healthd_board_default.cpp
+++ b/healthd/healthd_board_default.cpp
@@ -16,13 +16,13 @@
 
 #include <healthd.h>
 
-void healthd_board_init(struct healthd_config *config)
+void healthd_board_init(struct healthd_config*)
 {
     // use defaults
 }
 
 
-int healthd_board_battery_update(struct android::BatteryProperties *props)
+int healthd_board_battery_update(struct android::BatteryProperties*)
 {
     // return 0 to log periodic polled battery status to kernel log
     return 0;
diff --git a/include/cutils/properties.h b/include/cutils/properties.h
index 2c70165..798db8b 100644
--- a/include/cutils/properties.h
+++ b/include/cutils/properties.h
@@ -20,6 +20,7 @@
 #include <sys/cdefs.h>
 #include <stddef.h>
 #include <sys/system_properties.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -44,6 +45,64 @@
 */
 int property_get(const char *key, char *value, const char *default_value);
 
+/* property_get_bool: returns the value of key coerced into a
+** boolean. If the property is not set, then the default value is returned.
+**
+* The following is considered to be true (1):
+**   "1", "true", "y", "yes", "on"
+**
+** The following is considered to be false (0):
+**   "0", "false", "n", "no", "off"
+**
+** The conversion is whitespace-sensitive (e.g. " off" will not be false).
+**
+** If no property with this key is set (or the key is NULL) or the boolean
+** conversion fails, the default value is returned.
+**/
+int8_t property_get_bool(const char *key, int8_t default_value);
+
+/* property_get_int64: returns the value of key truncated and coerced into a
+** int64_t. If the property is not set, then the default value is used.
+**
+** The numeric conversion is identical to strtoimax with the base inferred:
+** - All digits up to the first non-digit characters are read
+** - The longest consecutive prefix of digits is converted to a long
+**
+** Valid strings of digits are:
+** - An optional sign character + or -
+** - An optional prefix indicating the base (otherwise base 10 is assumed)
+**   -- 0 prefix is octal
+**   -- 0x / 0X prefix is hex
+**
+** Leading/trailing whitespace is ignored. Overflow/underflow will cause
+** numeric conversion to fail.
+**
+** If no property with this key is set (or the key is NULL) or the numeric
+** conversion fails, the default value is returned.
+**/
+int64_t property_get_int64(const char *key, int64_t default_value);
+
+/* property_get_int32: returns the value of key truncated and coerced into an
+** int32_t. If the property is not set, then the default value is used.
+**
+** The numeric conversion is identical to strtoimax with the base inferred:
+** - All digits up to the first non-digit characters are read
+** - The longest consecutive prefix of digits is converted to a long
+**
+** Valid strings of digits are:
+** - An optional sign character + or -
+** - An optional prefix indicating the base (otherwise base 10 is assumed)
+**   -- 0 prefix is octal
+**   -- 0x / 0X prefix is hex
+**
+** Leading/trailing whitespace is ignored. Overflow/underflow will cause
+** numeric conversion to fail.
+**
+** If no property with this key is set (or the key is NULL) or the numeric
+** conversion fails, the default value is returned.
+**/
+int32_t property_get_int32(const char *key, int32_t default_value);
+
 /* property_set: returns 0 on success, < 0 on failure
 */
 int property_set(const char *key, const char *value);
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index 512184b..baa012d 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -253,6 +253,7 @@
     { 00750, AID_ROOT,      AID_ROOT,      0, "system/bin/install-recovery.sh" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/bin/*" },
     { 00755, AID_ROOT,      AID_ROOT,      0, "system/lib/valgrind/*" },
+    { 00755, AID_ROOT,      AID_ROOT,      0, "system/lib64/valgrind/*" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/xbin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "system/vendor/bin/*" },
     { 00755, AID_ROOT,      AID_SHELL,     0, "vendor/bin/*" },
diff --git a/include/utils/BitSet.h b/include/utils/BitSet.h
index f1d68a0..8c61293 100644
--- a/include/utils/BitSet.h
+++ b/include/utils/BitSet.h
@@ -75,19 +75,19 @@
     // Result is undefined if all bits are unmarked.
     inline uint32_t firstMarkedBit() const { return firstMarkedBit(value); }
 
-    static uint32_t firstMarkedBit(uint32_t value) { return __builtin_clzl(value); }
+    static uint32_t firstMarkedBit(uint32_t value) { return clz_checked(value); }
 
     // Finds the first unmarked bit in the set.
     // Result is undefined if all bits are marked.
     inline uint32_t firstUnmarkedBit() const { return firstUnmarkedBit(value); }
 
