diff --git a/libs/binder/IPCThreadState.cpp b/libs/binder/IPCThreadState.cpp
index d67ce15..157538e 100644
--- a/libs/binder/IPCThreadState.cpp
+++ b/libs/binder/IPCThreadState.cpp
@@ -614,7 +614,7 @@
     talkWithDriver(false);
 }
 
-int IPCThreadState::setupPolling(int* fd)
+status_t IPCThreadState::setupPolling(int* fd)
 {
     if (mProcess->mDriverFD < 0) {
         return -EBADF;
diff --git a/libs/binder/include/binder/IPCThreadState.h b/libs/binder/include/binder/IPCThreadState.h
index 8d51cdc..2bd39a7 100644
--- a/libs/binder/include/binder/IPCThreadState.h
+++ b/libs/binder/include/binder/IPCThreadState.h
@@ -85,8 +85,8 @@
             int64_t             clearCallingIdentity();
             // Restores PID/UID (not SID)
             void                restoreCallingIdentity(int64_t token);
-            
-            int                 setupPolling(int* fd);
+
+            status_t            setupPolling(int* fd);
             status_t            handlePolledCommands();
             void                flushCommands();
 
diff --git a/libs/binder/ndk/include_platform/android/binder_process.h b/libs/binder/ndk/include_platform/android/binder_process.h
index fdefbb4..f408fad 100644
--- a/libs/binder/ndk/include_platform/android/binder_process.h
+++ b/libs/binder/ndk/include_platform/android/binder_process.h
@@ -19,10 +19,15 @@
 #include <stdint.h>
 #include <sys/cdefs.h>
 
+#include <android/binder_status.h>
+
 __BEGIN_DECLS
 
 /**
  * This creates a threadpool for incoming binder transactions if it has not already been created.
+ *
+ * When using this, it is expected that ABinderProcess_setupPolling and
+ * ABinderProcess_handlePolledCommands are not used.
  */
 void ABinderProcess_startThreadPool();
 /**
@@ -37,4 +42,27 @@
  */
 void ABinderProcess_joinThreadPool();
 
+/**
+ * This gives you an fd to wait on. Whenever data is available on the fd,
+ * ABinderProcess_handlePolledCommands can be called to handle binder queries.
+ * This is expected to be used in a single threaded process which waits on
+ * events from multiple different fds.
+ *
+ * When using this, it is expected ABinderProcess_startThreadPool and
+ * ABinderProcess_joinThreadPool are not used.
+ *
+ * \param fd out param corresponding to the binder domain opened in this
+ * process.
+ * \return STATUS_OK on success
+ */
+__attribute__((weak)) binder_status_t ABinderProcess_setupPolling(int* fd) __INTRODUCED_IN(31);
+
+/**
+ * This will handle all queued binder commands in this process and then return.
+ * It is expected to be called whenever there is data on the fd.
+ *
+ * \return STATUS_OK on success
+ */
+__attribute__((weak)) binder_status_t ABinderProcess_handlePolledCommands() __INTRODUCED_IN(31);
+
 __END_DECLS
diff --git a/libs/binder/ndk/libbinder_ndk.map.txt b/libs/binder/ndk/libbinder_ndk.map.txt
index 9b5fa26..d435382 100644
--- a/libs/binder/ndk/libbinder_ndk.map.txt
+++ b/libs/binder/ndk/libbinder_ndk.map.txt
@@ -113,6 +113,8 @@
 
 LIBBINDER_NDK31 { # introduced=31
   global:
+    ABinderProcess_handlePolledCommands; # apex
+    ABinderProcess_setupPolling; # apex
     AIBinder_getCallingSid; # apex
     AIBinder_setRequestingSid; # apex
 };
diff --git a/libs/binder/ndk/process.cpp b/libs/binder/ndk/process.cpp
index c89caaf..ac582a4 100644
--- a/libs/binder/ndk/process.cpp
+++ b/libs/binder/ndk/process.cpp
@@ -34,3 +34,11 @@
 void ABinderProcess_joinThreadPool() {
     IPCThreadState::self()->joinThreadPool();
 }
+
+binder_status_t ABinderProcess_setupPolling(int* fd) {
+    return IPCThreadState::self()->setupPolling(fd);
+}
+
+binder_status_t ABinderProcess_handlePolledCommands() {
+    return IPCThreadState::self()->handlePolledCommands();
+}
diff --git a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
index e3fdb4b..9b2fcf0 100644
--- a/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
+++ b/libs/binder/ndk/tests/libbinder_ndk_unit_test.cpp
@@ -24,6 +24,7 @@
 #include <android/binder_process.h>
 #include <gtest/gtest.h>
 #include <iface/iface.h>
+#include <utils/Looper.h>
 
