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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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25
src/include/miscadmin.h
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@ -11,7 +11,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: miscadmin.h,v 1.42 1999/09/27 20:27:26 momjian Exp $
* $Id: miscadmin.h,v 1.43 1999/10/06 21:58:13 vadim Exp $
*
* NOTES
* some of the information in this file will be moved to
@ -143,28 +143,25 @@ extern int CheckPathAccess(char *path, char *name, int open_mode);
*****************************************************************************/
/*
* Description:
* There are four processing modes in POSTGRES. They are NoProcessing
* or "none," BootstrapProcessing or "bootstrap," InitProcessing or
* There are three processing modes in POSTGRES. They are
* "BootstrapProcessing or "bootstrap," InitProcessing or
* "initialization," and NormalProcessing or "normal."
*
* If a POSTGRES binary is in normal mode, then all code may be executed
* normally. In the none mode, only bookkeeping code may be called. In
* particular, access method calls may not occur in this mode since the
* execution state is outside a transaction.
*
* The final two processing modes are used during special times. When the
* The first two processing modes are used during special times. When the
* system state indicates bootstrap processing, transactions are all given
* transaction id "one" and are consequently guarenteed to commit. This mode
* transaction id "one" and are consequently guarenteed to commit. This mode
* is used during the initial generation of template databases.
*
* Finally, the execution state is in initialization mode until all normal
* initialization is complete. Some code behaves differently when executed in
* this mode to enable system bootstrapping.
* Initialization mode until all normal initialization is complete.
* Some code behaves differently when executed in this mode to enable
* system bootstrapping.
*
* If a POSTGRES binary is in normal mode, then all code may be executed
* normally.
*/
typedef enum ProcessingMode
{
NoProcessing, /* "nothing" can be done */
BootstrapProcessing, /* bootstrap creation of template database */
InitProcessing, /* initializing system */
NormalProcessing /* normal processing */