Merge change 26715 into eclair

* changes:
  fix [2133214] STOPSHIP: revert I4a06bb4f: workaround for [2113743] Sholes: frozen then runtime restart going to list view

libs/surfaceflinger/Layer.cpp

@@ -88,6 +88,7 @@ void Layer::destroy()
         mBuffers[i].clear();
         mWidth = mHeight = 0;
     }
+    mSurface.clear();
 }
 
 sp<LayerBaseClient::Surface> Layer::createSurface() const
@@ -98,8 +99,7 @@ sp<LayerBaseClient::Surface> Layer::createSurface() const
 status_t Layer::ditch()
 {
     // the layer is not on screen anymore. free as much resources as possible
-    //destroy();
-    mSurface.clear();
+    destroy();
     return NO_ERROR;
 }
 

libs/surfaceflinger/SurfaceFlinger.cpp

@@ -1084,12 +1084,9 @@ status_t SurfaceFlinger::removeLayer_l(const sp<LayerBase>& layerBase)
 
 status_t SurfaceFlinger::purgatorizeLayer_l(const sp<LayerBase>& layerBase)
 {
-    // First add the layer to the purgatory list, which makes sure it won't 
-    // go away, then remove it from the main list (through a transaction).
+    // remove the layer from the main list (through a transaction).
     ssize_t err = removeLayer_l(layerBase);
-    if (err >= 0) {
-        mLayerPurgatory.add(layerBase);
-    }
+
     // it's possible that we don't find a layer, because it might
     // have been destroyed already -- this is not technically an error
     // from the user because there is a race between BClient::destroySurface(),
@@ -1362,18 +1359,8 @@ status_t SurfaceFlinger::destroySurface(const sp<LayerBaseClient>& layer)
              * to use the purgatory.
              */
             status_t err = flinger->removeLayer_l(l);
-            if (err == NAME_NOT_FOUND) {
-                // The surface wasn't in the current list, which means it was
-                // removed already, which means it is in the purgatory, 
-                // and need to be removed from there.
-                // This needs to happen from the main thread since its dtor
-                // must run from there (b/c of OpenGL ES). Additionally, we
-                // can't really acquire our internal lock from 
-                // destroySurface() -- see postMessage() below.
-                ssize_t idx = flinger->mLayerPurgatory.remove(l);
-                LOGE_IF(idx < 0,
-                        "layer=%p is not in the purgatory list", l.get());
-            }
+            LOGE_IF(err<0 && err != NAME_NOT_FOUND,
+                    "error removing layer=%p (%s)", l.get(), strerror(-err));
             return true;
         }
     };

libs/surfaceflinger/SurfaceFlinger.h

@@ -314,7 +314,6 @@ private:
     volatile    int32_t                 mTransactionCount;
                 Condition               mTransactionCV;
                 bool                    mResizeTransationPending;
-                SortedVector< sp<LayerBase> > mLayerPurgatory;
                 
                 // protected by mStateLock (but we could use another lock)
                 Tokenizer                               mTokens;