Merge "Clarify getCallingPid for oneway transactions." am: 26bbd81bd6 am: 79e3174053 am: 8d4c23bca4

Change-Id: Idac564db1771643b91eb2a3a7278cd83c0210080
2020-03-06 01:01:29 +00:00
parent 723f37be1b 8d4c23bca4
commit a6fe68a08d
1 changed files with 2 additions and 0 deletions
--- a/core/java/android/os/Binder.java
+++ b/core/java/android/os/Binder.java
@@ -263,6 +263,8 @@ public class Binder implements IBinder {
     * system services to determine its identity and check permissions.
     * If the current thread is not currently executing an incoming transaction,
     * then its own pid is returned.
+     *
+     * Warning: oneway transactions do not receive PID.
     */
    @CriticalNative
    public static final native int getCallingPid();