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librubberband/src/Thread.h

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2007-11-06 21:41:16 +00:00
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rubber Band
An audio time-stretching and pitch-shifting library.
Copyright 2007 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.
*/
#ifndef _RUBBERBAND_THREAD_H_
#define _RUBBERBAND_THREAD_H_
#include <pthread.h>
namespace RubberBand
{
class Thread
{
public:
typedef pthread_t Id;
Thread();
virtual ~Thread();
Id id();
void start();
void wait();
static bool threadingAvailable();
protected:
virtual void run() = 0;
private:
pthread_t m_id;
bool m_extant;
static void *staticRun(void *);
};
class Mutex
{
public:
Mutex();
~Mutex();
void lock();
void unlock();
bool trylock();
private:
pthread_mutex_t m_mutex;
};
class MutexLocker
{
public:
MutexLocker(Mutex *);
~MutexLocker();
private:
Mutex *m_mutex;
};
class Condition
{
public:
Condition();
~Condition();
void lock();
void wait(int us = 0);
void signal();
private:
pthread_mutex_t m_mutex;
bool m_locked;
pthread_cond_t m_condition;
};
}
#endif