mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-08 05:52:32 +00:00
265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
60 lines
2.1 KiB
C++
60 lines
2.1 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_LateWriteChecks_h
|
|
#define mozilla_LateWriteChecks_h
|
|
|
|
// This file, along with LateWriteChecks.cpp, serves to check for and report
|
|
// late writes. The idea is discover writes to the file system that happens
|
|
// during shutdown such that these maybe be moved forward and the process may be
|
|
// killed without waiting for static destructors.
|
|
|
|
namespace mozilla {
|
|
|
|
/** Different shutdown check modes */
|
|
enum ShutdownChecksMode {
|
|
SCM_CRASH, /** Crash on shutdown check failure */
|
|
SCM_RECORD, /** Record shutdown check violations */
|
|
SCM_NOTHING /** Don't attempt any shutdown checks */
|
|
};
|
|
|
|
/**
|
|
* Current shutdown check mode.
|
|
* This variable is defined and initialized in nsAppRunner.cpp
|
|
*/
|
|
extern ShutdownChecksMode gShutdownChecks;
|
|
|
|
/**
|
|
* Allocate structures and acquire information from XPCOM necessary to do late
|
|
* write checks. This function must be invoked before BeginLateWriteChecks()
|
|
* and before XPCOM has stopped working.
|
|
*/
|
|
void InitLateWriteChecks();
|
|
|
|
/**
|
|
* Begin recording all writes as late-writes. This function should be called
|
|
* when all legitimate writes have occurred. This function does not rely on
|
|
* XPCOM as it is designed to be invoked during XPCOM shutdown.
|
|
*
|
|
* For late-write checks to work you must initialize one or more backends that
|
|
* reports IO through the IOInterposer API. PoisonIOInterposer would probably
|
|
* be the backend of choice in this case.
|
|
*
|
|
* Note: BeginLateWriteChecks() must have been invoked before this function.
|
|
*/
|
|
void BeginLateWriteChecks();
|
|
|
|
/**
|
|
* Stop recording all writes as late-writes, call this function when you want
|
|
* late-write checks to stop. I.e. exception handling, or the special case on
|
|
* Mac described in bug 826029.
|
|
*/
|
|
void StopLateWriteChecks();
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_LateWriteChecks_h
|