Whack some sense into the configuration-file-location patch.
Refactor code into something reasonably understandable, cause use of the feature to not fail in standalone backends or in EXEC_BACKEND case, fix sloppy guc.c table entries, make the documentation minimally usable.
This commit is contained in:
parent
f4f6caa9b0
commit
7ca3a0f3e2
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@ -1,5 +1,5 @@
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<!--
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$PostgreSQL: pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.43 2004/02/03 17:34:02 tgl Exp $
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$PostgreSQL: pgsql/doc/src/sgml/ref/postgres-ref.sgml,v 1.44 2004/10/08 01:36:32 tgl Exp $
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PostgreSQL documentation
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-->
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@ -357,7 +357,7 @@ PostgreSQL documentation
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<listitem>
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<para>
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Default data direction location
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Default data directory location
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</para>
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</listitem>
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</varlistentry>
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|
|
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@ -1,5 +1,5 @@
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<!--
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$PostgreSQL: pgsql/doc/src/sgml/ref/postmaster.sgml,v 1.52 2004/09/20 00:04:19 neilc Exp $
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$PostgreSQL: pgsql/doc/src/sgml/ref/postmaster.sgml,v 1.53 2004/10/08 01:36:32 tgl Exp $
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PostgreSQL documentation
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-->
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@ -67,27 +67,22 @@ PostgreSQL documentation
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One <command>postmaster</command> always manages the data
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from exactly one database cluster. A database cluster is a
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collection of databases that is stored at a common file system
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location. When the <command>postmaster</command> starts it needs
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to know the location of the database cluster files (<quote>data
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area</quote>).
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location (the <quote>data area</quote>).
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More than one <command>postmaster</command> process can run on a system
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at one time as long as they use different data areas and different
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at one time, so long as they use different data areas and different
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communication ports (see below). A data area is created with <xref
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linkend="app-initdb">.
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</para>
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<para>
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The <quote>data area</> is specified by the <option>-D</option> option
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When the <command>postmaster</command> starts it needs
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to know the location of the data area.
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The location must be specified by the <option>-D</option> option
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or the <envar>PGDATA</envar> environment variable; there is no default.
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Typically, it points to a directory created by <application>
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initdb</>. However, for administrative flexibility, you can
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point to a directory containing only configuration files:
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<filename>postgresql.conf</>, <filename>pg_hba.conf</>, and
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<filename>pg_ident.conf</>. You can then set
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<filename>postgresql.conf</>'s <varname>pgdata</> variable to point to the
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data directory. You can also point just to the server configuration file
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like <filename>postgresql.conf</> and set its variables to point to the
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other configuration files and the data directory.
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Typically, <option>-D</option> or <envar>PGDATA</envar> points
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directly to the data area directory created by <application>initdb</>.
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Other possible file layouts are discussed in
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<xref linkend="runtime-config-file-locations">.
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</para>
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</refsect1>
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@ -154,8 +149,9 @@ PostgreSQL documentation
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<term><option>-D <replaceable class="parameter">datadir</replaceable></option></term>
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<listitem>
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<para>
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Specifies the file system location of the data directory. See
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discussion above.
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Specifies the file system location of the data directory or
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configuration file(s). See
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<xref linkend="runtime-config-file-locations"> for details.
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</para>
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</listitem>
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</varlistentry>
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@ -394,7 +390,7 @@ PostgreSQL documentation
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<listitem>
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<para>
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Default data direction location
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Default data directory location
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</para>
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</listitem>
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</varlistentry>
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|
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@ -1,5 +1,5 @@
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<!--
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$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.285 2004/09/29 06:27:11 neilc Exp $
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$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.286 2004/10/08 01:36:31 tgl Exp $
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-->
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<Chapter Id="runtime">
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@ -564,17 +564,16 @@ SET ENABLE_SEQSCAN TO OFF;
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any desired selection condition.
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</para>
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<sect2 id="runtime-config-configuration-files">
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<title>Configuration Files</title>
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<sect2 id="runtime-config-file-locations">
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<title>File Locations</title>
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<variablelist>
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<varlistentry id="guc-pgdata" xreflabel="pgdata">
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<term><varname>pgdata</varname> (<type>string</type>)</term>
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<listitem>
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<para>
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Specifies the directory to use for data storage (everything except
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configuration files).
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Specifies the directory to use for data storage.
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This option can only be set at server start.
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</para>
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</listitem>
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</varlistentry>
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@ -585,6 +584,8 @@ SET ENABLE_SEQSCAN TO OFF;
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<para>
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Specifies the file name to use for configuration of host-based
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authentication (HBA).
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This option can only be set at server start or in the
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<filename>postgresql.conf</filename> file.
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</para>
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</listitem>
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</varlistentry>
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@ -595,6 +596,8 @@ SET ENABLE_SEQSCAN TO OFF;
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<para>
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Specifies the file name to use for configuration of
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<application>ident</> authentication.
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This option can only be set at server start or in the
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<filename>postgresql.conf</filename> file.
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</para>
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</listitem>
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</varlistentry>
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@ -605,11 +608,50 @@ SET ENABLE_SEQSCAN TO OFF;
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<para>
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Specifies the location of an additional <application>postmaster</>
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process-id (PID) file for use by server administration programs.
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This option can only be set at server start.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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<para>
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In a default installation, none of the above options is set explicitly
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in the <filename>postgresql.conf</filename> file. In this case, the
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data directory is specified by the <option>-D</option> command-line
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option or the <envar>PGDATA</envar> environment variable; there is no
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default for it. The configuration files are all placed within the
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data directory.
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</para>
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<para>
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It is also possible to separate the configuration files from the data
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directory, which can ease administration. (In particular it is often
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easier to ensure that the configuration files are properly backed-up
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when they are kept separate.) To do this, the <option>-D</option>
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command-line option or <envar>PGDATA</envar> environment variable
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must point to the directory containing the configuration files,
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and the <varname>pgdata</> option is set in
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<filename>postgresql.conf</filename> (or on the command line) to show
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where the data directory is actually located.
