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HAProxy - Load balancer
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William Lallemand 97490a7789 BUG/MEDIUM: mworker: can't use signals after a failed reload 
In issue #3229 it was reported that the master couldn't reload after a
failed reload following a wrong configuration.

It is still possible to do a reload using the "reload" command of the
master CLI. But every signals are blocked.

The problem was introduced in 709cde6d0 ("BUG/MEDIUM: mworker: signals
inconsistencies during startup and reload") which fixes the blocking of
signals during the reload.

However the patch missed a case, indeed, the
run_master_in_recovery_mode() is not being called when the worker failed
to parse the configuration, it is only failing when the master is
failing.

To handle this case, the mworker_unblock_signals() function must be
called upon mworker_on_new_child_failure(). But since this is called in
an haproxy signal handler it would mess with the signals.

Instead, the patch adds a task which is started by the signal handler,
and restores the signals outside of it.

This must be backported as far as 3.1.
2026-01-06 14:27:53 +01:00
.github CI: github: use git prefix for openssl-master.yml 2025-12-18 16:13:04 +01:00
addons MINOR: applet: Add a flag to know an applet is using HTX buffers 2025-08-25 11:11:05 +02:00
admin CLEANUP: assorted typo fixes in the code, commits and doc 2025-12-25 19:45:29 +01:00
dev CLEANUP: use the automatic alignment feature 2025-12-09 17:14:58 +01:00
doc MEDIUM: cpu-topo: Add an optional directive for per-group affinity 2026-01-06 11:32:45 +01:00
examples MINOR: mailers: warn if mailers are configured but not actually used 2025-06-27 16:41:18 +02:00
include CLEANUP: assorted typo fixes in the code, commits and doc 2025-12-25 19:45:29 +01:00
reg-tests CLEANUP: assorted typo fixes in the code, commits and doc 2025-12-25 19:45:29 +01:00
scripts REGTESTS: fix error when no test are skipped 2025-12-18 17:26:50 +01:00
src BUG/MEDIUM: mworker: can't use signals after a failed reload 2026-01-06 14:27:53 +01:00
tests TESTS: quic: add unit-tests for QUIC TX part 2025-09-08 14:49:03 +02:00
.cirrus.yml CI: cirrus-ci: bump FreeBSD image to 14-3 2025-10-09 14:06:48 +02:00
.gitattributes MINOR: Configure the cpp userdiff driver for *.[ch] in .gitattributes 2021-02-22 18:17:57 +01:00
.gitignore MINOR: tevt/dev: Add term_events tool 2025-01-31 10:41:50 +01:00
.mailmap DOC: update Tim's address in .mailmap 2021-09-16 09:14:14 +02:00
.travis.yml MEDIUM: mworker: remove USE_SYSTEMD requirement for -Ws 2024-11-20 12:07:38 +01:00
BRANCHES DOC: clarify the experimental status for certain features 2025-10-17 18:41:13 +02:00
BSDmakefile BUILD: makefile: commit the tiny FreeBSD makefile stub 2023-05-24 17:17:36 +02:00
CHANGELOG [RELEASE] Released version 3.4-dev1 2025-12-10 16:52:30 +01:00
CONTRIBUTING CLEANUP: assorted typo fixes in the code and comments 2025-04-02 11:12:20 +02:00
INSTALL MINOR: version: mention that it's development again 2025-11-26 16:11:47 +01:00
LICENSE LICENSE: add licence exception for OpenSSL 2012-09-07 13:52:26 +02:00
MAINTAINERS MAJOR: spoe: Let the SPOE back into the game 2024-05-22 09:04:38 +02:00
Makefile MINOR: net_helper: add sample converters to decode ethernet frames 2025-12-31 17:15:36 +01:00
README.md DOC: change the link to the FreeBSD CI in README.md 2024-06-03 15:21:29 +02:00
SUBVERS BUILD: use format tags in VERDATE and SUBVERS files 2013-12-10 11:22:49 +01:00
VERDATE [RELEASE] Released version 3.4-dev1 2025-12-10 16:52:30 +01:00
VERSION [RELEASE] Released version 3.4-dev1 2025-12-10 16:52:30 +01:00

README.md

HAProxy

alpine/musl AWS-LC openssl no-deprecated Illumos NetBSD FreeBSD VTest

HAProxy logo

HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.

Installation

The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.

Getting help

The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.

The issue tracker is only for bug reports or feature requests.

Documentation

The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.

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:

License

HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.