diff --git a/bootstat/histogram_logger.cpp b/bootstat/histogram_logger.cpp
index 6a9ef2b..73f3295 100644
--- a/bootstat/histogram_logger.cpp
+++ b/bootstat/histogram_logger.cpp
@@ -19,13 +19,13 @@
 #include <cstdlib>
 
 #include <android-base/logging.h>
-#include <log/log.h>
+#include <log/log_event_list.h>
 
 namespace bootstat {
 
 void LogHistogram(const std::string& event, int32_t data) {
   LOG(INFO) << "Logging histogram: " << event << " " << data;
-  android_log_event_context log(HISTOGRAM_LOG_TAG);
+  android_log_event_list log(HISTOGRAM_LOG_TAG);
   log << event << data << LOG_ID_EVENTS;
 }
 
diff --git a/include/log/log.h b/include/log/log.h
index a44aba8..d6f0eb5 100644
--- a/include/log/log.h
+++ b/include/log/log.h
@@ -27,15 +27,8 @@
 #include <time.h>    /* clock_gettime */
 #include <unistd.h>
 
-#include <log/uio.h> /* helper to define iovec for portability */
-
-#if (defined(__cplusplus) && defined(_USING_LIBCXX))
-extern "C++" {
-#include <string>
-}
-#endif
-
 #include <android/log.h>
+#include <log/uio.h> /* helper to define iovec for portability */
 
