am 685a0a72: am bbd87eb9: Merge "Track libcore.os\' move to android.system."

* commit '685a0a72d445515167a2071330679cdf9b53a62d':
  Track libcore.os' move to android.system.

15 files changed, 85 insertions, 89 deletions

diff --git a/core/java/android/app/SharedPreferencesImpl.java b/core/java/android/app/SharedPreferencesImpl.java
index a292ecb..a8896c2 100644
--- a/core/java/android/app/SharedPreferencesImpl.java
+++ b/core/java/android/app/SharedPreferencesImpl.java
@@ -19,6 +19,9 @@ package android.app;
 import android.content.SharedPreferences;
 import android.os.FileUtils;
 import android.os.Looper;
+import android.system.ErrnoException;
+import android.system.Os;
+import android.system.StructStat;
 import android.util.Log;
 
 import com.google.android.collect.Maps;
@@ -44,10 +47,7 @@ import java.util.WeakHashMap;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutorService;
 
-import libcore.io.ErrnoException;
 import libcore.io.IoUtils;
-import libcore.io.Libcore;
-import libcore.io.StructStat;
 
 final class SharedPreferencesImpl implements SharedPreferences {
     private static final String TAG = "SharedPreferencesImpl";
@@ -111,7 +111,7 @@ final class SharedPreferencesImpl implements SharedPreferences {
         Map map = null;
         StructStat stat = null;
         try {
-            stat = Libcore.os.stat(mFile.getPath());
+            stat = Os.stat(mFile.getPath());
             if (mFile.canRead()) {
                 BufferedInputStream str = null;
                 try {
@@ -173,7 +173,7 @@ final class SharedPreferencesImpl implements SharedPreferences {
              * violation, but we explicitly want this one.
              */
             BlockGuard.getThreadPolicy().onReadFromDisk();
-            stat = Libcore.os.stat(mFile.getPath());
+            stat = Os.stat(mFile.getPath());
         } catch (ErrnoException e) {
             return true;
         }
@@ -600,7 +600,7 @@ final class SharedPreferencesImpl implements SharedPreferences {
             str.close();
             ContextImpl.setFilePermissionsFromMode(mFile.getPath(), mMode, 0);
             try {
-                final StructStat stat = Libcore.os.stat(mFile.getPath());
+                final StructStat stat = Os.stat(mFile.getPath());
                 synchronized (this) {
                     mStatTimestamp = stat.st_mtime;
                     mStatSize = stat.st_size;
diff --git a/core/java/android/app/backup/BackupAgent.java b/core/java/android/app/backup/BackupAgent.java
index 67c772b..70a3797 100644
--- a/core/java/android/app/backup/BackupAgent.java
+++ b/core/java/android/app/backup/BackupAgent.java
@@ -29,6 +29,10 @@ import android.os.Looper;
 import android.os.ParcelFileDescriptor;
 import android.os.Process;
 import android.os.RemoteException;
+import android.system.ErrnoException;
+import android.system.Os;
+import android.system.OsConstants;
+import android.system.StructStat;
 import android.util.Log;
 
 import java.io.File;
@@ -38,11 +42,6 @@ import java.util.HashSet;
 import java.util.LinkedList;
 import java.util.concurrent.CountDownLatch;
 
-import libcore.io.ErrnoException;
-import libcore.io.Libcore;
-import libcore.io.OsConstants;
-import libcore.io.StructStat;
-
 /**
  * Provides the central interface between an
  * application and Android's data backup infrastructure.  An application that wishes
@@ -191,7 +190,7 @@ public abstract class BackupAgent extends ContextWrapper {
      * the key supplied as part of the entity.  Writing an entity with a negative
      * data size instructs the transport to delete whatever entity currently exists
      * under that key from the remote data set.
-     * 
+     *
      * @param oldState An open, read-only ParcelFileDescriptor pointing to the
      *            last backup state provided by the application. May be
      *            <code>null</code>, in which case no prior state is being
@@ -222,7 +221,7 @@ public abstract class BackupAgent extends ContextWrapper {
      * onRestore() throws an exception, the OS will assume that the
      * application's data may now be in an incoherent state, and will clear it
      * before proceeding.
-     * 
+     *
      * @param data A structured wrapper around an open, read-only
      *            file descriptor pointing to a full snapshot of the
      *            application's data.  The application should consume every
@@ -412,7 +411,7 @@ public abstract class BackupAgent extends ContextWrapper {
                     }
 
