home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
wxos2233.zip
/
wxOS2-2_3_3.zip
/
wxWindows-2.3.3
/
include
/
wx
/
snglinst.h
< prev
next >
Wrap
C/C++ Source or Header
|
2002-08-31
|
2KB
|
68 lines
///////////////////////////////////////////////////////////////////////////////
// Name: wx/snglinst.h
// Purpose: wxSingleInstanceChecker can be used to restrict the number of
// simultaneously running copies of a program to one
// Author: Vadim Zeitlin
// Modified by:
// Created: 08.06.01
// RCS-ID: $Id: snglinst.h,v 1.4 2002/08/31 11:29:11 GD Exp $
// Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_SNGLINST_H_
#define _WX_SNGLINST_H_
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "snglinst.h"
#endif
#if wxUSE_SNGLINST_CHECKER
// ----------------------------------------------------------------------------
// wxSingleInstanceChecker
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxSingleInstanceChecker
{
public:
// default ctor, use Create() after it
wxSingleInstanceChecker() { Init(); }
// like Create() but no error checking (dangerous!)
wxSingleInstanceChecker(const wxString& name,
const wxString& path = wxEmptyString)
{
Init();
Create(name, path);
}
// name must be given and be as unique as possible, it is used as the mutex
// name under Win32 and the lock file name under Unix -
// wxTheApp->GetAppName() may be a good value for this parameter
//
// path is optional and is ignored under Win32 and used as the directory to
// create the lock file in under Unix (default is wxGetHomeDir())
//
// returns FALSE if initialization failed, it doesn't mean that another
// instance is running - use IsAnotherRunning() to check it
bool Create(const wxString& name, const wxString& path = wxEmptyString);
// is another copy of this program already running?
bool IsAnotherRunning() const;
// dtor is not virtual, this class is not meant to be used polymorphically
~wxSingleInstanceChecker();
private:
// common part of all ctors
void Init() { m_impl = NULL; }
// the implementation details (platform specific)
class WXDLLEXPORT wxSingleInstanceCheckerImpl *m_impl;
};
#endif // wxUSE_SNGLINST_CHECKER
#endif // _WX_SNGLINST_H_