 #ifdef __cplusplus
 extern "C" {
@@ -774,207 +767,6 @@
 
 /* --------------------------------------------------------------------- */
 
-#ifndef __ANDROID_USE_LIBLOG_EVENT_INTERFACE
-#ifndef __ANDROID_API__
-#define __ANDROID_USE_LIBLOG_EVENT_INTERFACE 1
-#elif __ANDROID_API__ > 23 /* > Marshmallow */
-#define __ANDROID_USE_LIBLOG_EVENT_INTERFACE 1
-#else
-#define __ANDROID_USE_LIBLOG_EVENT_INTERFACE 0
-#endif
-#endif
-
-#if __ANDROID_USE_LIBLOG_EVENT_INTERFACE
-
-/* For manipulating lists of events. */
-
-#define ANDROID_MAX_LIST_NEST_DEPTH 8
-
-/*
- * The opaque context used to manipulate lists of events.
- */
-#ifndef __android_log_context_defined
-#define __android_log_context_defined
-typedef struct android_log_context_internal* android_log_context;
-#endif
-
-/*
- * Elements returned when reading a list of events.
- */
-#ifndef __android_log_list_element_defined
-#define __android_log_list_element_defined
-typedef struct {
-    AndroidEventLogType type;
-    uint16_t complete;
-    uint16_t len;
-    union {
-        int32_t int32;
-        int64_t int64;
-        char* string;
-        float float32;
-    } data;
-} android_log_list_element;
-#endif
-
-/*
- * Creates a context associated with an event tag to write elements to
- * the list of events.
- */
-android_log_context create_android_logger(uint32_t tag);
-
-/* All lists must be braced by a begin and end call */
-/*
- * NB: If the first level braces are missing when specifying multiple
- *     elements, we will manufacturer a list to embrace it for your API
- *     convenience. For a single element, it will remain solitary.
- */
-int android_log_write_list_begin(android_log_context ctx);
-int android_log_write_list_end(android_log_context ctx);
-
-int android_log_write_int32(android_log_context ctx, int32_t value);
-int android_log_write_int64(android_log_context ctx, int64_t value);
-int android_log_write_string8(android_log_context ctx, const char* value);
-int android_log_write_string8_len(android_log_context ctx,
-                                  const char* value, size_t maxlen);
-int android_log_write_float32(android_log_context ctx, float value);
-
-/* Submit the composed list context to the specified logger id */
-/* NB: LOG_ID_EVENTS and LOG_ID_SECURITY only valid binary buffers */
-int android_log_write_list(android_log_context ctx, log_id_t id);
-
-/*
- * Creates a context from a raw buffer representing a list of events to be read.
- */
-android_log_context create_android_log_parser(const char* msg, size_t len);
-
-android_log_list_element android_log_read_next(android_log_context ctx);
-android_log_list_element android_log_peek_next(android_log_context ctx);
-
-/* Finished with reader or writer context */
-int android_log_destroy(android_log_context* ctx);
-
-#ifdef __cplusplus
-#ifndef __class_android_log_event_context
-#define __class_android_log_event_context
-/* android_log_context C++ helpers */
-extern "C++" {
-class android_log_event_context {
-    android_log_context ctx;
-    int ret;
-
-    android_log_event_context(const android_log_event_context&) = delete;
-    void operator =(const android_log_event_context&) = delete;
-
-public:
-    explicit android_log_event_context(int tag) : ret(0) {
-        ctx = create_android_logger(static_cast<uint32_t>(tag));
-    }
-    explicit android_log_event_context(log_msg& log_msg) : ret(0) {
-        ctx = create_android_log_parser(log_msg.msg() + sizeof(uint32_t),
-                                        log_msg.entry.len - sizeof(uint32_t));
-    }
-    ~android_log_event_context() { android_log_destroy(&ctx); }
-
-    int close() {
-        int retval = android_log_destroy(&ctx);
-        if (retval < 0) ret = retval;
-        return retval;
-    }
-
-    /* To allow above C calls to use this class as parameter */
-    operator android_log_context() const { return ctx; }
-
-    int status() const { return ret; }
-
-    int begin() {
-        int retval = android_log_write_list_begin(ctx);
-        if (retval < 0) ret = retval;
-        return ret;
-    }
-    int end() {
-        int retval = android_log_write_list_end(ctx);
-        if (retval < 0) ret = retval;
-        return ret;
-    }
-
-    android_log_event_context& operator <<(int32_t value) {
-        int retval = android_log_write_int32(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(uint32_t value) {
-        int retval = android_log_write_int32(ctx, static_cast<int32_t>(value));
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(int64_t value) {
-        int retval = android_log_write_int64(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(uint64_t value) {
-        int retval = android_log_write_int64(ctx, static_cast<int64_t>(value));
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-    android_log_event_context& operator <<(const char* value) {
-        int retval = android_log_write_string8(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-#if defined(_USING_LIBCXX)
-    android_log_event_context& operator <<(const std::string& value) {
-        int retval = android_log_write_string8_len(ctx,
-                                                   value.data(),
-                                                   value.length());
