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A read0 received on the connection must not be handled too early by FCGI streams. If the demux buffer is not empty, the pending read0 must not be considered. The FCGI streams must not be passed in half-closed remote state in fcgi_strm_wake_one_stream() and the CS_FL_EOS flag must not be set on the associated conn-stream in fcgi_rcv_buf(). To sum up, it means, if there are still data pending in the demux buffer, no abort must be reported to the streams. To fix the issue, a dedicated function has been added, responsible for detecting pending read0 for a FCGI connection. A read0 is reported only if the demux buffer is empty. This function is used instead of conn_xprt_read0_pending() at some places. This patch should fix the issue #886. It must be backported as far as 2.1.
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)