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/*-------------------------------------------------------------------------
*
* exc.h
* POSTGRES exception handling definitions.
*
*
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: exc.h,v 1.22 2001/11/05 17:46:36 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef EXC_H
#define EXC_H
#include <setjmp.h>
extern char *ExcFileName;
extern Index ExcLineNumber;
typedef sigjmp_buf ExcContext;
typedef Exception *ExcId;
typedef long ExcDetail;
typedef char *ExcData;
typedef struct ExcFrame
{
struct ExcFrame *link;
ExcContext context;
ExcId id;
ExcDetail detail;
ExcData data;
ExcMessage message;
} ExcFrame;
extern ExcFrame *ExcCurFrameP;
/* These are not used anywhere 1998/6/15 */
#define ExcBegin() \
do { \
ExcFrame exception; \
\
exception.link = ExcCurFrameP; \
if (sigsetjmp(exception.context, 1) == 0) \
{ \
ExcCurFrameP = &exception;
#define ExcExcept() \
} \
ExcCurFrameP = exception.link; \
} \
else \
{ \
{
#define ExcEnd() \
} \
} \
} while(0)
#define raise4(x, t, d, message) \
ExcRaise(&(x), (ExcDetail)(t), (ExcData)(d), (ExcMessage)(message))
#define reraise() \
raise4(*exception.id,exception.detail,exception.data,exception.message)
typedef void ExcProc (Exception *, ExcDetail, ExcData, ExcMessage);
/*
* prototypes for functions in exc.c
*/
extern void EnableExceptionHandling(bool on);
extern void ExcRaise(Exception *excP,
ExcDetail detail,
ExcData data,
ExcMessage message);
/*
* prototypes for functions in excabort.c
*/
extern void ExcAbort(const Exception *excP, ExcDetail detail, ExcData data,
ExcMessage message);
#endif /* EXC_H */
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