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-#endif
-    android_log_event_context& operator <<(float value) {
-        int retval = android_log_write_float32(ctx, value);
-        if (retval < 0) ret = retval;
-        return *this;
-    }
-
-    int write(log_id_t id = LOG_ID_EVENTS) {
-        int retval = android_log_write_list(ctx, id);
-        if (retval < 0) ret = retval;
-        return ret;
-    }
-
-    int operator <<(log_id_t id) {
-        int retval = android_log_write_list(ctx, id);
-        if (retval < 0) ret = retval;
-        android_log_destroy(&ctx);
-        return ret;
-    }
-
-    /*
-     * Append should be a lesser-used interface, but adds
-     * access to string with length. So we offer all types.
-     */
-    template <typename Tvalue>
-    bool Append(Tvalue value) { *this << value; return ret >= 0; }
-
-    bool Append(const char* value, size_t len) {
-        int retval = android_log_write_string8_len(ctx, value, len);
-        if (retval < 0) ret = retval;
-        return ret >= 0;
-    }
-
-    android_log_list_element read() { return android_log_read_next(ctx); }
-    android_log_list_element peek() { return android_log_peek_next(ctx); }
-
-};
-}
-#endif
-#endif
-
-#endif /* __ANDROID_USE_LIBLOG_EVENT_INTERFACE */
-
-/* --------------------------------------------------------------------- */
-
 #ifndef _ANDROID_USE_LIBLOG_SAFETYNET_INTERFACE
 #ifndef __ANDROID_API__
 #define __ANDROID_USE_LIBLOG_SAFETYNET_INTERFACE 1
diff --git a/include/log/log_event_list.h b/include/log/log_event_list.h
new file mode 100644
index 0000000..04c1cd6
--- /dev/null
+++ b/include/log/log_event_list.h
@@ -0,0 +1,296 @@
+/*
+ * Copyright (C) 2005-2016 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.
+ */
+
+#ifndef _LIBS_LOG_EVENT_LIST_H
+#define _LIBS_LOG_EVENT_LIST_H
+
+#include <stdint.h>
+
+#if (defined(__cplusplus) && defined(_USING_LIBCXX))
+extern "C++" {
+#include <string>
+}
+#endif
+
+#include <log/log.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __ANDROID_USE_LIBLOG_EVENT_INTERFACE
+#ifndef __ANDROID_API__
+#define __ANDROID_USE_LIBLOG_EVENT_INTERFACE 1
+#elif __ANDROID_API__ > 23 /* > Marshmallow */
+#define __ANDROID_USE_LIBLOG_EVENT_INTERFACE 1
+#else
+#define __ANDROID_USE_LIBLOG_EVENT_INTERFACE 0
+#endif
+#endif
+
+#if __ANDROID_USE_LIBLOG_EVENT_INTERFACE
+
+/* For manipulating lists of events. */
+
+#define ANDROID_MAX_LIST_NEST_DEPTH 8
+
+/*
+ * The opaque context used to manipulate lists of events.
+ */
+#ifndef __android_log_context_defined
+#define __android_log_context_defined
+typedef struct android_log_context_internal* android_log_context;
+#endif
+
+/*
+ * Elements returned when reading a list of events.
+ */
+#ifndef __android_log_list_element_defined
+#define __android_log_list_element_defined
+typedef struct {
+    AndroidEventLogType type;
+    uint16_t complete;
+    uint16_t len;
+    union {
+        int32_t int32;
+        int64_t int64;
+        char* string;
+        float float32;
+    } data;
+} android_log_list_element;
+#endif
+
+/*
+ * Creates a context associated with an event tag to write elements to
+ * the list of events.
+ */
+android_log_context create_android_logger(uint32_t tag);
+
+/* All lists must be braced by a begin and end call */
+/*
+ * NB: If the first level braces are missing when specifying multiple
+ *     elements, we will manufacturer a list to embrace it for your API
+ *     convenience. For a single element, it will remain solitary.
+ */
+int android_log_write_list_begin(android_log_context ctx);
+int android_log_write_list_end(android_log_context ctx);
+
+int android_log_write_int32(android_log_context ctx, int32_t value);
+int android_log_write_int64(android_log_context ctx, int64_t value);
+int android_log_write_string8(android_log_context ctx, const char* value);
+int android_log_write_string8_len(android_log_context ctx,
+                                  const char* value, size_t maxlen);
+int android_log_write_float32(android_log_context ctx, float value);
+
+/* Submit the composed list context to the specified logger id */
+/* NB: LOG_ID_EVENTS and LOG_ID_SECURITY only valid binary buffers */
+int android_log_write_list(android_log_context ctx, log_id_t id);
+
+/*
+ * Creates a context from a raw buffer representing a list of events to be read.
+ */
+android_log_context create_android_log_parser(const char* msg, size_t len);
+
+android_log_list_element android_log_read_next(android_log_context ctx);
+android_log_list_element android_log_peek_next(android_log_context ctx);
+
+/* Finished with reader or writer context */
+int android_log_destroy(android_log_context* ctx);
+
+#ifdef __cplusplus
+#ifndef __class_android_log_event_list_defined
+#define __class_android_log_event_list_defined
+/* android_log_list C++ helpers */
+extern "C++" {
+class android_log_event_list {
+
+private:
+    android_log_context ctx;
+    int ret;
+
+    android_log_event_list(const android_log_event_list&) = delete;
+    void operator =(const android_log_event_list&) = delete;
+
+public:
+    explicit android_log_event_list(int tag) : ret(0) {
+        ctx = create_android_logger(static_cast<uint32_t>(tag));
+    }
+    explicit android_log_event_list(log_msg& log_msg) : ret(0) {
