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Postgres FD Implementation
Commit 17befd6c authored by Bryan Henderson's avatar Bryan Henderson
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Use new utils/version.c instead of backend/utils/init/magic.c.

parent bbe89089
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src/backend/Makefile
View file @ 17befd6c
......@@ -34,7 +34,7 @@
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/Makefile,v 1.14 1996/11/03 09:05:30 bryanh Exp $
# $Header: /cvsroot/pgsql/src/backend/Makefile,v 1.15 1996/11/12 06:46:04 bryanh Exp $
#
#-------------------------------------------------------------------------
......@@ -131,7 +131,8 @@ OBJS = access/SUBSYS.o bootstrap/SUBSYS.o catalog/SUBSYS.o \
lib/SUBSYS.o libpq/SUBSYS.o main/SUBSYS.o nodes/SUBSYS.o \
optimizer/SUBSYS.o parser/SUBSYS.o port/SUBSYS.o \
postmaster/SUBSYS.o regex/SUBSYS.o rewrite/SUBSYS.o \
storage/SUBSYS.o tcop/SUBSYS.o utils/SUBSYS.o
storage/SUBSYS.o tcop/SUBSYS.o utils/SUBSYS.o \
../utils/version.o
ifdef TIOGA
OBJS += tioga/SUBSYS.o
......@@ -139,7 +140,7 @@ endif
all: postgres global1.bki.source local1_template1.bki.source
postgres: postgres_group1 postgres_group2 postgres_group3 postgres_group4
postgres: postgres_group1 postgres_group2 postgres_group3 postgres_group4
$(CC) $(LDFLAGS) -o postgres $(OBJS) $(LDADD)
postgres_group1:
......@@ -167,6 +168,7 @@ postgres_group4:
ifdef TIOGA
$(MAKE) -C tioga all
endif
$(MAKE) -C ../utils version.o
global1.bki.source local1_template1.bki.source:
$(MAKE) -C catalog $@
......
src/backend/postmaster/postmaster.c
View file @ 17befd6c
......@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.23 1996/11/10 03:01:41 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.24 1996/11/12 06:46:36 bryanh Exp $
*
* NOTES
*
......@@ -75,6 +75,7 @@
#include "libpq/auth.h"
#include "libpq/pqcomm.h"
#include "miscadmin.h"
#include "version.h"
#include "lib/dllist.h"
#include "nodes/nodes.h"
#include "utils/mcxt.h"
......@@ -1186,18 +1187,27 @@ checkDataDir(void)
SEP_CHAR);
if ((fp=fopen(path, "r")) == NULL) {
fprintf(stderr, "%s does not find the database. Expected to find it "
"in the PGDATA directory \"%s\", but unable to open directory "
"in the PGDATA directory \"%s\", but unable to open file "
"with pathname \"%s\".\n",
progname, DataDir, path);
exit(2);
}
fclose(fp);
#ifndef WIN32
if (!ValidPgVersion(DataDir)) {
fprintf(stderr, "%s: data base in \"%s\" is of a different version.\n",
progname, DataDir);
exit(2);
#ifndef WIN32
{
char *reason; /* reason ValidatePgVersion failed. NULL if didn't */
ValidatePgVersion(DataDir, &reason);
if (reason) {
fprintf(stderr,
"Database system in directory %s "
"is not compatible with this version of "
"Postgres, or we are unable to read the PG_VERSION file. "
"Explanation from ValidatePgVersion: %s\n",
DataDir, reason);
free(reason);
exit(2);
}
}
#endif /* WIN32 */
}
......
src/backend/utils/init/Makefile
View file @ 17befd6c
......@@ -4,7 +4,7 @@
# Makefile for utils/init
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/backend/utils/init/Makefile,v 1.2 1996/11/09 06:23:41 momjian Exp $
# $Header: /cvsroot/pgsql/src/backend/utils/init/Makefile,v 1.3 1996/11/12 06:46:40 bryanh Exp $
#
#-------------------------------------------------------------------------
......@@ -20,7 +20,7 @@ CFLAGS += $(INCLUDE_OPT)
CFLAGS += -DPOSTGRESDIR='"$(POSTGRESDIR)"' -DPGDATADIR='"$(DATADIR)"' \
-DPOSTPORT='"$(POSTPORT)"'
OBJS = enbl.o findbe.o globals.o magic.o miscinit.o postinit.o
OBJS = enbl.o findbe.o globals.o miscinit.o postinit.o
all: SUBSYS.o
......
src/backend/utils/init/postinit.c
View file @ 17befd6c
......@@ -7,22 +7,22 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.5 1996/11/08 06:00:33 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.6 1996/11/12 06:46:42 bryanh Exp $
*
* NOTES
* InitPostgres() is the function called from PostgresMain
* which does all non-trival initialization, mainly by calling
* all the other initialization functions. InitPostgres()
* is only used within the "postgres" backend and so that routine
* is in tcop/postgres.c InitPostgres() is needed in cinterface.a
* because things like the bootstrap backend program need it. Hence
* you find that in this file...
