CiftiMutex.h
#ifndef __CIFTI_MUTEX_H__
#define __CIFTI_MUTEX_H__
/*LICENSE_START*/
/*
* Copyright (c) 2016, Washington University School of Medicine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef _OPENMP
#define __CIFTI_MUTEX_H_HAVE_IMPL__
#include "omp.h"
namespace cifti
{
class CiftiMutex
{
omp_lock_t m_lock;
public:
CiftiMutex(const CiftiMutex&) { omp_init_lock(&m_lock); };//allow copy, assign, but make them do nothing other than default construct
CiftiMutex& operator=(const CiftiMutex&) { return *this; };
CiftiMutex() { omp_init_lock(&m_lock); }
~CiftiMutex() { omp_destroy_lock(&m_lock); }
friend class CiftiMutexLocker;
};
class CiftiMutexLocker
{
CiftiMutex* m_mutex;
CiftiMutexLocker();//disallow default construction, assign
CiftiMutexLocker& operator=(const CiftiMutexLocker& rhs);
public:
CiftiMutexLocker(CiftiMutex* mutex) { m_mutex = mutex; omp_set_lock(&(m_mutex->m_lock)); }
~CiftiMutexLocker() { omp_unset_lock(&(m_mutex->m_lock)); }
};
}
#else //_OPENMP
#ifdef CIFTILIB_USE_QT
#define __CIFTI_MUTEX_H_HAVE_IMPL__
#include <QMutex>
namespace cifti
{
typedef QMutex CiftiMutex;
typedef QMutexLocker CiftiMutexLocker;
}
#endif //CIFTILIB_USE_QT
#ifdef CIFTILIB_USE_XMLPP
#define __CIFTI_MUTEX_H_HAVE_IMPL__
#include <glibmm/thread.h>
namespace cifti
{
typedef Glib::Mutex CiftiMutex;
//API difference: glib's locker class takes a reference, while QT's takes a pointer
class CiftiMutexLocker
{
CiftiMutex* m_mutex;
CiftiMutexLocker();//disallow default construction, assign
CiftiMutexLocker& operator=(const CiftiMutexLocker& rhs);
public:
CiftiMutexLocker(CiftiMutex* mutex) { m_mutex = mutex; m_mutex->lock(); }
~CiftiMutexLocker() { m_mutex->unlock(); }
};
}
#endif //CIFTILIB_USE_XMLPP
#endif //_OPENMP
#ifndef __CIFTI_MUTEX_H_HAVE_IMPL__
#error "you must have openmp support, or define either CIFTILIB_USE_QT or CIFTILIB_USE_XMLPP to select what mutex implementation to use"
#endif
#endif //__CIFTI_MUTEX_H__
cifti
namespace for all CiftiLib functionality
Definition CiftiBrainModelsMap.h:42