-    static inline uint32_t firstUnmarkedBit(uint32_t value) { return __builtin_clzl(~ value); }
+    static inline uint32_t firstUnmarkedBit(uint32_t value) { return clz_checked(~ value); }
 
     // Finds the last marked bit in the set.
     // Result is undefined if all bits are unmarked.
     inline uint32_t lastMarkedBit() const { return lastMarkedBit(value); }
 
-    static inline uint32_t lastMarkedBit(uint32_t value) { return 31 - __builtin_ctzl(value); }
+    static inline uint32_t lastMarkedBit(uint32_t value) { return 31 - ctz_checked(value); }
 
     // Finds the first marked bit in the set and clears it.  Returns the bit index.
     // Result is undefined if all bits are unmarked.
@@ -145,6 +145,25 @@
         value |= other.value;
         return *this;
     }
+
+private:
+    // We use these helpers as the signature of __builtin_c{l,t}z has "unsigned int" for the
+    // input, which is only guaranteed to be 16b, not 32. The compiler should optimize this away.
+    static inline uint32_t clz_checked(uint32_t value) {
+        if (sizeof(unsigned int) == sizeof(uint32_t)) {
+            return __builtin_clz(value);
+        } else {
+            return __builtin_clzl(value);
+        }
+    }
+
+    static inline uint32_t ctz_checked(uint32_t value) {
+        if (sizeof(unsigned int) == sizeof(uint32_t)) {
+            return __builtin_ctz(value);
+        } else {
+            return __builtin_ctzl(value);
+        }
+    }
 };
 
 ANDROID_BASIC_TYPES_TRAITS(BitSet32)
diff --git a/include/utils/LruCache.h b/include/utils/LruCache.h
index fa8f03f..f615a32 100644
--- a/include/utils/LruCache.h
+++ b/include/utils/LruCache.h
@@ -48,6 +48,7 @@
     bool remove(const TKey& key);
     bool removeOldest();
     void clear();
+    const TValue& peekOldestValue();
 
     class Iterator {
     public:
@@ -180,6 +181,14 @@
 }
 
 template <typename TKey, typename TValue>
+const TValue& LruCache<TKey, TValue>::peekOldestValue() {
+    if (mOldest) {
+        return mOldest->value;
+    }
+    return mNullValue;
+}
+
+template <typename TKey, typename TValue>
 void LruCache<TKey, TValue>::clear() {
     if (mListener) {
         for (Entry* p = mOldest; p != NULL; p = p->child) {
diff --git a/libbacktrace/UnwindCurrent.cpp b/libbacktrace/UnwindCurrent.cpp
index 034b73c..67d372a 100755
--- a/libbacktrace/UnwindCurrent.cpp
+++ b/libbacktrace/UnwindCurrent.cpp
@@ -42,7 +42,7 @@
     BACK_LOGW("unw_getcontext failed %d", ret);
     return false;
   }
-  return UnwindFromContext(num_ignore_frames, true);
+  return UnwindFromContext(num_ignore_frames, false);
 }
 
 std::string UnwindCurrent::GetFunctionNameRaw(uintptr_t pc, uintptr_t* offset) {
@@ -57,12 +57,14 @@
   return "";
 }
 
-bool UnwindCurrent::UnwindFromContext(size_t num_ignore_frames, bool resolve) {
+bool UnwindCurrent::UnwindFromContext(size_t num_ignore_frames, bool within_handler) {
   // The cursor structure is pretty large, do not put it on the stack.
   unw_cursor_t* cursor = new unw_cursor_t;
   int ret = unw_init_local(cursor, &context_);
   if (ret < 0) {
-    BACK_LOGW("unw_init_local failed %d", ret);
+    if (!within_handler) {
+      BACK_LOGW("unw_init_local failed %d", ret);
+    }
     delete cursor;
     return false;
   }
@@ -74,13 +76,17 @@
     unw_word_t pc;
     ret = unw_get_reg(cursor, UNW_REG_IP, &pc);
     if (ret < 0) {
-      BACK_LOGW("Failed to read IP %d", ret);
+      if (!within_handler) {
+        BACK_LOGW("Failed to read IP %d", ret);
+      }
       break;
     }
     unw_word_t sp;
     ret = unw_get_reg(cursor, UNW_REG_SP, &sp);
     if (ret < 0) {
-      BACK_LOGW("Failed to read SP %d", ret);
+      if (!within_handler) {
+        BACK_LOGW("Failed to read SP %d", ret);
+      }
       break;
     }
 
