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-/****************************************************************************
-*
-* SciTech OS Portability Manager Library
-*
-* ========================================================================
-*
-* The contents of this file are subject to the SciTech MGL Public
-* License Version 1.0 (the "License"); you may not use this file
-* except in compliance with the License. You may obtain a copy of
-* the License at http://www.scitechsoft.com/mgl-license.txt
-*
-* Software distributed under the License is distributed on an
-* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
-* implied. See the License for the specific language governing
-* rights and limitations under the License.
-*
-* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc.
-*
-* The Initial Developer of the Original Code is SciTech Software, Inc.
-* All Rights Reserved.
-*
-* ========================================================================
-*
-*
-* Language: ANSI C
-* Environment: any
-*
-* Description: Test program to check the ability to install a C based
-* critical error handler.
-*
-* Functions tested: PM_installCriticalHandler()
-* PM_criticalError()
-* PM_restoreCriticalHandler()
-*
-*
-****************************************************************************/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include "pmapi.h"
-
-volatile uint criticalError = false;
-volatile uint axValue;
-volatile uint diValue;
-
-#pragma off (check_stack) /* No stack checking under Watcom */
-
-uint PMAPI criticalHandler(uint axVal,uint diVal)
-{
- criticalError = true;
- axValue = axVal;
- diValue = diVal;
- return 3; /* Tell MS-DOS to fail the operation */
-}
-
-int main(void)
-{
- FILE *f;
-
- printf("Program running in ");
- switch (PM_getModeType()) {
- case PM_realMode:
- printf("real mode.\n\n");
- break;
- case PM_286:
- printf("16 bit protected mode.\n\n");
- break;
- case PM_386:
- printf("32 bit protected mode.\n\n");
- break;
- }
-
- PM_installAltCriticalHandler(criticalHandler);
- printf("Critical Error handler installed - trying to read from A: drive...\n");
- f = fopen("a:\bog.bog","rb");
- if (f) fclose(f);
- if (criticalError) {
- printf("Critical error occured on INT 21h function %02X!\n",
- axValue >> 8);
- }
- else
- printf("Critical error was not caught!\n");
- PM_restoreCriticalHandler();
- return 0;
-}