                     // If it's a directory, enqueue its contents for scanning.
-                    StructStat stat = Libcore.os.lstat(filePath);
+                    StructStat stat = Os.lstat(filePath);
                     if (OsConstants.S_ISLNK(stat.st_mode)) {
                         if (DEBUG) Log.i(TAG, "Symlink (skipping)!: " + file);
                         continue;
diff --git a/core/java/android/app/backup/FullBackup.java b/core/java/android/app/backup/FullBackup.java
index cb0737e..477285d 100644
--- a/core/java/android/app/backup/FullBackup.java
+++ b/core/java/android/app/backup/FullBackup.java
@@ -20,6 +20,8 @@ import android.content.Context;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.os.ParcelFileDescriptor;
+import android.system.ErrnoException;
+import android.system.Os;
 import android.util.Log;
 
 import java.io.File;
@@ -27,9 +29,6 @@ import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 
-import libcore.io.ErrnoException;
-import libcore.io.Libcore;
-
 /**
  * Global constant definitions et cetera related to the full-backup-to-fd
  * binary format.  Nothing in this namespace is part of any API; it's all
@@ -150,7 +149,7 @@ public class FullBackup {
             try {
                 // explicitly prevent emplacement of files accessible by outside apps
                 mode &= 0700;
-                Libcore.os.chmod(outFile.getPath(), (int)mode);
+                Os.chmod(outFile.getPath(), (int)mode);
             } catch (ErrnoException e) {
                 e.rethrowAsIOException();
             }
diff --git a/core/java/android/net/LinkAddress.java b/core/java/android/net/LinkAddress.java
index 22543e3..a725bec 100644
--- a/core/java/android/net/LinkAddress.java
+++ b/core/java/android/net/LinkAddress.java
@@ -24,13 +24,13 @@ import java.net.InetAddress;
 import java.net.InterfaceAddress;
 import java.net.UnknownHostException;
 
-import static libcore.io.OsConstants.IFA_F_DADFAILED;
-import static libcore.io.OsConstants.IFA_F_DEPRECATED;
-import static libcore.io.OsConstants.IFA_F_TENTATIVE;
-import static libcore.io.OsConstants.RT_SCOPE_HOST;
-import static libcore.io.OsConstants.RT_SCOPE_LINK;
-import static libcore.io.OsConstants.RT_SCOPE_SITE;
-import static libcore.io.OsConstants.RT_SCOPE_UNIVERSE;
+import static android.system.OsConstants.IFA_F_DADFAILED;
+import static android.system.OsConstants.IFA_F_DEPRECATED;
+import static android.system.OsConstants.IFA_F_TENTATIVE;
+import static android.system.OsConstants.RT_SCOPE_HOST;
+import static android.system.OsConstants.RT_SCOPE_LINK;
+import static android.system.OsConstants.RT_SCOPE_SITE;
+import static android.system.OsConstants.RT_SCOPE_UNIVERSE;
 
 /**
  * Identifies an IP address on a network link.
diff --git a/core/java/android/net/LocalSocketImpl.java b/core/java/android/net/LocalSocketImpl.java
index 119e533..643e8c2 100644
--- a/core/java/android/net/LocalSocketImpl.java
+++ b/core/java/android/net/LocalSocketImpl.java
@@ -22,9 +22,9 @@ import java.io.InputStream;
 import java.io.FileDescriptor;
 import java.net.SocketOptions;
 