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</para>
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<para>
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If you wish, you can also make the <option>-D</option>
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command-line option or <envar>PGDATA</envar> environment variable
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point directly to the master configuration file (which then need not be
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named <filename>postgresql.conf</filename>). The <varname>pgdata</>
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option must be set to determine the data directory location.
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The other configuration files will by default be sought
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in the data directory.
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</para>
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<para>
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With any of these approaches, you can specify the locations of the
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secondary configuration files (<filename>pg_hba.conf</> and
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<filename>pg_ident.conf</>) by setting <varname>hba_conf</> and/or
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<varname>ident_conf</> in the master configuration file. These options
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override the normal locations and names of the secondary files.
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</para>
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</sect2>
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<sect2 id="runtime-config-connection">
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@ -8,7 +8,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/bootstrap/bootstrap.c,v 1.193 2004/08/29 05:06:41 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/bootstrap/bootstrap.c,v 1.194 2004/10/08 01:36:33 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -210,7 +210,7 @@ BootstrapMain(int argc, char *argv[])
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char *dbname;
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int flag;
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int xlogop = BS_XLOG_NOP;
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char *userPGDATA = NULL;
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char *userDoption = NULL;
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/*
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* initialize globals
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@ -240,10 +240,7 @@ BootstrapMain(int argc, char *argv[])
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/* Set defaults, to be overriden by explicit options below */
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dbname = NULL;
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if (!IsUnderPostmaster)
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{
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InitializeGUCOptions();
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userPGDATA = getenv("PGDATA"); /* Null if no PGDATA variable */
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}
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/* Ignore the initial -boot argument, if present */
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if (argc > 1 && strcmp(argv[1], "-boot") == 0)
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@ -257,7 +254,7 @@ BootstrapMain(int argc, char *argv[])
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switch (flag)
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{
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case 'D':
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userPGDATA = optarg;
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userDoption = optarg;
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break;
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case 'd':
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{
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@ -328,24 +325,6 @@ BootstrapMain(int argc, char *argv[])
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if (!dbname || argc != optind)
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usage();
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if (!IsUnderPostmaster)
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{
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if (!userPGDATA)
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{
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write_stderr("%s does not know where to find the database system data.\n"
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"You must specify the directory that contains the database system\n"
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"either by specifying the -D invocation option or by setting the\n"
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"PGDATA environment variable.\n",
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argv[0]);
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proc_exit(1);
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}
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SetDataDir(userPGDATA);
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}
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/* Validate we have been given a reasonable-looking DataDir */
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Assert(DataDir);
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ValidatePgVersion(DataDir);
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/*
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* Identify myself via ps
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*/
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@ -372,12 +351,14 @@ BootstrapMain(int argc, char *argv[])
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/* Acquire configuration parameters, unless inherited from postmaster */
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if (!IsUnderPostmaster)
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{
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ProcessConfigFile(PGC_POSTMASTER);
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/* If timezone is not set, determine what the OS uses */
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pg_timezone_initialize();
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if (!SelectConfigFiles(userDoption, argv[0]))
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proc_exit(1);
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}
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/* Validate we have been given a reasonable-looking DataDir */
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Assert(DataDir);
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ValidatePgVersion(DataDir);
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/* If standalone, create lockfile for data directory */
