xpcom/build/LateWriteChecks.h

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* vim:set ts=4 sw=4 sts=4 ci et: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef mozilla_LateWriteChecks_h
michael@0 8 #define mozilla_LateWriteChecks_h
michael@0 9
michael@0 10 // This file, along with LateWriteChecks.cpp, serves to check for and report
michael@0 11 // late writes. The idea is discover writes to the file system that happens
michael@0 12 // during shutdown such that these maybe be moved forward and the process may be
michael@0 13 // killed without waiting for static destructors.
michael@0 14
michael@0 15 namespace mozilla {
michael@0 16
michael@0 17 /** Different shutdown check modes */
michael@0 18 enum ShutdownChecksMode {
michael@0 19 SCM_CRASH, /** Crash on shutdown check failure */
michael@0 20 SCM_RECORD, /** Record shutdown check violations */
michael@0 21 SCM_NOTHING /** Don't attempt any shutdown checks */
michael@0 22 };
michael@0 23
michael@0 24 /**
michael@0 25 * Current shutdown check mode.
michael@0 26 * This variable is defined and initialized in nsAppRunner.cpp
michael@0 27 */
michael@0 28 extern ShutdownChecksMode gShutdownChecks;
michael@0 29
michael@0 30 /**
michael@0 31 * Allocate structures and acquire information from XPCOM necessary to do late
michael@0 32 * write checks. This function must be invoked before BeginLateWriteChecks()
michael@0 33 * and before XPCOM has stopped working.
michael@0 34 */
michael@0 35 void InitLateWriteChecks();
michael@0 36
michael@0 37 /**
michael@0 38 * Begin recording all writes as late-writes. This function should be called
michael@0 39 * when all legitimate writes have occurred. This function does not rely on
michael@0 40 * XPCOM as it is designed to be invoked during XPCOM shutdown.
michael@0 41 *
michael@0 42 * For late-write checks to work you must initialize one or more backends that
michael@0 43 * reports IO through the IOInterposer API. PoisonIOInterposer would probably
michael@0 44 * be the backend of choice in this case.
michael@0 45 *
michael@0 46 * Note: BeginLateWriteChecks() must have been invoked before this function.
michael@0 47 */
michael@0 48 void BeginLateWriteChecks();
michael@0 49
michael@0 50 /**
michael@0 51 * Stop recording all writes as late-writes, call this function when you want
michael@0 52 * late-write checks to stop. I.e. exception handling, or the special case on
michael@0 53 * Mac described in bug 826029.
michael@0 54 */
michael@0 55 void StopLateWriteChecks();
michael@0 56
michael@0 57 } // mozilla
michael@0 58
michael@0 59 #endif // mozilla_LateWriteChecks_h

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