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Michael Paquier c100340729 Remove PG_MMAP_FLAGS from mem.h 
Based on name of the macro, it was implied that it could be used for all
mmap() calls on portability grounds.  However, its use is limited to
sysv_shmem.c, for CreateAnonymousSegment().  This commit removes the
declaration, reducing the confusion around it as a portability tweak,
being limited to SysV-style shared memory.

This macro has been introduced in b0fc0df936 for sysv_shmem.c,
originally.  It has been moved to mem.h in 0ac5e5a7e1 a bit later.

Suggested by: Peter Eisentraut <peter@eisentraut.org>
Author: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://postgr.es/m/CAExHW5vTWABxuM5fbQcFkGuTLwaxuZDEE2vtx2WuMUWk6JnF4g@mail.gmail.com
Discussion: https://postgr.es/m/12add41a-7625-4639-a394-a5563e349322@eisentraut.org
2026-01-26 10:52:02 +09:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config Update copyright for 2026 2026-01-01 13:24:10 -05:00
contrib pg_stat_statements: Fix test instability with cache-clobbering builds 2026-01-25 19:01:23 +09:00
doc Add WALRCV_CONNECTING state to the WAL receiver 2026-01-23 14:17:28 +09:00
src Remove PG_MMAP_FLAGS from mem.h 2026-01-26 10:52:02 +09:00
.cirrus.star ci: Simplify ci-os-only handling 2025-08-14 12:09:34 -04:00
.cirrus.tasks.yml ci: Configure g++ with 32-bit for 32-bit build 2026-01-09 08:58:50 +01:00
.cirrus.yml ci: Per-repo configuration for manually trigger tasks 2025-08-14 11:54:03 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
.editorconfig Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.git-blame-ignore-revs Add commit 86b276a4a9 to .git-blame-ignore-revs. 2025-12-05 14:21:12 -06:00
.gitattributes Update .editorconfig and .gitattributes for postgresql.conf.sample. 2025-11-18 10:28:36 -06:00
.gitignore Update top-level .gitignore. 2022-12-04 15:23:00 -05:00
.mailmap Add a Git .mailmap file 2024-11-05 13:56:02 +01:00
aclocal.m4 autoconf: Move export_dynamic determination to configure 2022-12-06 18:55:28 -08:00
configure Detect if flags are needed for C++11 support 2026-01-22 09:09:25 +01:00
configure.ac Detect if flags are needed for C++11 support 2026-01-22 09:09:25 +01:00
COPYRIGHT Update copyright for 2026 2026-01-01 13:24:10 -05:00
GNUmakefile.in Allow selecting the git revision to be packaged by "make dist". 2024-05-03 11:08:50 -04:00
HISTORY Canonicalize some URLs 2020-02-10 20:47:50 +01:00
Makefile Remove AIX support 2024-02-28 15:17:23 +04:00
meson.build Detect if flags are needed for C++11 support 2026-01-22 09:09:25 +01:00
meson_options.txt Update copyright for 2026 2026-01-01 13:24:10 -05:00
README.md Revise the style of a paragraph in README.md. 2024-03-21 10:16:41 -05:00

README.md

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.

Copyright and license information can be found in the file COPYRIGHT.

General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.

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