* InitPostgres() is the function called from PostgresMain
* which does all non-trival initialization, mainly by calling
* all the other initialization functions. InitPostgres()
* is only used within the "postgres" backend and so that routine
* is in tcop/postgres.c InitPostgres() is needed in cinterface.a
* because things like the bootstrap backend program need it. Hence
* you find that in this file...
*
* If you feel the need to add more initialization code, it should be
* done in InitPostgres() or someplace lower. Do not start
* putting stuff in PostgresMain - if you do then someone
* will have to clean it up later, and it's not going to be me!
* -cim 10/3/90
* If you feel the need to add more initialization code, it should be
* done in InitPostgres() or someplace lower. Do not start
* putting stuff in PostgresMain - if you do then someone
* will have to clean it up later, and it's not going to be me!
* -cim 10/3/90
*
*-------------------------------------------------------------------------
*/
......@@ -30,12 +30,14 @@
#include <stdio.h>
#include <string.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <math.h>
#include <unistd.h>
#include "postgres.h"
#include "version.h"
#include <storage/backendid.h>
#include <storage/buf_internals.h>
......@@ -46,22 +48,22 @@
#include "access/heapam.h"
#include "access/xact.h"
#include "storage/bufmgr.h"
#include "access/transam.h" /* XXX dependency problem */
#include "access/transam.h" /* XXX dependency problem */
#include "utils/tqual.h"
#include "utils/syscache.h"
#include "storage/bufpage.h" /* for page layout, for InitMyDatabaseId() */
#include "storage/bufpage.h" /* for page layout, for InitMyDatabaseId() */
#include "storage/sinval.h"
#include "storage/sinvaladt.h"
#include "storage/lmgr.h"
#include "miscadmin.h" /* for global decls */
#include "utils/portal.h" /* for EnablePortalManager, etc. */
#include "utils/portal.h" /* for EnablePortalManager, etc. */
#include "utils/exc.h" /* for EnableExceptionHandling, etc. */
#include "fmgr.h" /* for EnableDynamicFunctionManager, etc. */
#include "utils/exc.h" /* for EnableExceptionHandling, etc. */
#include "fmgr.h" /* for EnableDynamicFunctionManager, etc. */
#include "utils/elog.h"
#include "utils/palloc.h"
#include "utils/mcxt.h" /* for EnableMemoryContext, etc. */
#include "utils/mcxt.h" /* for EnableMemoryContext, etc. */
#include "catalog/catname.h"
#include "catalog/pg_database.h"
......@@ -70,54 +72,54 @@
#include "libpq/libpq-be.h"
static IPCKey PostgresIpcKey;
static IPCKey PostgresIpcKey;
#ifndef private
#ifndef EBUG
#define private static
#else /* !defined(EBUG) */
#ifndef private
#ifndef EBUG
#define private static
#else /* !defined(EBUG) */
#define private
#endif /* !defined(EBUG) */
#endif /* !defined(private) */
#endif /* !defined(EBUG) */
#endif /* !defined(private) */
/* ----------------------------------------------------------------
* InitPostgres support
* InitPostgres support
* ----------------------------------------------------------------
*/
/* --------------------------------
* InitMyDatabaseId() -- Find and record the OID of the database we are
* to open.
* to open.
*
* The database's oid forms half of the unique key for the system
* caches and lock tables. We therefore want it initialized before
* we open any relations, since opening relations puts things in the
* cache. To get around this problem, this code opens and scans the
* pg_database relation by hand.
* The database's oid forms half of the unique key for the system
* caches and lock tables. We therefore want it initialized before
* we open any relations, since opening relations puts things in the
* cache. To get around this problem, this code opens and scans the
* pg_database relation by hand.
