#include<stdio.h>
#include<sys/types.h>
#include<sys/signal.h>

void traitement (int sig)
{
 int i =0;
 if(sig = SIGUSR1) { printf("Signal SIGUSR1 recu\n"); i++; }
 else if(sig = SIGUSR2){ printf("Signal SIGUSR2 recu \n");i--;}
 else{
 printf("signal SIGINT reçu !\n");
 }
}

int main(int arg , char*argv[])
{
  struct sigaction action;
  sigset_t masque;
  int val[] = {1,2,3,4,5,6,7,8};
  int i =0;
 sigemptyset(&masque);
 action.sa_handler = traitement;
 action.sa_mask = masque;
 action.sa_flags = 0;



 sigaction(SIGUSR1,&action,NULL);
 sigaction(SIGUSR2,&action,NULL);
 printf("Mon pid est %d\n",getpid());
 while(1) { printf("%u", val[i]); kill(argv[1],10); kill(argv[2],12);
 }

 sigfillset(&masque);
 sigdelset(&masque,SIGINT);

 sigdelset(&masque, SIGUSR2);
 sigsuspend(&masque);


}