@@ -98,7 +104,7 @@
         prev->stack_size = frame->sp - prev->sp;
       }
 
-      if (resolve) {
+      if (!within_handler) {
         frame->func_name = GetFunctionName(frame->pc, &frame->func_offset);
         frame->map = FindMap(frame->pc);
       } else {
@@ -154,7 +160,7 @@
 void UnwindThread::ThreadUnwind(
     siginfo_t* /*siginfo*/, void* sigcontext, size_t num_ignore_frames) {
   ExtractContext(sigcontext);
-  UnwindFromContext(num_ignore_frames, false);
+  UnwindFromContext(num_ignore_frames, true);
 }
 
 //-------------------------------------------------------------------------
diff --git a/libbacktrace/UnwindCurrent.h b/libbacktrace/UnwindCurrent.h
index acce110..41080c7 100644
--- a/libbacktrace/UnwindCurrent.h
+++ b/libbacktrace/UnwindCurrent.h
@@ -34,7 +34,7 @@
 
   virtual std::string GetFunctionNameRaw(uintptr_t pc, uintptr_t* offset);
 
-  bool UnwindFromContext(size_t num_ignore_frames, bool resolve);
+  bool UnwindFromContext(size_t num_ignore_frames, bool within_handler);
 
   void ExtractContext(void* sigcontext);
 
diff --git a/libcutils/properties.c b/libcutils/properties.c
index 28d8b2f..bfbd1b8 100644
--- a/libcutils/properties.c
+++ b/libcutils/properties.c
@@ -15,17 +15,94 @@
  */
 
 #define LOG_TAG "properties"
+// #define LOG_NDEBUG 0
 
 #include <stdlib.h>
 #include <string.h>
+#include <ctype.h>
 #include <unistd.h>
 #include <cutils/sockets.h>
 #include <errno.h>
 #include <assert.h>
 
 #include <cutils/properties.h>
+#include <stdbool.h>
+#include <inttypes.h>
 #include "loghack.h"
 
+int8_t property_get_bool(const char *key, int8_t default_value) {
+    if (!key) {
+        return default_value;
+    }
+
+    int8_t result = default_value;
+    char buf[PROPERTY_VALUE_MAX] = {'\0',};
+
+    int len = property_get(key, buf, "");
+    if (len == 1) {
+        char ch = buf[0];
+        if (ch == '0' || ch == 'n') {
+            result = false;
+        } else if (ch == '1' || ch == 'y') {
+            result = true;
+        }
+    } else if (len > 1) {
+         if (!strcmp(buf, "no") || !strcmp(buf, "false") || !strcmp(buf, "off")) {
+            result = false;
+        } else if (!strcmp(buf, "yes") || !strcmp(buf, "true") || !strcmp(buf, "on")) {
+            result = true;
+        }
+    }
+
+    return result;
+}
+
+// Convert string property to int (default if fails); return default value if out of bounds
+static intmax_t property_get_imax(const char *key, intmax_t lower_bound, intmax_t upper_bound,
+        intmax_t default_value) {
+    if (!key) {
+        return default_value;
+    }
+
+    intmax_t result = default_value;
+    char buf[PROPERTY_VALUE_MAX] = {'\0',};
+    char *end = NULL;
+
+    int len = property_get(key, buf, "");
+    if (len > 0) {
+        int tmp = errno;
+        errno = 0;
+
+        // Infer base automatically
+        result = strtoimax(buf, &end, /*base*/0);
+        if ((result == INTMAX_MIN || result == INTMAX_MAX) && errno == ERANGE) {
+            // Over or underflow
+            result = default_value;
+            ALOGV("%s(%s,%lld) - overflow", __FUNCTION__, key, default_value);
+        } else if (result < lower_bound || result > upper_bound) {
+            // Out of range of requested bounds
+            result = default_value;
+            ALOGV("%s(%s,%lld) - out of range", __FUNCTION__, key, default_value);
+        } else if (end == buf) {
+            // Numeric conversion failed
+            result = default_value;
+            ALOGV("%s(%s,%lld) - numeric conversion failed", __FUNCTION__, key, default_value);
+        }
+
+        errno = tmp;
+    }
+
+    return result;
+}
+
+int64_t property_get_int64(const char *key, int64_t default_value) {
+    return (int64_t)property_get_imax(key, INT64_MIN, INT64_MAX, default_value);
+}
+
+int32_t property_get_int32(const char *key, int32_t default_value) {
+    return (int32_t)property_get_imax(key, INT32_MIN, INT32_MAX, default_value);
+}
+
 #ifdef HAVE_LIBC_SYSTEM_PROPERTIES
 
