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Amaury Denoyelle 7b516d3732 BUG/MINOR: quic: fix race on quic_conns list during affinity rebind 
Each quic_conn are attached in a global thread-local quic_conns list
used for "show quic" command. During thread rebinding, a connection is
detached from its local list instance and moved to its new thread list.
However this operation is not thread-safe and may cause a race
condition.

To fix this, only remove the connection from its list inside
qc_set_tid_affinity(). The connection is inserted only after in
qc_finalize_affinity_rebind() on the new thread instance thus prevented
a race condition. One impact of this is that a connection will be
invisible during rebinding for "show quic".

A connection must not transition to closing state in between this two
steps or else cleanup via quic_handle_stopping() may not miss it. To
ensure this, this patch relies on the previous commit :
  commit d6646dddcc
  MINOR: quic: finalize affinity change as soon as possible

This should be backported up to 2.7.
2023-04-26 17:50:22 +02:00
.github CI: extend spellchecker whitelist, add "clen" as well 2023-04-23 09:44:53 +02:00
addons CLEANUP: opentracing: remove the last two occurrences of strncat() 2023-04-07 18:14:28 +02:00
admin MINOR: acme.sh: add the deploy script for acme.sh in admin directory 2023-04-26 17:32:15 +02:00
dev DEV: h2: support reading frame payload from a file 2023-04-26 11:36:02 +02:00
doc [RELEASE] Released version 2.8-dev8 2023-04-23 10:21:37 +02:00
examples EXAMPLES: add basic event_hdl lua example script 2023-04-05 09:02:14 +02:00
include MINOR: quic: finalize affinity change as soon as possible 2023-04-26 17:50:16 +02:00
reg-tests REGTESTS: remove unsupported "stats bind-process" keyword 2023-04-23 09:44:53 +02:00
scripts SCRIPTS: run-regtests: add a version check 2022-11-30 18:44:33 +01:00
src BUG/MINOR: quic: fix race on quic_conns list during affinity rebind 2023-04-26 17:50:22 +02:00
tests TESTS: add a unit test for one_among_mask() 2022-06-21 20:29:57 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 13-1 2023-04-23 09:44:53 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore CLEANUP: exclude udp-perturb with .gitignore 2022-09-16 15:47:04 +02:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml CI: travis-ci: temporarily disable arm64 builds 2021-08-07 07:28:15 +02:00
BRANCHES DOC: fix some spelling issues over multiple files 2021-01-08 14:53:47 +01:00
CHANGELOG [RELEASE] Released version 2.8-dev8 2023-04-23 10:21:37 +02:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2021-08-16 12:37:59 +02:00
INSTALL MINOR: version: mention that it's development again 2022-12-01 15:24:10 +01:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS CLEANUP: assorted typo fixes in the code and comments 2022-11-30 14:02:36 +01:00
Makefile MINOR: quic: Add a fake congestion control algorithm named "nocc" 2023-03-31 17:09:03 +02:00
README DOC: create a BRANCHES file to explain the life cycle 2019-06-15 22:00:14 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 2.8-dev8 2023-04-23 10:21:37 +02:00
VERSION [RELEASE] Released version 2.8-dev8 2023-04-23 10:21:37 +02:00

README 

The HAProxy documentation has been split into a number of different files for
ease of use.

Please refer to the following files depending on what you're looking for :

  - INSTALL for instructions on how to build and install HAProxy
  - BRANCHES to understand the project's life cycle and what version to use
  - LICENSE for the project's license
  - CONTRIBUTING for the process to follow to submit contributions

The more detailed documentation is located into the doc/ directory :

  - doc/intro.txt for a quick introduction on HAProxy
  - doc/configuration.txt for the configuration's reference manual
  - doc/lua.txt for the Lua's reference manual
  - doc/SPOE.txt for how to use the SPOE engine
  - doc/network-namespaces.txt for how to use network namespaces under Linux
  - doc/management.txt for the management guide
  - doc/regression-testing.txt for how to use the regression testing suite
  - doc/peers.txt for the peers protocol reference
  - doc/coding-style.txt for how to adopt HAProxy's coding style
  - doc/internals for developer-specific documentation (not all up to date)