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Right now in enable_listener(), we used to start all enabled listeners then kill from the workers those that were for the master. But this is incomplete. We must also close from the master the listeners that are solely for workers, and do it before we even start them. Otherwise we end up with a master responding to the worker CLI connections if the listener remains in listen mode to translate the socket's real state. It doesn't seem like it could have caused bugs in the past because we used to aggressively mark disabled listeners as LI_ASSIGNED despite the fact that they were still bound and listening. If this patch were ever seen as a candidate solution for any obscure bug, be careful in that it subtly relies on the fact that fd_delete() doesn't close inherited FDs anymore, otherwise that could break the master's ability to pass inherited FDs on reloads.
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)