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f34a3fa33d
When soft-stopping, there's a comparison between stopping_threads and
threads_enabled to make sure all threads are stopped, but this is not
correct and is racy since the threads_enabled bit is removed when a
thread is stopped but not its stopping_threads bit. The consequence is
that depending on timing, when stopping, if the first stopping thread
is fast enough to remove its bit from threads_enabled, the other threads
will see that stopping_threads doesn't match threads_enabled anymore and
will wait forever. As such the mask must be applied to stopping_threads
during the test. This issue was introduced in recent commit ef422ced9
("MEDIUM: thread: make stopping_threads per-group and add stopping_tgroups"),
no backport is needed.
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)