D:/opendownloadmanager/ODM-1.x/Web Interface/vmsSingleInstance.cpp Source File

00001 /*
00002   Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
00003   Open Download Manager Copyright (c) 2008 OpenDownloadManager.ORG
00004 */        
00005 
00006 #include "stdafx.h"
00007 #include "vmsSingleInstance.h"
00008 
00009 #ifdef _DEBUG
00010 #undef THIS_FILE
00011 static char THIS_FILE[]=__FILE__;
00012 #define new DEBUG_NEW
00013 #endif        
00014 
00015 vmsSingleInstance::vmsSingleInstance(LPCSTR pszAppName)
00016 {
00017         
00018         m_hmx = CreateMutex (NULL, FALSE, pszAppName);
00019         
00020         if (GetLastError () == ERROR_ALREADY_EXISTS)
00021         {
00022                 
00023                 
00024                 CloseHandle (m_hmx);
00025                 m_hmx = NULL;
00026         }
00027 }
00028 
00029 vmsSingleInstance::~vmsSingleInstance()
00030 {
00031 
00032 }
00033 
00034 BOOL vmsSingleInstance::is_1stInstance()
00035 {
00036         return m_hmx != NULL;
00037 }
00038 
00039 void vmsSingleInstance::set_1stInstanceHWND(HWND hwnd)
00040 {
00041         
00042 }
00043 
00044 HWND vmsSingleInstance::get_1stInstanceHWND()
00045 {
00046         return NULL;
00047 }
00048 
00049 void vmsSingleInstance::Shutdown1stInstance()
00050 {
00051         PostMessage (get_1stInstanceHWND (), WM_APP_NEEDSHUTDOWN, 0, 0);
00052 }
00053 
00054 void vmsSingleInstance::FreeInstance()
00055 {
00056         if (m_hmx) {
00057                 CloseHandle (m_hmx);
00058                 m_hmx = NULL;
00059         }
00060 }