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+/* -*- 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 <mutex>
+#include <vector>
+#include <unordered_map>
+
+#include <osl/conditn.hxx>
+#include <osl/mutex.hxx>
+#include <rtl/byteseq.hxx>
+#include <rtl/ref.hxx>
+#include <salhelper/simplereferenceobject.hxx>
+
+#include "jobqueue.hxx"
+
+
+namespace cppu_threadpool {
+ class ORequestThread;
+
+ struct EqualThreadId
+ {
+ bool operator () ( const ::rtl::ByteSequence &a , const ::rtl::ByteSequence &b ) const
+ {
+ return a == b;
+ }
+ };
+
+ struct HashThreadId
+ {
+ sal_Int32 operator () ( const ::rtl::ByteSequence &a ) const
+ {
+ if( a.getLength() >= 4 )
+ {
+ return *reinterpret_cast<sal_Int32 const *>(a.getConstArray());
+ }
+ return 0;
+ }
+ };
+
+ typedef std::unordered_map
+ <
+ ::rtl::ByteSequence, // ThreadID
+ std::pair < JobQueue * , JobQueue * >,
+ HashThreadId,
+ EqualThreadId
+ > ThreadIdHashMap;
+
+ struct WaitingThread
+ {
+ osl::Condition condition;
+ rtl::Reference< ORequestThread > thread;
+
+ explicit WaitingThread(
+ rtl::Reference<ORequestThread> theThread);
+ };
+
+ typedef std::deque< struct ::cppu_threadpool::WaitingThread * > WaitingThreadDeque;
+
+ class DisposedCallerAdmin;
+ typedef std::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;
+
+ class DisposedCallerAdmin
+ {
+ public:
+ ~DisposedCallerAdmin();
+
+ static DisposedCallerAdminHolder const & getInstance();
+
+ void dispose( void const * nDisposeId );
+ void destroy( void const * nDisposeId );
+ bool isDisposed( void const * nDisposeId );
+
+ private:
+ std::mutex m_mutex;
+ std::vector< void const * > m_vector;
+ };
+
+ class ThreadAdmin
+ {
+ public:
+ ThreadAdmin();
+ ~ThreadAdmin ();
+
+ void remove( rtl::Reference< ORequestThread > const & );
+ void join();
+
+ bool add_locked( rtl::Reference< ORequestThread > const & );
+ void remove_locked( rtl::Reference< ORequestThread > const & );
+ std::mutex m_mutex;
+
+ private:
+ std::deque< rtl::Reference< ORequestThread > > m_deque;
+ bool m_disposed;
+ };
+
+ class ThreadPool;
+ typedef rtl::Reference<ThreadPool> ThreadPoolHolder;
+
+ class ThreadPool: public salhelper::SimpleReferenceObject
+ {
+ public:
+ ThreadPool();
+ virtual ~ThreadPool() override;
+
+ void dispose( void const * nDisposeId );
+ void destroy( void const * nDisposeId );
+
+ bool addJob( const ::rtl::ByteSequence &aThreadId,
+ bool bAsynchron,
+ void *pThreadSpecificData,
+ RequestFun * doRequest,
+ void const * disposeId );
+
+ void prepare( const ::rtl::ByteSequence &aThreadId );
+ void * enter( const ::rtl::ByteSequence &aThreadId, void const * nDisposeId );
+
+ /********
+ * @return true, if queue could be successfully revoked.
+ ********/
+ bool revokeQueue( const ::rtl::ByteSequence & aThreadId , bool bAsynchron );
+
+ void waitInPool( rtl::Reference< ORequestThread > const & pThread );
+
+ void joinWorkers();
+
+ ThreadAdmin & getThreadAdmin() { return m_aThreadAdmin; }
+
+ private:
+ bool createThread( JobQueue *pQueue, const ::rtl::ByteSequence &aThreadId, bool bAsynchron);
+
+
+ ThreadIdHashMap m_mapQueue;
+ std::mutex m_mutex;
+
+ std::mutex m_mutexWaitingThreadList;
+ WaitingThreadDeque m_dequeThreads;
+
+ DisposedCallerAdminHolder m_DisposedCallerAdmin;
+ ThreadAdmin m_aThreadAdmin;
+ };
+
+} // end namespace cppu_threadpool
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */