1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/manager/ssl/src/CryptoTask.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,71 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "CryptoTask.h"
1.11 +
1.12 +namespace mozilla {
1.13 +
1.14 +CryptoTask::~CryptoTask()
1.15 +{
1.16 + MOZ_ASSERT(mReleasedNSSResources);
1.17 +
1.18 + nsNSSShutDownPreventionLock lock;
1.19 + if (!isAlreadyShutDown()) {
1.20 + shutdown(calledFromObject);
1.21 + }
1.22 +}
1.23 +
1.24 +NS_IMETHODIMP
1.25 +CryptoTask::Run()
1.26 +{
1.27 + if (!NS_IsMainThread()) {
1.28 + nsNSSShutDownPreventionLock locker;
1.29 + if (isAlreadyShutDown()) {
1.30 + mRv = NS_ERROR_NOT_AVAILABLE;
1.31 + } else {
1.32 + mRv = CalculateResult();
1.33 + }
1.34 + NS_DispatchToMainThread(this);
1.35 + } else {
1.36 + // back on the main thread
1.37 +
1.38 + // call ReleaseNSSResources now, before calling CallCallback, so that
1.39 + // CryptoTasks have consistent behavior regardless of whether NSS is shut
1.40 + // down between CalculateResult being called and CallCallback being called.
1.41 + if (!mReleasedNSSResources) {
1.42 + mReleasedNSSResources = true;
1.43 + ReleaseNSSResources();
1.44 + }
1.45 +
1.46 + CallCallback(mRv);
1.47 +
1.48 + // Not all uses of CryptoTask use a transient thread
1.49 + if (mThread) {
1.50 + // Don't leak threads!
1.51 + mThread->Shutdown(); // can't Shutdown from the thread itself, darn
1.52 + // Don't null out mThread!
1.53 + // See bug 999104. We must hold a ref to the thread across Dispatch()
1.54 + // since the internal mThread ref could be released while processing
1.55 + // the Dispatch(), and Dispatch/PutEvent itself doesn't hold a ref; it
1.56 + // assumes the caller does.
1.57 + }
1.58 + }
1.59 +
1.60 + return NS_OK;
1.61 +}
1.62 +
1.63 +void
1.64 +CryptoTask::virtualDestroyNSSReference()
1.65 +{
1.66 + NS_ABORT_IF_FALSE(NS_IsMainThread(),
1.67 + "virtualDestroyNSSReference called off the main thread");
1.68 + if (!mReleasedNSSResources) {
1.69 + mReleasedNSSResources = true;
1.70 + ReleaseNSSResources();
1.71 + }
1.72 +}
1.73 +
1.74 +} // namespace mozilla
