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XLOG (also known as WAL -:)) Bootstrap/Startup/Shutdown.

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First step in cleaning up backend initialization code.
Fix for FATAL: now FATAL is ERROR + exit.
This commit is contained in:
Vadim B. Mikheev
1999-10-06 21:58:18 +00:00
parent 9dcd8c528f
commit 4793740367
20 changed files with 1158 additions and 1015 deletions
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47
src/backend/utils/error/elog.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/error/elog.c,v 1.48 1999/09/11 19:06:31 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/error/elog.c,v 1.49 1999/10/06 21:58:09 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -37,6 +37,7 @@
extern int errno;
extern int sys_nerr;
extern CommandDest whereToSendOutput;
#ifdef USE_SYSLOG
/*
@ -107,6 +108,19 @@ elog(int lev, const char *fmt, ...)
if (lev <= DEBUG && Debugfile < 0)
return; /* ignore debug msgs if noplace to send */
if (lev == ERROR || lev == FATAL)
{
if (IsInitProcessingMode())
{
extern TransactionState CurrentTransactionState;
if (CurrentTransactionState->state != TRANS_DEFAULT &&
CurrentTransactionState->state != TRANS_DISABLED)
abort();
lev = FATAL;
}
}
/* choose message prefix and indent level */
switch (lev)
{
@ -304,7 +318,7 @@ elog(int lev, const char *fmt, ...)
#ifndef PG_STANDALONE
if (lev > DEBUG && IsUnderPostmaster)
if (lev > DEBUG && whereToSendOutput == Remote)
{
/* Send IPC message to the front-end program */
char msgtype;
@ -336,7 +350,7 @@ elog(int lev, const char *fmt, ...)
pq_flush();
}
if (lev > DEBUG && ! IsUnderPostmaster)
if (lev > DEBUG && whereToSendOutput != Remote)
{
/* We are running as an interactive backend, so just send
* the message to stderr.
@ -355,36 +369,29 @@ elog(int lev, const char *fmt, ...)
/*
* Perform error recovery action as specified by lev.
*/
if (lev == ERROR)
if (lev == ERROR || lev == FATAL)
{
if (InError)
{
/* error reported during error recovery; don't loop forever */
elog(REALLYFATAL, "elog: error during error recovery, giving up!");
}
InError = true;
ProcReleaseSpins(NULL); /* get rid of spinlocks we hold */
if (lev == FATAL)
{
if (IsInitProcessingMode())
ExitPostgres(0);
ExitAfterAbort = true;
}
/* exit to main loop */
ProcReleaseSpins(NULL); /* get rid of spinlocks we hold */
siglongjmp(Warn_restart, 1);
}
if (lev == FATAL)
{
/*
* Assume that if we have detected the failure we can exit with a
* normal exit status. This will prevent the postmaster from
* cleaning up when it's not needed.
*/
fflush(stdout);
fflush(stderr);
ProcReleaseSpins(NULL); /* get rid of spinlocks we hold */
ProcReleaseLocks(); /* get rid of real locks we hold */
proc_exit(0);
}
if (lev > FATAL)
{
/*
* Serious crash time. Postmaster will observe nonzero
* Serious crash time. Postmaster will observe nonzero
* process exit status and kill the other backends too.
*/
fflush(stdout);