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postgresql/src/include/miscadmin.h

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Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
/*-------------------------------------------------------------------------
*
Change my-function-name-- to my_function_name, and optimizer renames.
1999-02-14 00:22:53 +01:00
* miscadmin.h
Replace max_expr_depth parameter with a max_stack_depth parameter that is measured in kilobytes and checked against actual physical execution stack depth, as per my proposal of 30-Dec. This gives us a fairly bulletproof defense against crashing due to runaway recursive functions.
2004-03-24 23:40:29 +01:00
* This file contains general postgres administration and initialization
Massive commit to run PGINDENT on all *.c and *.h files.
1997-09-07 07:04:48 +02:00
* stuff that used to be spread out between the following files:
* globals.h global variables
* pdir.h directory path crud
* pinit.h postgres initialization
* pmod.h processing modes
Replace max_expr_depth parameter with a max_stack_depth parameter that is measured in kilobytes and checked against actual physical execution stack depth, as per my proposal of 30-Dec. This gives us a fairly bulletproof defense against crashing due to runaway recursive functions.
2004-03-24 23:40:29 +01:00
* Over time, this has also become the preferred place for widely known
* resource-limitation stuff, such as work_mem and check_stack_depth().
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
*
Tag appropriate files for rc3 Also performed an initial run through of upgrading our Copyright date to extend to 2005 ... first run here was very simple ... change everything where: grep 1996-2004 && the word 'Copyright' ... scanned through the generated list with 'less' first, and after, to make sure that I only picked up the right entries ...
2004-12-31 23:04:05 +01:00
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
Add: * Portions Copyright (c) 1996-2000, PostgreSQL, Inc to all files copyright Regents of Berkeley. Man, that's a lot of files.
2000-01-26 06:58:53 +01:00
* Portions Copyright (c) 1994, Regents of the University of California
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
*
Finish up the flat-files project: get rid of GetRawDatabaseInfo() hack in favor of looking at the flat file copy of pg_database during backend startup. This should finally eliminate the various corner cases in which backend startup fails unexpectedly because it isn't able to distinguish live and dead tuples in pg_database. Simplify locking on pg_database to be similar to the rules used with pg_shadow and pg_group, and eliminate FlushRelationBuffers operations that were used only to reduce the odds of failure of GetRawDatabaseInfo. initdb forced due to addition of a trigger to pg_database.
2005-02-26 19:43:34 +01:00
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.175 2005/02/26 18:43:34 tgl Exp $
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
*
* NOTES
Separate out bgwriter code into a logically separate module, rather than being random pieces of other files. Give bgwriter responsibility for all checkpoint activity (other than a post-recovery checkpoint); so this child process absorbs the functionality of the former transient checkpoint and shutdown subprocesses. While at it, create an actual include file for postmaster.c, which for some reason never had its own file before.
2004-05-30 00:48:23 +02:00
* some of the information in this file should be moved to other files.
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
*
*-------------------------------------------------------------------------
*/
#ifndef MISCADMIN_H
#define MISCADMIN_H
Create an internal semaphore API that is not tied to SysV semaphores. As proof of concept, provide an alternate implementation based on POSIX semaphores. Also push the SysV shared-memory implementation into a separate file so that it can be replaced conveniently.
2002-05-05 02:03:29 +02:00
Separate out bgwriter code into a logically separate module, rather than being random pieces of other files. Give bgwriter responsibility for all checkpoint activity (other than a post-recovery checkpoint); so this child process absorbs the functionality of the former transient checkpoint and shutdown subprocesses. While at it, create an actual include file for postmaster.c, which for some reason never had its own file before.
2004-05-30 00:48:23 +02:00
#define PG_VERSIONSTR "postgres (PostgreSQL) " PG_VERSION "\n"
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
/*****************************************************************************
pgindent run. Make it all clean.
2001-03-22 05:01:46 +01:00
* System interrupt and critical section handling
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
*
* There are two types of interrupts that a running backend needs to accept
* without messing up its state: QueryCancel (SIGINT) and ProcDie (SIGTERM).
* In both cases, we need to be able to clean up the current transaction
* gracefully, so we can't respond to the interrupt instantaneously ---
* there's no guarantee that internal data structures would be self-consistent
pgindent run. Make it all clean.
2001-03-22 05:01:46 +01:00
* if the code is interrupted at an arbitrary instant. Instead, the signal
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
* handlers set flags that are checked periodically during execution.
*
* The CHECK_FOR_INTERRUPTS() macro is called at strategically located spots
* where it is normally safe to accept a cancel or die interrupt. In some
* cases, we invoke CHECK_FOR_INTERRUPTS() inside low-level subroutines that
* might sometimes be called in contexts that do *not* want to allow a cancel
Make critical sections (elog->crash) and interrupt holdoff sections into distinct concepts, per recent discussion on pghackers.
2001-01-19 23:08:47 +01:00
* or die interrupt. The HOLD_INTERRUPTS() and RESUME_INTERRUPTS() macros
* allow code to ensure that no cancel or die interrupt will be accepted,
pgindent run. Make it all clean.
2001-03-22 05:01:46 +01:00
* even if CHECK_FOR_INTERRUPTS() gets called in a subroutine. The interrupt
Do not accept interrupts in RESUME_INTERRUPTS() and END_CRIT_SECTION() macros, but only at explicit CHECK_FOR_INTERRUPTS() calls. Not clear whether overenthusiastic acceptance of interrupts accounts for any real bugs, but it definitely seems risky and unnecessary.
2002-01-02 00:16:22 +01:00
* will be held off until CHECK_FOR_INTERRUPTS() is done outside any
* HOLD_INTERRUPTS() ... RESUME_INTERRUPTS() section.
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
*
* Special mechanisms are used to let an interrupt be accepted when we are
Implement new 'lightweight lock manager' that's intermediate between existing lock manager and spinlocks: it understands exclusive vs shared lock but has few other fancy features. Replace most uses of spinlocks with lightweight locks. All remaining uses of spinlocks have very short lock hold times (a few dozen instructions), so tweak spinlock backoff code to work efficiently given this assumption. All per my proposal on pghackers 26-Sep-01.
