diff options
| -rw-r--r-- | core/java/android/os/IBinder.java | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/core/java/android/os/IBinder.java b/core/java/android/os/IBinder.java index f762a052cb41..d5216e73ba66 100644 --- a/core/java/android/os/IBinder.java +++ b/core/java/android/os/IBinder.java @@ -153,6 +153,14 @@ public interface IBinder { * caller returns immediately, without waiting for a result from the * callee. Applies only if the caller and callee are in different * processes. + * + * <p>The system provides special ordering semantics for multiple oneway calls + * being made to the same IBinder object: these calls will be dispatched in the + * other process one at a time, with the same order as the original calls. These + * are still dispatched by the IPC thread pool, so may execute on different threads, + * but the next one will not be dispatched until the previous one completes. This + * ordering is not guaranteed for calls on different IBinder objects or when mixing + * oneway and non-oneway calls on the same IBinder object.</p> */ int FLAG_ONEWAY = 0x00000001; |