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It is neither convenient nor scalable to check each and every tasklet queue to figure whether it's empty or not while we often need to check them all at once. This patch introduces a tasklet class mask which gets a bit 1 set for each queue representing one class of service. A single test on the mask allows to figure whether there's still some work to be done. It will later be usable to better factor the runqueue code. Bits are set when tasklets are queued. They're cleared when queues are emptied. It is possible that a queue is empty but has a bit if a tasklet was added then removed, but this is not a problem as this is properly checked for in run_tasks_from_list().
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)