xref: /trunk/main/cppu/source/threadpool/jobqueue.hxx (revision c6ed87c9)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



#ifndef _CPPU_THREADPOOL_JOBQUEUE_HXX_
#define _CPPU_THREADPOOL_JOBQUEUE_HXX_

#include <list>
#include <sal/types.h>

#include <osl/conditn.h>
#include <osl/mutex.hxx>

#include <boost/shared_ptr.hpp>

namespace cppu_threadpool
{
    extern "C" typedef void (SAL_CALL RequestFun)(void *);

	struct Job
	{
		void *pThreadSpecificData;
		RequestFun * doRequest;
	};

	typedef	::std::list	< struct Job > JobList;

	typedef	::std::list	< sal_Int64 > CallStackList;

	class DisposedCallerAdmin;
	typedef boost::shared_ptr<DisposedCallerAdmin> DisposedCallerAdminHolder;

	class JobQueue
	{
	public:
		JobQueue();
		~JobQueue();

		void add( void *pThreadSpecificData, RequestFun * doRequest );

		void *enter( sal_Int64 nDisposeId , sal_Bool bReturnWhenNoJob = sal_False );
		void dispose( sal_Int64 nDisposeId );

		void suspend();
		void resume();

		sal_Bool isEmpty();
		sal_Bool isCallstackEmpty();
		sal_Bool isBusy();

	private:
		::osl::Mutex m_mutex;
		JobList      m_lstJob;
		CallStackList m_lstCallstack;
		sal_Int32 m_nToDo;
		sal_Bool m_bSuspended;
		oslCondition m_cndWait;
		DisposedCallerAdminHolder m_DisposedCallerAdmin;
	};
}

#endif