From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- xpcom/base/nsMemoryInfoDumper.h | 46 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 xpcom/base/nsMemoryInfoDumper.h (limited to 'xpcom/base/nsMemoryInfoDumper.h') diff --git a/xpcom/base/nsMemoryInfoDumper.h b/xpcom/base/nsMemoryInfoDumper.h new file mode 100644 index 000000000..6bba176f2 --- /dev/null +++ b/xpcom/base/nsMemoryInfoDumper.h @@ -0,0 +1,46 @@ +/* -*- 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 + +/** + * 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 + // 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 -- cgit v1.2.3