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if (!IsUnderPostmaster)
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CreateDataDirLockFile(DataDir, false);
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|
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@ -10,7 +10,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/libpq/hba.c,v 1.130 2004/09/18 01:22:58 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/libpq/hba.c,v 1.131 2004/10/08 01:36:34 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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|
@ -1044,16 +1044,16 @@ load_hba(void)
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|||
if (hba_lines || hba_line_nums)
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free_lines(&hba_lines, &hba_line_nums);
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||||
/* HBA filename in config file */
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if (guc_hbafile)
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{
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/* HBA filename specified in config file */
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conf_file = pstrdup(guc_hbafile);
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}
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else
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{
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char *confloc = (user_pgconfig_is_dir) ? user_pgconfig : DataDir;
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/* put together the full pathname to the config file */
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conf_file = palloc(strlen(confloc) + strlen(CONF_FILE) + 2);
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sprintf(conf_file, "%s/%s", confloc, CONF_FILE);
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conf_file = palloc(strlen(ConfigDir) + strlen(CONF_FILE) + 2);
|
||||
sprintf(conf_file, "%s/%s", ConfigDir, CONF_FILE);
|
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}
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file = AllocateFile(conf_file, "r");
|
||||
|
@ -1198,16 +1198,15 @@ load_ident(void)
|
|||
if (ident_lines || ident_line_nums)
|
||||
free_lines(&ident_lines, &ident_line_nums);
|
||||
|
||||
/* IDENT filename in config file */
|
||||
if (guc_identfile)
|
||||
{
|
||||
/* IDENT filename specified in config file */
|
||||
map_file = pstrdup(guc_identfile);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* put together the full pathname to the map file */
|
||||
char *confloc = (user_pgconfig_is_dir) ? user_pgconfig : DataDir;
|
||||
|
||||
map_file = (char *) palloc(strlen(confloc) + strlen(USERMAP_FILE) + 2);
|
||||
sprintf(map_file, "%s/%s", confloc, USERMAP_FILE);
|
||||
map_file = palloc(strlen(ConfigDir) + strlen(USERMAP_FILE) + 2);
|
||||
sprintf(map_file, "%s/%s", ConfigDir, USERMAP_FILE);
|
||||
}
|
||||
|
||||
file = AllocateFile(map_file, "r");
|
||||
|
|
|
@ -37,7 +37,7 @@
|
|||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.429 2004/10/07 17:04:54 momjian Exp $
|
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* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.430 2004/10/08 01:36:34 tgl Exp $
|
||||
*
|
||||
* NOTES
|
||||
*
|
||||
|
@ -236,8 +236,7 @@ extern int optreset;
|
|||
/*
|
||||
* postmaster.c - function prototypes
|
||||
*/
|
||||
static void checkDataDir(const char *checkdir);
|
||||
static bool onlyConfigSpecified(const char *checkdir);
|
||||
static void checkDataDir(void);
|
||||
|
||||
#ifdef USE_RENDEZVOUS
|
||||
static void reg_reply(DNSServiceRegistrationReplyErrorType errorCode,
|
||||
|
@ -311,7 +310,7 @@ PostmasterMain(int argc, char *argv[])
|
|||
{
|
||||
int opt;
|
||||
int status;
|
||||
char *userPGDATA = NULL;
|
||||
char *userDoption = NULL;
|
||||
int i;
|
||||
|
||||
progname = get_progname(argv[0]);
|
||||
|
@ -375,8 +374,6 @@ PostmasterMain(int argc, char *argv[])
|
|||
*/
|
||||
InitializeGUCOptions();
|
||||
|
||||
userPGDATA = getenv("PGDATA"); /* default value */
|
||||
|
||||
opterr = 1;
|
||||
|
||||
while ((opt = getopt(argc, argv, "A:a:B:b:c:D:d:Fh:ik:lm:MN:no:p:Ss-:")) != -1)
|
||||
|
@ -400,7 +397,7 @@ PostmasterMain(int argc, char *argv[])
|
|||
/* Can no longer set the backend executable file to use. */
|
||||
break;
|
||||
case 'D':
|
||||
userPGDATA = optarg;
|
||||
userDoption = optarg;
|
||||
break;
|
||||
case 'd':
|
||||
{
|
||||
|
@ -530,61 +527,15 @@ PostmasterMain(int argc, char *argv[])
|
|||
ExitPostmaster(1);
|
||||
}
|
||||
|
||||
if (userPGDATA)
|
||||
{
|
||||
userPGDATA = strdup(userPGDATA);
|
||||
canonicalize_path(userPGDATA);
|
||||
}
|
||||
/*
|
||||
* Locate the proper configuration files and data directory, and
|
||||
* read postgresql.conf for the first time.
|
||||
*/
|
||||
if (!SelectConfigFiles(userDoption, progname))
|
||||
ExitPostmaster(2);
|
||||
|
||||
if (onlyConfigSpecified(userPGDATA))
|
||||
{
|
||||
/*
|
||||
* It is either a file name or a directory with no
|
||||
* global/pg_control file, and hence not a data directory.
|
||||
*/
|
||||
user_pgconfig = userPGDATA;
|
||||
ProcessConfigFile(PGC_POSTMASTER);
|
||||
|
||||
if (!guc_pgdata) /* Got a pgdata from the config file? */
|
||||
{
|
||||
write_stderr("%s does not know where to find the database system data.\n"
|
||||
"This should be specified as \"pgdata\" in %s%s.\n",
|
||||
progname, userPGDATA,
|
||||
user_pgconfig_is_dir ? "/postgresql.conf" : "");
|
||||
ExitPostmaster(2);
|
||||
}
|
||||
checkDataDir(guc_pgdata);
|
||||
SetDataDir(guc_pgdata);
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
* Now we can set the data directory, and then read
|
||||
* postgresql.conf.
|
||||
*/
|
||||
checkDataDir(userPGDATA);
|
||||
SetDataDir(userPGDATA);
|
||||
ProcessConfigFile(PGC_POSTMASTER);
|
||||
}
|
||||
|
||||
if (external_pidfile)
|
||||
{
|
||||
FILE *fpidfile = fopen(external_pidfile, "w");
|
||||
|
||||
if (fpidfile)
|
||||
{
|
||||
fprintf(fpidfile, "%d\n", MyProcPid);
|
||||
fclose(fpidfile);
|
||||
/* Should we remove the pid file on postmaster exit? */
|
||||
}
|
||||
else
|
||||
fprintf(stderr,
|
||||
gettext("%s could not write to external pid file %s\n"),
|
||||
progname, external_pidfile);
|
||||
}
|
||||
|
||||
/* If timezone is not set, determine what the OS uses */
|
||||
pg_timezone_initialize();
|
||||
/* Verify that DataDir looks reasonable */
|
||||
checkDataDir();
|
||||
|
||||
#ifdef EXEC_BACKEND
|
||||
write_nondefault_variables(PGC_POSTMASTER);
|
||||
|
@ -831,6 +782,24 @@ PostmasterMain(int argc, char *argv[])
|
|||
if (!CreateOptsFile(argc, argv, my_exec_path))
|
||||
ExitPostmaster(1);
|
||||
|
||||
/*
|
||||
* Write the external PID file if requested
|
||||
*/
|
||||
if (external_pidfile)
|
||||
{
|
||||
FILE *fpidfile = fopen(external_pidfile, "w");
|
||||
|
||||
if (fpidfile)
|
||||
{
|
||||
fprintf(fpidfile, "%d\n", MyProcPid);
|
||||
fclose(fpidfile);
|
||||
/* Should we remove the pid file on postmaster exit? */
|
||||
}
|
||||
else
|
||||
write_stderr("%s: could not write external pid file \"%s\": %s\n",
|
||||
progname, external_pidfile, strerror(errno));
|
||||
}
|
||||
|
||||
/*
|
||||
* Set up signal handlers for the postmaster process.