 // warning: this is assuming that libbinder_ndk is using the same copy
 // of libbinder that we are.
@@ -107,19 +108,39 @@
     }
 };
 
-int manualService(const char* instance) {
-    ABinderProcess_setThreadPoolMaxThreadCount(0);
-
+void manualService(const char* instance) {
     // Strong reference to MyFoo kept by service manager.
     binder_status_t status = (new MyFoo)->addService(instance);
 
     if (status != STATUS_OK) {
         LOG(FATAL) << "Could not register: " << status << " " << instance;
     }
+}
+int manualPollingService(const char* instance) {
+    int fd;
+    CHECK(STATUS_OK == ABinderProcess_setupPolling(&fd));
+    manualService(instance);
 
+    class Handler : public LooperCallback {
+        int handleEvent(int /*fd*/, int /*events*/, void* /*data*/) override {
+            ABinderProcess_handlePolledCommands();
+            return 1;  // Continue receiving callbacks.
+        }
+    };
+
+    sp<Looper> looper = Looper::prepare(0 /* opts */);
+    looper->addFd(fd, Looper::POLL_CALLBACK, Looper::EVENT_INPUT, new Handler(), nullptr /*data*/);
+    // normally, would add additional fds
+    while (true) {
+        looper->pollAll(-1 /* timeoutMillis */);
+    }
+    return 1;  // should not reach
+}
+int manualThreadPoolService(const char* instance) {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    manualService(instance);
     ABinderProcess_joinThreadPool();
-
-    return 1;  // should not return
+    return 1;
 }
 
 // This is too slow
@@ -448,11 +469,11 @@
 
     if (fork() == 0) {
         prctl(PR_SET_PDEATHSIG, SIGHUP);
-        return manualService(IFoo::kInstanceNameToDieFor);
+        return manualThreadPoolService(IFoo::kInstanceNameToDieFor);
     }
     if (fork() == 0) {
         prctl(PR_SET_PDEATHSIG, SIGHUP);
-        return manualService(IFoo::kSomeInstanceName);
+        return manualPollingService(IFoo::kSomeInstanceName);
     }
     if (fork() == 0) {
         prctl(PR_SET_PDEATHSIG, SIGHUP);
diff --git a/opengl/libs/EGL/BlobCache.cpp b/opengl/libs/EGL/BlobCache.cpp
index 74c4d7d..089e28c 100644
--- a/opengl/libs/EGL/BlobCache.cpp
+++ b/opengl/libs/EGL/BlobCache.cpp
@@ -78,12 +78,12 @@
         return;
     }
 
-    std::shared_ptr<Blob> dummyKey(new Blob(key, keySize, false));
-    CacheEntry dummyEntry(dummyKey, nullptr);
+    std::shared_ptr<Blob> cacheKey(new Blob(key, keySize, false));
+    CacheEntry cacheEntry(cacheKey, nullptr);
 
     while (true) {
-        auto index = std::lower_bound(mCacheEntries.begin(), mCacheEntries.end(), dummyEntry);
-        if (index == mCacheEntries.end() || dummyEntry < *index) {
+        auto index = std::lower_bound(mCacheEntries.begin(), mCacheEntries.end(), cacheEntry);
+        if (index == mCacheEntries.end() || cacheEntry < *index) {
             // Create a new cache entry.
             std::shared_ptr<Blob> keyBlob(new Blob(key, keySize, true));
             std::shared_ptr<Blob> valueBlob(new Blob(value, valueSize, true));
@@ -138,10 +138,10 @@
                 keySize, mMaxKeySize);
         return 0;
     }
-    std::shared_ptr<Blob> dummyKey(new Blob(key, keySize, false));
-    CacheEntry dummyEntry(dummyKey, nullptr);
-    auto index = std::lower_bound(mCacheEntries.begin(), mCacheEntries.end(), dummyEntry);
-    if (index == mCacheEntries.end() || dummyEntry < *index) {
+    std::shared_ptr<Blob> cacheKey(new Blob(key, keySize, false));
+    CacheEntry cacheEntry(cacheKey, nullptr);
+    auto index = std::lower_bound(mCacheEntries.begin(), mCacheEntries.end(), cacheEntry);
+    if (index == mCacheEntries.end() || cacheEntry < *index) {
         ALOGV("get: no cache entry found for key of size %zu", keySize);
         return 0;
     }
diff --git a/opengl/libs/EGL/FileBlobCache.cpp b/opengl/libs/EGL/FileBlobCache.cpp
index 3284778..751f3be 100644
--- a/opengl/libs/EGL/FileBlobCache.cpp
+++ b/opengl/libs/EGL/FileBlobCache.cpp
@@ -70,7 +70,7 @@
             return;
         }
 
