mirror of https://github.com/PCSX2/pcsx2.git
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: wx/recguard.h
|
|
// Purpose: declaration and implementation of wxRecursionGuard class
|
|
// Author: Vadim Zeitlin
|
|
// Modified by:
|
|
// Created: 14.08.2003
|
|
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
|
|
// Licence: wxWindows licence
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_RECGUARD_H_
|
|
#define _WX_RECGUARD_H_
|
|
|
|
#include "wx/defs.h"
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxRecursionGuardFlag is used with wxRecursionGuard
|
|
// ----------------------------------------------------------------------------
|
|
|
|
typedef int wxRecursionGuardFlag;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxRecursionGuard is the simplest way to protect a function from reentrancy
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxRecursionGuard
|
|
{
|
|
public:
|
|
wxRecursionGuard(wxRecursionGuardFlag& flag)
|
|
: m_flag(flag)
|
|
{
|
|
m_isInside = flag++ != 0;
|
|
}
|
|
|
|
~wxRecursionGuard()
|
|
{
|
|
wxASSERT_MSG( m_flag > 0, wxT("unbalanced wxRecursionGuards!?") );
|
|
|
|
m_flag--;
|
|
}
|
|
|
|
bool IsInside() const { return m_isInside; }
|
|
|
|
private:
|
|
wxRecursionGuardFlag& m_flag;
|
|
|
|
// true if the flag had been already set when we were created
|
|
bool m_isInside;
|
|
};
|
|
|
|
#endif // _WX_RECGUARD_H_
|
|
|