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https://github.com/postgres/postgres.git
synced 2025-05-05 09:19:17 +03:00
Add GUC update_process_title to control whether 'ps' display is updated
for every command, default to on.
This commit is contained in:
Bruce Momjian
parent
69d0a15e2a
commit
370a709c75
@ -1,4 +1,4 @@
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<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.67 2006/06/27 19:07:50 momjian Exp $ -->
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<!-- $PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.68 2006/06/27 22:16:43 momjian Exp $ -->
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<chapter Id="runtime-config">
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<title>Server Configuration</title>
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@ -2888,6 +2888,21 @@ SELECT * FROM parent WHERE key = 2400;
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</listitem>
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</varlistentry>
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<varlistentry id="guc-update-process-title" xreflabel="update_process_title">
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<term><varname>update_process_title</varname> (<type>boolean</type>)</term>
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<indexterm>
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<primary><varname>update_process_title</> configuration parameter</primary>
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</indexterm>
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<listitem>
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<para>
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Enables updating of the process title every time a new SQL command
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is received by the server. The process title is typically viewed
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by the <command>ps</> command or in Windows using the <application>Process
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Explorer</>. Only superusers can change this setting.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry id="guc-stats-start-collector" xreflabel="stats_start_collector">
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<term><varname>stats_start_collector</varname> (<type>boolean</type>)</term>
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<indexterm>
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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 1.217 2006/06/18 15:38:36 petere Exp $
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* $PostgreSQL: pgsql/src/backend/bootstrap/bootstrap.c,v 1.218 2006/06/27 22:16:43 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -353,8 +353,7 @@ BootstrapMain(int argc, char *argv[])
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statmsg = "??? process";
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break;
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}
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init_ps_display(statmsg, "", "");
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set_ps_display("");
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init_ps_display(statmsg, "", "", "");
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}
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/* Acquire configuration parameters, unless inherited from postmaster */
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@ -7,7 +7,7 @@
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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/commands/async.c,v 1.131 2006/04/25 14:11:54 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.132 2006/06/27 22:16:43 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -908,7 +908,7 @@ ProcessIncomingNotify(void)
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if (Trace_notify)
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elog(DEBUG1, "ProcessIncomingNotify");
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set_ps_display("notify interrupt");
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set_ps_display("notify interrupt", false);
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notifyInterruptOccurred = 0;
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@ -979,7 +979,7 @@ ProcessIncomingNotify(void)
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*/
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pq_flush();
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set_ps_display("idle");
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set_ps_display("idle", false);
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if (Trace_notify)
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elog(DEBUG1, "ProcessIncomingNotify: done");
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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/postmaster/autovacuum.c,v 1.20 2006/06/18 15:38:37 petere Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/autovacuum.c,v 1.21 2006/06/27 22:16:43 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -239,8 +239,7 @@ AutoVacMain(int argc, char *argv[])
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MyProcPid = getpid();
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/* Identify myself via ps */
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init_ps_display("autovacuum process", "", "");
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set_ps_display("");
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init_ps_display("autovacuum process", "", "", "");
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SetProcessingMode(InitProcessing);
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@ -416,7 +415,7 @@ AutoVacMain(int argc, char *argv[])
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*/
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InitPostgres(db->name, NULL);
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SetProcessingMode(NormalProcessing);
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set_ps_display(db->name);
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set_ps_display(db->name, false);
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ereport(DEBUG1,
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(errmsg("autovacuum: processing database \"%s\"", db->name)));
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@ -19,7 +19,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/postmaster/pgarch.c,v 1.23 2006/06/18 15:38:37 petere Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/pgarch.c,v 1.24 2006/06/27 22:16:43 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -244,8 +244,7 @@ PgArchiverMain(int argc, char *argv[])
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/*
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* Identify myself via ps
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*/
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init_ps_display("archiver process", "", "");
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set_ps_display("");
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init_ps_display("archiver process", "", "", "");
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pgarch_MainLoop();
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@ -13,7 +13,7 @@
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*
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* Copyright (c) 2001-2006, PostgreSQL Global Development Group
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*
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* $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.131 2006/06/27 03:45:16 alvherre Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.132 2006/06/27 22:16:43 momjian Exp $
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* ----------
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*/
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#include "postgres.h"
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@ -1743,8 +1743,7 @@ PgstatCollectorMain(int argc, char *argv[])
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/*
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* Identify myself via ps
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*/
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init_ps_display("stats collector process", "", "");
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set_ps_display("");
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init_ps_display("stats collector process", "", "", "");
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/*
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* Arrange to write the initial status file right away
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@ -1975,8 +1974,7 @@ pgstat_recvbuffer(void)
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/*
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* Identify myself via ps
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*/
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init_ps_display("stats buffer process", "", "");
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set_ps_display("");
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init_ps_display("stats buffer process", "", "", "");
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/*
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* We want to die if our child collector process does. There are two ways
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@ -37,7 +37,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.488 2006/06/20 22:52:00 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.489 2006/06/27 22:16:43 momjian Exp $
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*
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* NOTES
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*
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@ -2713,9 +2713,9 @@ BackendInitialize(Port *port)
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* Now that we have the user and database name, we can set the process
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* title for ps. It's good to do this as early as possible in startup.
