board/MAI/bios_emulator/scitech/src/pm/tests/critical.c

   1 /****************************************************************************
   2 *
   3 *                   SciTech OS Portability Manager Library
   4 *
   5 *  ========================================================================
   6 *
   7 *    The contents of this file are subject to the SciTech MGL Public
   8 *    License Version 1.0 (the "License"); you may not use this file
   9 *    except in compliance with the License. You may obtain a copy of
  10 *    the License at http://www.scitechsoft.com/mgl-license.txt
  11 *
  12 *    Software distributed under the License is distributed on an
  13 *    "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  14 *    implied. See the License for the specific language governing
  15 *    rights and limitations under the License.
  16 *
  17 *    The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc.
  18 *
  19 *    The Initial Developer of the Original Code is SciTech Software, Inc.
  20 *    All Rights Reserved.
  21 *
  22 *  ========================================================================
  23 *
  24 *
  25 * Language:     ANSI C
  26 * Environment:  any
  27 *
  28 * Description:  Test program to check the ability to install a C based
  29 *               critical error handler.
  30 *
  31 *               Functions tested:   PM_installAltCriticalHandler()
  32 *                                   PM_restoreCriticalHandler()
  33 *
  34 *
  35 ****************************************************************************/
  36
  37 #include <stdlib.h>
  38 #include <stdio.h>
  39 #include "pmapi.h"
  40
  41 int main(void)
  42 {
  43     FILE    *f;
  44     int     axcode,dicode;
  45
  46     printf("Program running in ");
  47     switch (PM_getModeType()) {
  48         case PM_realMode:
  49             printf("real mode.\n\n");
  50             break;
  51         case PM_286:
  52             printf("16 bit protected mode.\n\n");
  53             break;
  54         case PM_386:
  55             printf("32 bit protected mode.\n\n");
  56             break;
  57         }
  58
  59     PM_installCriticalHandler();
  60     printf("Critical Error handler installed - trying to read from A: drive...\n");
  61     f = fopen("a:\bog.bog","rb");
  62     if (f) fclose(f);
  63     if (PM_criticalError(&axcode,&dicode,1)) {
  64         printf("Critical error occured on INT 21h function %02X!\n",
  65             axcode >> 8);
  66         }
  67     else printf("Critical error was not caught!\n");
  68     PM_restoreCriticalHandler();
  69     return 0;
  70 }