Merge "Track ashmem memory usage in Parcel" into mnc-dr-dev (655c12ed) · Commits · e / os / android_frameworks_base

core/java/android/os/Parcel.java

+32 −10

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package android.os;

		import android.annotation.IntegerRes;
		import android.text.TextUtils;
		import android.util.ArrayMap;
		import android.util.Log;
		@@ -42,6 +43,8 @@ import java.util.List;
		import java.util.Map;
		import java.util.Set;

		import dalvik.system.VMRuntime;

		/**
		* Container for a message (data and object references) that can
		* be sent through an IBinder. A Parcel can contain both flattened data
		@@ -193,6 +196,7 @@ public final class Parcel {
		* indicating that we're responsible for its lifecycle.
		*/
		private boolean mOwnsNativeParcelObject;
		private long mNativeSize;

		private RuntimeException mStack;

		@@ -244,7 +248,7 @@ public final class Parcel {
		private static native int nativeDataAvail(long nativePtr);
		private static native int nativeDataPosition(long nativePtr);
		private static native int nativeDataCapacity(long nativePtr);
		private static native void nativeSetDataSize(long nativePtr, int size);
		private static native long nativeSetDataSize(long nativePtr, int size);
		private static native void nativeSetDataPosition(long nativePtr, int pos);
		private static native void nativeSetDataCapacity(long nativePtr, int size);

		@@ -259,7 +263,7 @@ public final class Parcel {
		private static native void nativeWriteDouble(long nativePtr, double val);
		private static native void nativeWriteString(long nativePtr, String val);
		private static native void nativeWriteStrongBinder(long nativePtr, IBinder val);
		private static native void nativeWriteFileDescriptor(long nativePtr, FileDescriptor val);
		private static native long nativeWriteFileDescriptor(long nativePtr, FileDescriptor val);

		private static native byte[] nativeCreateByteArray(long nativePtr);
		private static native byte[] nativeReadBlob(long nativePtr);
		@@ -272,13 +276,13 @@ public final class Parcel {
		private static native FileDescriptor nativeReadFileDescriptor(long nativePtr);

		private static native long nativeCreate();
		private static native void nativeFreeBuffer(long nativePtr);
		private static native long nativeFreeBuffer(long nativePtr);
		private static native void nativeDestroy(long nativePtr);

		private static native byte[] nativeMarshall(long nativePtr);
		private static native void nativeUnmarshall(
		private static native long nativeUnmarshall(
		long nativePtr, byte[] data, int offset, int length);
		private static native void nativeAppendFrom(
		private static native long nativeAppendFrom(
		long thisNativePtr, long otherNativePtr, int offset, int length);
		private static native boolean nativeHasFileDescriptors(long nativePtr);
		private static native void nativeWriteInterfaceToken(long nativePtr, String interfaceName);
		@@ -390,7 +394,7 @@ public final class Parcel {
		* @param size The new number of bytes in the Parcel.
		*/
		public final void setDataSize(int size) {
		nativeSetDataSize(mNativePtr, size);
		updateNativeSize(nativeSetDataSize(mNativePtr, size));
		}

		/**
		@@ -442,11 +446,11 @@ public final class Parcel {
		* Set the bytes in data to be the raw bytes of this Parcel.
		*/
		public final void unmarshall(byte[] data, int offset, int length) {
		nativeUnmarshall(mNativePtr, data, offset, length);
		updateNativeSize(nativeUnmarshall(mNativePtr, data, offset, length));
		}

		public final void appendFrom(Parcel parcel, int offset, int length) {
		nativeAppendFrom(mNativePtr, parcel.mNativePtr, offset, length);
		updateNativeSize(nativeAppendFrom(mNativePtr, parcel.mNativePtr, offset, length));
		}

		/**
		@@ -599,7 +603,24 @@ public final class Parcel {
		* if {@link Parcelable#PARCELABLE_WRITE_RETURN_VALUE} is set.</p>
		*/
		public final void writeFileDescriptor(FileDescriptor val) {
		nativeWriteFileDescriptor(mNativePtr, val);
		updateNativeSize(nativeWriteFileDescriptor(mNativePtr, val));
		}

		private void updateNativeSize(long newNativeSize) {
		if (mOwnsNativeParcelObject) {
		if (newNativeSize > Integer.MAX_VALUE) {
		newNativeSize = Integer.MAX_VALUE;
		}
		if (newNativeSize != mNativeSize) {
		int delta = (int) (newNativeSize - mNativeSize);
		if (delta > 0) {
		VMRuntime.getRuntime().registerNativeAllocation(delta);
		} else {
		VMRuntime.getRuntime().registerNativeFree(-delta);
		}
		mNativeSize = newNativeSize;
		}
		}
		}

