/**

 * asm/main.c

 * Copyright (C) 2008 Markus Broeker

 */

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <signal.h>

#ifndef TIMEOUT

#define TIMEOUT 500

#endif

int get_sp ();

void sigendian ()

{

    unsigned short word = 0x1234;

    unsigned char *p = (unsigned char *)&word;

    signal (SIGUSR1, sigendian);

    printf ("%s Endian System\n", (p[0] == 0x34) ? "Little" : "Big");

}

void sigproc ()

{

    signal (SIGINT, sigproc);

    printf ("Stack-Pointer is at %08x\n", get_sp ());

}

void sigquit ()

{

    printf ("Hmm... You got it, man!\n");

    exit (0);

}

int main (int argc, char **argv)

{

    signal (SIGINT, sigproc);

    signal (SIGUSR1, sigendian);

    signal (SIGQUIT, sigquit);

    for (;;)

        usleep (TIMEOUT);

    return EXIT_FAILURE;

}