#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>

main()
{
        struct sigaction sa;

        memset(&sa, 0, sizeof(sa));
#ifdef _LP64
        sa.sa_handler = (void *)0x0000800000000000;
#else
        sa.sa_handler = -1;
#endif
        if (sigaction(SIGALRM, &sa, NULL)) {
                perror("sigaction");
                exit(1);
        }
        kill(getpid(), SIGALRM);
        while (1);
}