gecko-dev/xpcom/base/nsMemoryInfoDumper.h
Jed Davis 1e4a828cc8 Bug 956961 - Open content processes' DMD log files in the parent process. r=njn
--HG--
extra : rebase_source : 2958f582f43bfac86ec29d784b4fb8825ca17257
extra : histedit_source : 96e39e36cbe506332d761c375b902284a695901a%2C245fc9ec3c6a3bbf4e5e5ce7b0da63f4477f36b9
2014-07-02 15:59:02 -07:00

51 lines
1.5 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 <stdio.h>
class nsACString;
/**
* 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
{
virtual ~nsMemoryInfoDumper();
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIMEMORYINFODUMPER
nsMemoryInfoDumper();
static void Initialize();
#ifdef MOZ_DMD
// Write a DMD report.
static nsresult DumpDMD(const nsAString& aIdentifier);
// Open an appropriately named file for a DMD report. If DMD is
// disabled, return a null FILE* instead.
static nsresult OpenDMDFile(const nsAString& aIdentifier, int aPid,
FILE** aOutFile);
// Write a DMD report to the given file and close it.
static nsresult DumpDMDToFile(FILE* aFile);
#endif
};
#define NS_MEMORY_INFO_DUMPER_CID \
{ 0x00bd71fb, 0x7f09, 0x4ec3, \
{ 0x96, 0xaf, 0xa0, 0xb5, 0x22, 0xb7, 0x79, 0x69 } }
#endif