William Lallemand 9a1ee7ac31 MEDIUM: mworker-prog: implement program for master-worker
This patch implements the external binary support in the master worker.

To configure an external process, you need to use the program section,
for example:

	program dataplane-api
		command ./dataplane_api

Those processes are launched at the same time as the workers.

During a reload of HAProxy, those processes are dealing with the same
sequence as a worker:

  - the master is re-executed
  - the master sends a USR1 signal to the program
  - the master launches a new instance of the program

During a stop, or restart, a SIGTERM is sent to the program.
2019-04-01 14:45:37 +02:00
2019-04-01 13:33:31 +02:00
2019-03-26 05:40:51 +01:00
2019-03-26 05:40:51 +01:00
2019-03-26 05:40:51 +01:00

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
  - 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)
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