view base/NonRTThread.cpp @ 97:22494cc28c9f

* Reduce number of allocations and deallocations by keeping a spare buffer around (we were generally deallocating and then immediately allocating again, so it's much better not to have to bother as very large allocations can tie up the system)
author Chris Cannam
date Thu, 04 May 2006 20:17:28 +0000
parents 1aebdc68ec6d
children 9a44ccae165c
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2006 Chris Cannam.
    
    This program 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
    COPYING included with this distribution for more information.
*/

#include "NonRTThread.h"

#include <pthread.h>

NonRTThread::NonRTThread(QObject *parent) :
    QThread(parent)
{
    setStackSize(512 * 1024);
}

void
NonRTThread::start()
{
    QThread::start();

#ifndef Q_WS_WIN32
    struct sched_param param;
    ::memset(&param, 0, sizeof(param));

    if (::pthread_setschedparam(pthread_self(), SCHED_OTHER, &param)) {
        ::perror("pthread_setschedparam to SCHED_OTHER failed");
    }
#endif
}