2001-09-29 06:02:27 +02:00
* waiting for a lock or when we are waiting for command input (but, of
pgindent run on all C files. Java run to follow. initdb/regression tests pass.
2001-10-25 07:50:21 +02:00
* course, only if the interrupt holdoff counter is zero). See the
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
* related code for details.
*
Make critical sections (elog->crash) and interrupt holdoff sections into distinct concepts, per recent discussion on pghackers.
2001-01-19 23:08:47 +01:00
* A related, but conceptually distinct, mechanism is the "critical section"
* mechanism. A critical section not only holds off cancel/die interrupts,
elog mop-up.
2003-07-27 19:10:07 +02:00
* but causes any ereport(ERROR) or ereport(FATAL) to become ereport(PANIC)
pgindent run.
2003-08-04 02:43:34 +02:00
* --- that is, a system-wide reset is forced. Needless to say, only really
* *critical* code should be marked as a critical section! Currently, this
elog mop-up.
2003-07-27 19:10:07 +02:00
* mechanism is only used for XLOG-related code.
Make critical sections (elog->crash) and interrupt holdoff sections into distinct concepts, per recent discussion on pghackers.
2001-01-19 23:08:47 +01:00
*
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
*****************************************************************************/
/* in globals.c */
/* these are marked volatile because they are set by signal handlers: */
Assorted fixes for Cygwin: Eliminate the mysterious games that the Cygwin build plays with the linker flag variables. DLLLIBS is gone, use SHLIB_LINK like everyone else. Detect cygipc in configure, after the linker flags are set up, otherwise configure might not work at all. Make sure everything is covered by make clean. Fix the build of the new conversion procedure modules. Add new DLLIMPORT markers where required. Finally, the compiler complains if we use an explicit -I/usr/local/include, so don't do that. Curiously, -L/usr/local/lib is still necessary.
2002-09-05 20:28:46 +02:00
extern DLLIMPORT volatile bool InterruptPending;
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
extern volatile bool QueryCancelPending;
extern volatile bool ProcDiePending;
pgindent run. Make it all clean.
2001-03-22 05:01:46 +01:00
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
/* these are marked volatile because they are examined by signal handlers: */
extern volatile bool ImmediateInterruptOK;
Make critical sections (elog->crash) and interrupt holdoff sections into distinct concepts, per recent discussion on pghackers.
2001-01-19 23:08:47 +01:00
extern volatile uint32 InterruptHoldoffCount;
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
extern volatile uint32 CritSectionCount;
Replace max_expr_depth parameter with a max_stack_depth parameter that is measured in kilobytes and checked against actual physical execution stack depth, as per my proposal of 30-Dec. This gives us a fairly bulletproof defense against crashing due to runaway recursive functions.
2004-03-24 23:40:29 +01:00
/* in tcop/postgres.c */
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
extern void ProcessInterrupts(void);
Win32 signals cleanup. Patch by Magnus Hagander, with input from Claudio Natoli and Bruce Momjian (and some cosmetic fixes from Neil Conway). Changes: - remove duplicate signal definitions from pqsignal.h - replace pqkill() with kill() and redefine kill() in Win32 - use ereport() in place of fprintf() in some error handling in pqsignal.c - export pg_queue_signal() and make use of it where necessary - add a console control handler for Ctrl-C and similar handling on Win32 - do WaitForSingleObjectEx() in CHECK_FOR_INTERRUPTS() on Win32; query cancelling should now work on Win32 - various other fixes and cleanups
2004-02-08 23:28:57 +01:00
#ifndef WIN32
Separate out bgwriter code into a logically separate module, rather than being random pieces of other files. Give bgwriter responsibility for all checkpoint activity (other than a post-recovery checkpoint); so this child process absorbs the functionality of the former transient checkpoint and shutdown subprocesses. While at it, create an actual include file for postmaster.c, which for some reason never had its own file before.
2004-05-30 00:48:23 +02:00
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
#define CHECK_FOR_INTERRUPTS() \
Change PG_DELAY from msec to usec and use it consistenly rather than select(). Add Win32 Sleep() for delay.
2004-01-09 22:08:50 +01:00
do { \
if (InterruptPending) \
ProcessInterrupts(); \
} while(0)
Separate out bgwriter code into a logically separate module, rather than being random pieces of other files. Give bgwriter responsibility for all checkpoint activity (other than a post-recovery checkpoint); so this child process absorbs the functionality of the former transient checkpoint and shutdown subprocesses. While at it, create an actual include file for postmaster.c, which for some reason never had its own file before.
2004-05-30 00:48:23 +02:00
Pgindent run for 8.0.
2004-08-29 07:07:03 +02:00
#else /* WIN32 */
Separate out bgwriter code into a logically separate module, rather than being random pieces of other files. Give bgwriter responsibility for all checkpoint activity (other than a post-recovery checkpoint); so this child process absorbs the functionality of the former transient checkpoint and shutdown subprocesses. While at it, create an actual include file for postmaster.c, which for some reason never had its own file before.
