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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed 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.txt
*
* 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 itkThreadJob_h
#define itkThreadJob_h
#include "itkMacro.h"
#include "itkThreadSupport.h"
#if defined(ITK_USE_PTHREADS)
#include <pthread.h>
#include <semaphore.h>
#include <unistd.h> // for sleep
#elif defined(ITK_USE_WIN32_THREADS)
#include <windows.h>
#endif
#if defined __APPLE__
#include <mach/mach_init.h>
#include <mach/mach_error.h>
#include <mach/semaphore.h>
#include <mach/task.h>
#include <mach/task_info.h>
#endif
namespace itk
{
/**
* \class ThreadJob
*
* \brief This class is used to submit jobs to the thread pool.
*
* The thread job contains information of the submitted job:
* the function to be executed in parallel
* the function's argument
* a pointer to the semaphore to wait on for job completion.
*
* \ingroup OSSystemObjects
* \ingroup ITKCommon
*/
struct ThreadJob
{
public:
#if defined(ITK_USE_PTHREADS) && defined(__APPLE__)
typedef semaphore_t Semaphore;
#elif defined(ITK_USE_WIN32_THREADS)
typedef HANDLE Semaphore;
#elif defined(ITK_USE_PTHREADS)
typedef sem_t Semaphore;
#else
#error Unknown thread system!
#endif
ThreadJob() :
m_ThreadFunction(ITK_NULLPTR),
m_Semaphore(ITK_NULLPTR),
m_UserData(ITK_NULLPTR)
{
}
~ThreadJob()
{
}
/** Function that will be called. */
#if defined(_WIN32) || defined(_WIN64)
ThreadFunctionType m_ThreadFunction;
#else
void * (*m_ThreadFunction)(void *ptr);
#endif
/** This is the Job's id. Used for waiting on this job's completion. */
Semaphore * m_Semaphore;
/** Stores the user's data that needs to be passed into the function. */
void * m_UserData;
};
} // end namespace itk
#endif // itkThreadJob_h
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