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We'll need to add more complex structures in the ring, such as wait queues. That's far too much to be stored into the area in case of file-backed contents, so let's split the ring definition and its storage once for all. This patch introduces a struct ring_storage which is assigned to ring->storage, which contains minimal information to represent the storage layout, i.e. for now only the buffer, and all the rest remains in the ring itself. The storage is appended immediately after it and the buffer's pointer always points to that area. It has the benefit of remaining 100% compatible with the existing file-backed layout. In memory, the allocation loses the size of a struct buffer. It's not even certain it's worth placing the size there, given that it's constant and that a dump of a ring wouldn't really need it (the file size is sufficient). But for now everything comes with the struct buffer, and later this will change once split into head and tail. Also this area may be completed with more information in the future (e.g. storage version, format, endianness, word size etc).
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)