2004-05-30 00:48:23 +02:00
Win32 signals cleanup. Patch by Magnus Hagander, with input from Claudio Natoli and Bruce Momjian (and some cosmetic fixes from Neil Conway). Changes: - remove duplicate signal definitions from pqsignal.h - replace pqkill() with kill() and redefine kill() in Win32 - use ereport() in place of fprintf() in some error handling in pqsignal.c - export pg_queue_signal() and make use of it where necessary - add a console control handler for Ctrl-C and similar handling on Win32 - do WaitForSingleObjectEx() in CHECK_FOR_INTERRUPTS() on Win32; query cancelling should now work on Win32 - various other fixes and cleanups
2004-02-08 23:28:57 +01:00
#define CHECK_FOR_INTERRUPTS() \
do { \
Fix error in Windows version of CHECK_FOR_INTERRUPTS macro. This prevented statement_timeout from working. Magnus Hagander
2004-09-07 01:55:34 +02:00
if (WaitForSingleObjectEx(pgwin32_signal_event,0,TRUE) == WAIT_OBJECT_0) \
Here's an attempt at new socket and signal code for win32. It works on the principle of turning sockets into non-blocking, and then emulate blocking behaviour on top of that, while allowing signals to run. Signals are now implemented using an event instead of APCs, thus getting rid of the issue of APCs not being compatible with "old style" sockets functions. It also moves the win32 specific code away from pqsignal.h/c into port/win32, and also removes the "thread style workaround" of the APC issue previously in place. In order to make things work, a few things are also changed in pgstat.c: 1) There is now a separate pipe to the collector and the bufferer. This is required because the pipe will otherwise only be signalled in one of the processes when the postmaster goes down. The MS winsock code for select() must have some kind of workaround for this behaviour, but I have found no stable way of doing that. You really are not supposed to use the same socket from more than one process (unless you use WSADuplicateSocket(), in which case the docs specifically say that only one will be flagged). 2) The check for "postmaster death" is moved into a separate select() call after the main loop. The previous behaviour select():ed on the postmaster pipe, while later explicitly saying "we do NOT check for postmaster exit inside the loop". The issue was that the code relies on the same select() call seeing both the postmaster pipe *and* the pgstat pipe go away. This does not always happen, and it appears that useing WSAEventSelect() makes it even more common that it does not. Since it's only called when the process exits, I don't think using a separate select() call will have any significant impact on how the stats collector works. Magnus Hagander
2004-04-12 18:19:18 +02:00
pgwin32_dispatch_queued_signals(); \
Win32 signals cleanup. Patch by Magnus Hagander, with input from Claudio Natoli and Bruce Momjian (and some cosmetic fixes from Neil Conway). Changes: - remove duplicate signal definitions from pqsignal.h - replace pqkill() with kill() and redefine kill() in Win32 - use ereport() in place of fprintf() in some error handling in pqsignal.c - export pg_queue_signal() and make use of it where necessary - add a console control handler for Ctrl-C and similar handling on Win32 - do WaitForSingleObjectEx() in CHECK_FOR_INTERRUPTS() on Win32; query cancelling should now work on Win32 - various other fixes and cleanups
2004-02-08 23:28:57 +01:00
if (InterruptPending) \
ProcessInterrupts(); \
Centralize implementation of delay code by creating a pg_usleep() subroutine in src/port/pgsleep.c. Remove platform dependencies from miscadmin.h and put them in port.h where they belong. Extend recent vacuum cost-based-delay patch to apply to VACUUM FULL, ANALYZE, and non-btree index vacuuming. By the way, where is the documentation for the cost-based-delay patch?
2004-02-10 04:42:45 +01:00
} while(0)
Pgindent run for 8.0.
2004-08-29 07:07:03 +02:00
#endif /* WIN32 */
Win32 signals cleanup. Patch by Magnus Hagander, with input from Claudio Natoli and Bruce Momjian (and some cosmetic fixes from Neil Conway). Changes: - remove duplicate signal definitions from pqsignal.h - replace pqkill() with kill() and redefine kill() in Win32 - use ereport() in place of fprintf() in some error handling in pqsignal.c - export pg_queue_signal() and make use of it where necessary - add a console control handler for Ctrl-C and similar handling on Win32 - do WaitForSingleObjectEx() in CHECK_FOR_INTERRUPTS() on Win32; query cancelling should now work on Win32 - various other fixes and cleanups
2004-02-08 23:28:57 +01:00
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
pgindent run. Make it all clean.
2001-03-22 05:01:46 +01:00
#define HOLD_INTERRUPTS() (InterruptHoldoffCount++)
Make critical sections (elog->crash) and interrupt holdoff sections into distinct concepts, per recent discussion on pghackers.
2001-01-19 23:08:47 +01:00
#define RESUME_INTERRUPTS() \
Change PG_DELAY from msec to usec and use it consistenly rather than select(). Add Win32 Sleep() for delay.
2004-01-09 22:08:50 +01:00
do { \
Assert(InterruptHoldoffCount > 0); \
InterruptHoldoffCount--; \
} while(0)
Make critical sections (elog->crash) and interrupt holdoff sections into distinct concepts, per recent discussion on pghackers.
2001-01-19 23:08:47 +01:00
pgindent run. Make it all clean.
2001-03-22 05:01:46 +01:00
#define START_CRIT_SECTION() (CritSectionCount++)
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
#define END_CRIT_SECTION() \
Change PG_DELAY from msec to usec and use it consistenly rather than select(). Add Win32 Sleep() for delay.
2004-01-09 22:08:50 +01:00
do { \
Assert(CritSectionCount > 0); \
CritSectionCount--; \
} while(0)
[all] Removed call to getppid in SendPostmasterSignal, replacing with a PostmasterPid variable, which gets set (early) in PostmasterMain getppid would not be the postmaster? [fork/exec] Implements processCancelRequest by keeping an array of pid/cancel_key structs in shared mem [fork/exec] Moves AttachSharedMemoryAndSemaphores call for backends into SubPostmasterMain [win32] Implements reaper/waitpid by keeping an arrays of children pids,handles in postmaster local mem - this item is largely untested, for reasons which should be obvious, but appears sound [win32/all] Added extern for pgpipe in Win32 case, and changed the second pipe call (which seems to have been missed earlier) to pgpipe [win32] #define'd ftruncate to chsize in the Win32 case [win32] PG_USLEEP for Win32 has a misplaced paren. Fixed. [win32] DLLIMPORT handling for MingW case Claudio Natoli
2004-01-26 23:59:54 +01:00
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
/*****************************************************************************
Massive commit to run PGINDENT on all *.c and *.h files.
1997-09-07 07:04:48 +02:00
* globals.h -- *
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
*****************************************************************************/
/*
* from utils/init/globals.c
*/
[all] Removed call to getppid in SendPostmasterSignal, replacing with a PostmasterPid variable, which gets set (early) in PostmasterMain getppid would not be the postmaster? [fork/exec] Implements processCancelRequest by keeping an array of pid/cancel_key structs in shared mem [fork/exec] Moves AttachSharedMemoryAndSemaphores call for backends into SubPostmasterMain [win32] Implements reaper/waitpid by keeping an arrays of children pids,handles in postmaster local mem - this item is largely untested, for reasons which should be obvious, but appears sound [win32/all] Added extern for pgpipe in Win32 case, and changed the second pipe call (which seems to have been missed earlier) to pgpipe [win32] #define'd ftruncate to chsize in the Win32 case [win32] PG_USLEEP for Win32 has a misplaced paren. Fixed. [win32] DLLIMPORT handling for MingW case Claudio Natoli
2004-01-26 23:59:54 +01:00
extern pid_t PostmasterPid;
Fix things so that an error occuring during standalone-backend processing in initdb will result in exit(1), allowing the initdb script to realize that there's something wrong.
