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Peter Geoghegan 46ef520b95 Mark buffers as defined to Valgrind consistently. 
Make PinBuffer() mark buffers as defined to Valgrind unconditionally,
including when the buffer header spinlock must be acquired.  Failure to
handle that case could lead to false positive reports from Valgrind.

This theoretically creates a risk that we'll mark buffers defined even
when external callers don't end up with a buffer pin.  That seems
perfectly acceptable, though, since in general we make no guarantees
about buffers that are unsafe to access being reliably marked as unsafe.

Oversight in commit 1e0dfd16, which added valgrind buffer access
instrumentation.
 		2020-07-19 09:46:44 -07:00
config Update config.guess and config.sub 2020-04-30 09:06:49 +02:00
contrib Fix compilation failure with sepgsql 2020-07-15 09:42:21 +09:00
doc Correctly mark pg_subscription.subslotname as nullable. 2020-07-19 12:37:23 -04:00
src Mark buffers as defined to Valgrind consistently. 2020-07-19 09:46:44 -07:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:31 -08:00
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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/.