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Andres Freund 55d7027d58 Unify SIGHUP handling between normal and walsender backends. 
Because walsender and normal backends share the same main loop it's
problematic to have two different flag variables, set in signal
handlers, indicating a pending configuration reload.  Only certain
walsender commands reach code paths checking for the
variable (START_[LOGICAL_]REPLICATION, CREATE_REPLICATION_SLOT
... LOGICAL, notably not base backups).

This is a bug present since the introduction of walsender, but has
gotten worse in releases since then which allow walsender to do more.

A later patch, not slated for v10, will similarly unify SIGHUP
handling in other types of processes as well.

Author: Petr Jelinek, Andres Freund
Reviewed-By: Michael Paquier
Discussion: https://postgr.es/m/20170423235941.qosiuoyqprq4nu7v@alap3.anarazel.de
Backpatch: 9.2-, bug is present since 9.0
2017-06-05 19:18:16 -07:00
..
access Fix typos in comments. 2017-02-06 11:34:24 +02:00
bootstrap Fix off-by-one loop count in MapArrayTypeName, and get rid of static array. 2014-12-16 15:35:36 -05:00
catalog Further patch rangetypes_selfuncs.c's statistics slot management. 2017-05-08 15:02:58 -04:00
commands Rework internals of changing a type's ownership 2015-12-21 19:49:15 -03:00
common Fix integer-overflow problems in interval comparison. 2017-04-05 23:51:28 -04:00
datatype pgindent run for 9.4 2014-05-06 12:12:18 -04:00
executor Fix latent crash in do_text_output_multiline(). 2016-05-23 14:16:41 -04:00
foreign Update copyright for 2014 2014-01-07 16:05:30 -05:00
lib pgindent run for 9.4 2014-05-06 12:12:18 -04:00
libpq Give nicer error message when connecting to a v10 server requiring SCRAM. 2017-05-05 11:24:29 +03:00
mb pgindent run for 9.4 2014-05-06 12:12:18 -04:00
nodes Improve castNode notation by introducing list-extraction-specific variants. 2017-04-10 13:51:29 -04:00
optimizer Fix mishandling of equivalence-class tests in parameterized plans. 2016-04-29 20:19:38 -04:00
parser pgindent run for 9.4 2014-05-06 12:12:18 -04:00
port Improve TranslateSocketError() to handle more Windows error codes. 2016-04-21 16:59:04 -04:00
portability pgindent run for 9.4 2014-05-06 12:12:18 -04:00
postmaster Avoid using PostmasterRandom() for DSM control segment ID. 2016-09-23 09:54:11 -04:00
regex Suppress compiler warnings about useless comparison of unsigned to zero. 2016-02-15 17:11:52 -05:00
replication Prevent possibility of panics during shutdown checkpoint. 2017-06-05 19:18:16 -07:00
rewrite pgindent run for 9.4 2014-05-06 12:12:18 -04:00
snowball pgindent run for 9.4 2014-05-06 12:12:18 -04:00
storage Prevent possibility of panics during shutdown checkpoint. 2017-06-05 19:18:16 -07:00
tcop Remove dead code and fix comments in fast-path function handling. 2017-04-06 09:11:22 +03:00
tsearch Allow opclasses to provide tri-valued GIN consistent functions. 2014-03-12 17:51:30 +02:00
utils Avoid searching for callback functions in CallSyscacheCallbacks(). 2017-05-12 19:05:30 -04:00
.gitignore Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
c.h Fix typos in comments. 2017-02-06 11:34:24 +02:00
fmgr.h Revert addition of PGDLLEXPORT in PG_FUNCTION_INFO_V1 macro. 2016-10-12 18:02:12 -04:00
funcapi.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
getaddrinfo.h Fix assorted issues in client host name lookup. 2014-04-02 17:11:24 -04:00
getopt_long.h Centralize getopt-related declarations in a new header file pg_getopt.h. 2014-02-15 14:31:30 -05:00
Makefile Remove maintainer-check target, fold into normal build 2013-10-10 20:11:56 -04:00
miscadmin.h Unify SIGHUP handling between normal and walsender backends. 2017-06-05 19:18:16 -07:00
pg_config.h.in Support OpenSSL 1.1.0 in 9.4 branch. 2017-04-15 20:16:03 -04:00
pg_config.h.win32 Stamp 9.4.12. 2017-05-08 17:19:04 -04:00
pg_config_ext.h.in Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_ext.h.win32 Autoconfiscate selection of 64-bit int type for 64-bit large object API. 2012-10-07 21:52:43 -04:00
pg_config_manual.h Further reduce the number of semaphores used under --disable-spinlocks. 2016-04-18 13:33:07 -04:00
pg_getopt.h Fix comment. 2014-05-08 12:42:56 -04:00
pg_trace.h Update copyright for 2014 2014-01-07 16:05:30 -05:00
pgstat.h Don't reset changes_since_analyze after a selective-columns ANALYZE. 2016-06-06 17:44:17 -04:00
pgtar.h Adopt the GNU convention for handling tar-archive members exceeding 8GB. 2015-11-21 20:22:39 -05:00
pgtime.h Support timezone abbreviations that sometimes change. 2014-10-16 15:22:13 -04:00
port.h Revert error-throwing wrappers for the printf family of functions. 2015-05-19 18:16:19 -04:00
postgres.h Adjust DatumGetBool macro, this time for sure. 2016-04-28 11:51:13 -04:00
postgres_ext.h pgindent run for 9.4 2014-05-06 12:12:18 -04:00
postgres_fe.h Update copyright for 2014 2014-01-07 16:05:30 -05:00
rusagestub.h Update copyright for 2014 2014-01-07 16:05:30 -05:00
windowapi.h Update copyright for 2014 2014-01-07 16:05:30 -05:00