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Willy Tarreau 6a38b3297c BUILD: threads: fix again the __ha_cas_dw() definition 
This low-level asm implementation of a double CAS was implemented only
for certain architectures (x86_64, armv7, armv8). When threads are not
used, they were not defined, but since they were called directly from
a few locations, they were causing build issues on certain platforms
with threads disabled. This was addressed in commit f4436e1 ("BUILD:
threads: Add __ha_cas_dw fallback for single threaded builds") by
making it fall back to HA_ATOMIC_CAS() when threads are not defined,
but this actually made the situation worse by breaking other cases.

This patch fixes this by creating a high-level macro HA_ATOMIC_DWCAS()
which is similar to HA_ATOMIC_CAS() except that it's intended to work
on a double word, and which rely on the asm implementations when threads
are in use, and uses its own open-coded implementation when threads are
not used. The 3 call places relying on __ha_cas_dw() were updated to
use HA_ATOMIC_DWCAS() instead.

This change was tested on i586, x86_64, armv7, armv8 with and without
threads with gcc 4.7, armv8 with gcc 5.4 with and without threads, as
well as i586 with gcc-3.4 without threads. It will need to be backported
to 1.9 along with the fix above to fix build on armv7 with threads
disabled.
 		2019-05-11 18:13:29 +02:00
.github/ISSUE_TEMPLATE DOC: add github issue templates 2019-01-17 22:53:55 +01:00
contrib MINOR: systemd: support /etc/sysconfig/ for redhat based distrib 2019-05-07 14:11:55 +02:00
doc MINOR: streams: Introduce a new retry-on keyword, all-retryable-errors. 2019-05-10 18:05:35 +02:00
ebtree
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examples CLEANUP: wurfl: removed deprecated methods 2019-04-23 11:00:23 +02:00
include BUILD: threads: fix again the __ha_cas_dw() definition 2019-05-11 18:13:29 +02:00
reg-tests REGTEST: Wrong assumption in IP:port logging test. 2019-05-07 13:58:35 +02:00
scripts BUILD: add BoringSSL to travis-ci build matrix 2019-05-10 10:39:29 +02:00
src BUILD: threads: fix again the __ha_cas_dw() definition 2019-05-11 18:13:29 +02:00
tests
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.gitignore DOC: split the README into README + INSTALL 2018-12-16 22:30:57 +01:00
.travis.yml BUILD: travis-ci: make TMPDIR global variable in travis-ci 2019-05-11 06:07:47 +02:00
CHANGELOG [RELEASE] Released version 2.0-dev2 2019-03-26 05:40:51 +01:00
CONTRIBUTING
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INSTALL Revert "CLEANUP: wurfl: remove dead, broken and unmaintained code" 2019-04-23 10:34:43 +02:00
LICENSE
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MAINTAINERS DOC: wurfl: added point of contact in MAINTAINERS file 2019-04-23 11:00:23 +02:00
Makefile REGTEST: replace LEVEL option by a more human readable one. 2019-04-23 15:14:52 +02:00
README DOC: split the README into README + INSTALL 2018-12-16 22:30:57 +01:00
ROADMAP
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SUBVERS
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VERDATE [RELEASE] Released version 2.0-dev2 2019-03-26 05:40:51 +01:00
VERSION [RELEASE] Released version 2.0-dev2 2019-03-26 05:40:51 +01:00

README 

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)