signals.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Sat, 15 Aug 2009 23:05:54 +0200
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/**
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 * signals.c
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 * Copyright (C) 2008 Markus Broeker
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 */
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#ifndef _XOPEN_SOURCE
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#define _XOPEN_SOURCE 500
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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void sigproc ()
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{
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    signal (SIGINT, sigproc);
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    printf ("I received the SIGINT Signal\n");
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}
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void sigquit ()
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{
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    printf ("I received the SIGQUIT Signal\n");
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    /*
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     *  0 kills every process in the current process group
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     * -1 kills all reachable user processes (dangerous, logout)
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     */
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    kill (0, SIGKILL);
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}
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int main (int argc, char **argv)
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{
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    signal (SIGINT, sigproc);
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    signal (SIGQUIT, sigquit);
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    printf ("PRESS CTRL-\\ to quit\n");
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    for (;;);
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    return EXIT_SUCCESS;
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}