macOS/thread.hpp

Go to the documentation of this file.

/*
 *  RPLIDAR SDK
 *
 *  Copyright (c) 2009 - 2014 RoboPeak Team
 *  http://www.robopeak.com
 *  Copyright (c) 2014 - 2016 Shanghai Slamtec Co., Ltd.
 *  http://www.slamtec.com
 *
 */
/*
 * 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.
 *
 */

#include "arch/macOS/arch_macOS.h"

namespace rp{ namespace hal{

Thread Thread::create(thread_proc_t proc, void * data)
{
    Thread newborn(proc, data);
    
    // tricky code, we assume pthread_t is not a structure but a word size value
    assert( sizeof(newborn._handle) >= sizeof(pthread_t));

    pthread_create((pthread_t *)&newborn._handle, NULL,(void * (*)(void *))proc, data);

    return newborn;
}

u_result Thread::terminate()
{
    if (!this->_handle) return RESULT_OK;
    
  //  return pthread_cancel((pthread_t)this->_handle)==0?RESULT_OK:RESULT_OPERATION_FAIL;
    return RESULT_OK;
}

u_result Thread::setPriority( priority_val_t p)
{
        if (!this->_handle) return RESULT_OPERATION_FAIL;
    // simply ignore this request
        return  RESULT_OK;
}

Thread::priority_val_t Thread::getPriority()
{
        return PRIORITY_NORMAL;
}

u_result Thread::join(unsigned long timeout)
{
    if (!this->_handle) return RESULT_OK;
    
    pthread_join((pthread_t)(this->_handle), NULL);
    return RESULT_OK;
}

}}