Thread,Retransformation en orienté objet, probleme de lien static?
Bon, j'essaie de retransformer un fichier pour donner un coté OO propre.
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#include <pthread.h>
#include <iostream>
#include <unistd.h>
using std::cout;
using std::endl;
class Threads
{
private:
pthread_t leThread;
public:
Threads();
pthread_t* init();
static void* demarrer(void* thread);
virtual void traitement() {};
};
Threads::Threads()
{
}
pthread_t* Threads::init()
{
if(!pthread_create(&(this->leThread),NULL,Threads::demarrer,static_cast<void *>(this)))
{
cout << "Creation du thread" << endl;
return &(this->leThread);
}
else
{
cout << "Echec de la creation du thread" << endl;
exit(0);
}
}
static void* Threads::demarrer(void* thread)
{
static_cast<Threads *>(thread)->traitement();
pthread_exit(0);
} |
Mais ce bazar ne marche pas, la console rale.
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/TestInterface/lib$ c++ -g Thread.cpp -o Thread -lpthread
Thread.cpp:40: error: cannot declare member function ‘static void* Threads::demarrer(void*)’ to have static linkage |
alors que si je fais ca, ca marche :s
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#include <pthread.h>
#include <iostream>
#include <unistd.h>
using std::cout;
using std::endl;
class Threads
{
private:
pthread_t leThread;
public:
Threads();
pthread_t* init();
static void* demarrer(void* thread)
{
static_cast<Threads *>(thread)->traitement();
pthread_exit(0);
}
virtual void traitement() {};
};
Threads::Threads()
{
}
pthread_t* Threads::init()
{
if(!pthread_create(&(this->leThread),NULL,Threads::demarrer,static_cast<void *>(this)))
{
cout << "Creation du thread" << endl;
return &(this->leThread);
}
else
{
cout << "Echec de la creation du thread" << endl;
exit(0);
}
} |
une ame bien avisé pourrait m'éclairer? ;)