*
* This algorithm relies on the fact that first attribute in the
* pg_database relation schema is the database name. It also knows
* about the internal format of tuples on disk and the length of
* the datname attribute. It knows the location of the pg_database
* file.
* This algorithm relies on the fact that first attribute in the
* pg_database relation schema is the database name. It also knows
* about the internal format of tuples on disk and the length of
* the datname attribute. It knows the location of the pg_database
* file.
*
* This code is called from InitDatabase(), after we chdir() to the
* database directory but before we open any relations.
* This code is called from InitDatabase(), after we chdir() to the
* database directory but before we open any relations.
* --------------------------------
*/
void
InitMyDatabaseId()
{
int dbfd;
int fileflags;
int nbytes;
int max, i;
HeapTuple tup;
Page pg;
PageHeader ph;
char *dbfname;
Form_pg_database tup_db;
int dbfd;
int fileflags;
int nbytes;
int max, i;
HeapTuple tup;
Page pg;
PageHeader ph;
char *dbfname;
Form_pg_database tup_db;
/*
* At bootstrap time, we don't need to check the oid of the database
......@@ -126,8 +128,8 @@ InitMyDatabaseId()
*/
if (IsBootstrapProcessingMode()) {
LockDisable(true);
return;
LockDisable(true);
return;
}
dbfname = (char *) palloc(strlen(DataDir) + strlen("pg_database") + 2);
......@@ -138,14 +140,14 @@ InitMyDatabaseId()
#endif /* WIN32 */
if ((dbfd = open(dbfname, O_RDONLY, 0666)) < 0)
elog(FATAL, "Cannot open %s", dbfname);
elog(FATAL, "Cannot open %s", dbfname);
pfree(dbfname);
/* ----------------
* read and examine every page in pg_database
* read and examine every page in pg_database
*
* Raw I/O! Read those tuples the hard way! Yow!
* Raw I/O! Read those tuples the hard way! Yow!
*
* Why don't we use the access methods or move this code
* someplace else? This is really pg_database schema dependent
......@@ -163,58 +165,58 @@ InitMyDatabaseId()
ph = (PageHeader) pg;
while ((nbytes = read(dbfd, pg, BLCKSZ)) == BLCKSZ) {
max = PageGetMaxOffsetNumber(pg);
/* look at each tuple on the page */
for (i = 0; i <= max; i++) {
int offset;
/* if it's a freed tuple, ignore it */
if (!(ph->pd_linp[i].lp_flags & LP_USED))
continue;
/* get a pointer to the tuple itself */
offset = (int) ph->pd_linp[i].lp_off;
tup = (HeapTuple) (((char *) pg) + offset);
/*
* if the tuple has been deleted (the database was destroyed),
* skip this tuple. XXX warning, will robinson: violation of
* transaction semantics happens right here. we should check
* to be sure that the xact that deleted this tuple actually
* committed. only way to do this at init time is to paw over
* the log relation by hand, too. let's be optimistic.
*
* XXX This is an evil type cast. tup->t_xmax is char[5] while
* TransactionId is struct * { char data[5] }. It works but
* if data is ever moved and no longer the first field this
* will be broken!! -mer 11 Nov 1991.
*/
if (TransactionIdIsValid((TransactionId)tup->t_xmax))
continue;
/*
* Okay, see if this is the one we want.
* XXX 1 july 91: mao and mer discover that tuples now squash
* t_bits. Why is this?
*
* 24 july 92: mer realizes that the t_bits field is only
* used in the event of null values. If no
* fields are null we reduce the header size
* by doing the squash. t_hoff tells you exactly
* how big the header actually is. use the PC
* means of getting at sys cat attrs.
*/
tup_db = (Form_pg_database)GETSTRUCT(tup);
if (strncmp(GetDatabaseName(),
&(tup_db->datname.data[0]),
16) == 0)
{
MyDatabaseId = tup->t_oid;
goto done;
}
}
max = PageGetMaxOffsetNumber(pg);
/* look at each tuple on the page */
for (i = 0; i <= max; i++) {
int offset;
/* if it's a freed tuple, ignore it */
if (!(ph->pd_linp[i].lp_flags & LP_USED))
continue;
/* get a pointer to the tuple itself */
offset = (int) ph->pd_linp[i].lp_off;
tup = (HeapTuple) (((char *) pg) + offset);
/*
* if the tuple has been deleted (the database was destroyed),
* skip this tuple. XXX warning, will robinson: violation of
* transaction semantics happens right here. we should check
* to be sure that the xact that deleted this tuple actually
* committed. only way to do this at init time is to paw over
* the log relation by hand, too. let's be optimistic.
