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HAProxy - Load balancer
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Christopher Faulet ff1c803279 BUG/MEDIUM: listener: Acquire proxy's lock in relax_listener() if necessary 
Listener functions must follow a common locking pattern:

  1. Get the proxy's lock if necessary
  2. Get the protocol's lock if necessary
  3. Get the listener's lock if necessary

We must take care to respect this order to avoid any ABBA issue. However, an
issue was introduced in the commit bcad7e631 ("MINOR: listener: add
relax_listener() function"). relax_listener() gets the lisener's lock and if
resume_listener() is called, the proxy's lock is then acquired.

So to fix the issue, the proxy's lock is first acquired in relax_listener(),
if necessary.

This patch should fix the issue #2222. It must be backported as far as 2.4
because the above commit is marked to be backported there.
2023-07-21 15:08:27 +02:00
.github CI: explicitely highlight VTest result section if there's something 2023-07-17 15:56:53 +02:00
addons MINOR: tree-wide: use free_acl_cond() where relevant 2023-05-11 15:37:04 +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: add a Lua helper script for SSL keys logging 2023-05-24 16:08:23 +02:00
doc MINOR: lua: Allow reading "proc." scoped vars from LUA core. 2023-07-20 10:55:28 +02:00
examples EXAMPLES: maintain haproxy 2.8 retrocompatibility for lua mailers script 2023-07-11 16:04:22 +02:00
include MINOR: quic: add trace about pktns packet/frames releasing 2023-07-21 14:31:42 +02:00
reg-tests MEDIUM: ssl: new sample fetch method to get curve name 2023-07-17 15:45:41 +02:00
scripts SCRIPTS: publish-release: update the umask to keep group write access 2023-05-24 22:49:12 +02:00
src BUG/MEDIUM: listener: Acquire proxy's lock in relax_listener() if necessary 2023-07-21 15:08:27 +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 CONTRIB: Add vi file extensions to .gitignore 2023-06-02 18:14:34 +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
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 2.9-dev1 2023-07-02 11:13:42 +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 2023-05-31 16:28:34 +02:00
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 BUILD: Makefile: use -pthread not -lpthread when threads are enabled 2023-05-31 12:06:41 +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 2.9-dev1 2023-07-02 11:13:42 +02:00
VERSION [RELEASE] Released version 2.9-dev1 2023-07-02 11:13:42 +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)