-import libcore.io.ErrnoException;
-import libcore.io.Libcore;
-import libcore.io.OsConstants;
+import android.system.ErrnoException;
+import android.system.Os;
+import android.system.OsConstants;
 
 /**
  * Socket implementation used for android.net.LocalSocket and
@@ -248,7 +248,7 @@ class LocalSocketImpl
                     throw new IllegalStateException("unknown sockType");
             }
             try {
-                fd = Libcore.os.socket(OsConstants.AF_UNIX, osType, 0);
+                fd = Os.socket(OsConstants.AF_UNIX, osType, 0);
                 mFdCreatedInternally = true;
             } catch (ErrnoException e) {
                 e.rethrowAsIOException();
@@ -268,7 +268,7 @@ class LocalSocketImpl
                 return;
             }
             try {
-                Libcore.os.close(fd);
+                Os.close(fd);
             } catch (ErrnoException e) {
                 e.rethrowAsIOException();
             }
diff --git a/core/java/android/os/CommonClock.java b/core/java/android/os/CommonClock.java
index 3a1da97..7f41c5d 100644
--- a/core/java/android/os/CommonClock.java
+++ b/core/java/android/os/CommonClock.java
@@ -20,7 +20,6 @@ import java.net.Inet4Address;
 import java.net.Inet6Address;
 import java.net.InetSocketAddress;
 import java.util.NoSuchElementException;
-import static libcore.io.OsConstants.*;
 
 import android.content.ComponentName;
 import android.content.Context;
@@ -32,6 +31,7 @@ import android.os.IBinder;
 import android.os.Parcel;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import static android.system.OsConstants.*;
 
 /**
  * Used for accessing the android common time service's common clock and receiving notifications
diff --git a/core/java/android/os/CommonTimeUtils.java b/core/java/android/os/CommonTimeUtils.java
index 20755d9..ba060b8 100644
--- a/core/java/android/os/CommonTimeUtils.java
+++ b/core/java/android/os/CommonTimeUtils.java
@@ -20,7 +20,7 @@ import java.net.Inet4Address;
 import java.net.Inet6Address;
 import java.net.InetSocketAddress;
 import java.util.Locale;
-import static libcore.io.OsConstants.*;
+import static android.system.OsConstants.*;
 
 class CommonTimeUtils {
     /**
diff --git a/core/java/android/os/FileUtils.java b/core/java/android/os/FileUtils.java
index ff3e277..411783d 100644
--- a/core/java/android/os/FileUtils.java
+++ b/core/java/android/os/FileUtils.java
@@ -16,13 +16,13 @@
 
 package android.os;
 
+import android.system.ErrnoException;
+import android.system.Os;
+import android.system.OsConstants;
 import android.util.Log;
 import android.util.Slog;
 
-import libcore.io.ErrnoException;
 import libcore.io.IoUtils;
-import libcore.io.Libcore;
-import libcore.io.OsConstants;
 
 import java.io.BufferedInputStream;
 import java.io.ByteArrayOutputStream;
@@ -87,7 +87,7 @@ public class FileUtils {
      */
     public static int setPermissions(String path, int mode, int uid, int gid) {
         try {
-            Libcore.os.chmod(path, mode);
+            Os.chmod(path, mode);
         } catch (ErrnoException e) {
             Slog.w(TAG, "Failed to chmod(" + path + "): " + e);
             return e.errno;
@@ -95,7 +95,7 @@ public class FileUtils {
 
