| // 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_ |
| #pragma once |
| |
| #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_ |