2003-05-28 20:19:09 +02:00
extern bool IsPostmasterEnvironment;
extern bool IsUnderPostmaster;
extern bool ExitOnAnyError;
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
1997-09-08 04:41:22 +02:00
extern char *DataDir;
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
Separate out bgwriter code into a logically separate module, rather than being random pieces of other files. Give bgwriter responsibility for all checkpoint activity (other than a post-recovery checkpoint); so this child process absorbs the functionality of the former transient checkpoint and shutdown subprocesses. While at it, create an actual include file for postmaster.c, which for some reason never had its own file before.
2004-05-30 00:48:23 +02:00
extern DLLIMPORT int NBuffers;
extern int MaxBackends;
pgindent run on all C files. Java run to follow. initdb/regression tests pass.
2001-10-25 07:50:21 +02:00
extern DLLIMPORT int MyProcPid;
OK, folks, here is the pgindent output.
1998-09-01 06:40:42 +02:00
extern struct Port *MyProcPort;
extern long MyCancelKey;
From: Tom Lane <tgl@sss.pgh.pa.us> Making PQrequestCancel safe to call in a signal handler turned out to be much easier than I feared. So here are the diffs. Some notes: * I modified the postmaster's packet "iodone" callback interface to allow the callback routine to return a continue-or-drop-connection return code; this was necessary to allow the connection to be closed after receiving a Cancel, rather than proceeding to launch a new backend... Being a neatnik, I also made the iodone proc have a typechecked parameter list. * I deleted all code I could find that had to do with OOB. * I made some edits to ensure that all signals mentioned in the code are referred to symbolically not by numbers ("SIGUSR2" not "2"). I think Bruce may have already done at least some of the same edits; I hope that merging these patches is not too painful.
1998-07-09 05:29:11 +02:00
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
1997-09-08 04:41:22 +02:00
extern char OutputFileName[];
Fix tsearch build problems. Magnus Hagander
2004-10-23 00:33:58 +02:00
extern DLLIMPORT char my_exec_path[];
Reorganize code to allow path-relative installs. Create new get_* functions to access compiled-in paths and adjust if relative installs are to be used. Clean up substitute_libpath_macro() code.
2004-05-17 16:35:34 +02:00
extern char pkglib_path[];
Pgindent run for 8.0.
2004-08-29 07:07:03 +02:00
Code review for EXEC_BACKEND changes. Reduce the number of #ifdefs by about a third, make it work on non-Windows platforms again. (But perhaps I broke the WIN32 code, since I have no way to test that.) Fold all the paths that fork postmaster child processes to go through the single routine SubPostmasterMain, which takes care of resurrecting the state that would normally be inherited from the postmaster (including GUC variables). Clean up some places where there's no particularly good reason for the EXEC and non-EXEC cases to work differently. Take care of one or two FIXMEs that remained in the code.
2004-05-28 07:13:32 +02:00
#ifdef EXEC_BACKEND
extern char postgres_exec_path[];
#endif
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
/*
* done in storage/backendid.h for now.
*
* extern BackendId MyBackendId;
*/
pgindent run on all C files. Java run to follow. initdb/regression tests pass.
2001-10-25 07:50:21 +02:00
extern DLLIMPORT Oid MyDatabaseId;
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
Tablespaces. Alternate database locations are dead, long live tablespaces. There are various things left to do: contrib dbsize and oid2name modules need work, and so does the documentation. Also someone should think about COMMENT ON TABLESPACE and maybe RENAME TABLESPACE. Also initlocation is dead, it just doesn't know it yet. Gavin Sherry and Tom Lane.
2004-06-18 08:14:31 +02:00
extern DLLIMPORT Oid MyDatabaseTableSpace;
Apply (a somewhat revised version of) Greg Mullane's patch to eliminate heuristic determination of day vs month in date/time input. Add the ability to specify that input is interpreted as yy-mm-dd order (which formerly worked, but only for yy greater than 31). DateStyle's input component now has the preferred spellings DMY, MDY, or YMD; the older keywords European and US are now aliases for the first two of these. Per recent discussions on pgsql-general.
2003-07-29 02:03:19 +02:00
/*
* Date/Time Configuration
From: Thomas Lockhart <Thomas.G.Lockhart@jpl.nasa.gov> Subject: [HACKERS] More patches for date/time I have accumulated several patches to add functionality to the datetime and timespan data types as well as to fix reported porting bugs on non-BSD machines. These patches are: dt.c.patch - add datetime_part(), fix bugs dt.h.patch - add quarter and timezone support, add prototypes globals.c.patch - add time and timezone variables miscadmin.h.patch - add time and timezone variables nabstime.c.patch - add datetime conversion routine nabstime.h.patch - add prototypes pg_operator.h.patch - add datetime operators, clean up formatting pg_proc.h.patch - add datetime functions, reassign conflicting date OIDs pg_type.h.patch - add datetime and timespan data types The dt.c and pg_proc.h patches are fairly large; the latter mostly because I tried to get some columns for existing entries to line up.
1997-03-25 09:11:24 +01:00
*
Apply (a somewhat revised version of) Greg Mullane's patch to eliminate heuristic determination of day vs month in date/time input. Add the ability to specify that input is interpreted as yy-mm-dd order (which formerly worked, but only for yy greater than 31). DateStyle's input component now has the preferred spellings DMY, MDY, or YMD; the older keywords European and US are now aliases for the first two of these. Per recent discussions on pgsql-general.
