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Mirror of the official PostgreSQL GIT repository. Note that this is just a *mirror* - we don't work with pull requests on github. To contribute, please see https://wiki.postgresql.org/wiki/Submitting_a_Patch
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Andres Freund acad909321 aio: Fix possible state confusions due to interrupt processing 
elog()/ereport() process interrupts, iff the log message is < ERROR and the
log message will be emitted. aio's debug messages are emitted via ereport(),
but in some places the code is not ready for interrupts to be processed.

Fix the issue using a few different methods:

1) handle interrupts arriving concurrently - in some places it's easy to
   detect that by fetching the handle's generation a bit earlier
2) Check if interrupts made the work needing to be done obsolete
3) Disallow interrupts, as there's no sane way to make interrupt processing
   safe

To prevent some similar issues from being re-introduced, assert that
interrupts are held in pgaio_io_update_state().

This commit also fixes the contents of a debug message I added in 039bfc457e.

Reported-by: Alexander Lakhin <exclusion@gmail.com>
Reviewed-by: Noah Misch <noah@leadboat.com>
Discussion: https://postgr.es/m/mvpm7ga3dfgz7bvum22hmuz26cariylmcppb3irayftc7bwk3r@l7gb6gr7azhc
2025-05-19 21:07:06 -04:00
.github Add CODE_OF_CONDUCT.md, CONTRIBUTING.md, and SECURITY.md. 2024-07-02 13:03:58 -05:00
config oauth: Move the builtin flow into a separate module 2025-05-01 09:14:30 -07:00
contrib Fix incorrect year in some copyright notices 2025-05-19 09:46:52 +09:00
doc Align organization wording in copyright statement 2025-05-16 11:20:07 -04:00
src aio: Fix possible state confusions due to interrupt processing 2025-05-19 21:07:06 -04:00
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configure Make our usage of memset_s() conform strictly to the C11 standard. 2025-05-18 12:45:55 -04:00
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meson_options.txt Add support for basic NUMA awareness 2025-04-07 23:08:17 +02:00
meson.build Make our usage of memset_s() conform strictly to the C11 standard. 2025-05-18 12:45:55 -04:00
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/.