*
* XXX This is an evil type cast. tup->t_xmax is char[5] while
* TransactionId is struct * { char data[5] }. It works but
* if data is ever moved and no longer the first field this
* will be broken!! -mer 11 Nov 1991.
*/
if (TransactionIdIsValid((TransactionId)tup->t_xmax))
continue;
/*
* Okay, see if this is the one we want.
* XXX 1 july 91: mao and mer discover that tuples now squash
* t_bits. Why is this?
*
* 24 july 92: mer realizes that the t_bits field is only
* used in the event of null values. If no
* fields are null we reduce the header size
* by doing the squash. t_hoff tells you exactly
* how big the header actually is. use the PC
* means of getting at sys cat attrs.
*/
tup_db = (Form_pg_database)GETSTRUCT(tup);
if (strncmp(GetDatabaseName(),
&(tup_db->datname.data[0]),
16) == 0)
{
MyDatabaseId = tup->t_oid;
goto done;
}
}
}
done:
......@@ -222,84 +224,121 @@ InitMyDatabaseId()
pfree(pg);
if (!OidIsValid(MyDatabaseId))
elog(FATAL,
"Database %s does not exist in %s",
GetDatabaseName(),
DatabaseRelationName);
elog(FATAL,
"Database %s does not exist in %s",
GetDatabaseName(),
DatabaseRelationName);
}
/*
* DoChdirAndInitDatabaseNameAndPath --
* Sets current directory appropriately for given path and name.
* Set current directory to the database directory for the database
* named <name>.
* Also set global variables DatabasePath and DatabaseName to those
* values. Also check for proper version of database system and
* database. Exit program via elog() if anything doesn't check out.
*
* Arguments:
* Path and name are invalid if it invalid as a string.
* Path is "badly formated" if it is not a string containing a path
* to a writable directory.
* Name is "badly formated" if it contains more than 16 characters or if
* it is a bad file name (e.g., it contains a '/' or an 8-bit character).
*
* Side effects:
* Initially, DatabasePath and DatabaseName are invalid. They are
* set to valid strings before this function returns.
* Path and name are invalid if it invalid as a string.
* Path is "badly formated" if it is not a string containing a path
* to a writable directory.
* Name is "badly formated" if it contains more than 16 characters or if
* it is a bad file name (e.g., it contains a '/' or an 8-bit character).
*
* Exceptions:
* BadState if called more than once.
* BadArg if both path and name are "badly formated" or invalid.
* BadArg if path and name are both "inconsistent" and valid.
*/
/* ----------------
* DoChdirAndInitDatabaseNameAndPath
* BadState if called more than once.
* BadArg if both path and name are "badly formated" or invalid.
* BadArg if path and name are both "inconsistent" and valid.
*
* this just chdir's to the proper data/base directory
* XXX clean this up more.
*
* XXX The following code is an incorrect of the semantics
* XXX described in the header file. Handling of defaults
* XXX should happen here, too.
* ----------------
* This routine is inappropriate in bootstrap mode, since the directories
* and version files need not exist yet if we're in bootstrap mode.
*/
void
DoChdirAndInitDatabaseNameAndPath(char *name, /* name of database */
char *path) /* full path to database */
{
/* ----------------
* check the path
* ----------------
*/
if (path)
SetDatabasePath(path);
else
elog(FATAL, "DoChdirAndInitDatabaseNameAndPath: path:%s is not valid",
path);
/* ----------------
* check the name
* ----------------
*/
if (name)
SetDatabaseName(name);
else
elog(FATAL, "DoChdirAndInitDatabaseNameAndPath: name:%s is not valid",
name);
/* ----------------
* change to the directory, or die trying.
*
* XXX unless the path hasn't been set because we're bootstrapping.
* HP-UX doesn't like chdir("") so check for that case before
* doing anything drastic.
