Mercurial > hg > svcore
view base/Thread.cpp @ 337:a6fab10ff9e6 spectrogram-cache-rejig
* Merge last fix from trunk
author | Chris Cannam |
---|---|
date | Thu, 15 Nov 2007 14:03:56 +0000 |
parents | 85bf384db35f |
children | 115f60df1e4d |
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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> 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_printer(name), m_locker(mutex) { #ifdef DEBUG_MUTEX_LOCKER std::cerr << "... locked mutex " << mutex << std::endl; #endif } MutexLocker::~MutexLocker() { } MutexLocker::Printer::Printer(const char *name) : m_name(name) { #ifdef DEBUG_MUTEX_LOCKER std::cerr << "MutexLocker: Locking \"" << m_name << "\" in " << (void *)QThread::currentThreadId() << std::endl; #endif } MutexLocker::Printer::~Printer() { #ifdef DEBUG_MUTEX_LOCKER std::cerr << "MutexLocker: Unlocking \"" << m_name << "\" in " << (void *)QThread::currentThreadId() << std::endl; #endif }