|
||||
*
|
||||
|
@ -907,66 +876,30 @@ PostmasterMain(int argc, char *argv[])
|
|||
}
|
||||
|
||||
|
||||
|
||||
static bool
|
||||
onlyConfigSpecified(const char *checkdir)
|
||||
{
|
||||
char path[MAXPGPATH];
|
||||
struct stat stat_buf;
|
||||
|
||||
if (checkdir == NULL) /* checkDataDir handles this */
|
||||
return FALSE;
|
||||
|
||||
if (stat(checkdir, &stat_buf) == -1) /* ditto */
|
||||
return FALSE;
|
||||
|
||||
if (S_ISREG(stat_buf.st_mode)) /* It's a regular file, so assume
|
||||
* it's explict */
|
||||
return TRUE;
|
||||
else if (S_ISDIR(stat_buf.st_mode)) /* It's a directory, is it a
|
||||
* config or system dir? */
|
||||
{
|
||||
snprintf(path, MAXPGPATH, "%s/global/pg_control", checkdir);
|
||||
/* If this is not found, it is a config-only directory */
|
||||
if (stat(path, &stat_buf) == -1)
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Validate the proposed data directory
|
||||
*/
|
||||
static void
|
||||
checkDataDir(const char *checkdir)
|
||||
checkDataDir(void)
|
||||
{
|
||||
char path[MAXPGPATH];
|
||||
FILE *fp;
|
||||
struct stat stat_buf;
|
||||
|
||||
if (checkdir == NULL)
|
||||
{
|
||||
write_stderr("%s does not know where to find the database system data.\n"
|
||||
"You must specify the directory that contains the database system\n"
|
||||
"either by specifying the -D invocation option or by setting the\n"
|
||||
"PGDATA environment variable.\n",
|
||||
progname);
|
||||
ExitPostmaster(2);
|
||||
}
|
||||
Assert(DataDir);
|
||||
|
||||
if (stat(checkdir, &stat_buf) == -1)
|
||||
if (stat(DataDir, &stat_buf) != 0)
|
||||
{
|
||||
if (errno == ENOENT)
|
||||
ereport(FATAL,
|
||||
(errcode_for_file_access(),
|
||||
errmsg("data directory \"%s\" does not exist",
|
||||
checkdir)));
|
||||
DataDir)));
|
||||
else
|
||||
ereport(FATAL,
|
||||
(errcode_for_file_access(),
|
||||
errmsg("could not read permissions of directory \"%s\": %m",
|
||||
checkdir)));
|
||||
DataDir)));
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -981,14 +914,14 @@ checkDataDir(const char *checkdir)
|
|||
ereport(FATAL,
|
||||
(errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
|
||||
errmsg("data directory \"%s\" has group or world access",
|
||||
checkdir),
|
||||
DataDir),
|
||||
errdetail("Permissions should be u=rwx (0700).")));
|
||||
#endif
|
||||
|
||||
/* Look for PG_VERSION before looking for pg_control */
|
||||
ValidatePgVersion(checkdir);
|
||||
ValidatePgVersion(DataDir);
|
||||
|
||||
snprintf(path, sizeof(path), "%s/global/pg_control", checkdir);
|
||||
snprintf(path, sizeof(path), "%s/global/pg_control", DataDir);
|
||||
|
||||
fp = AllocateFile(path, PG_BINARY_R);
|
||||
if (fp == NULL)
|
||||
|
@ -996,7 +929,7 @@ checkDataDir(const char *checkdir)
|
|||
write_stderr("%s: could not find the database system\n"
|
||||
"Expected to find it in the directory \"%s\",\n"
|
||||
"but could not open file \"%s\": %s\n",
|
||||
progname, checkdir, path, strerror(errno));
|
||||
progname, DataDir, path, strerror(errno));
|
||||
ExitPostmaster(2);
|
||||
}
|
||||
FreeFile(fp);
|
||||
|
@ -3457,6 +3390,12 @@ write_backend_variables(char *filename, Port *port)
|
|||
StrNCpy(str_buf, DataDir, MAXPGPATH);
|
||||
write_array_var(str_buf, fp);
|
||||
|
||||
StrNCpy(str_buf, ConfigDir, MAXPGPATH);
|
||||
write_array_var(str_buf, fp);
|
||||
|
||||
StrNCpy(str_buf, ConfigFileName, MAXPGPATH);
|
||||
write_array_var(str_buf, fp);
|
||||
|
||||
write_array_var(ListenSocket, fp);
|
||||
|
||||
write_var(MyCancelKey, fp);
|
||||
|
@ -3531,6 +3470,12 @@ read_backend_variables(char *filename, Port *port)
|
|||
read_array_var(str_buf, fp);
|
||||
SetDataDir(str_buf);
|
||||
|
||||
read_array_var(str_buf, fp);
|
||||
ConfigDir = strdup(str_buf);
|
||||
|
||||
read_array_var(str_buf, fp);
|
||||
ConfigFileName = strdup(str_buf);
|
||||
|
||||
read_array_var(ListenSocket, fp);
|
||||
|
||||
read_var(MyCancelKey, fp);
|
||||
|
|
|
@ -8,7 +8,7 @@
|
|||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.433 2004/09/26 00:26:25 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.434 2004/10/08 01:36:35 tgl Exp $
|
||||
*
|
||||
* NOTES
|
||||
* this is the "main" module of the postgres backend and
|
||||
|
@ -2156,7 +2156,7 @@ PostgresMain(int argc, char *argv[], const char *username)
|
|||
{
|
||||
int flag;
|
||||
const char *dbname = NULL;
|
||||
char *userPGDATA = NULL;
|
||||
char *userDoption = NULL;
|
||||
bool secure;
|
||||
int errs = 0;
|
||||
int debug_flag = 0;
|
||||
|
@ -2226,10 +2226,7 @@ PostgresMain(int argc, char *argv[], const char *username)
|
|||
EchoQuery = false;
|
||||
|
||||
if (!IsUnderPostmaster)
|
||||
{
|
||||
InitializeGUCOptions();
|
||||
userPGDATA = getenv("PGDATA");
|
||||
}
|
||||
|
||||
/* ----------------
|
||||
* parse command line arguments
|
||||
|
@ -2274,9 +2271,9 @@ PostgresMain(int argc, char *argv[], const char *username)
|
|||
SetConfigOption("shared_buffers", optarg, ctx, gucsource);
|
||||
break;
|
||||
|
||||
case 'D': /* PGDATA directory */
|
||||
case 'D': /* PGDATA or config directory */
|
||||
if (secure)
|
||||
userPGDATA = optarg;
|
||||
userDoption = optarg;
|
||||
break;
|
||||
|
||||
case 'd': /* debug level */
|
||||
|
@ -2571,28 +2568,11 @@ PostgresMain(int argc, char *argv[], const char *username)
|
|||
on_proc_exit(log_disconnections, 0);
|
||||
}
|
||||
|
||||
if (!IsUnderPostmaster)
|
||||
{
|
||||
if (!userPGDATA)
|
||||
{
|
||||
write_stderr("%s does not know where to find the database system data.\n"
|
||||
"You must specify the directory that contains the database system\n"
|
||||
"either by specifying the -D invocation option or by setting the\n"
|
||||
"PGDATA environment variable.\n",
|
||||
argv[0]);
|
||||
proc_exit(1);
|
||||
}
|
||||
SetDataDir(userPGDATA);
|
||||
}
|
||||
Assert(DataDir);
|
||||
|
||||
/* Acquire configuration parameters, unless inherited from postmaster */
|
||||
if (!IsUnderPostmaster)
|
||||
{
|
||||
ProcessConfigFile(PGC_POSTMASTER);
|
||||
|
||||
/* If timezone is not set, determine what the OS uses */
|
||||
pg_timezone_initialize();
|
||||
if (!SelectConfigFiles(userDoption, argv[0]))
|
||||
proc_exit(1);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -2685,6 +2665,7 @@ PostgresMain(int argc, char *argv[], const char *username)
|
|||
* Validate we have been given a reasonable-looking DataDir (if
|
||||
* under postmaster, assume postmaster did this already).
