threads_1/win32/h/mutex_sem.mutex.hpp

/*

threads_1: Multithreading support library
Yauheni A. Akhotnikau (C) 2002-2003
eao197@yahoo.com
-------------------------------------------------

Permission is granted to anyone to use this software for any purpose on any
computer system, and to redistribute it freely, subject to the following
restrictions:

1. This software is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

2. The origin of this software must not be misrepresented, either by
   explicit claim or by omission.

3. Altered versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

-------------------------------------------------

*/
#if !defined( _THREADS_1__WIN32__MUTEX_SEM_HPP_ )
#define _THREADS_1__WIN32__MUTEX_SEM_HPP_

#define WIN32_LEAN_AND_MEAN
#include <windows.h>

#include <cpp_util_2/h/nocopy.hpp>

namespace threads_1
{

class _os_mutex_sem_t :
  public cpp_util_2::nocopy_t
{
  private :
    HANDLE  m_sem;

  public :
    inline
    _os_mutex_sem_t()
    {
      m_sem = CreateMutex( 0, FALSE, 0 );
    }
    inline
    ~_os_mutex_sem_t()
    {
      CloseHandle( m_sem );
    }

    inline void
    lock()
    {
      WaitForSingleObject( m_sem, INFINITE );
    }

    inline void
    release()
    {
      ReleaseMutex( m_sem );
    }
};

} /* namespace threads_1 */

#endif

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