diff options
Diffstat (limited to 'core/java/android/os/Process.java')
| -rw-r--r-- | core/java/android/os/Process.java | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java index 6ab4dc1..05099fb 100644 --- a/core/java/android/os/Process.java +++ b/core/java/android/os/Process.java @@ -116,6 +116,12 @@ public class Process { public static final int NFC_UID = 1027; /** + * Defines the UID/GID for the Bluetooth service process. + * @hide + */ + public static final int BLUETOOTH_UID = 1002; + + /** * Defines the GID for the group that allows write access to the internal media storage. * @hide */ @@ -146,10 +152,24 @@ public class Process { public static final int LAST_ISOLATED_UID = 99999; /** + * First gid for applications to share resources. Used when forward-locking + * is enabled but all UserHandles need to be able to read the resources. + * @hide + */ + public static final int FIRST_SHARED_APPLICATION_GID = 50000; + + /** + * Last gid for applications to share resources. Used when forward-locking + * is enabled but all UserHandles need to be able to read the resources. + * @hide + */ + public static final int LAST_SHARED_APPLICATION_GID = 59999; + + /** * Defines a secondary group id for access to the bluetooth hardware. */ public static final int BLUETOOTH_GID = 2000; - + /** * Standard priority of application threads. * Use with {@link #setThreadPriority(int)} and @@ -370,12 +390,13 @@ public class Process { public static final ProcessStartResult start(final String processClass, final String niceName, int uid, int gid, int[] gids, - int debugFlags, int targetSdkVersion, + int debugFlags, int mountExternal, + int targetSdkVersion, String seInfo, String[] zygoteArgs) { try { return startViaZygote(processClass, niceName, uid, gid, gids, - debugFlags, targetSdkVersion, seInfo, zygoteArgs); + debugFlags, mountExternal, targetSdkVersion, seInfo, zygoteArgs); } catch (ZygoteStartFailedEx ex) { Log.e(LOG_TAG, "Starting VM process through Zygote failed"); @@ -547,7 +568,8 @@ public class Process { final String niceName, final int uid, final int gid, final int[] gids, - int debugFlags, int targetSdkVersion, + int debugFlags, int mountExternal, + int targetSdkVersion, String seInfo, String[] extraArgs) throws ZygoteStartFailedEx { @@ -574,6 +596,11 @@ public class Process { if ((debugFlags & Zygote.DEBUG_ENABLE_ASSERT) != 0) { argsForZygote.add("--enable-assert"); } + if (mountExternal == Zygote.MOUNT_EXTERNAL_MULTIUSER) { + argsForZygote.add("--mount-external-multiuser"); + } else if (mountExternal == Zygote.MOUNT_EXTERNAL_MULTIUSER_ALL) { + argsForZygote.add("--mount-external-multiuser-all"); + } argsForZygote.add("--target-sdk-version=" + targetSdkVersion); //TODO optionally enable debuger @@ -634,16 +661,29 @@ public class Process { public static final native int myTid(); /** - * Returns the identifier of this process's user. + * Returns the identifier of this process's uid. This is the kernel uid + * that the process is running under, which is the identity of its + * app-specific sandbox. It is different from {@link #myUserHandle} in that + * a uid identifies a specific app sandbox in a specific user. */ public static final native int myUid(); /** + * Returns this process's user handle. This is the + * user the process is running under. It is distinct from + * {@link #myUid()} in that a particular user will have multiple + * distinct apps running under it each with their own uid. + */ + public static final UserHandle myUserHandle() { + return new UserHandle(UserHandle.getUserId(myUid())); + } + + /** * Returns whether the current process is in an isolated sandbox. * @hide */ public static final boolean isIsolated() { - int uid = UserId.getAppId(myUid()); + int uid = UserHandle.getAppId(myUid()); return uid >= FIRST_ISOLATED_UID && uid <= LAST_ISOLATED_UID; } |