 #define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
@@ -44,10 +121,13 @@
     if(len > 0) {
         return len;
     }
-    
     if(default_value) {
         len = strlen(default_value);
-        memcpy(value, default_value, len + 1);
+        if (len >= PROPERTY_VALUE_MAX) {
+            len = PROPERTY_VALUE_MAX - 1;
+        }
+        memcpy(value, default_value, len);
+        value[len] = '\0';
     }
     return len;
 }
diff --git a/libcutils/tests/Android.mk b/libcutils/tests/Android.mk
new file mode 100644
index 0000000..e9d3ed7
--- /dev/null
+++ b/libcutils/tests/Android.mk
@@ -0,0 +1,31 @@
+# Copyright (C) 2014 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.
+
+LOCAL_PATH := $(call my-dir)
+include $(CLEAR_VARS)
+
+test_src_files := \
+    PropertiesTest.cpp \
+
+shared_libraries := \
+    libutils
+
+static_libraries := \
+    libcutils
+
+LOCAL_SHARED_LIBRARIES := $(shared_libraries)
+LOCAL_STATIC_LIBRARIES := $(static_libraries)
+LOCAL_SRC_FILES := $(test_src_files)
+LOCAL_MODULE := libcutils_test
+include $(BUILD_NATIVE_TEST)
diff --git a/libcutils/tests/PropertiesTest.cpp b/libcutils/tests/PropertiesTest.cpp
new file mode 100644
index 0000000..659821c
--- /dev/null
+++ b/libcutils/tests/PropertiesTest.cpp
@@ -0,0 +1,309 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Properties_test"
+#include <utils/Log.h>
+#include <gtest/gtest.h>
+
+#include <cutils/properties.h>
+#include <limits.h>
+#include <string>
+#include <sstream>
+#include <iostream>
+
+namespace android {
+
+#define STRINGIFY_INNER(x) #x
+#define STRINGIFY(x) STRINGIFY_INNER(x)
+#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
+#define ASSERT_OK(x) ASSERT_EQ(0, (x))
+#define EXPECT_OK(x) EXPECT_EQ(0, (x))
+
+#define PROPERTY_TEST_KEY "libcutils.test.key"
+#define PROPERTY_TEST_VALUE_DEFAULT "<<<default_value>>>"
+
+template <typename T>
+static std::string HexString(T value) {
+    std::stringstream ss;
+    ss << "0x" << std::hex << std::uppercase << value;
+    return ss.str();
+}
+
+template <typename T>
+static ::testing::AssertionResult AssertEqualHex(const char *mExpr,
+        const char *nExpr,
+        T m,
+        T n) {
+    if (m == n) {
+        return ::testing::AssertionSuccess();
+    }
+
+    return ::testing::AssertionFailure()
+        << mExpr << " and " << nExpr << " (expected: " << HexString(m) <<
+        ", actual: " << HexString(n) << ") are not equal";
+}
+
+class PropertiesTest : public testing::Test {
+public:
+    PropertiesTest() : mValue() {}
+protected:
+    virtual void SetUp() {
+        EXPECT_OK(property_set(PROPERTY_TEST_KEY, /*value*/NULL));
+    }
+
+    virtual void TearDown() {
+        EXPECT_OK(property_set(PROPERTY_TEST_KEY, /*value*/NULL));
+    }
+
+    char mValue[PROPERTY_VALUE_MAX];
+
+    template <typename T>
+    static std::string ToString(T value) {
+        std::stringstream ss;
+        ss << value;
+
+        return ss.str();
+    }
+
+    // Return length of property read; value is written into mValue
+    int SetAndGetProperty(const char* value, const char* defaultValue = PROPERTY_TEST_VALUE_DEFAULT) {
+        EXPECT_OK(property_set(PROPERTY_TEST_KEY, value)) << "value: '" << value << "'";
+        return property_get(PROPERTY_TEST_KEY, mValue, defaultValue);
+    }
+
+    void ResetValue(unsigned char c = 0xFF) {
+        for (size_t i = 0; i < ARRAY_SIZE(mValue); ++i) {
+            mValue[i] = (char) c;
+        }
+    }
+};
+
+TEST_F(PropertiesTest, SetString) {
+
+    // Null key -> unsuccessful set
+    {
+        // Null key -> fails
+        EXPECT_GT(0, property_set(/*key*/NULL, PROPERTY_TEST_VALUE_DEFAULT));
+    }
+
+    // Null value -> returns default value
+    {
+        // Null value -> OK , and it clears the value
+        EXPECT_OK(property_set(PROPERTY_TEST_KEY, /*value*/NULL));
+        ResetValue();
+
