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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 "Thread.h"
#ifndef _WIN32
#include <pthread.h>
#endif
//#define DEBUG_MUTEX_LOCKER 1
#include <iostream>
namespace sv {
Thread::Thread(Type type, QObject *parent) :
QThread(parent),
m_type(type)
{
setStackSize(512 * 1024);
}
void
Thread::start()
{
QThread::start();
#ifndef _WIN32
struct sched_param param;
::memset(¶m, 0, sizeof(param));
if (m_type == RTThread) {
param.sched_priority = 5;
if (::pthread_setschedparam(pthread_self(), SCHED_FIFO, ¶m)) {
::perror("INFO: pthread_setschedparam to SCHED_FIFO failed");
}
} else {
if (::pthread_setschedparam(pthread_self(), SCHED_OTHER, ¶m)) {
::perror("WARNING: pthread_setschedparam to SCHED_OTHER failed");
}
}
#endif
}
MutexLocker::MutexLocker(QMutex *mutex, const char *name) :
m_profiler(name, false),
m_printer(name),
m_locker(mutex)
{
#ifdef DEBUG_MUTEX_LOCKER
cerr << "... locked mutex " << mutex << endl;
#endif
m_profiler.end();
}
MutexLocker::~MutexLocker()
{
}
MutexLocker::Printer::Printer(const char *name) :
m_name(name)
{
#ifdef DEBUG_MUTEX_LOCKER
cerr << "MutexLocker: Locking \"" << m_name << "\" in "
<< (void *)QThread::currentThreadId() << endl;
#else
(void)m_name;
#endif
}
MutexLocker::Printer::~Printer()
{
#ifdef DEBUG_MUTEX_LOCKER
cerr << "MutexLocker: Unlocking \"" << m_name
<< "\" in " << (void *)QThread::currentThreadId() << endl;
#endif
}
} // end namespace sv
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