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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
+* control C/break interrupt handler. Note that this
+* alternate version does not work with all extenders.
+*
+* Functions tested: PM_installAltBreakHandler()
+* PM_restoreBreakHandler()
+*
+*
+****************************************************************************/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include "pmapi.h"
+
+volatile int breakHit = false;
+volatile int ctrlCHit = false;
+
+#pragma off (check_stack) /* No stack checking under Watcom */
+
+void PMAPI breakHandler(uint bHit)
+{
+ if (bHit)
+ breakHit = true;
+ else
+ ctrlCHit = true;
+}
+
+int main(void)
+{
+ 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_installAltBreakHandler(breakHandler);
+ printf("Control C/Break interrupt handler installed\n");
+ while (1) {
+ if (ctrlCHit) {
+ printf("Code termimated with Ctrl-C.\n");
+ break;
+ }
+ if (breakHit) {
+ printf("Code termimated with Ctrl-Break.\n");
+ break;
+ }
+ if (PM_kbhit() && PM_getch() == 0x1B) {
+ printf("No break code detected!\n");
+ break;
+ }
+ printf("Hit Ctrl-C or Ctrl-Break to exit!\n");
+ }
+
+ PM_restoreBreakHandler();
+ return 0;
+}
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