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/*-------------------------------------------------------------------------
*
* elog.h
* POSTGRES error logging definitions.
*
*
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: elog.h,v 1.22 2001/01/07 04:17:28 tgl Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef ELOG_H
#define ELOG_H
#define NOTICE 0 /* random info - no special action */
#define ERROR (-1) /* user error - return to known state */
#define FATAL 1 /* fatal error - abort process */
#define REALLYFATAL 2 /* take down the other backends with me */
#define STOP REALLYFATAL
#define DEBUG (-2) /* debug message */
#define LOG DEBUG
#define NOIND (-3) /* debug message, don't indent as far */
#ifdef ENABLE_SYSLOG
extern int Use_syslog;
#endif
/*
* If CritSectionCount > 0, signal handlers mustn't do
* elog(ERROR|FATAL), instead remember what action is
* required with QueryCancel or ProcDiePending.
* ProcDiePending will be honored at critical section exit,
* but QueryCancel is only checked at specified points.
*/
extern uint32 CritSectionCount; /* duplicates access/xlog.h */
extern volatile bool ProcDiePending;
extern void ForceProcDie(void); /* in postgres.c */
#define START_CRIT_CODE (CritSectionCount++)
#define END_CRIT_CODE \
do { \
if (CritSectionCount == 0) \
elog(STOP, "Not in critical section"); \
CritSectionCount--; \
if (CritSectionCount == 0 && ProcDiePending) \
ForceProcDie(); \
} while(0)
extern bool Log_timestamp;
extern bool Log_pid;
#ifndef __GNUC__
extern void elog(int lev, const char *fmt,...);
#else
/* This extension allows gcc to check the format string for consistency with
the supplied arguments. */
extern void elog(int lev, const char *fmt,...) __attribute__((format(printf, 2, 3)));
#endif
#ifndef PG_STANDALONE
extern int DebugFileOpen(void);
#endif
#endif /* ELOG_H */
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