Merge changes I9350ec13,I809d9191,I235f727d,I1930f3ba

import dalvik.system.VMRuntime;

import libcore.io.IoUtils;

import java.io.Closeable;

import java.io.FileDescriptor;

import java.nio.ByteBuffer;

     * Cleaner that closes the FD

     */

    private static final class Closer implements Runnable {

        private int mFd;

        // This is a copy of the FileDescriptor we're attached to, in order to avoid a reference

        // cycle.

        private FileDescriptor mFd;

        private MemoryRegistration mMemoryReference;

        private Closer(int fd, MemoryRegistration memoryReference) {

            mFd = fd;

            mFd = new FileDescriptor();

            mFd.setInt$(fd);

            IoUtils.setFdOwner(mFd, this);

            mMemoryReference = memoryReference;

        }

        @Override

        public void run() {

            try {

                FileDescriptor fd = new FileDescriptor();

                fd.setInt$(mFd);

                Os.close(fd);

            } catch (ErrnoException e) { /* swallow error */ }

            IoUtils.closeQuietly(mFd);

            mFd = null;

            mMemoryReference.release();

            mMemoryReference = null;

        }

            if (!file.getFileDescriptor().valid()) {

                throw new IllegalStateException("Invalid file descriptor");

            }

            return new ParcelFileDescriptor(file.getFileDescriptor());

            return ParcelFileDescriptor.dup(file.getFileDescriptor());

        } catch (IOException ex) {

            throw new IllegalStateException("Failed to get PFD from memory file", ex);

        }