Visual Servoing Platform  version 3.2.0 under development (2018-10-24)
testMutex.cpp

Test mutexes and threading capabilities.

/****************************************************************************
*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2017 by Inria. All rights reserved.
*
* This software 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.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact Inria about acquiring a ViSP Professional
* Edition License.
*
* See http://visp.inria.fr for more information.
*
* This software was developed at:
* Inria Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
*
* If you have questions regarding the use of this file, please contact
* Inria at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Description:
* Test threading capabilities.
*
* Authors:
* Fabien Spindler
*
*****************************************************************************/
#include <iostream>
#include <visp3/core/vpMutex.h>
#include <visp3/core/vpThread.h>
#if defined(VISP_HAVE_PTHREAD) || (defined(_WIN32) && !defined(WINRT_8_0))
int thread_counter = 0;
vpMutex mutex;
{
mutex.lock();
unsigned int thread_id = *((unsigned int *)args);
std::cout << "Started job " << thread_counter << " with id " << thread_id << std::endl;
for (unsigned long i = 0; i < (0xFFFF); i++) {
};
std::cout << "Ended job " << thread_counter << std::endl;
thread_counter++;
mutex.unlock();
return 0;
}
int main(void)
{
unsigned int nthread = 10;
vpThread *thread = new vpThread[nthread];
unsigned int *thread_id = new unsigned int[nthread];
for (unsigned int i = 0; i < nthread; i++) {
thread_id[i] = i;
thread[i].create((vpThread::Fn)&doSomeThing, (vpThread::Args)&thread_id[i]);
}
delete[] thread;
delete[] thread_id;
return 0;
}
#else
int main()
{
#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))) // UNIX
std::cout << "You should enable pthread usage and rebuild ViSP..." << std::endl;
#else
std::cout << "Multi-threading seems not supported on this platform" << std::endl;
#endif
}
#endif