+        // Since the value is null, default value will be returned
+        int len = property_get(PROPERTY_TEST_KEY, mValue, PROPERTY_TEST_VALUE_DEFAULT);
+        EXPECT_EQ(strlen(PROPERTY_TEST_VALUE_DEFAULT), len);
+        EXPECT_STREQ(PROPERTY_TEST_VALUE_DEFAULT, mValue);
+    }
+
+    // Trivial case => get returns what was set
+    {
+        int len = SetAndGetProperty("hello_world");
+        EXPECT_EQ(strlen("hello_world"), len) << "hello_world key";
+        EXPECT_STREQ("hello_world", mValue);
+        ResetValue();
+    }
+
+    // Set to empty string => get returns default always
+    {
+        const char* EMPTY_STRING_DEFAULT = "EMPTY_STRING";
+        int len = SetAndGetProperty("", EMPTY_STRING_DEFAULT);
+        EXPECT_EQ(strlen(EMPTY_STRING_DEFAULT), len) << "empty key";
+        EXPECT_STREQ(EMPTY_STRING_DEFAULT, mValue);
+        ResetValue();
+    }
+
+    // Set to max length => get returns what was set
+    {
+        std::string maxLengthString = std::string(PROPERTY_VALUE_MAX-1, 'a');
+
+        int len = SetAndGetProperty(maxLengthString.c_str());
+        EXPECT_EQ(PROPERTY_VALUE_MAX-1, len) << "max length key";
+        EXPECT_STREQ(maxLengthString.c_str(), mValue);
+        ResetValue();
+    }
+
+    // Set to max length + 1 => set fails
+    {
+        const char* VALID_TEST_VALUE = "VALID_VALUE";
+        ASSERT_OK(property_set(PROPERTY_TEST_KEY, VALID_TEST_VALUE));
+
+        std::string oneLongerString = std::string(PROPERTY_VALUE_MAX, 'a');
+
+        // Expect that the value set fails since it's too long
+        EXPECT_GT(0, property_set(PROPERTY_TEST_KEY, oneLongerString.c_str()));
+        int len = property_get(PROPERTY_TEST_KEY, mValue, PROPERTY_TEST_VALUE_DEFAULT);
+
+        EXPECT_EQ(strlen(VALID_TEST_VALUE), len) << "set should've failed";
+        EXPECT_STREQ(VALID_TEST_VALUE, mValue);
+        ResetValue();
+    }
+}
+
+TEST_F(PropertiesTest, GetString) {
+
+    // Try to use a default value that's too long => set fails
+    {
+        ASSERT_OK(property_set(PROPERTY_TEST_KEY, ""));
+
+        std::string maxLengthString = std::string(PROPERTY_VALUE_MAX-1, 'a');
+        std::string oneLongerString = std::string(PROPERTY_VALUE_MAX, 'a');
+
+        // Expect that the value is truncated since it's too long (by 1)
+        int len = property_get(PROPERTY_TEST_KEY, mValue, oneLongerString.c_str());
+        EXPECT_EQ(PROPERTY_VALUE_MAX-1, len);
+        EXPECT_STREQ(maxLengthString.c_str(), mValue);
+        ResetValue();
+    }
+}
+
+TEST_F(PropertiesTest, GetBool) {
+    /**
+     * TRUE
+     */
+    const char *valuesTrue[] = { "1", "true", "y", "yes", "on", };
+    for (size_t i = 0; i < ARRAY_SIZE(valuesTrue); ++i) {
+        ASSERT_OK(property_set(PROPERTY_TEST_KEY, valuesTrue[i]));
+        bool val = property_get_bool(PROPERTY_TEST_KEY, /*default_value*/false);
+        EXPECT_TRUE(val) << "Property should've been TRUE for value: '" << valuesTrue[i] << "'";
+    }
+
+    /**
+     * FALSE
+     */
+    const char *valuesFalse[] = { "0", "false", "n", "no", "off", };
+    for (size_t i = 0; i < ARRAY_SIZE(valuesFalse); ++i) {
+        ASSERT_OK(property_set(PROPERTY_TEST_KEY, valuesFalse[i]));
+        bool val = property_get_bool(PROPERTY_TEST_KEY, /*default_value*/true);
+        EXPECT_FALSE(val) << "Property shoud've been FALSE For string value: '" << valuesFalse[i] << "'";
+    }
+
+    /**
+     * NEITHER
+     */
+    const char *valuesNeither[] = { "x0", "x1", "2", "-2", "True", "False", "garbage", "", " ",
+            "+1", "  1  ", "  true", "  true  ", "  y  ", "  yes", "yes  ",
+            "+0", "-0", "00", "  00  ", "  false", "false  ",
+    };
+    for (size_t i = 0; i < ARRAY_SIZE(valuesNeither); ++i) {
+        ASSERT_OK(property_set(PROPERTY_TEST_KEY, valuesNeither[i]));
+
+        // The default value should always be used
+        bool val = property_get_bool(PROPERTY_TEST_KEY, /*default_value*/true);