		/**
		@@ -2545,7 +2566,7 @@ public final class Parcel {

		private void freeBuffer() {
		if (mOwnsNativeParcelObject) {
		nativeFreeBuffer(mNativePtr);
		updateNativeSize(nativeFreeBuffer(mNativePtr));
		}
		}

		@@ -2553,6 +2574,7 @@ public final class Parcel {
		if (mNativePtr != 0) {
		if (mOwnsNativeParcelObject) {
		nativeDestroy(mNativePtr);
		updateNativeSize(0);
		}
		mNativePtr = 0;
		}

core/jni/android_os_Parcel.cpp

+23 −15

Original line number	Diff line number	Diff line
		@@ -114,7 +114,7 @@ static jint android_os_Parcel_dataCapacity(JNIEnv* env, jclass clazz, jlong nati
		return parcel ? parcel->dataCapacity() : 0;
		}

		static void android_os_Parcel_setDataSize(JNIEnv* env, jclass clazz, jlong nativePtr, jint size)
		static jlong android_os_Parcel_setDataSize(JNIEnv* env, jclass clazz, jlong nativePtr, jint size)
		{
		Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
		if (parcel != NULL) {
		@@ -122,7 +122,9 @@ static void android_os_Parcel_setDataSize(JNIEnv* env, jclass clazz, jlong nativ
		if (err != NO_ERROR) {
		signalExceptionForError(env, clazz, err);
		}
		return parcel->getOpenAshmemSize();
		}
		return 0;
		}

		static void android_os_Parcel_setDataPosition(JNIEnv* env, jclass clazz, jlong nativePtr, jint pos)
		@@ -304,7 +306,7 @@ static void android_os_Parcel_writeStrongBinder(JNIEnv* env, jclass clazz, jlong
		}
		}

		static void android_os_Parcel_writeFileDescriptor(JNIEnv* env, jclass clazz, jlong nativePtr, jobject object)
		static jlong android_os_Parcel_writeFileDescriptor(JNIEnv* env, jclass clazz, jlong nativePtr, jobject object)
		{
		Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
		if (parcel != NULL) {
		@@ -313,7 +315,9 @@ static void android_os_Parcel_writeFileDescriptor(JNIEnv* env, jclass clazz, jlo
		if (err != NO_ERROR) {
		signalExceptionForError(env, clazz, err);
		}
		return parcel->getOpenAshmemSize();
		}
		return 0;
		}

		static jbyteArray android_os_Parcel_createByteArray(JNIEnv* env, jclass clazz, jlong nativePtr)
		@@ -550,12 +554,14 @@ static jlong android_os_Parcel_create(JNIEnv* env, jclass clazz)
		return reinterpret_cast<jlong>(parcel);
		}

		static void android_os_Parcel_freeBuffer(JNIEnv* env, jclass clazz, jlong nativePtr)
		static jlong android_os_Parcel_freeBuffer(JNIEnv* env, jclass clazz, jlong nativePtr)
		{
		Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
		if (parcel != NULL) {
		parcel->freeData();
		return parcel->getOpenAshmemSize();
		}
		return 0;
		}

		static void android_os_Parcel_destroy(JNIEnv* env, jclass clazz, jlong nativePtr)
		@@ -593,12 +599,12 @@ static jbyteArray android_os_Parcel_marshall(JNIEnv* env, jclass clazz, jlong na
		return ret;
		}

		static void android_os_Parcel_unmarshall(JNIEnv* env, jclass clazz, jlong nativePtr,
		static jlong android_os_Parcel_unmarshall(JNIEnv* env, jclass clazz, jlong nativePtr,
		jbyteArray data, jint offset, jint length)
		{
		Parcel* parcel = reinterpret_cast<Parcel*>(nativePtr);
		if (parcel == NULL \|\| length < 0) {
		return;
		return 0;
		}

		jbyte* array = (jbyte*)env->GetPrimitiveArrayCritical(data, 0);
		@@ -612,24 +618,26 @@ static void android_os_Parcel_unmarshall(JNIEnv* env, jclass clazz, jlong native

