Revision: 18563
Author: [email protected]
Date: Mon Jan 13 12:03:31 2014 UTC
Log: Introduce an API mirroring the gc extension
BUG=none
[email protected], [email protected]
LOG=y
Review URL: https://codereview.chromium.org/131443008
http://code.google.com/p/v8/source/detail?r=18563
Modified:
/branches/bleeding_edge/include/v8.h
/branches/bleeding_edge/src/api.cc
=======================================
--- /branches/bleeding_edge/include/v8.h Mon Jan 13 10:57:49 2014 UTC
+++ /branches/bleeding_edge/include/v8.h Mon Jan 13 12:03:31 2014 UTC
@@ -3963,6 +3963,15 @@
Scope& operator=(const Scope&);
};
+ /**
+ * Types of garbage collections that can be requested via
+ * RequestGarbageCollectionForTesting.
+ */
+ enum GarbageCollectionType {
+ kFullGarbageCollection,
+ kMinorGarbageCollection
+ };
+
/**
* Creates a new isolate. Does not change the currently entered
* isolate.
@@ -4175,6 +4184,17 @@
*/
void ClearInterrupt();
+ /**
+ * Request garbage collection in this Isolate. It is only valid to call
this
+ * function if --expose_gc was specified.
+ *
+ * This should only be used for testing purposes and not to enforce a
garbage
+ * collection schedule. It has strong negative impact on the garbage
+ * collection performance. Use IdleNotification() or
LowMemoryNotification()
+ * instead to influence the garbage collection schedule.
+ */
+ void RequestGarbageCollectionForTesting(GarbageCollectionType type);
+
private:
Isolate();
Isolate(const Isolate&);
=======================================
--- /branches/bleeding_edge/src/api.cc Mon Jan 13 10:51:40 2014 UTC
+++ /branches/bleeding_edge/src/api.cc Mon Jan 13 12:03:31 2014 UTC
@@ -6410,6 +6410,21 @@
void Isolate::ClearInterrupt() {
reinterpret_cast<i::Isolate*>(this)->stack_guard()->ClearInterrupt();
}
+
+
+void Isolate::RequestGarbageCollectionForTesting(GarbageCollectionType
type) {
+ CHECK(i::FLAG_expose_gc);
+ if (type == kMinorGarbageCollection) {
+ reinterpret_cast<i::Isolate*>(this)->heap()->CollectGarbage(
+ i::NEW_SPACE, "Isolate::RequestGarbageCollection",
+ kGCCallbackFlagForced);
+ } else {
+ ASSERT_EQ(kFullGarbageCollection, type);
+ reinterpret_cast<i::Isolate*>(this)->heap()->CollectAllGarbage(
+ i::Heap::kNoGCFlags, "Isolate::RequestGarbageCollection",
+ kGCCallbackFlagForced);
+ }
+}
Isolate* Isolate::GetCurrent() {
--
--
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