|
||||
*/
|
||||
Assert(DataDir);
|
||||
ValidatePgVersion(DataDir);
|
||||
|
||||
/*
|
||||
|
|
|
@ -4,14 +4,13 @@
|
|||
*
|
||||
* Copyright (c) 2000-2004, PostgreSQL Global Development Group
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/backend/utils/misc/guc-file.l,v 1.25 2004/08/31 22:43:58 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/utils/misc/guc-file.l,v 1.26 2004/10/08 01:36:35 tgl Exp $
|
||||
*/
|
||||
|
||||
%{
|
||||
|
||||
#include "postgres.h"
|
||||
|
||||
#include <sys/stat.h>
|
||||
#include <unistd.h>
|
||||
#include <ctype.h>
|
||||
|
||||
|
@ -22,8 +21,6 @@
|
|||
/* Avoid exit() on fatal scanner errors (a bit ugly -- see yy_fatal_error) */
|
||||
#define fprintf(file, fmt, msg) ereport(ERROR, (errmsg_internal("%s", msg)))
|
||||
|
||||
#define CONFIG_FILENAME "postgresql.conf"
|
||||
|
||||
static unsigned ConfigFileLineno;
|
||||
|
||||
enum {
|
||||
|
@ -128,7 +125,6 @@ void
|
|||
ProcessConfigFile(GucContext context)
|
||||
{
|
||||
int elevel;
|
||||
char *filename;
|
||||
int token, parse_state;
|
||||
char *opt_name, *opt_value;
|
||||
struct name_value_pair *item, *head, *tail;
|
||||
|
@ -147,46 +143,13 @@ ProcessConfigFile(GucContext context)
|
|||
else
|
||||
elevel = ERROR;
|
||||
|
||||
/*
|
||||
* Handle the various possibilities for config file location
|
||||
*/
|
||||
if (user_pgconfig)
|
||||
{
|
||||
struct stat sb;
|
||||
|
||||
if (stat(user_pgconfig, &sb) != 0)
|
||||
{
|
||||
ereport(elevel,
|
||||
(errcode_for_file_access(),
|
||||
errmsg("could not access configuration file \"%s\": %m",
|
||||
user_pgconfig)));
|
||||
return;
|
||||
}
|
||||
|
||||
if (S_ISDIR(sb.st_mode))
|
||||
{
|
||||
filename = palloc(strlen(user_pgconfig) + strlen(CONFIG_FILENAME) + 2);
|
||||
sprintf(filename, "%s/%s", user_pgconfig, CONFIG_FILENAME);
|
||||
user_pgconfig_is_dir = true;
|
||||
}
|
||||
else
|
||||
filename = pstrdup(user_pgconfig); /* Use explicit file */
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Find config in datadir */
|
||||
filename = palloc(strlen(DataDir) + strlen(CONFIG_FILENAME) + 2);
|
||||
sprintf(filename, "%s/%s", DataDir, CONFIG_FILENAME);
|
||||
}
|
||||
|
||||
fp = AllocateFile(filename, "r");
|
||||
fp = AllocateFile(ConfigFileName, "r");
|
||||
if (!fp)
|
||||
{
|
||||
ereport(elevel,
|
||||
(errcode_for_file_access(),
|
||||
errmsg("could not open configuration file \"%s\": %m",
|
||||
filename)));
|
||||
pfree(filename);
|
||||
ConfigFileName)));
|
||||
return;
|
||||
}
|
||||
|
||||
|
@ -273,7 +236,6 @@ ProcessConfigFile(GucContext context)
|
|||
}
|
||||
|
||||
FreeFile(fp);
|
||||
pfree(filename);
|
||||
|
||||
/*
|
||||
* Check if all options are valid
|
||||
|
@ -303,13 +265,12 @@ ProcessConfigFile(GucContext context)
|
|||
ereport(elevel,
|
||||
(errcode(ERRCODE_SYNTAX_ERROR),
|
||||
errmsg("syntax error in file \"%s\" line %u, near end of line",
|
||||
filename, ConfigFileLineno - 1)));
|
||||
ConfigFileName, ConfigFileLineno - 1)));
|
||||
else
|
||||
ereport(elevel,
|
||||
(errcode(ERRCODE_SYNTAX_ERROR),
|
||||
errmsg("syntax error in file \"%s\" line %u, near token \"%s\"",
|
||||
filename, ConfigFileLineno, yytext)));
|
||||
pfree(filename);
|
||||
ConfigFileName, ConfigFileLineno, yytext)));
|
||||
}
|
||||
|
||||
|
||||
|
|
|
@ -10,7 +10,7 @@
|
|||
* Written by Peter Eisentraut <peter_e@gmx.net>.
