commit a9d82fe8bc6960b565245b920e99107a824ca515
author Mathieu Chartier <mathieuc@google.com> Mon Jan 25 20:06:11 2016 -0800
committer Mathieu Chartier <mathieuc@google.com> Tue Jan 26 12:24:02 2016 -0800
tree a6ced4b8bca71232d20d91ff344c7531948b7be3
parent 1af0204dddc1d99dc17a13eca135c1b57023c1c3

Use mutator lock to guard adding and removing heap spaces

Too hard to add a new lock since dlmalloc ArtMoreCore requires
looping through the spaces while holding the allocator lock.

Bug: 22858531
Change-Id: Ieac2136da02c766b6795cd604a58798bee37ef2a

runtime/gc/collector/mark_sweep.h

diff --git a/runtime/gc/collector/mark_sweep.h b/runtime/gc/collector/mark_sweep.h
index 245f96b..b61bef7 100644
--- a/runtime/gc/collector/mark_sweep.h
+++ b/runtime/gc/collector/mark_sweep.h
@@ -85,7 +85,7 @@
   void Init();
 
   // Find the default mark bitmap.
-  void FindDefaultSpaceBitmap();
+  void FindDefaultSpaceBitmap() SHARED_REQUIRES(Locks::mutator_lock_);
 
   // Marks all objects in the root set at the start of a garbage collection.
   void MarkRoots(Thread* self)