+        EXPECT_TRUE(val) << "Property should've been NEITHER (true) for string value: '" << valuesNeither[i] << "'";
+
+        val = property_get_bool(PROPERTY_TEST_KEY, /*default_value*/false);
+        EXPECT_FALSE(val) << "Property should've been NEITHER (false) for string value: '" << valuesNeither[i] << "'";
+    }
+}
+
+TEST_F(PropertiesTest, GetInt64) {
+    const int64_t DEFAULT_VALUE = INT64_C(0xDEADBEEFBEEFDEAD);
+
+    const std::string longMaxString = ToString(INT64_MAX);
+    const std::string longStringOverflow = longMaxString + "0";
+
+    const std::string longMinString = ToString(INT64_MIN);
+    const std::string longStringUnderflow = longMinString + "0";
+
+    const char* setValues[] = {
+        // base 10
+        "1", "2", "12345", "-1", "-2", "-12345",
+        // base 16
+        "0xFF", "0x0FF", "0xC0FFEE",
+        // base 8
+        "0", "01234", "07",
+        // corner cases
+        "       2", "2      ", "+0", "-0", "  +0   ", longMaxString.c_str(), longMinString.c_str(),
+        // failing cases
+        NULL, "", " ", "    ", "hello", "     true     ", "y",
+        longStringOverflow.c_str(), longStringUnderflow.c_str(),
+    };
+
+    int64_t getValues[] = {
+        // base 10
+        1, 2, 12345, -1, -2, -12345,
+        // base 16
+        0xFF, 0x0FF, 0xC0FFEE,
+        // base 8
+        0, 01234, 07,
+        // corner cases
+        2, 2, 0, 0, 0, INT64_MAX, INT64_MIN,
+        // failing cases
+        DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE,
+        DEFAULT_VALUE, DEFAULT_VALUE,
+    };
+
+    ASSERT_EQ(ARRAY_SIZE(setValues), ARRAY_SIZE(getValues));
+
+    for (size_t i = 0; i < ARRAY_SIZE(setValues); ++i) {
+        ASSERT_OK(property_set(PROPERTY_TEST_KEY, setValues[i]));
+
+        int64_t val = property_get_int64(PROPERTY_TEST_KEY, DEFAULT_VALUE);
+        EXPECT_PRED_FORMAT2(AssertEqualHex, getValues[i], val) << "Property was set to '" << setValues[i] << "'";
+    }
+}
+
+TEST_F(PropertiesTest, GetInt32) {
+    const int32_t DEFAULT_VALUE = INT32_C(0xDEADBEEF);
+
+    const std::string intMaxString = ToString(INT32_MAX);
+    const std::string intStringOverflow = intMaxString + "0";
+
+    const std::string intMinString = ToString(INT32_MIN);
+    const std::string intStringUnderflow = intMinString + "0";
+
+    const char* setValues[] = {
+        // base 10
+        "1", "2", "12345", "-1", "-2", "-12345",
+        // base 16
+        "0xFF", "0x0FF", "0xC0FFEE", "0Xf00",
+        // base 8
+        "0", "01234", "07",
+        // corner cases
+        "       2", "2      ", "+0", "-0", "  +0   ", intMaxString.c_str(), intMinString.c_str(),
+        // failing cases
+        NULL, "", " ", "    ", "hello", "     true     ", "y",
+        intStringOverflow.c_str(), intStringUnderflow.c_str(),
+    };
+
+    int32_t getValues[] = {
+        // base 10
+        1, 2, 12345, -1, -2, -12345,
+        // base 16
+        0xFF, 0x0FF, 0xC0FFEE, 0Xf00,
+        // base 8
+        0, 01234, 07,
+        // corner cases
+        2, 2, 0, 0, 0, INT32_MAX, INT32_MIN,
+        // failing cases
+        DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE, DEFAULT_VALUE,
+        DEFAULT_VALUE, DEFAULT_VALUE,
+    };
+
+    ASSERT_EQ(ARRAY_SIZE(setValues), ARRAY_SIZE(getValues));
+
+    for (size_t i = 0; i < ARRAY_SIZE(setValues); ++i) {
+        ASSERT_OK(property_set(PROPERTY_TEST_KEY, setValues[i]));
+
+        int32_t val = property_get_int32(PROPERTY_TEST_KEY, DEFAULT_VALUE);
+        EXPECT_PRED_FORMAT2(AssertEqualHex, getValues[i], val) << "Property was set to '" << setValues[i] << "'";
+    }
+}
+
+} // namespace android
diff --git a/liblog/tests/liblog_test.cpp b/liblog/tests/liblog_test.cpp
index d726f2d..24ae738 100644
--- a/liblog/tests/liblog_test.cpp
+++ b/liblog/tests/liblog_test.cpp
@@ -484,7 +484,7 @@
 
