The Tor Browser: ipc/chromium/src/base/memory

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 // Copyright (c) 2006-2008 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.

     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)

     9 #ifndef BASE_MEMORY_DEBUG_H_

    10 #define BASE_MEMORY_DEBUG_H_

    12 #include "base/basictypes.h"

    14 namespace base {

    16 class MemoryDebug {

    17  public:

    18   // Since MIU messages are a lot of data, and we don't always want this data,

    19   // we have a global switch.  If disabled, *MemoryInUse are no-ops.

    20   static void SetMemoryInUseEnabled(bool enabled);

    22   // Dump information about all memory in use.

    23   static void DumpAllMemoryInUse();

    24   // Dump information about new memory in use since the last

    25   // call to DumpAllMemoryInUse() or DumpNewMemoryInUse().

    26   static void DumpNewMemoryInUse();

    28   // Dump information about all current memory leaks.

    29   static void DumpAllLeaks();

    30   // Dump information about new memory leaks since the last

    31   // call to DumpAllLeaks() or DumpNewLeaks()

    32   static void DumpNewLeaks();

    34   // Mark |size| bytes of memory as initialized, so it doesn't produce any UMRs

    35   // or UMCs.

    36   static void MarkAsInitialized(void* addr, size_t size);

    38  private:

    39   static bool memory_in_use_;

    41   DISALLOW_IMPLICIT_CONSTRUCTORS(MemoryDebug);

    42 };

    44 }  // namespace base

    46 #endif  // BASE_MEMORY_DEBUG_H_

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