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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef V8GCController_h
#define V8GCController_h
#include "core/CoreExport.h"
#include "platform/heap/Handle.h"
#include "platform/wtf/Allocator.h"
#include "v8/include/v8-profiler.h"
#include "v8/include/v8.h"
namespace blink {
class ExecutionContext;
class Node;
class CORE_EXPORT V8GCController {
STATIC_ONLY(V8GCController);
public:
static void GcPrologue(v8::Isolate*, v8::GCType, v8::GCCallbackFlags);
static void GcEpilogue(v8::Isolate*, v8::GCType, v8::GCCallbackFlags);
static void CollectGarbage(v8::Isolate*, bool only_minor_gc = false);
// You should use collectAllGarbageForTesting() when you want to collect all
// V8 & Blink objects. It runs multiple V8 GCs to collect references
// that cross the binding boundary. collectAllGarbage() also runs multipe
// Oilpan GCs to collect a chain of persistent handles.
static void CollectAllGarbageForTesting(v8::Isolate*);
static Node* OpaqueRootForGC(v8::Isolate*, Node*);
static void TraceDOMWrappers(v8::Isolate*, Visitor*);
static bool HasPendingActivity(v8::Isolate*, ExecutionContext*);
// Called when Oilpan traces references from V8 wrappers to DOM wrappables.
static v8::HeapProfiler::RetainerInfos GetRetainerInfos(v8::Isolate*);
// Called upon terminating a thread when Oilpan clears references from V8
// wrappers to DOM wrappables.
static void ClearDOMWrappers(v8::Isolate*);
};
} // namespace blink
#endif // V8GCController_h
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