     EXPECT_EQ(true, matches);
 
-    EXPECT_LE(sizeof(max_payload_buf), max_len);
+    EXPECT_LE(sizeof(max_payload_buf), static_cast<size_t>(max_len));
 
     android_logger_list_close(logger_list);
 }
diff --git a/libpixelflinger/codeflinger/disassem.c b/libpixelflinger/codeflinger/disassem.c
index aeb8034..39dd614 100644
--- a/libpixelflinger/codeflinger/disassem.c
+++ b/libpixelflinger/codeflinger/disassem.c
@@ -301,19 +301,14 @@
 static void disassemble_printaddr(u_int address);
 
 u_int
-disasm(const disasm_interface_t *di, u_int loc, int altfmt)
+disasm(const disasm_interface_t *di, u_int loc, int __unused altfmt)
 {
 	const struct arm32_insn *i_ptr = &arm32_i[0];
-
-	u_int insn;
-	int matchp;
+	u_int insn = di->di_readword(loc);
+	int matchp = 0;
 	int branch;
 	char* f_ptr;
-	int fmt;
-
-	fmt = 0;
-	matchp = 0;
-	insn = di->di_readword(loc);
+	int fmt = 0;
 
 /*	di->di_printf("loc=%08x insn=%08x : ", loc, insn);*/
 
@@ -670,7 +665,7 @@
 }
 
 static void
-disasm_insn_ldcstc(const disasm_interface_t *di, u_int insn, u_int loc)
+disasm_insn_ldcstc(const disasm_interface_t *di, u_int insn, u_int __unused loc)
 {
 	if (((insn >> 8) & 0xf) == 1)
 		di->di_printf("f%d, ", (insn >> 12) & 0x07);
diff --git a/libpixelflinger/codeflinger/disassem.h b/libpixelflinger/codeflinger/disassem.h
index 02747cd..c7c60b6 100644
--- a/libpixelflinger/codeflinger/disassem.h
+++ b/libpixelflinger/codeflinger/disassem.h
@@ -49,8 +49,8 @@
 
 typedef struct {
 	u_int	(*di_readword)(u_int);
-	void	(*di_printaddr)(u_int);	
-	void	(*di_printf)(const char *, ...);
+	void	(*di_printaddr)(u_int);
+	int	(*di_printf)(const char *, ...);
 } disasm_interface_t;
 
 /* Prototypes for callable functions */
diff --git a/libsuspend/autosuspend_earlysuspend.c b/libsuspend/autosuspend_earlysuspend.c
index 1df8c6a..2bece4c 100644
--- a/libsuspend/autosuspend_earlysuspend.c
+++ b/libsuspend/autosuspend_earlysuspend.c
@@ -75,13 +75,8 @@
     return err < 0 ? err : 0;
 }
 
-static void *earlysuspend_thread_func(void *arg)
+static void *earlysuspend_thread_func(void __unused *arg)
 {
-    char buf[80];
-    char wakeup_count[20];
-    int wakeup_count_len;
-    int ret;
-
     while (1) {
         if (wait_for_fb_sleep()) {
             ALOGE("Failed reading wait_for_fb_sleep, exiting earlysuspend thread\n");
diff --git a/libutils/Timers.cpp b/libutils/Timers.cpp
index 5293cd2..a431e92 100644
--- a/libutils/Timers.cpp
+++ b/libutils/Timers.cpp
@@ -34,7 +34,7 @@
 
 nsecs_t systemTime(int clock)
 {
-#if defined(HAVE_POSIX_CLOCKS)
+#if defined(HAVE_ANDROID_OS)
     static const clockid_t clocks[] = {
             CLOCK_REALTIME,
             CLOCK_MONOTONIC,
@@ -47,7 +47,9 @@
     clock_gettime(clocks[clock], &t);
     return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec;
 #else
-    // we don't support the clocks here.
+    // Clock support varies widely across hosts. Mac OS doesn't support
+    // posix clocks, older glibcs don't support CLOCK_BOOTTIME and Windows
+    // is windows.
     struct timeval t;
     t.tv_sec = t.tv_usec = 0;
     gettimeofday(&t, NULL);
diff --git a/libutils/tests/BasicHashtable_test.cpp b/libutils/tests/BasicHashtable_test.cpp
index 7dcf750..a61b1e1 100644
--- a/libutils/tests/BasicHashtable_test.cpp
+++ b/libutils/tests/BasicHashtable_test.cpp
@@ -397,7 +397,7 @@
         const SimpleEntry& entry = h.entryAt(index);
         ASSERT_GE(entry.key, 0);
         ASSERT_LT(entry.key, N);
-        ASSERT_EQ(false, set[entry.key]);
+        ASSERT_FALSE(set[entry.key]);
         ASSERT_EQ(entry.key * 10, entry.value);
 
