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DEFINITIONS

This source file includes following definitions.
  1. my_exception
  2. main

   1 /*-
   2  * Copyright (c) 2005, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29 
  30 /*
  31  * exception.c - test kernel exception feature.
  32  */
  33 
  34 #include <sys/prex.h>
  35 #include <stdio.h>
  36 
  37 static void
  38 my_exception(int code)
  39 {
  40         printf("Get exception code=%x\n", code);
  41 
  42         exception_return();
  43 
  44         /* Control never comes here */
  45         panic("Ooops!");
  46 }
  47 
  48 int
  49 main(int argc, char *argv[])
  50 {
  51         task_t task;
  52 
  53         printf("Exception test program\n");
  54 
  55         timer_sleep(2000, 0);
  56 
  57         task = task_self();
  58 
  59         /* Install exception handler */
  60         exception_setup(my_exception);
  61 
  62         /* Raise some exception */
  63         exception_raise(task, 1);
  64         exception_raise(task, 2);
  65         exception_raise(task, 4);
  66         exception_raise(task, 8);
  67 
  68         /* Uninstall exception handler */
  69         exception_setup(EXC_DFL);
  70 
  71         /* Raise exception. This must be ignored */
  72         exception_raise(task, 1);
  73         timer_sleep(1000, 0);
  74 
  75         printf("OK\n");
  76         return 0;
  77 }

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