change IVSysMan. Allow Only One IVSysMan Running.

src/tool/IVSysMan/main.cpp

@@ -1,5 +1,8 @@
 #include "mainwindow.h"
 #include <QApplication>
+#include <QSharedMemory>
+#include <QMessageBox>
+
 #include <string>
 #include "ivlog.h"
 
@@ -11,10 +14,83 @@ std::string locateInfoPath;
 iv::Ivlog * ivlog;
 iv::Ivfault * ivfault;
 
+#define USE_ONEIVSYSMAN
+
+
+extern bool gbOneThreadRunning ;
+extern bool gbOneThreadRun ;
+void threadOne(QSharedMemory * pshare,int ncount)
+{
+    while(gbOneThreadRun)
+    {
+        pshare->lock();
+        int * pdata = (int *)pshare->data();
+        if(*pdata != ncount)
+        {
+            *pdata = ncount;
+            qDebug("another thread want running.");
+        }
+        pshare->unlock();
+        std::this_thread::sleep_for(std::chrono::milliseconds(10));
+    }
+
+    gbOneThreadRunning = false;
+}
+
+
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
 
+#ifdef  USE_ONEIVSYSMAN
+
+    QSharedMemory shareMem("IVSysMan_Count");
+
+    int ncount = 0;
+    bool bHaveAnother = false;
+    if(shareMem.attach())
+    {
+        shareMem.lock();
+        int * pdata = (int *)shareMem.data();
+        ncount = (*pdata)+1;
+        qDebug("now IVSysMan_Count is %d",ncount);
+        *pdata = ncount;
+        shareMem.unlock();
+
+        std::this_thread::sleep_for(std::chrono::milliseconds(100));
+        shareMem.lock();
+        pdata = (int *)shareMem.data();
+        if(*pdata != ncount)
+        {
+            qDebug("Another IVSysMan Running");
+            bHaveAnother = true;
+        }
+        *pdata = ncount;
+        shareMem.unlock();
+
+    }
+    else
+    {
+        shareMem.create(100);
+        shareMem.lock();
+        int * pdata = (int *)shareMem.data();
+        *pdata = 1;
+        qDebug("now IVSysMan_Count is %d",*pdata);
+        shareMem.unlock();
+    }
+
+    if(bHaveAnother == true)
+    {
+        QMessageBox::warning(NULL,"Warning","Another IVSysMan Running.",QMessageBox::YesAll);
+        return 0;
+    }
+
+    void * ponethread = new std::thread(threadOne,&shareMem,ncount);
+    (void *)ponethread;
+
+
+#endif
+
     RegisterIVBackTrace();
 
     ivlog = new iv::Ivlog("IVSysMan");

src/tool/IVSysMan/mainwindow.cpp

@@ -16,6 +16,8 @@ static iv::Switch::settingsCmd  gsettingcmd;
 static bool gbupdatesetting = false;
 QMutex gMutexSetting;
 
+bool gbOneThreadRunning = true;
+bool gbOneThreadRun = true;
 
 
 void ListenChange(const char * strdata,const unsigned int nSize,const unsigned int index,const QDateTime * dt,const char * strmemname)
@@ -149,9 +151,10 @@ MainWindow::~MainWindow()
     qint64 time;
     time = QDateTime::currentMSecsSinceEpoch();
     mPM->requestInterruption();
+    gbOneThreadRun = false;
     while((QDateTime::currentMSecsSinceEpoch() - time)<1500)
     {
-        if(mPM->isFinished())
+        if((mPM->isFinished())&&(gbOneThreadRunning == false))
         {
             qDebug("finish");
             break;