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Tom Lane d18643c4a6 Shift the responsibility for emitting "database system is shut down". 
Historically this message has been emitted at the end of ShutdownXLOG().
That's not an insane place for it in a standalone backend, but in the
postmaster environment we've grown a fair amount of stuff that happens
later, including archiver/walsender shutdown, stats collector shutdown,
etc.  Recent buildfarm experimentation showed that on slower machines
there could be many seconds' delay between finishing ShutdownXLOG() and
actual postmaster exit.  That's fairly confusing, both for testing
purposes and for DBAs.  Hence, move the code that prints this message
into UnlinkLockFiles(), so that it comes out just after we remove the
postmaster's pidfile.  That is a more appropriate definition of "is shut
down" from the point of view of "pg_ctl stop", for example.  In general,
removing the pidfile should be the last externally-visible action of
either a postmaster or a standalone backend; compare commit
d73d14c271 for instance.  So this seems
like a reasonably future-proof approach.
2016-02-11 14:14:22 -05:00
config Install our "missing" script where PGXS builds can find it. 2015-12-11 16:15:05 -05:00
contrib postgres_fdw: Remove unnecessary variable. 2016-02-10 08:17:43 -05:00
doc Accept pg_ctl timeout from the PGCTLTIMEOUT environment variable. 2016-02-10 20:34:02 -05:00
src Shift the responsibility for emitting "database system is shut down". 2016-02-11 14:14:22 -05:00
.dir-locals.el emacs: Set indent-tabs-mode in perl-mode 2015-04-12 23:53:23 -04:00
.gitattributes Add functions for dealing with PGP armor header lines to pgcrypto. 2014-10-01 16:03:39 +03:00
.gitignore Add .gitignore entries for AIX-specific intermediate build artifacts. 2015-07-08 20:44:22 -04:00
aclocal.m4 Replace our hacked version of ax_pthread.m4 with latest upstream version. 2015-07-08 20:36:06 +03:00
configure Add support for systemd service notifications 2016-02-02 21:04:29 -05:00
configure.in Add support for systemd service notifications 2016-02-02 21:04:29 -05:00
COPYRIGHT Update copyright for 2016 2016-01-02 13:33:40 -05:00
GNUmakefile.in Fix distclean/maintainer-clean targets to remove top-level tmp_install dir. 2015-05-13 18:48:05 -04:00
HISTORY Improve text of stub HISTORY file. 2014-02-12 18:16:17 -05:00
Makefile Allow make check in PL directories 2011-02-15 06:52:12 +02:00
README Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00
README.git Don't generate plain-text HISTORY and src/test/regress/README anymore. 2014-02-10 20:48:04 -05:00

README 

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	http://www.postgresql.org/download

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
http://www.postgresql.org/download/.  For more information look at our
web site located at http://www.postgresql.org/.