| 1 |
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| 2 | #ifndef EXCEPT_H_INCLUDED
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| 3 | #define EXCEPT_H_INCLUDED
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| 4 |
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| 5 | #include <setjmp.h>
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| 6 | #include "excptLogName.h"
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| 7 |
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| 8 | typedef struct REGREC2_STRUCT {
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| 9 | PVOID pNext;
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| 10 | PFN pfnHandler;
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| 11 | jmp_buf jmpThread;
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| 12 | } REGREC2, *PREGREC2;
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| 13 |
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| 14 | typedef struct _LOCALEXCEPTSTRUCT {
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| 15 | //REGREC2 RegRec2;
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| 16 | EXCEPTIONREGISTRATIONRECORD excptRegRecord;
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| 17 | ULONG ulExcpt;
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| 18 | APIRET arc;
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| 19 | jmp_buf jmpThread;
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| 20 | } LOCALEXCEPTSTRUCT, *PLOCALEXCEPTSTRUCT;
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| 21 |
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| 22 | /********************************************************************
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| 23 | * *
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| 24 | * Macros *
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| 25 | * *
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| 26 | ********************************************************************/
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| 27 |
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| 28 | /* See except.c for explanations how to use these. */
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| 29 |
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| 30 | #define TRY_LOUD(localExceptStruct) \
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| 31 | { \
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| 32 | LOCALEXCEPTSTRUCT localExceptStruct; \
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| 33 | localExceptStruct.excptRegRecord.ExceptionHandler = (ERR)excHandler; \
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| 34 | localExceptStruct.arc = DosSetExceptionHandler( \
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| 35 | (PEXCEPTIONREGISTRATIONRECORD)&(localExceptStruct.excptRegRecord)); \
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| 36 | if (localExceptStruct.arc) \
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| 37 | DosBeep(100, 1000); \
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| 38 | localExceptStruct.ulExcpt = setjmp(localExceptStruct.jmpThread); \
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| 39 | if (localExceptStruct.ulExcpt == 0) \
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| 40 | { /* no exception occured: */
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| 41 |
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| 42 | #define CATCH(localExceptStruct) \
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| 43 | DosUnsetExceptionHandler( \
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| 44 | (PEXCEPTIONREGISTRATIONRECORD)&(localExceptStruct.excptRegRecord)); \
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| 45 | } /* end if (try_ulExcpt == 0) */ \
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| 46 | else { /* exception occured: */ \
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| 47 | DosUnsetExceptionHandler( \
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| 48 | (PEXCEPTIONREGISTRATIONRECORD)&(localExceptStruct.excptRegRecord));
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| 49 | #define END_CATCH \
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| 50 | } /* end else (excptstruct.ulExcpt == 0) */ \
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| 51 | } /* end variable scope block */
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| 52 |
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| 53 |
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| 54 | /*
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| 55 | * CRASH:
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| 56 | * this macro is helpful for testing
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| 57 | * the exception handlers.
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| 58 | * This is not for general use. ;-)
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| 59 | */
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| 60 |
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| 61 | #define CRASH {PSZ p = NULL; *p = 'a'; }
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| 62 |
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| 63 | /********************************************************************
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| 64 | * *
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| 65 | * Prototypes *
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| 66 | * *
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| 67 | ********************************************************************/
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| 68 |
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| 69 | ULONG _System excHandler(PEXCEPTIONREPORTRECORD pERepRec,
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| 70 | PLOCALEXCEPTSTRUCT pRegRec2,
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| 71 | // PREGREC2 pRegRec2,
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| 72 | PCONTEXTRECORD pCtxRec,
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| 73 | PVOID pv);
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| 74 | #if 0
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| 75 | ULONG _System excHandler(PEXCEPTIONREPORTRECORD pReportRec,
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| 76 | PREGREC2 pRegRec2,
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| 77 | PCONTEXTRECORD pContextRec,
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| 78 | PVOID pv);
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| 79 | #endif
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| 80 | #endif
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