The Tor Browser / file comparison
comparison: security/manager/ssl/src/CryptoTask.cpp
security/manager/ssl/src/CryptoTask.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:45d510474817 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "CryptoTask.h" | |
| 8 | |
| 9 namespace mozilla { | |
| 10 | |
| 11 CryptoTask::~CryptoTask() | |
| 12 { | |
| 13 MOZ_ASSERT(mReleasedNSSResources); | |
| 14 | |
| 15 nsNSSShutDownPreventionLock lock; | |
| 16 if (!isAlreadyShutDown()) { | |
| 17 shutdown(calledFromObject); | |
| 18 } | |
| 19 } | |
| 20 | |
| 21 NS_IMETHODIMP | |
| 22 CryptoTask::Run() | |
| 23 { | |
| 24 if (!NS_IsMainThread()) { | |
| 25 nsNSSShutDownPreventionLock locker; | |
| 26 if (isAlreadyShutDown()) { | |
| 27 mRv = NS_ERROR_NOT_AVAILABLE; | |
| 28 } else { | |
| 29 mRv = CalculateResult(); | |
| 30 } | |
| 31 NS_DispatchToMainThread(this); | |
| 32 } else { | |
| 33 // back on the main thread | |
| 34 | |
| 35 // call ReleaseNSSResources now, before calling CallCallback, so that | |
| 36 // CryptoTasks have consistent behavior regardless of whether NSS is shut | |
| 37 // down between CalculateResult being called and CallCallback being called. | |
| 38 if (!mReleasedNSSResources) { | |
| 39 mReleasedNSSResources = true; | |
| 40 ReleaseNSSResources(); | |
| 41 } | |
| 42 | |
| 43 CallCallback(mRv); | |
| 44 | |
| 45 // Not all uses of CryptoTask use a transient thread | |
| 46 if (mThread) { | |
| 47 // Don't leak threads! | |
| 48 mThread->Shutdown(); // can't Shutdown from the thread itself, darn | |
| 49 // Don't null out mThread! | |
| 50 // See bug 999104. We must hold a ref to the thread across Dispatch() | |
| 51 // since the internal mThread ref could be released while processing | |
| 52 // the Dispatch(), and Dispatch/PutEvent itself doesn't hold a ref; it | |
| 53 // assumes the caller does. | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 return NS_OK; | |
| 58 } | |
| 59 | |
| 60 void | |
| 61 CryptoTask::virtualDestroyNSSReference() | |
| 62 { | |
| 63 NS_ABORT_IF_FALSE(NS_IsMainThread(), | |
| 64 "virtualDestroyNSSReference called off the main thread"); | |
| 65 if (!mReleasedNSSResources) { | |
| 66 mReleasedNSSResources = true; | |
| 67 ReleaseNSSResources(); | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 } // namespace mozilla |
