Colony » Colony Scout

/*-

 * Copyright (c) 2005, Kohsuke Ohtani

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

/*

 * exception.c - test kernel exception feature.

 */

#include <sys/prex.h>

#include <stdio.h>

static void

my_exception(int code)

{

        printf("Get exception code=%x\n", code);

        exception_return();

        /* Control never comes here */

        panic("Ooops!");

}

int

main(int argc, char *argv[])

{

        task_t task;

        printf("Exception test program\n");

        timer_sleep(2000, 0);

        task = task_self();

        /* Install exception handler */

        exception_setup(my_exception);

        /* Raise some exception */

        exception_raise(task, 1);

        exception_raise(task, 2);

        exception_raise(task, 4);

        exception_raise(task, 8);

        /* Uninstall exception handler */

        exception_setup(EXC_DFL);

        /* Raise exception. This must be ignored */

        exception_raise(task, 1);

        timer_sleep(1000, 0);

        printf("OK\n");

        return 0;

}