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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Functions used to debug memory usage, leaks, and other memory issues. | |
6 // All methods are effectively no-ops unless this program is being run through | |
7 // a supported memory tool (currently, only Purify) | |
8 | |
9 #ifndef BASE_MEMORY_MEMORY_DEBUG_H_ | |
10 #define BASE_MEMORY_MEMORY_DEBUG_H_ | |
11 #pragma once | |
12 | |
13 #include "base/base_export.h" | |
14 #include "base/basictypes.h" | |
15 | |
16 namespace base { | |
17 | |
18 class BASE_EXPORT MemoryDebug { | |
19 public: | |
20 // Since MIU messages are a lot of data, and we don't always want this data, | |
21 // we have a global switch. If disabled, *MemoryInUse are no-ops. | |
22 static void SetMemoryInUseEnabled(bool enabled); | |
23 | |
24 // Dump information about all memory in use. | |
25 static void DumpAllMemoryInUse(); | |
26 // Dump information about new memory in use since the last | |
27 // call to DumpAllMemoryInUse() or DumpNewMemoryInUse(). | |
28 static void DumpNewMemoryInUse(); | |
29 | |
30 // Dump information about all current memory leaks. | |
31 static void DumpAllLeaks(); | |
32 // Dump information about new memory leaks since the last | |
33 // call to DumpAllLeaks() or DumpNewLeaks() | |
34 static void DumpNewLeaks(); | |
35 | |
36 // Mark |size| bytes of memory as initialized, so it doesn't produce any UMRs | |
37 // or UMCs. | |
38 static void MarkAsInitialized(void* addr, size_t size); | |
39 | |
40 private: | |
41 static bool memory_in_use_; | |
42 | |
43 DISALLOW_IMPLICIT_CONSTRUCTORS(MemoryDebug); | |
44 }; | |
45 | |
46 } // namespace base | |
47 | |
48 #endif // BASE_MEMORY_MEMORY_DEBUG_H_ | |
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