         set[entry.key] = true;
diff --git a/libutils/tests/LruCache_test.cpp b/libutils/tests/LruCache_test.cpp
index e573952..bcbea32 100644
--- a/libutils/tests/LruCache_test.cpp
+++ b/libutils/tests/LruCache_test.cpp
@@ -184,7 +184,7 @@
 
     for (size_t i = 0; i < kNumKeys; i++) {
         strings[i] = (char *)malloc(16);
-        sprintf(strings[i], "%d", i);
+        sprintf(strings[i], "%zu", i);
     }
 
     srandom(12345);
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index 00a60bd..ca97208 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -230,12 +230,16 @@
                     "                  'events' or 'all'. Multiple -b parameters are allowed and\n"
                     "                  results are interleaved. The default is -b main -b system.\n"
                     "  -B              output the log in binary.\n"
-                    "  -S              output statistics.\n");
-
-    fprintf(stderr, "  -G <count>      set size of log's ring buffer and exit\n"
-                    "  -p              output prune white and ~black list\n"
-                    "  -P '<list> ...' set prune white and ~black list; UID, /PID or !(worst UID)\n"
-                    "                  default is ~!, prune worst UID.\n");
+                    "  -S              output statistics.\n"
+                    "  -G <size>       set size of log ring buffer, may suffix with K or M.\n"
+                    "  -p              print prune white and ~black list. Service is specified as\n"
+                    "                  UID, UID/PID or /PID. Weighed for quicker pruning if prefix\n"
+                    "                  with ~, otherwise weighed for longevity if unadorned. All\n"
+                    "                  other pruning activity is oldest first. Special case ~!\n"
+                    "                  represents an automatic quicker pruning for the noisiest\n"
+                    "                  UID as determined by the current statistics.\n"
+                    "  -P '<list> ...' set prune white and ~black list, using same format as\n"
+                    "                  printed above. Must be quoted.\n");
 
     fprintf(stderr,"\nfilterspecs are a series of \n"
                    "  <tag>[:priority]\n\n"
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 79e33ef..d9e4d1c 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -557,7 +557,7 @@
     # encryption) or trigger_restart_min_framework (other encryption)
 
 # One shot invocation to encrypt unencrypted volumes
-service encrypt /system/bin/vdc --wait cryptfs enablecrypto inplace
+service encrypt /system/bin/vdc --wait cryptfs enablecrypto inplace default
     disabled
     oneshot
     # vold will set vold.decrypt to trigger_restart_framework (default
diff --git a/rootdir/init.zygote32_64.rc b/rootdir/init.zygote32_64.rc
new file mode 100644
index 0000000..3d60a31
--- /dev/null
+++ b/rootdir/init.zygote32_64.rc
@@ -0,0 +1,12 @@
+service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server --socket-name=zygote
+    class main
+    socket zygote stream 660 root system
+    onrestart write /sys/android_power/request_state wake
+    onrestart write /sys/power/state on
+    onrestart restart media
+    onrestart restart netd
+
+service zygote_secondary /system/bin/app_process64 -Xzygote /system/bin --zygote --socket-name=zygote_secondary
+    class main
+    socket zygote_secondary stream 660 root system
+    onrestart restart zygote
diff --git a/toolbox/syren.c b/toolbox/syren.c
index 06e329e..47c2460 100644
--- a/toolbox/syren.c
+++ b/toolbox/syren.c
@@ -123,7 +123,11 @@
 
 	r = find_reg(argv[2]);
 	if (r == NULL) {
-		strcpy(name, argv[2]);
+		if(strlen(argv[2]) >= sizeof(name)){
+			fprintf(stderr, "REGNAME too long\n");
+			return 0;
+		}
+		strlcpy(name, argv[2], sizeof(name));
 		char *addr_str = strchr(argv[2], ':');
 		if (addr_str == NULL)
 			return usage();
@@ -131,7 +135,7 @@
 		sio.page = strtoul(argv[2], 0, 0);
 		sio.addr = strtoul(addr_str, 0, 0);
 	} else {
-		strcpy(name, r->name);
+		strlcpy(name, r->name, sizeof(name));
 		sio.page = r->page;
 		sio.addr = r->addr;
 	}