+        ctx = create_android_log_parser(log_msg.msg() + sizeof(uint32_t),
+                                        log_msg.entry.len - sizeof(uint32_t));
+    }
+    ~android_log_event_list() { android_log_destroy(&ctx); }
+
+    int close() {
+        int retval = android_log_destroy(&ctx);
+        if (retval < 0) ret = retval;
+        return retval;
+    }
+
+    /* To allow above C calls to use this class as parameter */
+    operator android_log_context() const { return ctx; }
+
+    int status() const { return ret; }
+
+    int begin() {
+        int retval = android_log_write_list_begin(ctx);
+        if (retval < 0) ret = retval;
+        return ret;
+    }
+    int end() {
+        int retval = android_log_write_list_end(ctx);
+        if (retval < 0) ret = retval;
+        return ret;
+    }
+
+    android_log_event_list& operator <<(int32_t value) {
+        int retval = android_log_write_int32(ctx, value);
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+
+    android_log_event_list& operator <<(uint32_t value) {
+        int retval = android_log_write_int32(ctx, static_cast<int32_t>(value));
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+
+    android_log_event_list& operator <<(int64_t value) {
+        int retval = android_log_write_int64(ctx, value);
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+
+    android_log_event_list& operator <<(uint64_t value) {
+        int retval = android_log_write_int64(ctx, static_cast<int64_t>(value));
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+
+    android_log_event_list& operator <<(const char* value) {
+        int retval = android_log_write_string8(ctx, value);
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+
+#if defined(_USING_LIBCXX)
+    android_log_event_list& operator <<(const std::string& value) {
+        int retval = android_log_write_string8_len(ctx,
+                                                   value.data(),
+                                                   value.length());
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+#endif
+
+    android_log_event_list& operator <<(float value) {
+        int retval = android_log_write_float32(ctx, value);
+        if (retval < 0) ret = retval;
+        return *this;
+    }
+
+    int write(log_id_t id = LOG_ID_EVENTS) {
+        int retval = android_log_write_list(ctx, id);
+        if (retval < 0) ret = retval;
+        return ret;
+    }
+
+    int operator <<(log_id_t id) {
+        int retval = android_log_write_list(ctx, id);
+        if (retval < 0) ret = retval;
+        android_log_destroy(&ctx);
+        return ret;
+    }
+
+    /*
+     * Append<Type> methods removes any integer promotion
+     * confusion, and adds access to string with length.
+     * Append methods are also added for all types for
+     * convenience.
+     */
+
+    bool AppendInt(int32_t value) {
+        int retval = android_log_write_int32(ctx, value);
+        if (retval < 0) ret = retval;
+        return ret >= 0;
+    }
+
+    bool AppendLong(int64_t value) {
+        int retval = android_log_write_int64(ctx, value);
+        if (retval < 0) ret = retval;
+        return ret >= 0;
+    }
+
+    bool AppendString(const char* value) {
+        int retval = android_log_write_string8(ctx, value);
+        if (retval < 0) ret = retval;
+        return ret >= 0;
+    }
+
+    bool AppendString(const char* value, size_t len) {
+        int retval = android_log_write_string8_len(ctx, value, len);
+        if (retval < 0) ret = retval;
+        return ret >= 0;
+    }
+
+#if defined(_USING_LIBCXX)
+    bool AppendString(const std::string& value) {
+        int retval = android_log_write_string8_len(ctx,
+                                                   value.data(),
+                                                   value.length());
+        if (retval < 0) ret = retval;
+        return ret;
+    }
+
+    bool Append(const std::string& value) {
+        int retval = android_log_write_string8_len(ctx,
+                                                   value.data(),
+                                                   value.length());
+        if (retval < 0) ret = retval;
+        return ret;
+    }
+#endif
+
+    bool AppendFloat(float value) {
+        int retval = android_log_write_float32(ctx, value);
+        if (retval < 0) ret = retval;
+        return ret >= 0;
+    }
+
+    template <typename Tvalue>
+    bool Append(Tvalue value) { *this << value; return ret >= 0; }
+
+    bool Append(const char* value, size_t len) {
+        int retval = android_log_write_string8_len(ctx, value, len);
+        if (retval < 0) ret = retval;
+        return ret >= 0;
+    }
+
+    android_log_list_element read() { return android_log_read_next(ctx); }
+    android_log_list_element peek() { return android_log_peek_next(ctx); }
+
+};
+}
+#endif
+#endif
+
+#endif /* __ANDROID_USE_LIBLOG_EVENT_INTERFACE */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBS_LOG_EVENT_LIST_H */
diff --git a/liblog/log_event_list.c b/liblog/log_event_list.c
index 11d8afb..8303b63 100644
--- a/liblog/log_event_list.c
+++ b/liblog/log_event_list.c
@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <log/log_event_list.h>
 #include <private/android_logger.h>
 
