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Michael Paquier 47556a0013 Fix pg_recvlogical upon signal termination
When pg_recvlogical needs to abort on a signal like SIGINT/SIGTERM, it
is expected to exit cleanly as the code documents.  However, the code
forgot to clean up the state of the connection before leaving.  This
would cause the tool to emit messages like "unexpected termination of
replication stream" error, which is meant for really unexpected
termination or a crash.

The code is refactored to apply the same termination abort operations for
signals, end LSN and keepalive cases, registering a "reason" for the
termination with a message printed under --verbose adapted to the reason
used.

This is arguably a bug, but this has been this way since the tool exists
and the signal termination can now become slower depending on the change
being decoded when the signal is received.

Reported-by: Andres Freund
Author: Bharath Rupireddy
Reviewed-by: Andres Freund, Kyotaro Horiguchi, Cary Huang, Michael
Paquier
Discussion: https://postgr.es/m/20221019213953.htdtzikf4f45ywil@awork3.anarazel.de
2023-07-20 10:22:46 +09:00
config All supported systems have locale_t. 2023-07-09 11:55:18 +12:00
contrib Remove unnecessary pfree() in g_intbig_compress(). 2023-07-13 13:07:51 -04:00
doc Doc: move unparenthesized syntaxes for a few commands. 2023-07-19 15:26:59 -07:00
src Fix pg_recvlogical upon signal termination 2023-07-20 10:22:46 +09:00
.cirrus.yml cirrus/freebsd: define ENFORCE_REGRESSION_TEST_NAME_RESTRICTIONS 2023-07-03 10:35:48 +02:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Add .editorconfig 2019-12-18 09:13:13 +01:00
.git-blame-ignore-revs Add b334612b8 to .git-blame-ignore-revs. 2023-06-20 09:52:52 -04:00
.gitattributes gitattributes: Ignore imported pg_bsd_indent code for whitespace checks 2023-02-22 09:00:28 +01:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
COPYRIGHT Update copyright for 2023 2023-01-02 15:00:37 -05:00
GNUmakefile.in Integrate pg_bsd_indent into our build/test infrastructure. 2023-02-12 12:22:21 -05:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Dynamically find correct installation docs in Makefile. 2022-01-19 14:48:25 +01:00
README Canonicalize some URLs 2020-02-10 20:47:50 +01:00
README.git Canonicalize some URLs 2020-02-10 20:47:50 +01:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Remove --disable-thread-safety and related code. 2023-07-12 08:20:43 +12:00
configure.ac Remove --disable-thread-safety and related code. 2023-07-12 08:20:43 +12:00
meson.build meson: Tie adding C++ support to the llvm Meson option 2023-07-12 16:26:02 -07:00
meson_options.txt meson: Attach colon to keyword argument 2023-06-29 12:53:41 +02:00

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:

	https://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
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.