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// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_HEAP_CPPGC_PLATFORM_H_
#define V8_HEAP_CPPGC_PLATFORM_H_
#include <string>
#include "include/cppgc/platform.h"
#include "include/cppgc/source-location.h"
#include "src/base/macros.h"
namespace cppgc::internal {
class HeapBase;
class V8_EXPORT_PRIVATE FatalOutOfMemoryHandler final {
public:
using Callback = void(const std::string&, const SourceLocation&, HeapBase*);
FatalOutOfMemoryHandler() = default;
explicit FatalOutOfMemoryHandler(HeapBase* heap) : heap_(heap) {}
[[noreturn]] void operator()(
const std::string& reason = std::string(),
const SourceLocation& = SourceLocation::Current()) const;
void SetCustomHandler(Callback*);
// Disallow copy/move.
FatalOutOfMemoryHandler(const FatalOutOfMemoryHandler&) = delete;
FatalOutOfMemoryHandler& operator=(const FatalOutOfMemoryHandler&) = delete;
private:
HeapBase* heap_ = nullptr;
Callback* custom_handler_ = nullptr;
};
// Gets the global OOM handler that is not bound to any specific Heap instance.
FatalOutOfMemoryHandler& GetGlobalOOMHandler();
// Gets the gobal PageAllocator that is not bound to any specific Heap instance.
PageAllocator& GetGlobalPageAllocator();
} // namespace cppgc::internal
#endif // V8_HEAP_CPPGC_PLATFORM_H_
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