Use shared app gid for forward-locked processes
Use a shared app gid for each app across different users which allows
forward-locked applications to share the same APK file.
Change-Id: Ifecf51ee7865547117746f83e9733083d3dd5111
diff --git a/core/java/android/os/UserHandle.java b/core/java/android/os/UserHandle.java
index 7e4666c..22994ff 100644
--- a/core/java/android/os/UserHandle.java
+++ b/core/java/android/os/UserHandle.java
@@ -139,6 +139,15 @@
}
/**
+ * Returns the shared app gid for a given uid or appId.
+ * @hide
+ */
+ public static final int getSharedAppGid(int id) {
+ return Process.FIRST_SHARED_APPLICATION_GID + (id % PER_USER_RANGE)
+ - Process.FIRST_APPLICATION_UID;
+ }
+
+ /**
* Returns the user id of the current process
* @return user id of the current process
* @hide