annotate Mutex.h @ 9:d2d36e7d2276

more examples and some bug fixes

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
   Basic cross-platform mutex abstraction class.
   This file copyright 2007 Chris Cannam.
*/

#ifndef _MUTEX_H_
#define _MUTEX_H_

#ifdef _WIN32
#include <windows.h>
#else
#include <pthread.h>
#endif

class Mutex
{
public:
    Mutex();
    ~Mutex();

    void lock();
    void unlock();
    bool trylock();

private:
#ifdef _WIN32
    HANDLE m_mutex;
#ifndef NO_THREAD_CHECKS
    DWORD m_lockedBy;
#endif
#else
    pthread_mutex_t m_mutex;
#ifndef NO_THREAD_CHECKS
    pthread_t m_lockedBy;
    bool m_locked;
#endif
#endif
};

class MutexLocker
{
public:
    MutexLocker(Mutex *);
    ~MutexLocker();

private:
    Mutex *m_mutex;
};

#endif