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*/
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init_ps_display(port->user_name, port->database_name, remote_ps_data);
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set_ps_display("authentication");
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init_ps_display(port->user_name, port->database_name, remote_ps_data,
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update_process_title ? "authentication" : "");
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/*
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* Now perform authentication exchange.
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*/
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@ -18,7 +18,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.25 2006/06/18 15:38:37 petere Exp $
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* $PostgreSQL: pgsql/src/backend/postmaster/syslogger.c,v 1.26 2006/06/27 22:16:43 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -141,8 +141,7 @@ SysLoggerMain(int argc, char *argv[])
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am_syslogger = true;
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init_ps_display("logger process", "", "");
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set_ps_display("");
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init_ps_display("logger process", "", "", "");
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/*
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* If we restarted, our stderr is already redirected into our own input
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/storage/lmgr/lock.c,v 1.164 2006/04/14 03:38:55 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/storage/lmgr/lock.c,v 1.165 2006/06/27 22:16:43 momjian Exp $
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*
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* NOTES
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* A lock table is a shared memory hash table. When
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@ -1059,19 +1059,22 @@ WaitOnLock(LOCALLOCK *locallock, ResourceOwner owner)
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LOCKMETHODID lockmethodid = LOCALLOCK_LOCKMETHOD(*locallock);
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LockMethod lockMethodTable = LockMethods[lockmethodid];
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const char *old_status;
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char *new_status;
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char *new_status = NULL;
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int len;
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LOCK_PRINT("WaitOnLock: sleeping on lock",
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locallock->lock, locallock->tag.mode);
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old_status = get_ps_display(&len);
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new_status = (char *) palloc(len + 8 + 1);
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memcpy(new_status, old_status, len);
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strcpy(new_status + len, " waiting");
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set_ps_display(new_status);
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new_status[len] = '\0'; /* truncate off " waiting" */
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if (update_process_title)
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{
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old_status = get_ps_display(&len);
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new_status = (char *) palloc(len + 8 + 1);
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memcpy(new_status, old_status, len);
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strcpy(new_status + len, " waiting");
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set_ps_display(new_status, false);
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new_status[len] = '\0'; /* truncate off " waiting" */
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}
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awaitedLock = locallock;
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awaitedOwner = owner;
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@ -1108,8 +1111,11 @@ WaitOnLock(LOCALLOCK *locallock, ResourceOwner owner)
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awaitedLock = NULL;
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set_ps_display(new_status);
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pfree(new_status);
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if (update_process_title)
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{
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set_ps_display(new_status, false);
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pfree(new_status);
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}
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LOCK_PRINT("WaitOnLock: wakeup on lock",
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locallock->lock, locallock->tag.mode);
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@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.489 2006/06/20 22:52:00 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/tcop/postgres.c,v 1.490 2006/06/27 22:16:44 momjian Exp $
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*
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* NOTES
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* this is the "main" module of the postgres backend and
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@ -910,7 +910,7 @@ exec_simple_query(const char *query_string)
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*/
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commandTag = CreateCommandTag(parsetree);
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set_ps_display(commandTag);
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set_ps_display(commandTag, false);
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BeginCommand(commandTag, dest);
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@ -1144,7 +1144,7 @@ exec_parse_message(const char *query_string, /* string to execute */
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pgstat_report_activity(query_string);
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set_ps_display("PARSE");
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set_ps_display("PARSE", false);
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if (save_log_statement_stats)
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ResetUsage();
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@ -1376,7 +1376,7 @@ exec_bind_message(StringInfo input_message)
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pgstat_report_activity("<BIND>");
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set_ps_display("BIND");
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set_ps_display("BIND", false);
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/*
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* Start up a transaction command so we can call functions etc. (Note that
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@ -1711,7 +1711,7 @@ exec_execute_message(const char *portal_name, long max_rows)
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pgstat_report_activity("<EXECUTE>");
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}
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set_ps_display(portal->commandTag);
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set_ps_display(portal->commandTag, false);
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/*
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* We use save_log_statement_stats so ShowUsage doesn't report incorrect
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@ -2486,7 +2486,7 @@ PostgresMain(int argc, char *argv[], const char *username)
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if (!IsUnderPostmaster)
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MemoryContextInit();
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set_ps_display("startup");
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set_ps_display("startup", false);
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SetProcessingMode(InitProcessing);
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@ -3121,14 +3121,14 @@ PostgresMain(int argc, char *argv[], const char *username)
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{
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if (IsTransactionOrTransactionBlock())
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{
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set_ps_display("idle in transaction");
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set_ps_display("idle in transaction", false);
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pgstat_report_activity("<IDLE> in transaction");
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}
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else
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{
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pgstat_report_tabstat();
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set_ps_display("idle");
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set_ps_display("idle", false);
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pgstat_report_activity("<IDLE>");
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}
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@ -10,7 +10,7 @@
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* Written by Peter Eisentraut <peter_e@gmx.net>.
