root / prex-0.9.0 / usr / test / exception / exception.c @ 03e9c04a
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/*-
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* Copyright (c) 2005, Kohsuke Ohtani
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* exception.c - test kernel exception feature.
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*/
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#include <sys/prex.h> |
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#include <stdio.h> |
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static void |
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my_exception(int code)
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{ |
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printf("Get exception code=%x\n", code);
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exception_return(); |
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/* Control never comes here */
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panic("Ooops!");
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} |
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int
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main(int argc, char *argv[]) |
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{ |
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task_t task; |
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printf("Exception test program\n");
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timer_sleep(2000, 0); |
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task = task_self(); |
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/* Install exception handler */
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exception_setup(my_exception); |
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/* Raise some exception */
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exception_raise(task, 1);
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exception_raise(task, 2);
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exception_raise(task, 4);
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exception_raise(task, 8);
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/* Uninstall exception handler */
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exception_setup(EXC_DFL); |
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/* Raise exception. This must be ignored */
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exception_raise(task, 1);
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timer_sleep(1000, 0); |
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printf("OK\n");
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return 0; |
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} |