/*
 Programming with pthread: cancelability state: 
 pthread2.c++   
 $ g++ -Wall pthread2.c++ -lpthread
 $ ./a.out           
*/
#include <iostream>
using namespace std;
#include <unistd.h>
#include <pthread.h>
#define MAXLOOP 15

void * thread(void *) ;
int tS, *tSP;

int main() {  
     pthread_t tid; // pthread2.c++

     pthread_create(&tid, NULL, thread, NULL); 
     pthread_cancel(tid);     
     pthread_join(tid, (void **)&tSP);
     // cout << "Thread status: " << *tSP << endl;

     return 0 ;
}
void *thread(void *vp) {
     pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
     for(int i=1; i<= MAXLOOP; ++i) {
        sleep(1);
        if(i==10)
           pthread_setcancelstate(
              PTHREAD_CANCEL_ENABLE, NULL);
        cout << "Thread Running: " << i << endl;
     }
     tS = 1;
     pthread_exit((void *)&tS) ;
}