		env->ReleasePrimitiveArrayCritical(data, array, 0);
		}
		return parcel->getOpenAshmemSize();
		}

		static void android_os_Parcel_appendFrom(JNIEnv* env, jclass clazz, jlong thisNativePtr,
		static jlong android_os_Parcel_appendFrom(JNIEnv* env, jclass clazz, jlong thisNativePtr,
		jlong otherNativePtr, jint offset, jint length)
		{
		Parcel* thisParcel = reinterpret_cast<Parcel*>(thisNativePtr);
		if (thisParcel == NULL) {
		return;
		return 0;
		}
		Parcel* otherParcel = reinterpret_cast<Parcel*>(otherNativePtr);
		if (otherParcel == NULL) {
		return;
		return thisParcel->getOpenAshmemSize();
		}

		status_t err = thisParcel->appendFrom(otherParcel, offset, length);
		if (err != NO_ERROR) {
		signalExceptionForError(env, clazz, err);
		}
		return thisParcel->getOpenAshmemSize();
		}

		static jboolean android_os_Parcel_hasFileDescriptors(JNIEnv* env, jclass clazz, jlong nativePtr)
		@@ -722,7 +730,7 @@ static const JNINativeMethod gParcelMethods[] = {
		{"nativeDataAvail", "(J)I", (void*)android_os_Parcel_dataAvail},
		{"nativeDataPosition", "(J)I", (void*)android_os_Parcel_dataPosition},
		{"nativeDataCapacity", "(J)I", (void*)android_os_Parcel_dataCapacity},
		{"nativeSetDataSize", "(JI)V", (void*)android_os_Parcel_setDataSize},
		{"nativeSetDataSize", "(JI)J", (void*)android_os_Parcel_setDataSize},
		{"nativeSetDataPosition", "(JI)V", (void*)android_os_Parcel_setDataPosition},
		{"nativeSetDataCapacity", "(JI)V", (void*)android_os_Parcel_setDataCapacity},

		@@ -737,7 +745,7 @@ static const JNINativeMethod gParcelMethods[] = {
		{"nativeWriteDouble", "(JD)V", (void*)android_os_Parcel_writeDouble},
		{"nativeWriteString", "(JLjava/lang/String;)V", (void*)android_os_Parcel_writeString},
		{"nativeWriteStrongBinder", "(JLandroid/os/IBinder;)V", (void*)android_os_Parcel_writeStrongBinder},
		{"nativeWriteFileDescriptor", "(JLjava/io/FileDescriptor;)V", (void*)android_os_Parcel_writeFileDescriptor},
		{"nativeWriteFileDescriptor", "(JLjava/io/FileDescriptor;)J", (void*)android_os_Parcel_writeFileDescriptor},

		{"nativeCreateByteArray", "(J)[B", (void*)android_os_Parcel_createByteArray},
		{"nativeReadBlob", "(J)[B", (void*)android_os_Parcel_readBlob},
		@@ -755,12 +763,12 @@ static const JNINativeMethod gParcelMethods[] = {
		{"clearFileDescriptor", "(Ljava/io/FileDescriptor;)V", (void*)android_os_Parcel_clearFileDescriptor},

		{"nativeCreate", "()J", (void*)android_os_Parcel_create},
		{"nativeFreeBuffer", "(J)V", (void*)android_os_Parcel_freeBuffer},
		{"nativeFreeBuffer", "(J)J", (void*)android_os_Parcel_freeBuffer},
		{"nativeDestroy", "(J)V", (void*)android_os_Parcel_destroy},

		{"nativeMarshall", "(J)[B", (void*)android_os_Parcel_marshall},
		{"nativeUnmarshall", "(J[BII)V", (void*)android_os_Parcel_unmarshall},
		{"nativeAppendFrom", "(JJII)V", (void*)android_os_Parcel_appendFrom},
		{"nativeUnmarshall", "(J[BII)J", (void*)android_os_Parcel_unmarshall},
		{"nativeAppendFrom", "(JJII)J", (void*)android_os_Parcel_appendFrom},
		{"nativeHasFileDescriptors", "(J)Z", (void*)android_os_Parcel_hasFileDescriptors},
		{"nativeWriteInterfaceToken", "(JLjava/lang/String;)V", (void*)android_os_Parcel_writeInterfaceToken},
		{"nativeEnforceInterface", "(JLjava/lang/String;)V", (void*)android_os_Parcel_enforceInterface},