diff options
author | StormBytePP <stormbyte@gmail.com> | 2015-08-15 02:19:10 +0200 |
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committer | StormBytePP <stormbyte@gmail.com> | 2015-08-16 21:23:15 +0200 |
commit | 1f66d719f2cbbcb144b5080c89dd73fcae261798 (patch) | |
tree | 6a3778749b629c92de95cef7eb3d1d8c2630bdc4 /src/server/shared/Threading/ProducerConsumerQueue.h | |
parent | 222eaccc51b8d358c7b60d8def40d6461244ed31 (diff) |
Core/BuildSystem: Merge collision, debugging, threading, utilities and configuration into "common" which does not depend on shared anymore and moved database out of shared library
These changes enables to build tools only without even having MySQL installed
Diffstat (limited to 'src/server/shared/Threading/ProducerConsumerQueue.h')
-rw-r--r-- | src/server/shared/Threading/ProducerConsumerQueue.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/src/server/shared/Threading/ProducerConsumerQueue.h b/src/server/shared/Threading/ProducerConsumerQueue.h deleted file mode 100644 index 96546960393..00000000000 --- a/src/server/shared/Threading/ProducerConsumerQueue.h +++ /dev/null @@ -1,112 +0,0 @@ -/* -* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/> -* -* This program is free software; you can redistribute it and/or modify it -* under the terms of the GNU General Public License as published by the -* Free Software Foundation; either version 2 of the License, or (at your -* option) any later version. -* -* This program is distributed in the hope that it will be useful, but WITHOUT -* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for -* more details. -* -* You should have received a copy of the GNU General Public License along -* with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -#ifndef _PCQ_H -#define _PCQ_H - -#include <condition_variable> -#include <mutex> -#include <queue> -#include <atomic> -#include <type_traits> - -template <typename T> -class ProducerConsumerQueue -{ -private: - std::mutex _queueLock; - std::queue<T> _queue; - std::condition_variable _condition; - std::atomic<bool> _shutdown; - -public: - - ProducerConsumerQueue<T>() : _shutdown(false) { } - - void Push(const T& value) - { - std::lock_guard<std::mutex> lock(_queueLock); - _queue.push(std::move(value)); - - _condition.notify_one(); - } - - bool Empty() - { - std::lock_guard<std::mutex> lock(_queueLock); - - return _queue.empty(); - } - - bool Pop(T& value) - { - std::lock_guard<std::mutex> lock(_queueLock); - - if (_queue.empty() || _shutdown) - return false; - - value = _queue.front(); - - _queue.pop(); - - return true; - } - - void WaitAndPop(T& value) - { - std::unique_lock<std::mutex> lock(_queueLock); - - // we could be using .wait(lock, predicate) overload here but it is broken - // https://connect.microsoft.com/VisualStudio/feedback/details/1098841 - while (_queue.empty() && !_shutdown) - _condition.wait(lock); - - if (_queue.empty() || _shutdown) - return; - - value = _queue.front(); - - _queue.pop(); - } - - void Cancel() - { - std::unique_lock<std::mutex> lock(_queueLock); - - while (!_queue.empty()) - { - T& value = _queue.front(); - - DeleteQueuedObject(value); - - _queue.pop(); - } - - _shutdown = true; - - _condition.notify_all(); - } - -private: - template<typename E = T> - typename std::enable_if<std::is_pointer<E>::value>::type DeleteQueuedObject(E& obj) { delete obj; } - - template<typename E = T> - typename std::enable_if<!std::is_pointer<E>::value>::type DeleteQueuedObject(E const& /*packet*/) { } -}; - -#endif |