From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- security/manager/ssl/CryptoTask.h | 52 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 security/manager/ssl/CryptoTask.h (limited to 'security/manager/ssl/CryptoTask.h') diff --git a/security/manager/ssl/CryptoTask.h b/security/manager/ssl/CryptoTask.h new file mode 100644 index 0000000000..2cbd082d7a --- /dev/null +++ b/security/manager/ssl/CryptoTask.h @@ -0,0 +1,52 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=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__CryptoTask_h +#define mozilla__CryptoTask_h + +#include "mozilla/Attributes.h" +#include "nsThreadUtils.h" + +namespace mozilla { + +/** + * Frequently we need to run a task on a background thread without blocking + * the main thread, and then call a callback on the main thread with the + * result. This class provides the framework for that. Subclasses must: + * + * (1) Override CalculateResult for the off-the-main-thread computation. + * (2) Override CallCallback() for the on-the-main-thread call of the + * callback. + */ +class CryptoTask : public Runnable { + public: + nsresult Dispatch(); + + protected: + CryptoTask() : Runnable("CryptoTask"), mRv(NS_ERROR_NOT_INITIALIZED) {} + + virtual ~CryptoTask() = default; + + /** + * Called on a background thread (never the main thread). Its result will be + * passed to CallCallback on the main thread. + */ + virtual nsresult CalculateResult() = 0; + + /** + * Called on the main thread with the result from CalculateResult(). + */ + virtual void CallCallback(nsresult rv) = 0; + + private: + NS_IMETHOD Run() final; + + nsresult mRv; +}; + +} // namespace mozilla + +#endif // mozilla__CryptoTask_h -- cgit v1.2.3