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In process_chk_conn(), make sure we set the task affinity to the current thread as soon as we're attempting a connection (and reset the affinity to "any thread" if we detect a failure). We used to only set the task affinity if connect_conn_chk() returned SF_ERR_NONE, however for TCP checks, SF_ERR_UP is returned, so for those checks, the task could still run on any thread, and this could lead to a race condition where the connection runs on one thread, while the task runs on another one, which could create random memory corruption and/or crashes. This may fix github issue #369. This should be backported to 2.1, 2.0 and 1.9.
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)