postgresql

mirror of https://git.postgresql.org/git/postgresql.git synced 2024-08-21 11:33:25 +02:00

Go to file

Thomas Munro e086b55381 Don't trust signalfd() on illumos. Since commit `6a2a70a02`, we've used signalfd() to receive latch wakeups when building with WAIT_USE_EPOLL (default for Linux and illumos), and our traditional self-pipe when falling back to WAIT_USE_POLL (default for other Unixes with neither epoll() nor kqueue()). Unexplained hangs and kernel panics have been reported on illumos systems, apparently linked to this use of signalfd(), leading illumos users and build farm members to have to define WAIT_USE_POLL explicitly as a work-around. A bug report exists at https://www.illumos.org/issues/13700 but no fix is available yet. Let's provide a way for illumos users to go back to self-pipes with epoll(), like releases before 14, and choose that by default. No change for Linux users. To help with development/debugging, macros WAIT_USE_{EPOLL,POLL} and WAIT_USE_{SIGNALFD,SELF_PIPE} can be defined explicitly to override the defaults. Back-patch to 14, where we started using signalfd(). Reported-by: Japin Li <japinli@hotmail.com> Reported-by: Olaf Bohlen <olbohlen@eenfach.de> (off-list) Reviewed-by: Japin Li <japinli@hotmail.com> Discussion: https://postgr.es/m/MEYP282MB1669C8D88F0997354C2313C1B6CA9%40MEYP282MB1669.AUSP282.PROD.OUTLOOK.COM		2022-06-26 11:00:04 +12:00
config	Suppress warning about stack_base_ptr with late-model GCC.	2022-02-17 22:45:34 -05:00
contrib	CREATE INDEX: use the original userid for more ACL checks.	2022-06-25 09:07:44 -07:00
doc	doc: improve wording of plpgsql RAISE format text	2022-06-22 16:59:54 -04:00
src	Don't trust signalfd() on illumos.	2022-06-26 11:00:04 +12:00
.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 list of ignorable pgindent commits for git-blame.	2021-06-22 09:06:32 -07:00
.gitattributes	gitattributes: Add new entry to silence whitespace error	2021-06-05 07:57:31 +02:00
.gitignore	Support for optimizing and emitting code in LLVM JIT provider.	2018-03-22 11:05:22 -07:00
aclocal.m4	Probe $PROVE not $PERL while checking for modules needed by TAP tests.	2021-11-22 12:54:52 -05:00
configure	Stamp 14.4.	2022-06-13 16:04:05 -04:00
configure.ac	Stamp 14.4.	2022-06-13 16:04:05 -04:00
COPYRIGHT	Update copyright for 2022	2022-01-07 19:04:56 -05:00
GNUmakefile.in	add missing tag from commit `b8c4261e5e`	2021-07-01 15:47:47 -04:00
HISTORY	Canonicalize some URLs	2020-02-10 20:47:50 +01:00
Makefile	Don't unset MAKEFLAGS in non-GNU Makefile.	2019-06-25 09:36:21 +12:00
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

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/.