/**********************************************************/
/* DUT INFORMATIQUE - M311 - R. CHIGNOLI                  */                                                
/* demo_alarm.c : Utilisation du signal SIGALRM par alarm */                                                                                                                  
/**********************************************************/
 
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
#include <assert.h>
#include <unistd.h>

void rep_SIGALRM ()
{ printf ("\n*** Processus %d : Signal SIGALRM recu\n\n", getpid());
  exit(0);
}

int main (int argc, char* argv[])
{
 int res;
 assert (argc == 2);
 signal (SIGALRM,  rep_SIGALRM);
 printf ("\n*** Processus %d : Je m' endors ......\n", getpid());
 res = alarm (atoi(argv[1]));
 for (;;);
}