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authorStormBytePP <stormbyte@gmail.com>2015-08-19 19:02:10 +0200
committerStormBytePP <stormbyte@gmail.com>2015-08-21 17:52:42 +0200
commit1d2aafd39bcb79a67357d198ce9b2345642fdd39 (patch)
treec32cf1c3717625c60da59c82ba5a4fca2530119a /src/server/shared/Threading/ProducerConsumerQueue.h
parent172293acee1607727ebd8070ab3e1390590d02a8 (diff)
Core/Build: Merge common library and move database out of shared
Diffstat (limited to 'src/server/shared/Threading/ProducerConsumerQueue.h')
-rw-r--r--src/server/shared/Threading/ProducerConsumerQueue.h112
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 223f5109545..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