2003-07-29 02:03:19 +02:00
* DateStyle defines the output formatting choice for date/time types:
* USE_POSTGRES_DATES specifies traditional Postgres format
* USE_ISO_DATES specifies ISO-compliant format
* USE_SQL_DATES specifies Oracle/Ingres-compliant format
* USE_GERMAN_DATES specifies German-style dd.mm/yyyy
From: Thomas Lockhart <Thomas.G.Lockhart@jpl.nasa.gov> Subject: [HACKERS] More patches for date/time I have accumulated several patches to add functionality to the datetime and timespan data types as well as to fix reported porting bugs on non-BSD machines. These patches are: dt.c.patch - add datetime_part(), fix bugs dt.h.patch - add quarter and timezone support, add prototypes globals.c.patch - add time and timezone variables miscadmin.h.patch - add time and timezone variables nabstime.c.patch - add datetime conversion routine nabstime.h.patch - add prototypes pg_operator.h.patch - add datetime operators, clean up formatting pg_proc.h.patch - add datetime functions, reassign conflicting date OIDs pg_type.h.patch - add datetime and timespan data types The dt.c and pg_proc.h patches are fairly large; the latter mostly because I tried to get some columns for existing entries to line up.
1997-03-25 09:11:24 +01:00
*
Apply (a somewhat revised version of) Greg Mullane's patch to eliminate heuristic determination of day vs month in date/time input. Add the ability to specify that input is interpreted as yy-mm-dd order (which formerly worked, but only for yy greater than 31). DateStyle's input component now has the preferred spellings DMY, MDY, or YMD; the older keywords European and US are now aliases for the first two of these. Per recent discussions on pgsql-general.
2003-07-29 02:03:19 +02:00
* DateOrder defines the field order to be assumed when reading an
* ambiguous date (anything not in YYYY-MM-DD format, with a four-digit
* year field first, is taken to be ambiguous):
* DATEORDER_YMD specifies field order yy-mm-dd
* DATEORDER_DMY specifies field order dd-mm-yy ("European" convention)
* DATEORDER_MDY specifies field order mm-dd-yy ("US" convention)
From: Thomas Lockhart <Thomas.G.Lockhart@jpl.nasa.gov> Subject: [HACKERS] More patches for date/time I have accumulated several patches to add functionality to the datetime and timespan data types as well as to fix reported porting bugs on non-BSD machines. These patches are: dt.c.patch - add datetime_part(), fix bugs dt.h.patch - add quarter and timezone support, add prototypes globals.c.patch - add time and timezone variables miscadmin.h.patch - add time and timezone variables nabstime.c.patch - add datetime conversion routine nabstime.h.patch - add prototypes pg_operator.h.patch - add datetime operators, clean up formatting pg_proc.h.patch - add datetime functions, reassign conflicting date OIDs pg_type.h.patch - add datetime and timespan data types The dt.c and pg_proc.h patches are fairly large; the latter mostly because I tried to get some columns for existing entries to line up.
1997-03-25 09:11:24 +01:00
*
Apply (a somewhat revised version of) Greg Mullane's patch to eliminate heuristic determination of day vs month in date/time input. Add the ability to specify that input is interpreted as yy-mm-dd order (which formerly worked, but only for yy greater than 31). DateStyle's input component now has the preferred spellings DMY, MDY, or YMD; the older keywords European and US are now aliases for the first two of these. Per recent discussions on pgsql-general.
2003-07-29 02:03:19 +02:00
* In the Postgres and SQL DateStyles, DateOrder also selects output field
* order: day comes before month in DMY style, else month comes before day.
*
* The user-visible "DateStyle" run-time parameter subsumes both of these.
Resync the source tree, commit some things that were missing (pqcomprim.c) and bring in Thomas's updates for the date/time code...
1997-03-18 17:36:50 +01:00
*/
Apply (a somewhat revised version of) Greg Mullane's patch to eliminate heuristic determination of day vs month in date/time input. Add the ability to specify that input is interpreted as yy-mm-dd order (which formerly worked, but only for yy greater than 31). DateStyle's input component now has the preferred spellings DMY, MDY, or YMD; the older keywords European and US are now aliases for the first two of these. Per recent discussions on pgsql-general.
2003-07-29 02:03:19 +02:00
/* valid DateStyle values */
Massive commit to run PGINDENT on all *.c and *.h files.
1997-09-07 07:04:48 +02:00
#define USE_POSTGRES_DATES 0
#define USE_ISO_DATES 1
#define USE_SQL_DATES 2
Define USE_GERMAN_DATES for use in date/time I/O functions.
1997-12-05 00:58:01 +01:00
#define USE_GERMAN_DATES 3
From: Thomas Lockhart <Thomas.G.Lockhart@jpl.nasa.gov> Subject: [HACKERS] More patches for date/time I have accumulated several patches to add functionality to the datetime and timespan data types as well as to fix reported porting bugs on non-BSD machines. These patches are: dt.c.patch - add datetime_part(), fix bugs dt.h.patch - add quarter and timezone support, add prototypes globals.c.patch - add time and timezone variables miscadmin.h.patch - add time and timezone variables nabstime.c.patch - add datetime conversion routine nabstime.h.patch - add prototypes pg_operator.h.patch - add datetime operators, clean up formatting pg_proc.h.patch - add datetime functions, reassign conflicting date OIDs pg_type.h.patch - add datetime and timespan data types The dt.c and pg_proc.h patches are fairly large; the latter mostly because I tried to get some columns for existing entries to line up.
1997-03-25 09:11:24 +01:00
Apply (a somewhat revised version of) Greg Mullane's patch to eliminate heuristic determination of day vs month in date/time input. Add the ability to specify that input is interpreted as yy-mm-dd order (which formerly worked, but only for yy greater than 31). DateStyle's input component now has the preferred spellings DMY, MDY, or YMD; the older keywords European and US are now aliases for the first two of these. Per recent discussions on pgsql-general.
2003-07-29 02:03:19 +02:00
/* valid DateOrder values */
#define DATEORDER_YMD 0
#define DATEORDER_DMY 1
#define DATEORDER_MDY 2
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
1997-09-08 04:41:22 +02:00
extern int DateStyle;
Apply (a somewhat revised version of) Greg Mullane's patch to eliminate heuristic determination of day vs month in date/time input. Add the ability to specify that input is interpreted as yy-mm-dd order (which formerly worked, but only for yy greater than 31). DateStyle's input component now has the preferred spellings DMY, MDY, or YMD; the older keywords European and US are now aliases for the first two of these. Per recent discussions on pgsql-general.
