Pending Signals

#include <stdio.h>
#include <signal.h>
 
int main ()
{
    sigset_t newset, pending;
 
    sigemptyset (&newset);
    sigaddset (&newset,SIGINT);
    sigaddset (&newset,SIGQUIT);
    sigprocmask (SIG_BLOCK,&newset,NULL);
 
    printf ("Press ^C or ^\\ in the next 5 seconds\n");
    sleep(5);
 
    sigpending (&pending);
 
    if (sigismember(&pending,SIGQUIT)) 
        printf ("SIGQUIT is pending");
 
    if (sigismember(&pending,SIGINT)) 
        printf ("SIGINT is pending");
 
    return 0;
 
}