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.239 2004/09/24 19:43:03 tgl Exp $
|
||||
* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.240 2004/10/08 01:36:35 tgl Exp $
|
||||
*
|
||||
*--------------------------------------------------------------------
|
||||
*/
|
||||
|
@ -20,6 +20,7 @@
|
|||
#include <float.h>
|
||||
#include <limits.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
#include "utils/guc.h"
|
||||
#include "utils/guc_tables.h"
|
||||
|
@ -58,18 +59,13 @@
|
|||
#include "utils/pg_locale.h"
|
||||
#include "pgstat.h"
|
||||
|
||||
char *guc_pgdata;
|
||||
char *guc_hbafile;
|
||||
char *guc_identfile;
|
||||
char *external_pidfile;
|
||||
|
||||
char *user_pgconfig = NULL;
|
||||
bool user_pgconfig_is_dir = false;
|
||||
|
||||
#ifndef PG_KRB_SRVTAB
|
||||
#define PG_KRB_SRVTAB ""
|
||||
#endif
|
||||
|
||||
#define CONFIG_FILENAME "postgresql.conf"
|
||||
|
||||
#ifdef EXEC_BACKEND
|
||||
#define CONFIG_EXEC_PARAMS "global/config_exec_params"
|
||||
#endif
|
||||
|
@ -118,7 +114,14 @@ static const char *assign_canonical_path(const char *newval, bool doit, GucSourc
|
|||
|
||||
|
||||
/*
|
||||
* Debugging options
|
||||
* These are initialized by SelectConfigFiles.
|
||||
*/
|
||||
char *ConfigDir = NULL;
|
||||
char *ConfigFileName = NULL;
|
||||
|
||||
|
||||
/*
|
||||
* GUC option variables that are exported from this module
|
||||
*/
|
||||
#ifdef USE_ASSERT_CHECKING
|
||||
bool assert_enabled = true;
|
||||
|
@ -151,6 +154,10 @@ int client_min_messages = NOTICE;
|
|||
|
||||
int log_min_duration_statement = -1;
|
||||
|
||||
char *guc_hbafile;
|
||||
char *guc_identfile;
|
||||
char *external_pidfile;
|
||||
|
||||
|
||||
/*
|
||||
* These variables are all dummies that don't do anything, except in some
|
||||
|
@ -176,6 +183,7 @@ static char *server_encoding_string;
|
|||
static char *server_version_string;
|
||||
static char *timezone_string;
|
||||
static char *XactIsoLevel_string;
|
||||
static char *guc_pgdata;
|
||||
static char *custom_variable_classes;
|
||||
static int max_function_args;
|
||||
static int max_index_keys;
|
||||
|
@ -231,6 +239,8 @@ const char *const config_group_names[] =
|
|||
{
|
||||
/* UNGROUPED */
|
||||
gettext_noop("Ungrouped"),
|
||||
/* FILE_LOCATIONS */
|
||||
gettext_noop("File Locations"),
|
||||
/* CONN_AUTH */
|
||||
gettext_noop("Connections and Authentication"),
|
||||
/* CONN_AUTH_SETTINGS */
|
||||
|
@ -291,10 +301,12 @@ const char *const config_group_names[] =
|
|||
gettext_noop("Version and Platform Compatibility / Previous PostgreSQL Versions"),
|
||||
/* COMPAT_OPTIONS_CLIENT */
|
||||
gettext_noop("Version and Platform Compatibility / Other Platforms and Clients"),
|
||||
/* PRESET_OPTIONS */
|
||||
gettext_noop("Preset Options"),
|
||||
/* CUSTOM_OPTIONS */
|
||||
gettext_noop("Customized Options"),
|
||||
/* DEVELOPER_OPTIONS */
|
||||
gettext_noop("Developer Options"),
|
||||
/* COMPILE_OPTIONS */
|
||||
gettext_noop("Compiled-in Options"),
|
||||
/* help_config wants this array to be null-terminated */
|
||||
NULL
|
||||
};
|
||||
|
@ -833,7 +845,7 @@ static struct config_bool ConfigureNamesBool[] =
|
|||
#endif
|
||||
|
||||
{
|
||||
{"integer_datetimes", PGC_INTERNAL, COMPILE_OPTIONS,
|
||||
{"integer_datetimes", PGC_INTERNAL, PRESET_OPTIONS,
|
||||
gettext_noop("Datetimes are integer based"),
|
||||
NULL,
|
||||
GUC_REPORT | GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE
|
||||
|
@ -1282,7 +1294,7 @@ static struct config_int ConfigureNamesInt[] =
|
|||
},
|
||||
|
||||
{
|
||||
{"max_function_args", PGC_INTERNAL, COMPILE_OPTIONS,
|
||||
{"max_function_args", PGC_INTERNAL, PRESET_OPTIONS,
|
||||
gettext_noop("Shows the maximum number of function arguments"),
|
||||
NULL,
|
||||
GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE
|
||||
|
@ -1292,7 +1304,7 @@ static struct config_int ConfigureNamesInt[] =
|
|||
},
|
||||
|
||||
{
|
||||
{"max_index_keys", PGC_INTERNAL, COMPILE_OPTIONS,
|
||||
{"max_index_keys", PGC_INTERNAL, PRESET_OPTIONS,
|
||||
gettext_noop("Shows the maximum number of index keys"),
|
||||
NULL,
|
||||
GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE
|
||||
|
@ -1302,7 +1314,7 @@ static struct config_int ConfigureNamesInt[] =
|
|||
},
|
||||
|
||||
{
|
||||
{"max_identifier_length", PGC_INTERNAL, COMPILE_OPTIONS,
|
||||
{"max_identifier_length", PGC_INTERNAL, PRESET_OPTIONS,
|
||||
gettext_noop("Shows the maximum identifier length"),
|
||||
NULL,
|
||||
GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE
|
||||
|
@ -1312,7 +1324,7 @@ static struct config_int ConfigureNamesInt[] =
|
|||
},
|
||||
|
||||
{
|
||||
{"block_size", PGC_INTERNAL, COMPILE_OPTIONS,
|
||||
{"block_size", PGC_INTERNAL, PRESET_OPTIONS,