         if (uid >= 0 || gid >= 0) {
             try {
-                Libcore.os.chown(path, uid, gid);
+                Os.chown(path, uid, gid);
             } catch (ErrnoException e) {
                 Slog.w(TAG, "Failed to chown(" + path + "): " + e);
                 return e.errno;
@@ -115,7 +115,7 @@ public class FileUtils {
      */
     public static int setPermissions(FileDescriptor fd, int mode, int uid, int gid) {
         try {
-            Libcore.os.fchmod(fd, mode);
+            Os.fchmod(fd, mode);
         } catch (ErrnoException e) {
             Slog.w(TAG, "Failed to fchmod(): " + e);
             return e.errno;
@@ -123,7 +123,7 @@ public class FileUtils {
 
         if (uid >= 0 || gid >= 0) {
             try {
-                Libcore.os.fchown(fd, uid, gid);
+                Os.fchown(fd, uid, gid);
             } catch (ErrnoException e) {
                 Slog.w(TAG, "Failed to fchown(): " + e);
                 return e.errno;
@@ -138,7 +138,7 @@ public class FileUtils {
      */
     public static int getUid(String path) {
         try {
-            return Libcore.os.stat(path).st_uid;
+            return Os.stat(path).st_uid;
         } catch (ErrnoException e) {
             return -1;
         }
diff --git a/core/java/android/os/ParcelFileDescriptor.java b/core/java/android/os/ParcelFileDescriptor.java
index 2216bd1..59795da 100644
--- a/core/java/android/os/ParcelFileDescriptor.java
+++ b/core/java/android/os/ParcelFileDescriptor.java
@@ -16,24 +16,24 @@
 
 package android.os;
 
-import static libcore.io.OsConstants.AF_UNIX;
-import static libcore.io.OsConstants.SEEK_SET;
-import static libcore.io.OsConstants.SOCK_STREAM;
-import static libcore.io.OsConstants.S_ISLNK;
-import static libcore.io.OsConstants.S_ISREG;
+import static android.system.OsConstants.AF_UNIX;
+import static android.system.OsConstants.SEEK_SET;
+import static android.system.OsConstants.SOCK_STREAM;
+import static android.system.OsConstants.S_ISLNK;
+import static android.system.OsConstants.S_ISREG;
 
 import android.content.BroadcastReceiver;
 import android.content.ContentProvider;
+import android.system.ErrnoException;
+import android.system.Os;
+import android.system.OsConstants;
+import android.system.StructStat;
 import android.util.Log;
 
 import dalvik.system.CloseGuard;
 
-import libcore.io.ErrnoException;
 import libcore.io.IoUtils;
-import libcore.io.Libcore;
 import libcore.io.Memory;
-import libcore.io.OsConstants;
-import libcore.io.StructStat;
 
 import java.io.Closeable;
 import java.io.File;
@@ -261,7 +261,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
      */
     public static ParcelFileDescriptor dup(FileDescriptor orig) throws IOException {
         try {
-            final FileDescriptor fd = Libcore.os.dup(orig);
+            final FileDescriptor fd = Os.dup(orig);
             return new ParcelFileDescriptor(fd);
         } catch (ErrnoException e) {
             throw e.rethrowAsIOException();
@@ -297,7 +297,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
         original.setInt$(fd);
 