* ----------------
*/
if (*path && (chdir(path) < 0))
elog(FATAL, "DoChdirAndInitDatabaseNameAndPath: chdir(\"%s\"): %m",
path);
static void
DoChdirAndInitDatabaseNameAndPath(char *name) {
char *reason;
/* Failure reason returned by some function. NULL if no failure */
#ifndef WIN32
struct stat statbuf;
#else
struct _stat statbuf;
#endif
char errormsg[1000];
if (stat(DataDir, &statbuf) < 0)
sprintf(errormsg, "Database system does not exist. "
"PGDATA directory '%s' not found. Normally, you "
"create a database system by running initdb.",
DataDir);
else {
char myPath[MAXPGPATH]; /* DatabasePath points here! */
if (strlen(DataDir) + strlen(name) + 10 > sizeof(myPath))
sprintf(errormsg, "Internal error in postinit.c: database "
"pathname exceeds maximum allowable length.");
else {
sprintf(myPath, "%s/base/%s", DataDir, name);
if (stat(myPath, &statbuf) < 0)
sprintf(errormsg,
"Database '%s' does not exist. "
"(We know this because the directory '%s' "
"does not exist). You can create a database "
"with the SQL command CREATE DATABASE. To see "
"what databases exist, look at the subdirectories "
"of '%s/base/'.",
name, myPath, DataDir);
else {
ValidatePgVersion(DataDir, &reason);
if (reason != NULL)
sprintf(errormsg,
"InitPostgres could not validate that the database "
"system version is compatible with this level of "
"Postgres. You may need to run initdb to create "
"a new database system. %s",
reason);
else {
ValidatePgVersion(myPath, &reason);
if (reason != NULL)
sprintf(errormsg,
"InitPostgres could not validate that the "
"database version is compatible with this level "
"of Postgres, even though the database system "
"as a whole appears to be at a compatible level. "
"You may need to recreate the database with SQL "
"commands DROP DATABASE and CREATE DATABASE. "
"%s",
reason);
else {
/* The directories and PG_VERSION files are in order.*/
int rc; /* return code from some function we call */
SetDatabasePath(myPath);
SetDatabaseName(name);
rc = chdir(myPath);
if (rc < 0)
sprintf(errormsg,
"InitPostgres unable to change "
"current directory to '%s', errno = %s (%d).",
myPath, strerror(errno), errno);
else errormsg[0] = '\0';
}
}
}
}
}
if (errormsg[0] != '\0')
elog(FATAL, errormsg);
/* Above does not return */
}
/* --------------------------------
* InitUserid
* InitUserid
*
* initializes crap associated with the user id.
* initializes crap associated with the user id.
* --------------------------------
*/
void
......@@ -310,35 +349,35 @@ InitUserid()
}
/* --------------------------------
* InitCommunication
* InitCommunication
*
* This routine initializes stuff needed for ipc, locking, etc.
* it should be called something more informative.
* This routine initializes stuff needed for ipc, locking, etc.
* it should be called something more informative.
*
* Note:
* This does not set MyBackendId. MyBackendTag is set, however.
* This does not set MyBackendId. MyBackendTag is set, however.
* --------------------------------
*/
void
InitCommunication()
{
char *getenv(); /* XXX style */
char *getenv(); /* XXX style */
char *postid;
char *postport;
IPCKey key = 0;
IPCKey key = 0;
/* ----------------
* try and get the backend tag from POSTID
* try and get the backend tag from POSTID
* ----------------
*/
MyBackendId = -1;
postid = getenv("POSTID");
if (!PointerIsValid(postid)) {
MyBackendTag = -1;
MyBackendTag = -1;
} else {
MyBackendTag = atoi(postid);
Assert(MyBackendTag >= 0);
MyBackendTag = atoi(postid);
Assert(MyBackendTag >= 0);
}
/* ----------------
......@@ -348,62 +387,62 @@ InitCommunication()
postport = getenv("POSTPORT");
if (PointerIsValid(postport)) {
SystemPortAddress address = atoi(postport);
if (address == 0)
elog(FATAL, "InitCommunication: invalid POSTPORT");
if (MyBackendTag == -1)
elog(FATAL, "InitCommunication: missing POSTID");
key = SystemPortAddressCreateIPCKey(address);
/*
* Enable this if you are trying to force the backend to run as if it
* is running under the postmaster.
*
* This goto forces Postgres to attach to shared memory instead of
* using malloc'ed memory (which is the normal behavior if run
* directly).
*
* To enable emulation, run the following shell commands (in addition
* to enabling this goto)
*
* % setenv POSTID 1
* % setenv POSTPORT 4321
* % postmaster &
* % kill -9 %1
*
* Upon doing this, Postmaster will have allocated the shared memory
* resources that Postgres will attach to if you enable
* EMULATE_UNDER_POSTMASTER.