|
||||
gettext_noop("Shows size of a disk block"),
|
||||
NULL,
|
||||
GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE
|
||||
|
@ -1640,7 +1652,7 @@ static struct config_string ConfigureNamesString[] =
|
|||
|
||||
{
|
||||
/* Can't be set in postgresql.conf */
|
||||
{"server_version", PGC_INTERNAL, UNGROUPED,
|
||||
{"server_version", PGC_INTERNAL, PRESET_OPTIONS,
|
||||
gettext_noop("Shows the server version."),
|
||||
NULL,
|
||||
GUC_REPORT | GUC_NOT_IN_SAMPLE | GUC_DISALLOW_IN_FILE
|
||||
|
@ -1777,25 +1789,37 @@ static struct config_string ConfigureNamesString[] =
|
|||
},
|
||||
|
||||
{
|
||||
{"pgdata", PGC_POSTMASTER, 0, gettext_noop("Sets the location of the data directory"), NULL},
|
||||
{"pgdata", PGC_POSTMASTER, FILE_LOCATIONS,
|
||||
gettext_noop("Sets the location of the data directory"),
|
||||
NULL
|
||||
},
|
||||
&guc_pgdata,
|
||||
NULL, assign_canonical_path, NULL
|
||||
},
|
||||
|
||||
{
|
||||
{"hba_conf", PGC_SIGHUP, 0, gettext_noop("Sets the location of the \"hba\" configuration file"), NULL},
|
||||
{"hba_conf", PGC_SIGHUP, FILE_LOCATIONS,
|
||||
gettext_noop("Sets the location of the \"hba\" configuration file"),
|
||||
NULL
|
||||
},
|
||||
&guc_hbafile,
|
||||
NULL, assign_canonical_path, NULL
|
||||
},
|
||||
|
||||
{
|
||||
{"ident_conf", PGC_SIGHUP, 0, gettext_noop("Sets the location of the \"ident\" configuration file"), NULL},
|
||||
{"ident_conf", PGC_SIGHUP, FILE_LOCATIONS,
|
||||
gettext_noop("Sets the location of the \"ident\" configuration file"),
|
||||
NULL
|
||||
},
|
||||
&guc_identfile,
|
||||
NULL, assign_canonical_path, NULL
|
||||
},
|
||||
|
||||
{
|
||||
{"external_pidfile", PGC_POSTMASTER, 0, gettext_noop("Writes the postmaster PID to the specified file"), NULL},
|
||||
{"external_pidfile", PGC_POSTMASTER, FILE_LOCATIONS,
|
||||
gettext_noop("Writes the postmaster PID to the specified file"),
|
||||
NULL
|
||||
},
|
||||
&external_pidfile,
|
||||
NULL, assign_canonical_path, NULL
|
||||
},
|
||||
|
@ -2247,6 +2271,9 @@ guc_name_compare(const char *namea, const char *nameb)
|
|||
|
||||
/*
|
||||
* Initialize GUC options during program startup.
|
||||
*
|
||||
* Note that we cannot read the config file yet, since we have not yet
|
||||
* processed command-line switches.
|
||||
*/
|
||||
void
|
||||
InitializeGUCOptions(void)
|
||||
|
@ -2412,6 +2439,102 @@ InitializeGUCOptions(void)
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
* Select the configuration files and data directory to be used, and
|
||||
* do the initial read of postgresql.conf.
|
||||
*
|
||||
* This is called after processing command-line switches.
|
||||
* userDoption is the -D switch value if any (NULL if unspecified).
|
||||
* progname is just for use in error messages.
|
||||
*
|
||||
* Returns true on success; on failure, prints a suitable error message
|
||||
* to stderr and returns false.
|
||||
*/
|
||||
bool
|
||||
SelectConfigFiles(const char *userDoption, const char *progname)
|
||||
{
|
||||
char *Doption;
|
||||
struct stat stat_buf;
|
||||
|
||||
/* If user did not specify -D, it defaults to $PGDATA */
|
||||
if (!userDoption)
|
||||
userDoption = getenv("PGDATA");
|
||||
|
||||
/* If no PGDATA either, we are completely lost */
|
||||
if (!userDoption)
|
||||
{
|
||||
write_stderr("%s does not know where to find the database system data.\n"
|
||||
"You must specify the -D invocation option or set the "
|
||||
"PGDATA environment variable.\n",
|
||||
progname);
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Get a writable copy and canonicalize the path */
|
||||
Doption = guc_strdup(FATAL, userDoption);
|
||||
canonicalize_path(Doption);
|
||||
|
||||
/*
|
||||
* If it is a directory, point ConfigDir to it, and expect to
|
||||
* find postgresql.conf within. Otherwise it had better be
|
||||
* the actual config file, and the file had better set "pgdata".
|
||||
*/
|
||||
if (stat(Doption, &stat_buf) == 0 && S_ISDIR(stat_buf.st_mode))
|
||||
{
|
||||
ConfigDir = Doption;
|
||||
ConfigFileName = guc_malloc(FATAL,
|
||||
strlen(ConfigDir) + strlen(CONFIG_FILENAME) + 2);
|
||||
sprintf(ConfigFileName, "%s/%s", ConfigDir, CONFIG_FILENAME);
|
||||
}
|
||||
else
|
||||
{
|
||||
ConfigFileName = Doption;
|
||||
}
|
||||
|
||||
if (stat(ConfigFileName, &stat_buf) != 0)
|
||||
{
|
||||
write_stderr("%s cannot access the data directory or configuration file \"%s\": %s\n",
|
||||
progname, ConfigFileName, strerror(errno));
|
||||
return false;
|
||||
}
|
||||
|
||||
ProcessConfigFile(PGC_POSTMASTER);
|
||||
|
||||
/*
|
||||
* If the config file specified pgdata, use that as DataDir;
|
||||
* otherwise use ConfigDir (the original Doption) if set;
|
||||
* else punt.
