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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Functions used to debug memory usage, leaks, and other memory issues.
// All methods are effectively no-ops unless this program is being run through
// a supported memory tool (currently, only Purify)
#ifndef BASE_MEMORY_DEBUG_H_
#define BASE_MEMORY_DEBUG_H_
#include "base/basictypes.h"
namespace base {
class MemoryDebug {
public:
// Since MIU messages are a lot of data, and we don't always want this data,
// we have a global switch. If disabled, *MemoryInUse are no-ops.
static void SetMemoryInUseEnabled(bool enabled);
// Dump information about all memory in use.
static void DumpAllMemoryInUse();
// Dump information about new memory in use since the last
// call to DumpAllMemoryInUse() or DumpNewMemoryInUse().
static void DumpNewMemoryInUse();
// Dump information about all current memory leaks.
static void DumpAllLeaks();
// Dump information about new memory leaks since the last
// call to DumpAllLeaks() or DumpNewLeaks()
static void DumpNewLeaks();
// Mark |size| bytes of memory as initialized, so it doesn't produce any UMRs
// or UMCs.
static void MarkAsInitialized(void* addr, size_t size);
private:
static bool memory_in_use_;
DISALLOW_IMPLICIT_CONSTRUCTORS(MemoryDebug);
};
} // namespace base
#endif // BASE_MEMORY_DEBUG_H_
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