mymutex.h

来自「linux下线程的创建、管理」· C头文件 代码 · 共 55 行

#ifndef MYMUTEX_H
#define MYMUTEX_H

class MyMutexPrivate;

class MyMutex
{
  friend class MyWaitCondition;
  friend class MyWaitConditionPrivate;

public:
        MyMutex ();
        virtual ~ MyMutex ();

  void lock ();
  void unlock ();
  bool locked ();
  bool tryLock ();

private:
       MyMutexPrivate * d;
};

class MyMutexLocker
{
public:
  MyMutexLocker (MyMutex *);
  ~MyMutexLocker ();

  MyMutex *mutex () const;

private:
        MyMutex * mtx;
};

inline MyMutexLocker::MyMutexLocker (MyMutex * m):
mtx (m)
{
  if (mtx)
    mtx->lock ();
}

inline MyMutexLocker::~MyMutexLocker ()
{
  if (mtx)
    mtx->unlock ();
}

inline MyMutex *MyMutexLocker::mutex () const
{
  return mtx;
}

#endif