-        // Sanity check the size before trying to mmap it.
+        // Check the size before trying to mmap it.
         size_t fileSize = statBuf.st_size;
         if (fileSize > mMaxTotalSize * 2) {
             ALOGE("cache file is too large: %#" PRIx64,
diff --git a/opengl/tests/EGLTest/EGL_test.cpp b/opengl/tests/EGLTest/EGL_test.cpp
index cca91c3..a98263d 100644
--- a/opengl/tests/EGLTest/EGL_test.cpp
+++ b/opengl/tests/EGLTest/EGL_test.cpp
@@ -139,7 +139,7 @@
     };
     EXPECT_TRUE(eglChooseConfig(mEglDisplay, attrs, &config, 1, &numConfigs));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -149,7 +149,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -259,7 +259,7 @@
     EXPECT_EQ(components[2], 8);
     EXPECT_EQ(components[3], 8);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -269,7 +269,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
     EGLint winAttrs[] = {
@@ -307,7 +307,7 @@
 
     get8BitConfig(config);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -317,7 +317,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
     EGLint winAttrs[] = {
@@ -399,7 +399,7 @@
     EXPECT_EQ(components[2], 10);
     EXPECT_EQ(components[3], 2);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -409,7 +409,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
     EGLint winAttrs[] = {
@@ -571,7 +571,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -581,7 +581,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -623,7 +623,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -633,7 +633,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
     std::vector<EGLint> winAttrs;
@@ -706,7 +706,7 @@
     EXPECT_GE(components[2], 16);
     EXPECT_GE(components[3], 16);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -715,7 +715,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -735,7 +735,7 @@
 
     ASSERT_TRUE(hasEglExtension(mEglDisplay, "EGL_KHR_no_config_context"));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -810,7 +810,7 @@
     EXPECT_EQ(components[2], 10);
     EXPECT_EQ(components[3], 2);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -820,7 +820,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -836,7 +836,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -846,7 +846,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -883,7 +883,7 @@
     ASSERT_EQ(EGL_UNSIGNED_TRUE, success);
     ASSERT_EQ(1, numConfigs);
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -893,7 +893,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -914,7 +914,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -924,7 +924,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
@@ -954,7 +954,7 @@
 
     ASSERT_NO_FATAL_FAILURE(get8BitConfig(config));
 
-    struct DummyConsumer : public BnConsumerListener {
+    struct MockConsumer : public BnConsumerListener {
         void onFrameAvailable(const BufferItem& /* item */) override {}
         void onBuffersReleased() override {}
         void onSidebandStreamChanged() override {}
@@ -964,7 +964,7 @@
     sp<IGraphicBufferProducer> producer;
     sp<IGraphicBufferConsumer> consumer;
     BufferQueue::createBufferQueue(&producer, &consumer);
-    consumer->consumerConnect(new DummyConsumer, false);
+    consumer->consumerConnect(new MockConsumer, false);
     sp<Surface> mSTC = new Surface(producer);
     sp<ANativeWindow> mANW = mSTC;
 
diff --git a/opengl/tools/glgen/gen b/opengl/tools/glgen/gen
index 9efd38f..7fd9c3a 100755
--- a/opengl/tools/glgen/gen
+++ b/opengl/tools/glgen/gen
@@ -17,7 +17,7 @@
 
 mkdir out
 
-# Create dummy Java files for Android APIs that are used by the code we generate.
+# Create stub Java files for Android APIs that are used by the code we generate.
 # This allows us to test the generated code without building the rest of Android.
 
 mkdir -p out/javax/microedition/khronos/opengles