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After processing a task, its RUNNING bit is cleared and at the same time
we check for other bits to decide whether to requeue the task or not. It
happens that we only want to check the TASK_WOKEN_* bits, because :
- TASK_RUNNING was just cleared
- TASK_GLOBAL and TASK_QUEUE cannot be set yet as the task was running,
preventing it from being requeued
It's important not to catch yet undefined flags there because it would
prevent addition of new task flags. This also shows more clearly that
waking a task up with flags 0 is not something safe to do as the task
will not be woken up if it's already running.
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)