2003-07-29 02:03:19 +02:00
extern int DateOrder;
/*
* HasCTZSet is true if user has set timezone as a numeric offset from UTC.
* If so, CTimeZone is the timezone offset in seconds (using the Unix-ish
* sign convention, ie, positive offset is west of UTC, rather than the
* SQL-ish convention that positive is east of UTC).
*/
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
1997-09-08 04:41:22 +02:00
extern bool HasCTZSet;
extern int CTimeZone;
Bring in a patch from Keith Parks to move the use of European dates from a #define to a run-time option '-e' Man page was updated to reflect new option
1997-01-26 16:32:28 +01:00
Apply (a somewhat revised version of) Greg Mullane's patch to eliminate heuristic determination of day vs month in date/time input. Add the ability to specify that input is interpreted as yy-mm-dd order (which formerly worked, but only for yy greater than 31). DateStyle's input component now has the preferred spellings DMY, MDY, or YMD; the older keywords European and US are now aliases for the first two of these. Per recent discussions on pgsql-general.
2003-07-29 02:03:19 +02:00
#define MAXTZLEN 10 /* max TZ name len, not counting tr. null */
The heralded `Grand Unified Configuration scheme' (GUC) That means you can now set your options in either or all of $PGDATA/configuration, some postmaster option (--enable-fsync=off), or set a SET command. The list of options is in backend/utils/misc/guc.c, documentation will be written post haste. pg_options is gone, so is that pq_geqo config file. Also removed were backend -K, -Q, and -T options (no longer applicable, although -d0 does the same as -Q). Added to configure an --enable-syslog option. changed all callers from TPRINTF to elog(DEBUG)
2000-05-31 02:28:42 +02:00
extern bool enableFsync;
pgindent run over code.
1999-05-25 18:15:34 +02:00
extern bool allowSystemTableMods;
Rename SortMem and VacuumMem to work_mem and maintenance_work_mem. Make btree index creation and initial validation of foreign-key constraints use maintenance_work_mem rather than work_mem as their memory limit. Add some code to guc.c to allow these variables to be referenced by their old names in SHOW and SET commands, for backwards compatibility.
2004-02-03 18:34:04 +01:00
extern DLLIMPORT int work_mem;
extern DLLIMPORT int maintenance_work_mem;
Cost based vacuum delay feature. Jan
2004-02-06 20:36:18 +01:00
extern int VacuumCostPageHit;
extern int VacuumCostPageMiss;
extern int VacuumCostPageDirty;
extern int VacuumCostLimit;
Rename vacuum_cost_naptime to vacuum_cost_delay, with agreement from Jan.
2004-08-06 06:15:09 +02:00
extern int VacuumCostDelay;
Centralize implementation of delay code by creating a pg_usleep() subroutine in src/port/pgsleep.c. Remove platform dependencies from miscadmin.h and put them in port.h where they belong. Extend recent vacuum cost-based-delay patch to apply to VACUUM FULL, ANALYZE, and non-btree index vacuuming. By the way, where is the documentation for the cost-based-delay patch?
2004-02-10 04:42:45 +01:00
extern int VacuumCostBalance;
Pgindent run for 8.0.
2004-08-29 07:07:03 +02:00
extern bool VacuumCostActive;
Cleanup global variables, remove stable memory stuff.
1997-08-14 18:11:41 +02:00
The heralded `Grand Unified Configuration scheme' (GUC) That means you can now set your options in either or all of $PGDATA/configuration, some postmaster option (--enable-fsync=off), or set a SET command. The list of options is in backend/utils/misc/guc.c, documentation will be written post haste. pg_options is gone, so is that pq_geqo config file. Also removed were backend -K, -Q, and -T options (no longer applicable, although -d0 does the same as -Q). Added to configure an --enable-syslog option. changed all callers from TPRINTF to elog(DEBUG)
2000-05-31 02:28:42 +02:00
Replace max_expr_depth parameter with a max_stack_depth parameter that is measured in kilobytes and checked against actual physical execution stack depth, as per my proposal of 30-Dec. This gives us a fairly bulletproof defense against crashing due to runaway recursive functions.
2004-03-24 23:40:29 +01:00
/* in tcop/postgres.c */
extern void check_stack_depth(void);
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
/*****************************************************************************
Massive commit to run PGINDENT on all *.c and *.h files.
1997-09-07 07:04:48 +02:00
* pdir.h -- *
* POSTGRES directory path definitions. *
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
*****************************************************************************/
Remove GetDatabaseName/Path and use globals. Make consts later.
1998-04-05 23:04:50 +02:00
extern char *DatabasePath;
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
/* now in utils/init/miscinit.c */
Fixed everything in and surrounding createdb and dropdb to make it more error-proof. Rearranged some old code and removed dead sections.
2000-01-13 19:26:18 +01:00
extern void SetDatabasePath(const char *path);
OK, folks, here is the pgindent output.
1998-09-01 06:40:42 +02:00
More cleanup of userid to be AclId rather than Oid.
2002-12-05 05:04:51 +01:00
extern char *GetUserNameFromId(AclId userid);
Make usesysid consistently int4, not oid. Catalog patch from Alvaro Herrera for same. catversion updated. initdb required.
2002-12-04 06:18:38 +01:00
extern AclId GetUserId(void);
More cleanup of userid to be AclId rather than Oid.
2002-12-05 05:04:51 +01:00
extern void SetUserId(AclId userid);
extern AclId GetSessionUserId(void);
extern void SetSessionUserId(AclId userid);
Add SET SESSION AUTHORIZATION command.
