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Code: Alles auswählen

#include <iostream>
#include <cstdlib>

#include "bmidgl.h"
#include "threadapp.h"

using namespace std;

int main(int argc, char *argv[])
{

   std::cout << "Hello, world!" << std::endl;
  
  ThreadApp t;

  t.start(QThread::HighestPriority);

// Verhindert, dass das Programm zu früh beendet wird
  //mache was.........
  while (t.running())
  {}
  
  return EXIT_SUCCESS;
}

Code: Alles auswählen

#include <iostream>
#include <string>

#include <qfile.h>
#include <qtextstream.h>
#include <qstring.h>

#include <qthread.h>

class ThreadApp: public QThread{
public:
    ThreadApp();

    ~ThreadApp();

    
        void run();
        void stop();

    private:
        bool stopped;
};

Code: Alles auswählen

#include "threadapp.h"


ThreadApp::ThreadApp()
{
    this->stopped = false;
}


void ThreadApp::run()
{
    std::cout << "Thread is running..."<< std::endl;
}


void ThreadApp::stop()
{
    this->stopped = true;
}

Code: Alles auswählen

cd '/home/patrick/0_arbeit/gui4/debug' && WANT_AUTOCONF_2_5="1" WANT_AUTOMAKE_1_6="1" make -k 
make all-recursive
Making all in src
source='/home/patrick/0_arbeit/gui4/src/gui4.cpp' object='gui4.o' libtool=no depfile='.deps/gui4.Po' tmpdepfile='.deps/gui4.TPo' depmode=gcc3 /bin/sh /home/patrick/0_arbeit/gui4/depcomp g++ -DHAVE_CONFIG_H -I. -I/home/patrick/0_arbeit/gui4/src -I.. -I /usr/include/qt3/ -DQT_THREAD_SUPPORT -O0 -g3 -c -o gui4.o `test -f '/home/patrick/0_arbeit/gui4/src/gui4.cpp' || echo '/home/patrick/0_arbeit/gui4/src/'`/home/patrick/0_arbeit/gui4/src/gui4.cpp
source='/home/patrick/0_arbeit/gui4/src/threadapp.cpp' object='threadapp.o' libtool=no depfile='.deps/threadapp.Po' tmpdepfile='.deps/threadapp.TPo' depmode=gcc3 /bin/sh /home/patrick/0_arbeit/gui4/depcomp g++ -DHAVE_CONFIG_H -I. -I/home/patrick/0_arbeit/gui4/src -I.. -I /usr/include/qt3/ -DQT_THREAD_SUPPORT -O0 -g3 -c -o threadapp.o `test -f '/home/patrick/0_arbeit/gui4/src/threadapp.cpp' || echo '/home/patrick/0_arbeit/gui4/src/'`/home/patrick/0_arbeit/gui4/src/threadapp.cpp
/bin/sh ../libtool --mode=link g++ -DQT_THREAD_SUPPORT -O0 -g3 -o gui4 gui4.o bmidgl.o threadapp.o 
g++ -DQT_THREAD_SUPPORT -O0 -g3 -o gui4 gui4.o bmidgl.o threadapp.o 
gui4.o(.text+0x4f): In function `main':
/home/patrick/0_arbeit/gui4/src/gui4.cpp:41: undefined reference to `QThread::start(QThread::Priority)'
gui4.o(.text+0x5a):/home/patrick/0_arbeit/gui4/src/gui4.cpp:45: undefined reference to `QThread::running() const'
gui4.o(.text+0x69):/home/patrick/0_arbeit/gui4/src/gui4.cpp:48: undefined reference to `ThreadApp::~ThreadApp [in-charge]()'
...................................
1000 weitere Zeilen mit undefined reference to 

Code: Alles auswählen

//Konstruktor

    /* Shared Memory erzeugen */
    shID = shmget(2404, MAXMYMEM, IPC_CREAT | 0666);
    if (shID >= 0) {
        // nun holen wir den Speicher
        myPtr = (char*)shmat(shID, 0, 0);
        if (myPtr==(char *)-1) {
            log->logerror("ShardMemory Error: shmat");
        } else {
            initdone = 1;
            myPtr[0] = 0;
        }
    } else { /* shmget lief schief */
        log->logerror("shmget");
    }   

//--Methode zum schreiben der Nachricht------------------------------------------------------
    //wait until semaphor is free
    while(myPtr[0])
        sleep(1);
   
    //set Semaphor
    myPtr[0] = 1;
   
    //write to sharedmemory
    sprintf (myPtr+1, "hello world %d",count); 
   
    //unset Semaphor
    myPtr[0] =0;//write done
   
    //after 199 messages sign the end of the transfer.
    if (cont ==199)
        myPtr[0] =2;

Code: Alles auswählen

int main(int argc, char **argv)
{
    int shID;
    char *myPtr;
    int i;
    int count = 0;

    /* Existierenden Shared Memory zugreifen */
    shID = shmget(2404, MAXMYMEM, 0666);
    if (shID >= 0)
    {
        myPtr = (char*)shmat(shID, 0, 0);
        if (myPtr==(char *)-1)
        {
            std::cout <<"shmat"<<std::endl;
        }
        else
        {
            while(myPtr[0] !=2)
            {
                //myPtr[0] = 0 der kritische Abschnitt ist frei
                //myPtr[0] = 1 binaar ist im Kritischen Abschnitt
                //myPtr[0] = 2 Ende der Nachrichten
                
                 //wait until KA is free
                while(myPtr[0])
                   sleep(1);
                             
                   myPtr[0] = 1;
                   printf("%s",myPtr);  
                   myPtr[0] = 0;
            }
            shmdt(myPtr);
        }
    }
    else
    { /* shmget lief schief */
        std::cout <<"shmget" << std::endl;
    }
}