*
* This comment may well age with time - it is current as of
* 8 January 1990
*
* Greg
*/
SystemPortAddress address = atoi(postport);
if (address == 0)
elog(FATAL, "InitCommunication: invalid POSTPORT");
if (MyBackendTag == -1)
elog(FATAL, "InitCommunication: missing POSTID");
key = SystemPortAddressCreateIPCKey(address);
/*
* Enable this if you are trying to force the backend to run as if it
* is running under the postmaster.
*
* This goto forces Postgres to attach to shared memory instead of
* using malloc'ed memory (which is the normal behavior if run
* directly).
*
* To enable emulation, run the following shell commands (in addition
* to enabling this goto)
*
* % setenv POSTID 1
* % setenv POSTPORT 4321
* % postmaster &
* % kill -9 %1
*
* Upon doing this, Postmaster will have allocated the shared memory
* resources that Postgres will attach to if you enable
* EMULATE_UNDER_POSTMASTER.
*
* This comment may well age with time - it is current as of
* 8 January 1990
*
* Greg
*/
#ifdef EMULATE_UNDER_POSTMASTER
goto forcesharedmemory;
goto forcesharedmemory;
#endif
} else if (IsUnderPostmaster) {
elog(FATAL,
"InitCommunication: under postmaster and POSTPORT not set");
elog(FATAL,
"InitCommunication: under postmaster and POSTPORT not set");
} else {
/* ----------------
* assume we're running a postgres backend by itself with
* no front end or postmaster.
* ----------------
*/
if (MyBackendTag == -1) {
MyBackendTag = 1;
}
key = PrivateIPCKey;
/* ----------------
* assume we're running a postgres backend by itself with
* no front end or postmaster.
* ----------------
*/
if (MyBackendTag == -1) {
MyBackendTag = 1;
}
key = PrivateIPCKey;
}
/* ----------------
......@@ -422,11 +461,11 @@ InitCommunication()
/* --------------------------------
* InitStdio
* InitStdio
*
* this routine consists of a bunch of code fragments
* that used to be randomly scattered through cinit().
* they all seem to do stuff associated with io.
* this routine consists of a bunch of code fragments
* that used to be randomly scattered through cinit().
* they all seem to do stuff associated with io.
* --------------------------------
*/
void
......@@ -437,10 +476,10 @@ InitStdio()
/* --------------------------------
* InitPostgres --
* Initialize POSTGRES.
* Initialize POSTGRES.
*
* Note:
* Be very careful with the order of calls in the InitPostgres function.
* Be very careful with the order of calls in the InitPostgres function.
* --------------------------------
*/
bool PostgresIsInitialized = false;
......@@ -452,49 +491,49 @@ extern int NBuffers;
* applications.
*/
/*int testFlag = 0;*/
int lockingOff = 0;
/*int testFlag = 0;*/
int lockingOff = 0;
/*
*/
void
InitPostgres(char *name) /* database name */
InitPostgres(char *name) /* database name */
{
bool bootstrap; /* true if BootstrapProcessing */
bool bootstrap; /* true if BootstrapProcessing */
/* ----------------
* see if we're running in BootstrapProcessing mode
* see if we're running in BootstrapProcessing mode
* ----------------
*/
bootstrap = IsBootstrapProcessingMode();
/* ----------------
* turn on the exception handler. Note: we cannot use elog, Assert,
* turn on the exception handler. Note: we cannot use elog, Assert,
* AssertState, etc. until after exception handling is on.
* ----------------
*/
EnableExceptionHandling(true);
/* ----------------
* A stupid check to make sure we don't call this more than once.
* A stupid check to make sure we don't call this more than once.
* But things like ReinitPostgres() get around this by just diddling
* the PostgresIsInitialized flag.
* the PostgresIsInitialized flag.
* ----------------
*/
AssertState(!PostgresIsInitialized);
/* ----------------
* Memory system initialization.
* Memory system initialization.
* (we may call palloc after EnableMemoryContext())
*
* Note EnableMemoryContext() must happen before EnablePortalManager().
* ----------------
*/
EnableMemoryContext(true); /* initializes the "top context" */
EnablePortalManager(true); /* memory for portal/transaction stuff */
EnableMemoryContext(true); /* initializes the "top context" */
EnablePortalManager(true); /* memory for portal/transaction stuff */
/* ----------------
* initialize the backend local portal stack used by
* initialize the backend local portal stack used by
* internal PQ function calls. see src/lib/libpq/be-dumpdata.c
* This is different from the "portal manager" so this goes here.
