/*
   AngelCode Scripting Library
   Copyright (c) 2003-2008 Andreas Jonsson

   This software is provided 'as-is', without any express or implied
   warranty. In no event will the authors be held liable for any
   damages arising from the use of this software.

   Permission is granted to anyone to use this software for any
   purpose, including commercial applications, and to alter it and
   redistribute it freely, subject to the following restrictions:

   1. The origin of this software must not be misrepresented; you
      must not claim that you wrote the original software. If you use
      this software in a product, an acknowledgment in the product
      documentation would be appreciated but is not required.

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

   3. This notice may not be removed or altered from any source
      distribution.

   The original version of this library can be located at:
   http://www.angelcode.com/angelscript/

   Andreas Jonsson
   andreas@angelcode.com
*/

//
// as_criticalsection.h
//
// Classes for multi threading support
//

#ifndef AS_CRITICALSECTION_H
#define AS_CRITICALSECTION_H

#include "as_config.h"

BEGIN_AS_NAMESPACE

#ifdef AS_NO_THREADS

#define DECLARECRITICALSECTION(x)
#define ENTERCRITICALSECTION(x)
#define LEAVECRITICALSECTION(x)

#else

#define DECLARECRITICALSECTION(x) asCThreadCriticalSection x
#define ENTERCRITICALSECTION(x) x.Enter()
#define LEAVECRITICALSECTION(x) x.Leave()

#ifdef AS_POSIX_THREADS

END_AS_NAMESPACE
#include <pthread.h>
BEGIN_AS_NAMESPACE

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

  void Enter();
  void Leave();

protected:
  pthread_mutex_t criticalSection;
};

#elif defined(AS_WINDOWS_THREADS)

END_AS_NAMESPACE
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
BEGIN_AS_NAMESPACE

// Undefine macros that cause problems in our code
#undef GetObject

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

  void Enter();
  void Leave();

protected:
  CRITICAL_SECTION criticalSection;
};

#endif

#endif

END_AS_NAMESPACE

#endif