Return to exception.c CVS log

Up to [local] / prex-old / usr / test / exception

Annotation of prex-old/usr/test/exception/exception.c, Revision 1.1

1.1     ! nbrk        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 <prex/prex.h>
        !            35: #include <stdio.h>
        !            36:
        !            37: static void
        !            38: my_exception(int code, void *regs)
        !            39: {
        !            40:        printf("Get exception code=%x regs=%x\n", code, (u_int)regs);
        !            41:
        !            42:        exception_return(regs);
        !            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(0);
        !            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: }