* -cim 2/12/91
......@@ -503,7 +542,7 @@ InitPostgres(char *name) /* database name */
be_portalinit();
/* ----------------
* attach to shared memory and semaphores, and initialize our
* attach to shared memory and semaphores, and initialize our
* input/output/debugging file descriptors.
* ----------------
*/
......@@ -518,48 +557,20 @@ InitPostgres(char *name) /* database name */
if (!TransactionFlushEnabled())
on_exitpg(FlushBufferPool, (caddr_t) NULL);
/* ----------------
* check for valid "meta gunk" (??? -cim 10/5/90) and change to
* database directory.
*
* Note: DatabaseName, MyDatabaseName, and DatabasePath are all
* initialized with DatabaseMetaGunkIsConsistent(), strncpy() and
* DoChdirAndInitDatabase() below! XXX clean this crap up!
* -cim 10/5/90
* ----------------
*/
{
char myPath[MAXPGPATH] = "."; /* DatabasePath points here! */
/* ----------------
* DatabaseMetaGunkIsConsistent fills in myPath, but what about
* when bootstrap or Noversion is true?? -cim 10/5/90
* ----------------
*/
if (! bootstrap &&
! DatabaseMetaGunkIsConsistent(name, myPath) &&
! Noversion) {
elog(NOTICE, "InitPostgres: could not locate valid PG_VERSION\n");
elog(NOTICE, "files for %s and %s.", DataDir, name);
elog(FATAL, "Have you run initdb/createdb and set PGDATA properly?");
}
/* ----------------
* ok, we've figured out myName and myPath, now save these
* and chdir to myPath.
* ----------------
*/
DoChdirAndInitDatabaseNameAndPath(name, myPath);
if (bootstrap) {
SetDatabasePath(".");
SetDatabaseName(name);
} else {
DoChdirAndInitDatabaseNameAndPath(name);
}
/* ********************************
* code after this point assumes we are in the proper directory!
* code after this point assumes we are in the proper directory!
* ********************************
*/
/* ----------------
* initialize the database id used for system caches and lock tables
* initialize the database id used for system caches and lock tables
* ----------------
*/
InitMyDatabaseId();
......@@ -567,7 +578,7 @@ InitPostgres(char *name) /* database name */
smgrinit();
/* ----------------
* initialize the transaction system and the relation descriptor
* initialize the transaction system and the relation descriptor
* cache. Note we have to make certain the lock manager is off while
* we do this.
* ----------------
......@@ -582,13 +593,13 @@ InitPostgres(char *name) /* database name */
* we only lock it to examine AMI transaction status, and this is
* never written after initdb is done. -mer 15 June 1992
*/
RelationInitialize(); /* pre-allocated reldescs created here */
RelationInitialize(); /* pre-allocated reldescs created here */
InitializeTransactionSystem(); /* pg_log,etc init/crash recovery here */
LockDisable(false);
/* ----------------
* anyone knows what this does? something having to do with
* anyone knows what this does? something having to do with
* system catalog cache invalidation in the case of multiple
* backends, I think -cim 10/3/90
* Sets up MyBackendId a unique backend identifier.
......@@ -605,9 +616,9 @@ InitPostgres(char *name) /* database name */
InitProcess(PostgresIpcKey);
if (MyBackendId > MaxBackendId || MyBackendId <= 0) {
elog(FATAL, "cinit2: bad backend id %d (%d)",
MyBackendTag,
MyBackendId);
elog(FATAL, "cinit2: bad backend id %d (%d)",
MyBackendTag,
MyBackendId);
}
/* ----------------
......@@ -617,7 +628,7 @@ InitPostgres(char *name) /* database name */
initam();
/* ----------------
* initialize all the system catalog caches.
* initialize all the system catalog caches.
* ----------------
*/
zerocaches();
......@@ -632,7 +643,7 @@ InitPostgres(char *name) /* database name */
InitUserid();
/* ----------------
* ok, all done, now let's make sure we don't do it again.
* ok, all done, now let's make sure we don't do it again.