         try {
-            final FileDescriptor dup = Libcore.os.dup(original);
+            final FileDescriptor dup = Os.dup(original);
             return new ParcelFileDescriptor(dup);
         } catch (ErrnoException e) {
             throw e.rethrowAsIOException();
@@ -359,7 +359,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
      */
     public static ParcelFileDescriptor[] createPipe() throws IOException {
         try {
-            final FileDescriptor[] fds = Libcore.os.pipe();
+            final FileDescriptor[] fds = Os.pipe();
             return new ParcelFileDescriptor[] {
                     new ParcelFileDescriptor(fds[0]),
                     new ParcelFileDescriptor(fds[1]) };
@@ -381,7 +381,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
     public static ParcelFileDescriptor[] createReliablePipe() throws IOException {
         try {
             final FileDescriptor[] comm = createCommSocketPair();
-            final FileDescriptor[] fds = Libcore.os.pipe();
+            final FileDescriptor[] fds = Os.pipe();
             return new ParcelFileDescriptor[] {
                     new ParcelFileDescriptor(fds[0], comm[0]),
                     new ParcelFileDescriptor(fds[1], comm[1]) };
@@ -398,7 +398,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
         try {
             final FileDescriptor fd0 = new FileDescriptor();
             final FileDescriptor fd1 = new FileDescriptor();
-            Libcore.os.socketpair(AF_UNIX, SOCK_STREAM, 0, fd0, fd1);
+            Os.socketpair(AF_UNIX, SOCK_STREAM, 0, fd0, fd1);
             return new ParcelFileDescriptor[] {
                     new ParcelFileDescriptor(fd0),
                     new ParcelFileDescriptor(fd1) };
@@ -421,7 +421,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
             final FileDescriptor[] comm = createCommSocketPair();
             final FileDescriptor fd0 = new FileDescriptor();
             final FileDescriptor fd1 = new FileDescriptor();
-            Libcore.os.socketpair(AF_UNIX, SOCK_STREAM, 0, fd0, fd1);
+            Os.socketpair(AF_UNIX, SOCK_STREAM, 0, fd0, fd1);
             return new ParcelFileDescriptor[] {
                     new ParcelFileDescriptor(fd0, comm[0]),
                     new ParcelFileDescriptor(fd1, comm[1]) };
@@ -434,7 +434,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
         try {
             final FileDescriptor comm1 = new FileDescriptor();
             final FileDescriptor comm2 = new FileDescriptor();
-            Libcore.os.socketpair(AF_UNIX, SOCK_STREAM, 0, comm1, comm2);
+            Os.socketpair(AF_UNIX, SOCK_STREAM, 0, comm1, comm2);
             IoUtils.setBlocking(comm1, false);
             IoUtils.setBlocking(comm2, false);
             return new FileDescriptor[] { comm1, comm2 };
@@ -520,7 +520,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
             return mWrapped.getStatSize();
         } else {
             try {
-                final StructStat st = Libcore.os.fstat(mFd);
+                final StructStat st = Os.fstat(mFd);
                 if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) {
                     return st.st_size;
                 } else {
@@ -543,7 +543,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
             return mWrapped.seekTo(pos);
         } else {
             try {
-                return Libcore.os.lseek(mFd, pos, SEEK_SET);
+                return Os.lseek(mFd, pos, SEEK_SET);
             } catch (ErrnoException e) {
                 throw e.rethrowAsIOException();
             }
@@ -695,7 +695,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
                     writePtr += len;
                 }
 
-                Libcore.os.write(mCommFd, buf, 0, writePtr);
+                Os.write(mCommFd, buf, 0, writePtr);
             } catch (ErrnoException e) {
                 // Reporting status is best-effort
                 Log.w(TAG, "Failed to report status: " + e);
@@ -712,7 +712,7 @@ public class ParcelFileDescriptor implements Parcelable, Closeable {
 
     private static Status readCommStatus(FileDescriptor comm, byte[] buf) {
         try {
-            final int n = Libcore.os.read(comm, buf, 0, buf.length);
+            final int n = Os.read(comm, buf, 0, buf.length);
             if (n == 0) {
                 // EOF means they're dead
                 return new Status(Status.DEAD);
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 995e396..b4ed68c 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -18,6 +18,7 @@ package android.os;
 
 import android.net.LocalSocket;
 import android.net.LocalSocketAddress;
+import android.system.Os;
 import android.util.Log;
 import com.android.internal.os.Zygote;
 import java.io.BufferedWriter;
@@ -28,7 +29,6 @@ import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import libcore.io.Libcore;
 
 /*package*/ class ZygoteStartFailedEx extends Exception {
     /**
@@ -741,7 +741,7 @@ public class Process {
      * {@link #killProcess} and {@link #sendSignal}.
      */
     public static final int myPid() {
-        return Libcore.os.getpid();
+        return Os.getpid();
     }
 