|
||||
*
|
||||
* Note: SetDataDir will copy and canonicalize its argument,
|
||||
* so we don't have to.
|
||||
*/
|
||||
if (guc_pgdata)
|
||||
SetDataDir(guc_pgdata);
|
||||
else if (ConfigDir)
|
||||
SetDataDir(ConfigDir);
|
||||
else
|
||||
{
|
||||
write_stderr("%s does not know where to find the database system data.\n"
|
||||
"This should be specified as \"pgdata\" in \"%s\".\n",
|
||||
progname, ConfigFileName);
|
||||
return false;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set ConfigDir as DataDir unless we had another value (which is to say,
|
||||
* Doption pointed to a directory). This determines the default location
|
||||
* of secondary configuration files that will be read later.
|
||||
*/
|
||||
if (!ConfigDir)
|
||||
ConfigDir = DataDir;
|
||||
|
||||
/* If timezone is not set, determine what the OS uses */
|
||||
pg_timezone_initialize();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Reset all options to their saved default values (implements RESET ALL)
|
||||
*/
|
||||
|
|
|
@ -26,13 +26,17 @@
|
|||
|
||||
|
||||
#---------------------------------------------------------------------------
|
||||
# CONFIGURATION FILES
|
||||
# FILE LOCATIONS
|
||||
#---------------------------------------------------------------------------
|
||||
|
||||
# pgdata = '/usr/local/pgsql/data' # use data in another directory
|
||||
# hba_conf = '/etc/pgsql/pg_hba.conf' # use hba info in another directory
|
||||
# ident_conf = '/etc/pgsql/pg_ident.conf' # use ident info in another directory
|
||||
# external_pidfile= '/var/run/postgresql.pid' # write an extra pid file
|
||||
# The default values of these variables are driven from the -D command line
|
||||
# switch or PGDATA environment variable, represented here as $PGDATA.
|
||||
# pgdata = '$PGDATA' # use data in another directory
|
||||
# hba_conf = '$PGDATA/pg_hba.conf' # the host-based authentication file
|
||||
# ident_conf = '$PGDATA/pg_ident.conf' # the IDENT configuration file
|
||||
|
||||
# If external_pidfile is not explicitly set, no extra pid file is written.
|
||||
# external_pidfile = '(none)' # write an extra pid file
|
||||
|
||||
|
||||
#---------------------------------------------------------------------------
|
||||
|
|
|
@ -7,7 +7,7 @@
|
|||
* Copyright (c) 2000-2004, PostgreSQL Global Development Group
|
||||
* Written by Peter Eisentraut <peter_e@gmx.net>.
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/utils/guc.h,v 1.51 2004/08/29 05:06:58 momjian Exp $
|
||||
* $PostgreSQL: pgsql/src/include/utils/guc.h,v 1.52 2004/10/08 01:36:36 tgl Exp $
|
||||
*--------------------------------------------------------------------
|
||||
*/
|
||||
#ifndef GUC_H
|
||||
|
@ -135,13 +135,12 @@ extern int log_min_messages;
|
|||
extern int client_min_messages;
|
||||
extern int log_min_duration_statement;
|
||||
|
||||
extern char *guc_pgdata;
|
||||
extern char *ConfigDir;
|
||||
extern char *ConfigFileName;
|
||||
extern char *guc_hbafile;
|
||||
extern char *guc_identfile;
|
||||
extern char *external_pidfile;
|
||||
|
||||
extern char *user_pgconfig;
|
||||
extern bool user_pgconfig_is_dir;
|
||||
|
||||
extern void SetConfigOption(const char *name, const char *value,
|
||||
GucContext context, GucSource source);
|
||||
|
@ -188,6 +187,7 @@ extern const char *GetConfigOption(const char *name);
|
|||
extern const char *GetConfigOptionResetString(const char *name);
|
||||
extern void ProcessConfigFile(GucContext context);
|
||||
extern void InitializeGUCOptions(void);
|
||||
extern bool SelectConfigFiles(const char *userDoption, const char *progname);
|
||||
extern void ResetAllOptions(void);
|
||||
extern void AtEOXact_GUC(bool isCommit, bool isSubXact);
|
||||
extern void BeginReportingGUCOptions(void);
|
||||
|
|
|
@ -7,7 +7,7 @@
|
|||
*
|
||||
* Portions Copyright (c) 1996-2004, PostgreSQL Global Development Group
|
||||
*
|
||||
* $PostgreSQL: pgsql/src/include/utils/guc_tables.h,v 1.16 2004/08/29 05:06:58 momjian Exp $
|
||||
* $PostgreSQL: pgsql/src/include/utils/guc_tables.h,v 1.17 2004/10/08 01:36:36 tgl Exp $
|
||||
*
|
||||
*-------------------------------------------------------------------------
|
||||
*/
|
||||
|
@ -39,6 +39,7 @@ union config_var_value
|
|||
enum config_group
|
||||
{
|
||||
UNGROUPED,
|
||||
FILE_LOCATIONS,
|
||||
CONN_AUTH,
|
||||
CONN_AUTH_SETTINGS,
|
||||
CONN_AUTH_SECURITY,
|
||||
|
@ -69,9 +70,9 @@ enum config_group
|
|||
COMPAT_OPTIONS,
|
||||
COMPAT_OPTIONS_PREVIOUS,
|
||||
COMPAT_OPTIONS_CLIENT,
|
||||
DEVELOPER_OPTIONS,
|
||||
COMPILE_OPTIONS,
|
||||
CUSTOM_OPTIONS
|
||||
PRESET_OPTIONS,
|
||||
CUSTOM_OPTIONS,
|
||||
DEVELOPER_OPTIONS
|
||||
};
|
||||
|
||||
/*
|
||||
|
|
Loading…
Reference in New Issue