Surface: Add force disconnection method.
Add a new method forceScopedDisconnect to Surface. This will
be used by the framework to force disconnection at times where
the underlying GraphicBufferProducer may be about to be reused.
This is scoped by PID to avoid conflicting with remote producers.
Bug: 30236166
Change-Id: I857216483c0b550f240b3baea41977cbc58a67ed
diff --git a/include/gui/IGraphicBufferProducer.h b/include/gui/IGraphicBufferProducer.h
index c62bc58..bf427fe 100644
--- a/include/gui/IGraphicBufferProducer.h
+++ b/include/gui/IGraphicBufferProducer.h
@@ -458,17 +458,24 @@
virtual status_t connect(const sp<IProducerListener>& listener,
int api, bool producerControlledByApp, QueueBufferOutput* output) = 0;
+ enum class DisconnectMode {
+ // Disconnect only the specified API.
+ Api,
+ // Disconnect any API originally connected from the process calling disconnect.
+ AllLocal
+ };
+
// disconnect attempts to disconnect a client API from the
// IGraphicBufferProducer. Calling this method will cause any subsequent
// calls to other IGraphicBufferProducer methods to fail except for
// getAllocator and connect. Successfully calling connect after this will
// allow the other methods to succeed again.
//
- // This method will fail if the the IGraphicBufferProducer is not currently
- // connected to the specified client API.
- //
// The api should be one of the NATIVE_WINDOW_API_* values in <window.h>
//
+ // Alternatively if mode is AllLocal, then the API value is ignored, and any API
+ // connected from the same PID calling disconnect will be disconnected.
+ //
// Disconnecting from an abandoned IGraphicBufferProducer is legal and
// is considered a no-op.
//
@@ -477,7 +484,7 @@
// * the api specified does not match the one that was connected
// * api was out of range (see above).
// * DEAD_OBJECT - the token is hosted by an already-dead process
- virtual status_t disconnect(int api) = 0;
+ virtual status_t disconnect(int api, DisconnectMode mode = DisconnectMode::Api) = 0;
// Attaches a sideband buffer stream to the IGraphicBufferProducer.
//