gecko/tools/memory-profiler/UncensoredAllocator.h

49 lines
1.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef memory_profiler_UncensoredAllocator_h
#define memory_profiler_UncensoredAllocator_h
#include "mozilla/Attributes.h"
#include "mozilla/ThreadLocal.h"
#ifdef MOZ_REPLACE_MALLOC
#include "replace_malloc_bridge.h"
#endif
class NativeProfiler;
namespace mozilla {
class MallocHook final
{
public:
static void Initialize();
static void Enable(NativeProfiler* aNativeProfiler);
static void Disable();
static bool Enabled();
private:
static void* SampleNative(void* aAddr, size_t aSize);
static void RemoveNative(void* aAddr);
#ifdef MOZ_REPLACE_MALLOC
static ThreadLocal<bool> mEnabledTLS;
static NativeProfiler* mNativeProfiler;
static malloc_hook_table_t mMallocHook;
#endif
friend class AutoUseUncensoredAllocator;
};
class MOZ_RAII AutoUseUncensoredAllocator final
{
public:
AutoUseUncensoredAllocator();
~AutoUseUncensoredAllocator();
};
} // namespace mozilla
#endif // memory_profiler_UncensoredAllocator_h