OS/2 Exception API Differences

The following describes the implementation differences between the OS2Linux library and the real OS/2 exception APIs.

These APIs are included in your application by including the following definition in your application source file.

#define INCL_DOSEXCEPTIONS

DosSetExceptionHandler

APIRET APIENTRY DosSetExceptionHandler(PEXCEPTIONREGISTRATIONRECORD pERegRec);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosUnsetExceptionHandler

APIRET APIENTRY DosUnsetExceptionHandler(PEXCEPTIONREGISTRATIONRECORD pERegRec);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosRaiseException

APIRET APIENTRY DosRaiseException(PEXCEPTIONREPORTRECORD pexcept);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosSendSignalException

APIRET APIENTRY DosSendSignalException(PID pid, ULONG exception);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosUnwindException

APIRET APIENTRY DosUnwindException(PEXCEPTIONREGISTRATIONRECORD phandler,
                                   PVOID pTargetIP,
                                   PEXCEPTIONREPORTRECORD pERepRec);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosSetSignalExceptionFocus

APIRET APIENTRY DosSetSignalExceptionFocus(BOOL32 flag, PULONG pulTimes);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosEnterMustComplete

APIRET APIENTRY DosEnterMustComplete(PULONG pulNesting);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosExitMustComplete

APIRET APIENTRY DosExitMustComplete(PULONG pulNesting);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosAcknowledgeSignalException

APIRET APIENTRY DosAcknowledgeSignalException(ULONG ulSignalNum);

• This function is not supported and always returns ERROR_ACCESS_DENIED.

DosQueryThreadContext

APIRET APIENTRY DosQueryThreadContext(TID tid, ULONG level, PCONTEXTRECORD pcxt);

• This function is not supported and always returns ERROR_ACCESS_DENIED.