diff options
Diffstat (limited to 'avmedia/source/vlc/inc/wrapper/ThreadsafeQueue.hxx')
-rw-r--r-- | avmedia/source/vlc/inc/wrapper/ThreadsafeQueue.hxx | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/avmedia/source/vlc/inc/wrapper/ThreadsafeQueue.hxx b/avmedia/source/vlc/inc/wrapper/ThreadsafeQueue.hxx new file mode 100644 index 000000000..f8eb480dd --- /dev/null +++ b/avmedia/source/vlc/inc/wrapper/ThreadsafeQueue.hxx @@ -0,0 +1,81 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ +#pragma once +#include <queue> +#include <iostream> +#include <osl/mutex.hxx> +#include <osl/conditn.hxx> + +namespace avmedia +{ +namespace vlc +{ +namespace wrapper +{ +template<class T> +class ThreadsafeQueue +{ +public: + ThreadsafeQueue(const ThreadsafeQueue&) = delete; + const ThreadsafeQueue& operator=(const ThreadsafeQueue&) = delete; + + ThreadsafeQueue(); + + void push( const T& data ); + void pop( T& data ); + +private: + std::queue< T > mQueue; + mutable ::osl::Mutex mMutex; + ::osl::Condition mCondition; +}; + +template<class T> +ThreadsafeQueue<T>::ThreadsafeQueue() +{ +} + +template<class T> +void ThreadsafeQueue<T>::push( const T& data ) +{ + ::osl::MutexGuard guard( mMutex ); + mQueue.push( data ); + mMutex.release(); + mCondition.set(); +} + +template<class T> +void ThreadsafeQueue<T>::pop( T& data ) +{ + mCondition.wait(); + ::osl::MutexGuard guard( mMutex ); + while ( mQueue.empty() ) + { + mMutex.release(); + mCondition.wait(); + mMutex.acquire(); + } + data = mQueue.front(); + mQueue.pop(); +} +} +} +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |