Bug 1297558 - Use a read barrier on Heap to ExposeToActiveJS r=sfink r=mccr8

2016-02-07 09:08:55 -08:00
parent 3d2cbae2d3
commit ed32b698b3
23 changed files with 228 additions and 70 deletions
--- a/js/ipc/JavaScriptShared.cpp
+++ b/js/ipc/JavaScriptShared.cpp
@@ -83,6 +83,17 @@ IdToObjectMap::empty() const
    return table_.empty();
 }

+#ifdef DEBUG
+bool
+IdToObjectMap::has(const ObjectId& id, const JSObject* obj) const
+{
+    auto p = table_.lookup(id);
+    if (!p)
+        return false;
+    return p->value().unbarrieredGet() == obj;
+}
+#endif
+
 bool
 ObjectToIdMap::init()
 {