11f7994bcb
The current tasklet_wakeup() call relies on tasklet_wakeup_on(tl->tid), which was already quite ambiguous till now due to the sole reliance on tid being negative or not to decide to run locally, but it no longer works correctly if used to wake tasks up since the new set of possible negative values for ->tid (particularly if some code calls __tasklet_wakeup_on() on a task as is done in task_instant_wakeup()). The problem is that it is not possible in the current API to explicitly say that we want a task/tasklet to run locally or remotely without having to play games with a thread number. The chosen approach to address this is to change tasklet_wakeup_on() to always be remote and have tasklet_wakeup_here() which will always be local, with tasklet_wakeup() choosing one or the other depending on the tid, for backwards compat only. This patch implements tasklet_wakeup_here() to __tasklet_wakeup_here() that reimplement the part of __tasklet_wakeup_on() that used to deal with the local thread only (negative tid). No other change was made. For now it remains unused. The doc was updated. |
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HAProxy
HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
Installation
The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.
Getting help
The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.
The issue tracker is only for bug reports or feature requests.
Documentation
The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.
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)
License
HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.