security/manager/ssl/src/CryptoTask.cpp@6474c204b198 (annotated)
security/manager/ssl/src/CryptoTask.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=2 et sw=2 tw=80: */ |
| 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 file, |
| michael@0 | 5 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "CryptoTask.h" |
| michael@0 | 8 | |
| michael@0 | 9 | namespace mozilla { |
| michael@0 | 10 | |
| michael@0 | 11 | CryptoTask::~CryptoTask() |
| michael@0 | 12 | { |
| michael@0 | 13 | MOZ_ASSERT(mReleasedNSSResources); |
| michael@0 | 14 | |
| michael@0 | 15 | nsNSSShutDownPreventionLock lock; |
| michael@0 | 16 | if (!isAlreadyShutDown()) { |
| michael@0 | 17 | shutdown(calledFromObject); |
| michael@0 | 18 | } |
| michael@0 | 19 | } |
| michael@0 | 20 | |
| michael@0 | 21 | NS_IMETHODIMP |
| michael@0 | 22 | CryptoTask::Run() |
| michael@0 | 23 | { |
| michael@0 | 24 | if (!NS_IsMainThread()) { |
| michael@0 | 25 | nsNSSShutDownPreventionLock locker; |
| michael@0 | 26 | if (isAlreadyShutDown()) { |
| michael@0 | 27 | mRv = NS_ERROR_NOT_AVAILABLE; |
| michael@0 | 28 | } else { |
| michael@0 | 29 | mRv = CalculateResult(); |
| michael@0 | 30 | } |
| michael@0 | 31 | NS_DispatchToMainThread(this); |
| michael@0 | 32 | } else { |
| michael@0 | 33 | // back on the main thread |
| michael@0 | 34 | |
| michael@0 | 35 | // call ReleaseNSSResources now, before calling CallCallback, so that |
| michael@0 | 36 | // CryptoTasks have consistent behavior regardless of whether NSS is shut |
| michael@0 | 37 | // down between CalculateResult being called and CallCallback being called. |
| michael@0 | 38 | if (!mReleasedNSSResources) { |
| michael@0 | 39 | mReleasedNSSResources = true; |
| michael@0 | 40 | ReleaseNSSResources(); |
| michael@0 | 41 | } |
| michael@0 | 42 | |
| michael@0 | 43 | CallCallback(mRv); |
| michael@0 | 44 | |
| michael@0 | 45 | // Not all uses of CryptoTask use a transient thread |
| michael@0 | 46 | if (mThread) { |
| michael@0 | 47 | // Don't leak threads! |
| michael@0 | 48 | mThread->Shutdown(); // can't Shutdown from the thread itself, darn |
| michael@0 | 49 | // Don't null out mThread! |
| michael@0 | 50 | // See bug 999104. We must hold a ref to the thread across Dispatch() |
| michael@0 | 51 | // since the internal mThread ref could be released while processing |
| michael@0 | 52 | // the Dispatch(), and Dispatch/PutEvent itself doesn't hold a ref; it |
| michael@0 | 53 | // assumes the caller does. |
| michael@0 | 54 | } |
| michael@0 | 55 | } |
| michael@0 | 56 | |
| michael@0 | 57 | return NS_OK; |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | void |
| michael@0 | 61 | CryptoTask::virtualDestroyNSSReference() |
| michael@0 | 62 | { |
| michael@0 | 63 | NS_ABORT_IF_FALSE(NS_IsMainThread(), |
| michael@0 | 64 | "virtualDestroyNSSReference called off the main thread"); |
| michael@0 | 65 | if (!mReleasedNSSResources) { |
| michael@0 | 66 | mReleasedNSSResources = true; |
| michael@0 | 67 | ReleaseNSSResources(); |
| michael@0 | 68 | } |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | } // namespace mozilla |
