scoutos / prex-0.9.0 / usr / test / exception / exception.c @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*-
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2 | * Copyright (c) 2005, Kohsuke Ohtani
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the author nor the names of any co-contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | /*
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31 | * exception.c - test kernel exception feature.
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32 | */
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33 | |||
34 | #include <sys/prex.h> |
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35 | #include <stdio.h> |
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36 | |||
37 | static void |
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38 | my_exception(int code)
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39 | { |
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40 | printf("Get exception code=%x\n", code);
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41 | |||
42 | exception_return(); |
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43 | |||
44 | /* Control never comes here */
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45 | panic("Ooops!");
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46 | } |
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47 | |||
48 | int
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49 | main(int argc, char *argv[]) |
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50 | { |
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51 | task_t task; |
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52 | |||
53 | printf("Exception test program\n");
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54 | |||
55 | timer_sleep(2000, 0); |
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56 | |||
57 | task = task_self(); |
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58 | |||
59 | /* Install exception handler */
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60 | exception_setup(my_exception); |
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61 | |||
62 | /* Raise some exception */
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63 | exception_raise(task, 1);
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64 | exception_raise(task, 2);
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65 | exception_raise(task, 4);
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66 | exception_raise(task, 8);
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67 | |||
68 | /* Uninstall exception handler */
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69 | exception_setup(EXC_DFL); |
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70 | |||
71 | /* Raise exception. This must be ignored */
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72 | exception_raise(task, 1);
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73 | timer_sleep(1000, 0); |
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74 | |||
75 | printf("OK\n");
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76 | return 0; |
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77 | } |