gecko/xpcom/base/nsMemoryInfoDumper.h
2013-03-27 20:31:26 -07:00

47 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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 mozilla_nsMemoryInfoDumper_h
#define mozilla_nsMemoryInfoDumper_h
#include "nsIMemoryInfoDumper.h"
#include "nsString.h"
/**
* This class facilitates dumping information about our memory usage to disk.
*
* Its cpp file also has Linux-only code which watches various OS signals and
* dumps memory info upon receiving a signal. You can activate these listeners
* by calling Initialize().
*/
class nsMemoryInfoDumper : public nsIMemoryInfoDumper
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIMEMORYINFODUMPER
nsMemoryInfoDumper();
virtual ~nsMemoryInfoDumper();
public:
static void Initialize();
/**
* This function creates a new unique file based on |aFilename| in a
* world-readable temp directory. This is the system temp directory
* or, in the case of Android, the downloads directory. If |aFile| is
* non-null, it is assumed to point to a folder, and that folder is used
* instead.
*/
static nsresult OpenTempFile(const nsACString &aFilename, nsIFile* *aFile);
};
#define NS_MEMORY_INFO_DUMPER_CID \
{ 0x00bd71fb, 0x7f09, 0x4ec3, \
{ 0x96, 0xaf, 0xa0, 0xb5, 0x22, 0xb7, 0x79, 0x69 } }
#endif