     /**
@@ -749,7 +749,7 @@ public class Process {
      * @hide
      */
     public static final int myPpid() {
-        return Libcore.os.getppid();
+        return Os.getppid();
     }
 
     /**
@@ -757,7 +757,7 @@ public class Process {
      * {@link #setThreadPriority(int, int)}.
      */
     public static final int myTid() {
-        return Libcore.os.gettid();
+        return Os.gettid();
     }
 
     /**
@@ -767,7 +767,7 @@ public class Process {
      * a uid identifies a specific app sandbox in a specific user.
      */
     public static final int myUid() {
-        return Libcore.os.getuid();
+        return Os.getuid();
     }
 
     /**
diff --git a/core/java/android/os/StatFs.java b/core/java/android/os/StatFs.java
index 9e9521a..13e9a15 100644
--- a/core/java/android/os/StatFs.java
+++ b/core/java/android/os/StatFs.java
@@ -16,9 +16,9 @@
 
 package android.os;
 
-import libcore.io.ErrnoException;
-import libcore.io.Libcore;
-import libcore.io.StructStatVfs;
+import android.system.ErrnoException;
+import android.system.Os;
+import android.system.StructStatVfs;
 
 /**
  * Retrieve overall information about the space on a filesystem. This is a
@@ -41,7 +41,7 @@ public class StatFs {
 
     private static StructStatVfs doStat(String path) {
         try {
-            return Libcore.os.statvfs(path);
+            return Os.statvfs(path);
         } catch (ErrnoException e) {
             throw new IllegalArgumentException("Invalid path: " + path, e);
         }
diff --git a/core/java/android/provider/DocumentsContract.java b/core/java/android/provider/DocumentsContract.java
index f0520b5..6519f7e 100644
--- a/core/java/android/provider/DocumentsContract.java
+++ b/core/java/android/provider/DocumentsContract.java
@@ -17,7 +17,7 @@
 package android.provider;
 
 import static android.net.TrafficStats.KB_IN_BYTES;
-import static libcore.io.OsConstants.SEEK_SET;
+import static android.system.OsConstants.SEEK_SET;
 
 import android.content.ContentProviderClient;
 import android.content.ContentResolver;
@@ -38,11 +38,11 @@ import android.os.OperationCanceledException;
 import android.os.ParcelFileDescriptor;
 import android.os.ParcelFileDescriptor.OnCloseListener;
 import android.os.RemoteException;
+import android.system.ErrnoException;
+import android.system.Os;
 import android.util.Log;
 
-import libcore.io.ErrnoException;
 import libcore.io.IoUtils;
-import libcore.io.Libcore;
 
 import java.io.BufferedInputStream;
 import java.io.File;
@@ -697,7 +697,7 @@ public final class DocumentsContract {
             // optimal decode path; otherwise fall back to buffering.
             BufferedInputStream is = null;
             try {
-                Libcore.os.lseek(fd, offset, SEEK_SET);
+                Os.lseek(fd, offset, SEEK_SET);
             } catch (ErrnoException e) {
                 is = new BufferedInputStream(new FileInputStream(fd), THUMBNAIL_BUFFER_SIZE);
                 is.mark(THUMBNAIL_BUFFER_SIZE);
@@ -723,7 +723,7 @@ public final class DocumentsContract {
                 bitmap = BitmapFactory.decodeStream(is, null, opts);
             } else {
                 try {
-                    Libcore.os.lseek(fd, offset, SEEK_SET);
+                    Os.lseek(fd, offset, SEEK_SET);
                 } catch (ErrnoException e) {
                     e.rethrowAsIOException();
                 }
diff --git a/core/tests/coretests/src/android/content/pm/PackageManagerTests.java b/core/tests/coretests/src/android/content/pm/PackageManagerTests.java
index 04f8009..b79bed0 100644
--- a/core/tests/coretests/src/android/content/pm/PackageManagerTests.java
+++ b/core/tests/coretests/src/android/content/pm/PackageManagerTests.java
@@ -16,7 +16,7 @@
 
 package android.content.pm;
 