2001-05-08 23:06:43 +02:00
extern void InitializeSessionUserId(const char *username);
Make the world somewhat safe for (not from) DELETE FROM pg_shadow; Assign the fixed user id 1 to the user created by initdb. A stand-alone backend will always set the user id to 1. (Consequently, the name of that user is no longer important.) In stand-alone mode, the user id 1 will have implicit superuser status, to allow repairs even if there are no users defined. Print a warning message when starting in stand-alone mode when no users are defined. Disallow dropping the current user and session user. Granting/revoking superuser status also grants/revokes usecatupd. (Previously, it would never grant it back. This could lead to "deadlocks".) CREATE USER and CREATE GROUP will start allocating user ids at 100 (unless explicitly specified), to prevent accidental creation of a superuser (plus some room for future extensions).
2001-09-08 17:24:00 +02:00
extern void InitializeSessionUserIdStandalone(void);
Add is_superuser parameter reporting, soon to be used by psql.
2003-06-27 21:08:38 +02:00
extern void SetSessionAuthorization(AclId userid, bool is_superuser);
Implement differentiation between CURRENT_USER and SESSION_USER as per SQL. There is still no effective difference but it will kick in once setuid functions exist (not included here). Make old getpgusername() alias for current_user.
2000-09-19 20:18:04 +02:00
Make the backend grok relative paths for the data directory by converting it to an absolute path.
2000-11-04 13:43:24 +01:00
extern void SetDataDir(const char *dir);
Adjust configuration-files GUC behavior as per my recent proposal. The vars are renamed to data_directory, config_file, hba_file, and ident_file, and are guaranteed to be set to accurate absolute paths during postmaster startup. This commit does not yet do anything about hiding path values from non-superusers.
2004-10-10 01:13:22 +02:00
extern char *make_absolute_path(const char *path);
Make the backend grok relative paths for the data directory by converting it to an absolute path.
2000-11-04 13:43:24 +01:00
Allow a non-superuser database owner to vacuum all tables in his database, including system catalogs (but not the shared catalogs, since they don't really belong to his database). This is per recent mailing list discussion. Clean up some other code that also checks for database ownerness by introducing a test function is_dbadmin().
2001-06-13 23:44:41 +02:00
/* in utils/misc/superuser.c */
extern bool superuser(void); /* current user is superuser */
pgindent run.
2003-08-04 02:43:34 +02:00
extern bool superuser_arg(AclId userid); /* given user is superuser */
Allow a non-superuser database owner to vacuum all tables in his database, including system catalogs (but not the shared catalogs, since they don't really belong to his database). This is per recent mailing list discussion. Clean up some other code that also checks for database ownerness by introducing a test function is_dbadmin().
2001-06-13 23:44:41 +02:00
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
/*****************************************************************************
Massive commit to run PGINDENT on all *.c and *.h files.
1997-09-07 07:04:48 +02:00
* pmod.h -- *
* POSTGRES processing mode definitions. *
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
*****************************************************************************/
Remove useless LockDisable() function and associated overhead, per my proposal of 26-Aug.
2001-09-27 18:29:13 +02:00
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
/*
* Description:
Ye-old pgindent run. Same 4-space tabs.
2000-04-12 19:17:23 +02:00
* There are three processing modes in POSTGRES. They are
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
* BootstrapProcessing or "bootstrap," InitProcessing or
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
* "initialization," and NormalProcessing or "normal."
*
XLOG (also known as WAL -:)) Bootstrap/Startup/Shutdown. First step in cleaning up backend initialization code. Fix for FATAL: now FATAL is ERROR + exit.
1999-10-06 23:58:18 +02:00
* The first two processing modes are used during special times. When the
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
* system state indicates bootstrap processing, transactions are all given
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
* transaction id "one" and are consequently guaranteed to commit. This mode
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
* is used during the initial generation of template databases.
*
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
* Initialization mode: used while starting a backend, until all normal
pgindent run. Make it all clean.
2001-03-22 05:01:46 +01:00
* initialization is complete. Some code behaves differently when executed
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
* in this mode to enable system bootstrapping.
XLOG (also known as WAL -:)) Bootstrap/Startup/Shutdown. First step in cleaning up backend initialization code. Fix for FATAL: now FATAL is ERROR + exit.
1999-10-06 23:58:18 +02:00
*
* If a POSTGRES binary is in normal mode, then all code may be executed
Ye-old pgindent run. Same 4-space tabs.
2000-04-12 19:17:23 +02:00
* normally.
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
*/
Massive commit to run PGINDENT on all *.c and *.h files.
1997-09-07 07:04:48 +02:00
typedef enum ProcessingMode
{
Another pgindent run. Fixes enum indenting, and improves #endif spacing. Also adds space for one-line comments.
2001-10-28 07:26:15 +01:00
BootstrapProcessing, /* bootstrap creation of template database */
InitProcessing, /* initializing system */
NormalProcessing /* normal processing */
Used modified version of indent that understands over 100 typedefs.
1997-09-08 23:56:23 +02:00
} ProcessingMode;
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
Fixed everything in and surrounding createdb and dropdb to make it more error-proof. Rearranged some old code and removed dead sections.
2000-01-13 19:26:18 +01:00
extern ProcessingMode Mode;
#define IsBootstrapProcessingMode() ((bool)(Mode == BootstrapProcessing))
#define IsInitProcessingMode() ((bool)(Mode == InitProcessing))
#define IsNormalProcessingMode() ((bool)(Mode == NormalProcessing))
#define SetProcessingMode(mode) \
Ye-old pgindent run. Same 4-space tabs.
2000-04-12 19:17:23 +02:00
do { \
Restructure backend SIGINT/SIGTERM handling so that 'die' interrupts are treated more like 'cancel' interrupts: the signal handler sets a flag that is examined at well-defined spots, rather than trying to cope with an interrupt that might happen anywhere. See pghackers discussion of 1/12/01.
2001-01-14 06:08:17 +01:00
AssertArg((mode) == BootstrapProcessing || \
(mode) == InitProcessing || \
(mode) == NormalProcessing); \
Mode = (mode); \
Ye-old pgindent run. Same 4-space tabs.
2000-04-12 19:17:23 +02:00
} while(0)
Add these files to ${SRCDIR}/include
1996-10-31 08:10:14 +01:00
Fixed everything in and surrounding createdb and dropdb to make it more error-proof. Rearranged some old code and removed dead sections.
