Merge "resolved conflicts for merge of 070a19e0 to master" (37cd5777) · Commits · e / os / android_frameworks_base

api/current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -13924,12 +13924,14 @@ package android.os {

		public class ParcelFileDescriptor implements android.os.Parcelable {
		ctor public ParcelFileDescriptor(android.os.ParcelFileDescriptor);
		method public static android.os.ParcelFileDescriptor adoptFd(int);
		method public void close() throws java.io.IOException;
		method public static android.os.ParcelFileDescriptor[] createPipe() throws java.io.IOException;
		method public int describeContents();
		method public int detachFd();
		method public static android.os.ParcelFileDescriptor dup(java.io.FileDescriptor) throws java.io.IOException;
		method public static android.os.ParcelFileDescriptor fromDatagramSocket(java.net.DatagramSocket);
		method public static android.os.ParcelFileDescriptor fromFd(int) throws java.io.IOException;
		method public static android.os.ParcelFileDescriptor fromSocket(java.net.Socket);
		method public int getFd();
		method public java.io.FileDescriptor getFileDescriptor();

core/java/android/os/ParcelFileDescriptor.java

+46 −10

Original line number	Diff line number	Diff line
		@@ -129,7 +129,46 @@ public class ParcelFileDescriptor implements Parcelable {
		}

		/**
		* Create a new ParcelFileDescriptor from the specified Socket.
		* Create a new ParcelFileDescriptor from a raw native fd. The new
		* ParcelFileDescriptor holds a dup of the original fd passed in here,
		* so you must still close that fd as well as the new ParcelFileDescriptor.
		*
		* @param fd The native fd that the ParcelFileDescriptor should dup.
		*
		* @return Returns a new ParcelFileDescriptor holding a FileDescriptor
		* for a dup of the given fd.
		*/
		public static ParcelFileDescriptor fromFd(int fd) throws IOException {
		FileDescriptor fdesc = getFileDescriptorFromFd(fd);
		return new ParcelFileDescriptor(fdesc);
		}

		// Extracts the file descriptor from the specified socket and returns it untouched
		private static native FileDescriptor getFileDescriptorFromFd(int fd) throws IOException;

		/**
		* Take ownership of a raw native fd in to a new ParcelFileDescriptor.
		* The returned ParcelFileDescriptor now owns the given fd, and will be
		* responsible for closing it. You must not close the fd yourself.
		*
		* @param fd The native fd that the ParcelFileDescriptor should adopt.
		*
		* @return Returns a new ParcelFileDescriptor holding a FileDescriptor
		* for the given fd.
		*/
		public static ParcelFileDescriptor adoptFd(int fd) {
		FileDescriptor fdesc = getFileDescriptorFromFdNoDup(fd);
		return new ParcelFileDescriptor(fdesc);
		}

		// Extracts the file descriptor from the specified socket and returns it untouched
		private static native FileDescriptor getFileDescriptorFromFdNoDup(int fd);

		/**
		* Create a new ParcelFileDescriptor from the specified Socket. The new
		* ParcelFileDescriptor holds a dup of the original FileDescriptor in
		* the Socket, so you must still close the Socket as well as the new
		* ParcelFileDescriptor.
		*
		* @param socket The Socket whose FileDescriptor is used to create
		* a new ParcelFileDescriptor.
		@@ -163,17 +202,14 @@ public class ParcelFileDescriptor implements Parcelable {
		*/
		public static ParcelFileDescriptor[] createPipe() throws IOException {
		FileDescriptor[] fds = new FileDescriptor[2];
		int res = createPipeNative(fds);
		if (res == 0) {
		createPipeNative(fds);
		ParcelFileDescriptor[] pfds = new ParcelFileDescriptor[2];
		pfds[0] = new ParcelFileDescriptor(fds[0]);
		pfds[1] = new ParcelFileDescriptor(fds[1]);
		return pfds;
		}
		throw new IOException("Unable to create pipe: errno=" + -res);
		}

		private static native int createPipeNative(FileDescriptor[] outFds);
		private static native void createPipeNative(FileDescriptor[] outFds) throws IOException;

		/**
		* @hide Please use createPipe() or ContentProvider.openPipeHelper().

core/jni/android_os_ParcelFileDescriptor.cpp

+26 −5

Original line number	Diff line number	Diff line
		@@ -34,20 +34,37 @@ static struct parcel_file_descriptor_offsets_t
		jfieldID mFileDescriptor;
		} gParcelFileDescriptorOffsets;

		static int android_os_ParcelFileDescriptor_createPipeNative(JNIEnv* env,
		static jobject android_os_ParcelFileDescriptor_getFileDescriptorFromFd(JNIEnv* env,
		jobject clazz, jint origfd)
		{
		int fd = dup(origfd);
		if (fd < 0) {
		jniThrowException(env, "java/io/IOException", strerror(errno));
		return NULL;
		}
		return jniCreateFileDescriptor(env, fd);
		}

		static jobject android_os_ParcelFileDescriptor_getFileDescriptorFromFdNoDup(JNIEnv* env,
		jobject clazz, jint fd)
		{
		return jniCreateFileDescriptor(env, fd);
		}

		static void android_os_ParcelFileDescriptor_createPipeNative(JNIEnv* env,
		jobject clazz, jobjectArray outFds)
		{
		int fds[2];
		if (pipe(fds) < 0) {
		return -errno;
		int therr = errno;
		jniThrowException(env, "java/io/IOException", strerror(therr));
		return;
		}

		for (int i=0; i<2; i++) {
		jobject fdObj = jniCreateFileDescriptor(env, fds[i]);
		env->SetObjectArrayElement(outFds, i, fdObj);
		}

		return 0;
		}

		static jint getFd(JNIEnv* env, jobject clazz)
		@@ -102,7 +119,11 @@ static jlong android_os_ParcelFileDescriptor_getFdNative(JNIEnv* env, jobject cl
		}

		static const JNINativeMethod gParcelFileDescriptorMethods[] = {
		{"createPipeNative", "([Ljava/io/FileDescriptor;)I",
		{"getFileDescriptorFromFd", "(I)Ljava/io/FileDescriptor;",
		(void*)android_os_ParcelFileDescriptor_getFileDescriptorFromFd},
		{"getFileDescriptorFromFdNoDup", "(I)Ljava/io/FileDescriptor;",
		(void*)android_os_ParcelFileDescriptor_getFileDescriptorFromFdNoDup},
		{"createPipeNative", "([Ljava/io/FileDescriptor;)V",
		(void*)android_os_ParcelFileDescriptor_createPipeNative},
		{"getStatSize", "()J",
		(void*)android_os_ParcelFileDescriptor_getStatSize},