-import static libcore.io.OsConstants.*;
+import static android.system.OsConstants.*;
 
 import com.android.frameworks.coretests.R;
 import com.android.internal.content.PackageHelper;
@@ -46,6 +46,9 @@ import android.os.storage.StorageManager;
 import android.os.storage.StorageResultCode;
 import android.provider.Settings;
 import android.provider.Settings.SettingNotFoundException;
+import android.system.ErrnoException;
+import android.system.Os
+import android.system.StructStat;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.LargeTest;
 import android.test.suitebuilder.annotation.SmallTest;
@@ -60,10 +63,6 @@ import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
-import libcore.io.ErrnoException;
-import libcore.io.Libcore;
-import libcore.io.StructStat;
-
 public class PackageManagerTests extends AndroidTestCase {
     private static final boolean localLOGV = true;
 
@@ -501,7 +500,7 @@ public class PackageManagerTests extends AndroidTestCase {
         final StructStat stat;
 
         try {
-            stat = Libcore.os.lstat(path);
+            stat = Os.lstat(path);
         } catch (ErrnoException e) {
             throw new AssertionError(reason + "\n" + "Got: " + path + " does not exist");
         }
diff --git a/core/tests/coretests/src/android/net/LinkAddressTest.java b/core/tests/coretests/src/android/net/LinkAddressTest.java
index 17423be..bccf556 100644
--- a/core/tests/coretests/src/android/net/LinkAddressTest.java
+++ b/core/tests/coretests/src/android/net/LinkAddressTest.java
@@ -32,13 +32,13 @@ import android.os.Parcel;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
 
-import static libcore.io.OsConstants.IFA_F_DEPRECATED;
-import static libcore.io.OsConstants.IFA_F_PERMANENT;
-import static libcore.io.OsConstants.IFA_F_TENTATIVE;
-import static libcore.io.OsConstants.RT_SCOPE_HOST;
-import static libcore.io.OsConstants.RT_SCOPE_LINK;
-import static libcore.io.OsConstants.RT_SCOPE_SITE;
-import static libcore.io.OsConstants.RT_SCOPE_UNIVERSE;
+import static android.system.OsConstants.IFA_F_DEPRECATED;
+import static android.system.OsConstants.IFA_F_PERMANENT;
+import static android.system.OsConstants.IFA_F_TENTATIVE;
+import static android.system.OsConstants.RT_SCOPE_HOST;
+import static android.system.OsConstants.RT_SCOPE_LINK;
+import static android.system.OsConstants.RT_SCOPE_SITE;
+import static android.system.OsConstants.RT_SCOPE_UNIVERSE;
 
 /**
  * Tests for {@link LinkAddress}.
diff --git a/core/tests/coretests/src/android/net/LinkPropertiesTest.java b/core/tests/coretests/src/android/net/LinkPropertiesTest.java
index a602e07..553afe0 100644
--- a/core/tests/coretests/src/android/net/LinkPropertiesTest.java
+++ b/core/tests/coretests/src/android/net/LinkPropertiesTest.java
@@ -18,14 +18,13 @@ package android.net;
 
 import android.net.LinkProperties;
 import android.net.RouteInfo;
+import android.system.OsConstants;
 import android.test.suitebuilder.annotation.SmallTest;
 import junit.framework.TestCase;
 
 import java.net.InetAddress;
 import java.util.ArrayList;
 
-import libcore.io.OsConstants;
-
 public class LinkPropertiesTest extends TestCase {
     private static InetAddress ADDRV4 = NetworkUtils.numericToInetAddress("75.208.6.1");
     private static InetAddress ADDRV6 = NetworkUtils.numericToInetAddress(