2000-01-13 19:26:18 +01:00
#define GetProcessingMode() Mode
Another PGINDENT run that changes variable indenting and case label indenting. Also static variable indenting.
1997-09-08 04:41:22 +02:00
Remove useless LockDisable() function and associated overhead, per my proposal of 26-Aug.
2001-09-27 18:29:13 +02:00
/*****************************************************************************
* pinit.h -- *
* POSTGRES initialization and cleanup definitions. *
*****************************************************************************/
/* in utils/init/postinit.c */
Remove GUC USERLIMIT variable category, making the affected variables plain SUSET instead. Also delay processing of options received in client connection request until after we know if the user is a superuser, so that SUSET values can be set that way by legitimate superusers. Per recent discussion.
2004-11-14 20:35:35 +01:00
extern bool InitPostgres(const char *dbname, const char *username);
Remove useless LockDisable() function and associated overhead, per my proposal of 26-Aug.
2001-09-27 18:29:13 +02:00
extern void BaseInit(void);
/* in utils/init/miscinit.c */
Repair some REINDEX problems per recent discussions. The relcache is now able to cope with assigning new relfilenode values to nailed-in-cache indexes, so they can be reindexed using the fully crash-safe method. This leaves only shared system indexes as special cases. Remove the 'index deactivation' code, since it provides no useful protection in the shared- index case. Require reindexing of shared indexes to be done in standalone mode, but remove other restrictions on REINDEX. -P (IgnoreSystemIndexes) now prevents using indexes for lookups, but does not disable index updates. It is therefore safe to allow from PGOPTIONS. Upshot: reindexing system catalogs can be done without a standalone backend for all cases except shared catalogs.
2003-09-24 20:54:02 +02:00
extern void IgnoreSystemIndexes(bool mode);
extern bool IsIgnoringSystemIndexes(void);
extern void SetReindexProcessing(Oid heapOid, Oid indexOid);
Some mop-up work for savepoints (nested transactions). Store a small number of active subtransaction XIDs in each backend's PGPROC entry, and use this to avoid expensive probes into pg_subtrans during TransactionIdIsInProgress. Extend EOXactCallback API to allow add-on modules to get control at subxact start/end. (This is deliberately not compatible with the former API, since any uses of that API probably need manual review anyway.) Add basic reference documentation for SAVEPOINT and related commands. Minor other cleanups to check off some of the open issues for subtransactions. Alvaro Herrera and Tom Lane.
2004-08-01 19:32:22 +02:00
extern void ResetReindexProcessing(void);
Repair some REINDEX problems per recent discussions. The relcache is now able to cope with assigning new relfilenode values to nailed-in-cache indexes, so they can be reindexed using the fully crash-safe method. This leaves only shared system indexes as special cases. Remove the 'index deactivation' code, since it provides no useful protection in the shared- index case. Require reindexing of shared indexes to be done in standalone mode, but remove other restrictions on REINDEX. -P (IgnoreSystemIndexes) now prevents using indexes for lookups, but does not disable index updates. It is therefore safe to allow from PGOPTIONS. Upshot: reindexing system catalogs can be done without a standalone backend for all cases except shared catalogs.
2003-09-24 20:54:02 +02:00
extern bool ReindexIsProcessingHeap(Oid heapOid);
extern bool ReindexIsProcessingIndex(Oid indexOid);
elog mop-up: bring some straggling fprintf(stderr)'s into the elog world.
2003-07-27 23:49:55 +02:00
extern void CreateDataDirLockFile(const char *datadir, bool amPostmaster);
extern void CreateSocketLockFile(const char *socketfile, bool amPostmaster);
Re-read Unix-socket lock file every so often (every CheckPoint interval, actually) to ensure that its file access time doesn't get old enough to tempt a /tmp directory cleaner to remove it. Still another reason we should never have put the sockets in /tmp in the first place ...
2001-01-27 01:05:31 +01:00
extern void TouchSocketLockFile(void);
Create an internal semaphore API that is not tied to SysV semaphores. As proof of concept, provide an alternate implementation based on POSIX semaphores. Also push the SysV shared-memory implementation into a separate file so that it can be replaced conveniently.
2002-05-05 02:03:29 +02:00
extern void RecordSharedMemoryInLockFile(unsigned long id1,
pgindent run.
2002-09-04 22:31:48 +02:00
unsigned long id2);
Version number now set in configure, available through Makefile.global and config.h. Adjusted all referring code. Scrapped pg_version and changed initdb accordingly. Integrated src/utils/version.c into src/backend/utils/init/miscinit.c. Changed all callers. Set version number to `7.1devel'. (Non-numeric version suffixes now allowed.)
2000-07-02 17:21:27 +02:00
extern void ValidatePgVersion(const char *path);
> I can see a couple possible downsides: (a) the library might have some > weird behavior across fork boundaries; (b) the additional memory space > that has to be duplicated into child processes will cost something per > child launch, even if the child never uses it. But these are only > arguments that it might not *always* be a prudent thing to do, not that > we shouldn't give the DBA the tool to do it if he wants. So fire away. Here is a patch for the above, including a documentation update. It creates a new GUC variable "preload_libraries", that accepts a list in the form: preload_libraries = '$libdir/mylib1:initfunc,$libdir/mylib2' If ":initfunc" is omitted or not found, no initialization function is executed, but the library is still preloaded. If "$libdir/mylib" isn't found, the postmaster refuses to start. In my testing with PL/R, it reduces the first call to a PL/R function (after connecting) from almost 2 seconds, down to about 8 ms. Joe Conway
2003-03-20 05:51:44 +01:00
extern void process_preload_libraries(char *preload_libraries_string);
Version number now set in configure, available through Makefile.global and config.h. Adjusted all referring code. Scrapped pg_version and changed initdb accordingly. Integrated src/utils/version.c into src/backend/utils/init/miscinit.c. Changed all callers. Set version number to `7.1devel'. (Non-numeric version suffixes now allowed.)
2000-07-02 17:21:27 +02:00
New pgindent run with fixes suggested by Tom. Patch manually reviewed, initdb/regression tests pass.
2001-11-05 18:46:40 +01:00
#endif /* MISCADMIN_H */