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.323 2006/06/27 19:07:50 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.324 2006/06/27 22:16:44 momjian Exp $
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*
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*--------------------------------------------------------------------
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*/
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@ -64,6 +64,7 @@
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#include "utils/builtins.h"
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#include "utils/memutils.h"
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#include "utils/pg_locale.h"
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#include "utils/ps_status.h"
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#include "pgstat.h"
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#include "access/gin.h"
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@ -728,6 +729,16 @@ static struct config_bool ConfigureNamesBool[] =
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true, NULL, NULL
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},
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{
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{"update_process_title", PGC_SUSET, STATS_COLLECTOR,
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gettext_noop("Updates the process title to show the active SQL command."),
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gettext_noop("Enables updating of the process title every time a new
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SQL command is received by the server.")
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},
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&update_process_title,
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true, NULL, NULL
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},
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{
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{"autovacuum", PGC_SIGHUP, AUTOVACUUM,
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gettext_noop("Starts the autovacuum subprocess."),
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@ -323,11 +323,14 @@
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# - Query/Index Statistics Collector -
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#stats_command_string = on
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#update_process_title = on
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#stats_start_collector = on # needed for block or row stats
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#stats_block_level = off
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#stats_row_level = off
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#stats_reset_on_server_start = off
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# - Statistics Monitoring -
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#log_parser_stats = off
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@ -5,7 +5,7 @@
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* to contain some useful information. Mechanism differs wildly across
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* platforms.
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*
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* $PostgreSQL: pgsql/src/backend/utils/misc/ps_status.c,v 1.30 2006/06/12 02:39:49 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/misc/ps_status.c,v 1.31 2006/06/27 22:16:44 momjian Exp $
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*
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* Copyright (c) 2000-2006, PostgreSQL Global Development Group
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* various details abducted from various places
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@ -31,6 +31,7 @@
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#include "utils/ps_status.h"
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extern char **environ;
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bool update_process_title = true;
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/*
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@ -210,7 +211,7 @@ save_ps_display_args(int argc, char **argv)
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*/
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void
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init_ps_display(const char *username, const char *dbname,
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const char *host_info)
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const char *host_info, const char *initial_str)
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{
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Assert(username);
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Assert(dbname);
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@ -270,6 +271,7 @@ init_ps_display(const char *username, const char *dbname,
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ps_buffer_fixed_size = strlen(ps_buffer);
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set_ps_display(initial_str, true);
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#endif /* not PS_USE_NONE */
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}
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@ -280,8 +282,12 @@ init_ps_display(const char *username, const char *dbname,
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* indication of what you're currently doing passed in the argument.
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*/
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void
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set_ps_display(const char *activity)
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set_ps_display(const char *activity, bool force)
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{
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if (!force && !update_process_title)
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return;
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#ifndef PS_USE_NONE
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/* no ps display for stand-alone backend */
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if (!IsUnderPostmaster)
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@ -4,7 +4,7 @@
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*
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* Declarations for backend/utils/misc/ps_status.c
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*
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* $PostgreSQL: pgsql/src/include/utils/ps_status.h,v 1.26 2005/11/05 03:04:53 tgl Exp $
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* $PostgreSQL: pgsql/src/include/utils/ps_status.h,v 1.27 2006/06/27 22:16:44 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -12,12 +12,14 @@
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#ifndef PS_STATUS_H
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#define PS_STATUS_H
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extern bool update_process_title;
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extern char **save_ps_display_args(int argc, char **argv);
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extern void init_ps_display(const char *username, const char *dbname,
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const char *host_info);
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const char *host_info, const char *initial_str);
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extern void set_ps_display(const char *activity);
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extern void set_ps_display(const char *activity, bool force);
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extern const char *get_ps_display(int *displen);
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