 #include "log_portability.h"
diff --git a/liblog/log_event_write.c b/liblog/log_event_write.c
index 7262fc5..14d6482 100644
--- a/liblog/log_event_write.c
+++ b/liblog/log_event_write.c
@@ -18,6 +18,7 @@
 #include <stdint.h>
 
 #include <log/log.h>
+#include <log/log_event_list.h>
 
 #include "log_portability.h"
 
diff --git a/liblog/tests/liblog_test.cpp b/liblog/tests/liblog_test.cpp
index 70c7a48..9c418c1 100644
--- a/liblog/tests/liblog_test.cpp
+++ b/liblog/tests/liblog_test.cpp
@@ -33,6 +33,7 @@
 #include <cutils/properties.h>
 #include <gtest/gtest.h>
 #include <log/logprint.h>
+#include <log/log_event_list.h>
 #include <private/android_filesystem_config.h>
 #include <private/android_logger.h>
 
diff --git a/logcat/tests/logcat_test.cpp b/logcat/tests/logcat_test.cpp
index 8d7c04e..11cffe6 100644
--- a/logcat/tests/logcat_test.cpp
+++ b/logcat/tests/logcat_test.cpp
@@ -29,6 +29,7 @@
 
 #include <gtest/gtest.h>
 #include <log/log.h>
+#include <log/log_event_list.h>
 
 #define BIG_BUFFER (5 * 1024)
 
@@ -1091,7 +1092,7 @@
     while (fgets(buffer, sizeof(buffer), fp)) {
         char *hold = *list;
         char *buf = buffer;
-	while (isspace(*buf)) {
+        while (isspace(*buf)) {
             ++buf;
         }
         char *end = buf + strlen(buf);
@@ -1126,7 +1127,7 @@
 
     while (fgets(buffer, sizeof(buffer), fp)) {
         char *buf = buffer;
-	while (isspace(*buf)) {
+        while (isspace(*buf)) {
             ++buf;
         }
         char *end = buf + strlen(buf);
@@ -1295,7 +1296,7 @@
 
     {
         static const struct tag hhgtg = { 42, "answer" };
-        android_log_event_context ctx(hhgtg.tagNo);
+        android_log_event_list ctx(hhgtg.tagNo);
         static const char theAnswer[] = "what is five by seven";
         ctx << theAnswer;
         ctx.write();
@@ -1307,7 +1308,7 @@
         static const struct tag sync = { 2720, "sync" };
         static const char id[] = "logcat.decriptive";
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << id << (int32_t)42 << (int32_t)-1 << (int32_t)0;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr,
@@ -1317,7 +1318,7 @@
 
         // Partial match to description
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << id << (int32_t)43 << (int64_t)-1 << (int32_t)0;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr,
@@ -1327,7 +1328,7 @@
 
         // Negative Test of End_to_End, ensure it is working
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << id << (int32_t)44 << (int32_t)-1 << (int64_t)0;
             ctx.write();
             fprintf(stderr, "Expect a \"Closest match\" message\n");
@@ -1340,7 +1341,7 @@
     {
         static const struct tag sync = { 2747, "contacts_aggregation" };
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << (uint64_t)30 << (int32_t)2;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr,
@@ -1348,7 +1349,7 @@
         }
 
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << (uint64_t)31570 << (int32_t)911;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr,
@@ -1359,42 +1360,42 @@
     {
         static const struct tag sync = { 75000, "sqlite_mem_alarm_current" };
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << (uint32_t)512;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr, "current=512B"));
         }
 
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << (uint32_t)3072;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr, "current=3KB"));
         }
 
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << (uint32_t)2097152;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr, "current=2MB"));
         }
 
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << (uint32_t)2097153;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr, "current=2097153B"));
         }
 
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << (uint32_t)1073741824;
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr, "current=1GB"));
         }
 
         {
-            android_log_event_context ctx(sync.tagNo);
+            android_log_event_list ctx(sync.tagNo);
             ctx << (uint32_t)3221225472; // 3MB, but on purpose overflowed
             ctx.write();
             EXPECT_TRUE(End_to_End(sync.tagStr, "current=-1GB"));
@@ -1403,7 +1404,7 @@
 
     {
         static const struct tag sync = { 27501, "notification_panel_hidden" };
-        android_log_event_context ctx(sync.tagNo);
+        android_log_event_list ctx(sync.tagNo);
         ctx.write();
         EXPECT_TRUE(End_to_End(sync.tagStr, ""));
     }