mutex.cpp

来自「Jabber code library, developed with c」· C++ 代码 · 共 111 行

/*
  Copyright (c) 2007-2008 by Jakob Schroeter <[e-mail]>
  This file is part of the gloox library. http://camaya.net/gloox

  This software is distributed under a license. The full license
  agreement can be found in the file LICENSE in this distribution.
  This software may not be copied, modified, sold or distributed
  other than expressed in the named license agreement.

  This software is distributed without any warranty.
*/


#include "mutex.h"

#if !defined( _WIN32 ) && !defined( _WIN32_WCE )
# include "config.h"
#endif

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

#ifdef _WIN32_WCE
# include <winbase.h>
#endif

#ifdef HAVE_PTHREAD
# include <pthread.h>
#endif

namespace gloox
{

  class MutexImpl
  {
    public:
      MutexImpl();
      ~MutexImpl();
      void lock();
      void unlock();
    private:
      MutexImpl( const MutexImpl& );
      MutexImpl& operator=( const MutexImpl& );

#ifdef _WIN32
      CRITICAL_SECTION m_cs;
#elif defined( HAVE_PTHREAD )
      pthread_mutex_t m_mutex;
#endif

  };

  MutexImpl::MutexImpl()
  {
#ifdef _WIN32
    InitializeCriticalSection( &m_cs );
#elif defined( HAVE_PTHREAD )
    pthread_mutex_init( &m_mutex, 0 );
#endif
  }

  MutexImpl::~MutexImpl()
  {
#ifdef _WIN32
    DeleteCriticalSection( &m_cs );
#elif defined( HAVE_PTHREAD )
    pthread_mutex_destroy( &m_mutex );
#endif
  }

  void MutexImpl::lock()
  {
#ifdef _WIN32
    EnterCriticalSection( &m_cs );
#elif defined( HAVE_PTHREAD )
    pthread_mutex_lock( &m_mutex );
#endif
  }

  void MutexImpl::unlock()
  {
#ifdef _WIN32
    LeaveCriticalSection( &m_cs );
#elif defined( HAVE_PTHREAD )
    pthread_mutex_unlock( &m_mutex );
#endif
  }

  Mutex::Mutex()
    : m_mutex( new MutexImpl() )
  {
  }

  Mutex::~Mutex()
  {
    delete m_mutex;
  }

  void Mutex::lock()
  {
    m_mutex->lock();
  }

  void Mutex::unlock()
  {
    m_mutex->unlock();
  }

}