* ----------------
*/
PostgresIsInitialized = true;
......@@ -644,10 +655,10 @@ InitPostgres(char *name) /* database name */
* ----------------
*/
if (!bootstrap)
SetProcessingMode(NormalProcessing);
SetProcessingMode(NormalProcessing);
/* if (testFlag || lockingOff) */
if (lockingOff)
LockDisable(true);
LockDisable(true);
}
src/bin/pg_version/Makefile
View file @ 17befd6c
......@@ -7,20 +7,34 @@
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/bin/pg_version/Attic/Makefile,v 1.1.1.1 1996/07/09 06:22:14 scrappy Exp $
# $Header: /cvsroot/pgsql/src/bin/pg_version/Attic/Makefile,v 1.2 1996/11/12 06:46:54 bryanh Exp $
#
#-------------------------------------------------------------------------
PROG= pg_version
MKDIR= ../../mk
include $(MKDIR)/postgres.mk
SRCDIR= ../..
include ../Makefile.global
include ../../Makefile.global
OBJS= pg_version.o ../../utils/version.o
all: pg_version
pg_version: submake $(OBJS)
$(CC) $(LDFLAGS) -o pg_version $(OBJS) $(LD_ADD)
.PHONY: submake
submake:
$(MAKE) -C ../../utils version.o
VPATH:=$(VPATH):$(srcdir)/backend/utils/init
SRCS= pg_version.c magic.c
install: pg_version
$(INSTALL) $(INSTL_EXE_OPTS) pg_version $(DESTDIR)$(BINDIR)/pg_version
CFLAGS+= -I$(srcdir)/backend/port/$(PORTNAME)
depend dep:
$(CC) -MM $(INCLUDE_OPT) *.c >depend
include $(MKDIR)/postgres.prog.mk
clean:
rm -f pg_version pg_version.o
ifeq (depend,$(wildcard depend))
include depend
endif
src/bin/pg_version/pg_version.c
View file @ 17befd6c
......@@ -7,38 +7,34 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_version/Attic/pg_version.c,v 1.5 1996/11/10 03:04:02 momjian Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_version/Attic/pg_version.c,v 1.6 1996/11/12 06:47:00 bryanh Exp $
*
*-------------------------------------------------------------------------
*/
#include <stdlib.h>
#include <stdio.h>
int Noversion = 0;
char *DataDir = (char *) NULL;
#include <version.h> /* interface to SetPgVersion */
extern void SetPgVersion(const char *);
int
main(int argc, char **argv)
{
int retcode; /* our eventual return code */
char *reason; /* Reason that SetPgVersion failed, NULL if it didn't. */
if (argc < 2) {
fprintf(stderr, "pg_version: missing argument\n");
exit(1);
}
SetPgVersion(argv[1]);
return(0);
}
void elog(void); /* make compiler happy */
void
elog(void) {}
int GetDataHome(void); /* make compiler happy */
int
GetDataHome(void)
{
return(0);
SetPgVersion(argv[1], &reason);
if (reason) {
fprintf(stderr,
"pg_version is unable to create the PG_VERSION file. "
"SetPgVersion gave this reason: %s\n",
reason);
retcode = 10;
} else retcode = 0;
return(retcode);
}
src/include/miscadmin.h
View file @ 17befd6c
......@@ -12,7 +12,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: miscadmin.h,v 1.2 1996/11/06 10:28:59 scrappy Exp $
* $Id: miscadmin.h,v 1.3 1996/11/12 06:47:10 bryanh Exp $
*
* NOTES
* some of the information in this file will be moved to
......@@ -69,14 +69,6 @@ extern Oid LastOidProcessed; /* for query rewrite */
*/
#define NDBUFS 64
/*****************************************************************************
* magic.h - definitions of the indexes of the magic numbers *
*****************************************************************************/
#define PG_RELEASE 6
#define PG_VERSION 0
#define PG_VERFILE "PG_VERSION"
/*****************************************************************************
* pdir.h -- *
* POSTGRES directory path definitions. *
......@@ -148,7 +140,6 @@ typedef int16 ExitStatus;
/* in utils/init/postinit.c */
extern void InitMyDatabaseId(void);
extern void DoChdirAndInitDatabaseNameAndPath(char *name, char *path);
extern void InitUserid(void);
extern void InitCommunication(void);
extern void InitStdio(void);
......@@ -170,12 +161,4 @@ extern bool IsNormalProcessingMode(void);
extern void SetProcessingMode(ProcessingMode mode);
extern ProcessingMode GetProcessingMode(void);
/*
* Prototypes for utils/init/magic.c
*/
extern int DatabaseMetaGunkIsConsistent(const char *database, char *path);
extern int ValidPgVersion(const char *path);
extern void SetPgVersion(const char *path);
#endif /* MISCADMIN_H */
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