core/sql/cli/CliSemaphore.h

/**********************************************************************
// @@@ START COPYRIGHT @@@
//
// Licensed to the Apache Software Foundation (ASF) under one
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#ifndef CLI_SEMAPHORE_H
#define CLI_SEMAPHORE_H 1

/* -*-C++-*-
******************************************************************************
*
* File:         CLISemaphore.h
* Description:  Header file containing CLI Semaphore implementation.
*               
* Created:      7/21/97
* Language:     C++
*
*
*
******************************************************************************
*/



#ifndef NA_NO_GLOBAL_EXE_VARS
#ifndef CLI_GLOBALS_DEF_
#include "Globals.h"
class CLISemaphore;

extern CliGlobals *cli_globals;
extern CLISemaphore *getCliSemaphore();
#endif
#endif

// define the semaphore functions and mechanism
class CLISemaphore
{
private:
   CRITICAL_SECTION cs;
public:
   void  get();
   void  release();
   CLISemaphore();
  ~CLISemaphore();
};

inline void CLISemaphore::get()
{
   EnterCriticalSection(&cs);

}

inline void CLISemaphore::release()
{

   LeaveCriticalSection(&cs);
}

inline CLISemaphore::CLISemaphore()
{
   InitializeCriticalSection(&cs);
}

inline CLISemaphore::~CLISemaphore()
{
   DeleteCriticalSection(&cs);
}

extern CLISemaphore globalSemaphore;

#endif